Pinch · every record book

Thumb Blaster 1 5/8"

Every record and contest lift for the Thumb Blaster 1 5/8" from every body we track, side by side. Each entry carries its owner's badge and a footnote to the owner's own records.

Records from: GSIUnofficial

Contests: 5; 46 counting each venue
Athletes: 602
Lifts: 784
First contested: Sep 6, 2025
Last contested: Oct 24, 2026

A contest held at several venues on one day counts once. A record that repeats a contest lift counts as one lift.

Top lifts

Each athlete's best lift, any class or division, across every source.

Men

1stUnofficial
67.7 kg149.3 lb
Ross Boyle
120k+ · England
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 3rd of 275 men overall
2ndUnofficial
64.75 kg142.7 lb
Harri Tolonen
120k · Finland
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Hyvinkää venue · 7th of 275 men overall
3rdUnofficial
63.4 kg139.8 lb
Andy Gagnon
120k+ · Canada
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 1st of 275 men overall (King Kong of Grip)

Women

1stGSI
38.8 kg85.5 lb
Emma Hunt
84k · England
International King Kong Grip Challenge · 2025
2ndGSI
38.65 kg85.2 lb
Sarah Chappelow
100k+ · USA
International King Kong Grip Challenge · Oct 25, 2025
3rdUnofficial
37.3 kg82.2 lb
Jenn Tibbenham
100k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Kent venue · 1st of 63 women overall (Queen Kong of Grip)

Contest history

Every contest that featured the Thumb Blaster 1 5/8", newest first, with how many athletes lifted it and who won.

ContestDateAthletesMen's winnerWomen's winner

International King Kong Grip ChallengeUnofficial
42 venues
Ottawa, Wyalusing, Burscough, Coram, Hyvinkää, Justin, Luumaki, New Castle, Sydney, Arendal, Woodbury, Fredrikstad, Spokane, Black River Falls, Fredericton, Munich, Hamburg, Sumy, Troy, Bethesda, Greenville, Pilot Butte, Pocatello, Redmond, Kent, Iisalmi, Albuquerque, Thousand Oaks, Manassas, Fresno, Barre, Järvenpää, Lecompton, Boulder, Canberra, Calgary, Santiago, Kingwood, Darwin, Vancouver, Boise, Örebro
Oct 24, 2026 · 358 athletes
358
Men 67.7 kg149.3 lb Ross Boyle
Women 37.5 kg82.7 lb Emma Hunt
Ranking Chile Grip IGSI
Apr 25, 2026 · 10 athletes
10
Men 38.1 kg84.0 lb Sergio Aguayo
Women 15.6 kg34.4 lb Valentina Torres
Atlas Grip GamesGSI
Feb 7, 2026 · 21 athletes
21
Men 60.0 kg132.3 lb Saku Korhonen
Women 31.25 kg68.9 lb Marja Laari
International King Kong Grip ChallengeGSI
Oct 25, 2025 · 386 athletes
386
Men 64.0 kg141.1 lb Ross Boyle
Women 38.8 kg85.5 lb Emma Hunt
Doctores Grip Battle 2GSI
Sep 6, 2025 · 9 athletes
9
Men 39.9 kg88.0 lb Daniel Iglesias
Women 20.4 kg45.0 lb Valentina Bravo

Records

Grip Sport International

GSI2 recordsGSI event page →

Men · All-time · 120k+
64.0 kg141.1 lb
Ross Boyle · England
International King Kong Grip Challenge · 2025GSI^[1]
Women · All-time · 84k
38.8 kg85.5 lb
Emma Hunt · England
International King Kong Grip Challenge · 2025GSI^[1]

Best by weight class

The heaviest open-division lift in each class across every source. Each body uses its own class limits, so classes are shown as that body writes them. Pick a class to see its full ranking.

Top lifts · 83k

SourceAll sources GSI Unofficial

TypeAll Records Top lifts

GenderAll Men Women

ClassAll 47k 52k 57k 59k 63k 66k 72k 74k 83k 84k 84k+93k 100k 100k+105k 120k 120k+

DivisionOpen + all Masters 50-59 Masters 50+Masters 60-69 Masters 65+Masters 70-79 Youth 7 and under Youth 8-10 Youth 10 and Under Youth 11-13 Youth 14-15 Youth 16-17

ShowBest per athlete Every lift

Units

ResultAthleteClassContestOwner

Rank 1
53.1 kg117.1 lb
Luca ZehntnerGermany
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Munich venue · 26th of 275 men overall
Unofficial^[2]
Rank 2
51.43 kg113.4 lb
Jacob HiltonUSA
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Greenville venue · 113th of 275 men overall
Unofficial^[2]
Rank 3
50.2 kg110.7 lb
Luca ZehntnerGermany
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 4
50.2 kg110.7 lb
Samuel PoyryFinland
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 5
50.0 kg110.2 lb
David Gudmundsson
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 22nd of 275 men overall
Unofficial^[2]
Rank 6
49.99 kg110.2 lb
Chris Musselman
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Manassas venue · 70th of 275 men overall
Unofficial^[2]
Rank 7
48.4 kg106.7 lb
Alex de ZorziCanada
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 76th of 275 men overall
Unofficial^[2]
Rank 8
48.4 kg106.7 lb
Isaac PittAustralia
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Sydney venue · 15th of 275 men overall
Unofficial^[2]
Rank 9
47.8 kg105.4 lb
William ReedUSA
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Thousand Oaks venue · 66th of 275 men overall
Unofficial^[2]
Rank 10
47.15 kg103.9 lb
Steve MillardUSA
Men · 83k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · New Castle venue · 59th of 275 men overall
Unofficial^[2]
Rank 11
47.05 kg103.7 lb
Roman YanushevBulgaria
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Hamburg venue · 55th of 275 men overall
Unofficial^[2]
Rank 12
46.9 kg103.4 lb
Cedric Dagenais
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 45th of 275 men overall
Unofficial^[2]
Rank 13
46.35 kg102.2 lb
Karl Atkins
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 91st of 275 men overall
Unofficial^[2]
Rank 14
46.25 kg102.0 lb
Harley FullerEngland
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 15
46.2 kg101.9 lb
Eirik Hallert
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Arendal venue · 89th of 275 men overall
Unofficial^[2]
Rank 16
45.81 kg101.0 lb
Jacob HiltonUSA
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 17
45.65 kg100.6 lb
Isaac PittAustralia
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 18
45.6 kg100.5 lb
Tuomas KouvalaFinland
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Iisalmi venue · 84th of 275 men overall
Unofficial^[2]
Rank 19
45.5 kg100.3 lb
Chris RibichUSA
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 20
45.4 kg100.1 lb
Shawn RancourtCanada
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 73rd of 275 men overall
Unofficial^[2]
Rank 21
45.36 kg100.0 lb
Sean PalmerUSA
Men · 83k, Youth 16-17
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Greenville venue · 122nd of 275 men overall
Unofficial^[2]
Rank 22
45.05 kg99.3 lb
Johannes LampinenFinland
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 23
45.0 kg99.2 lb
Antti MäntyläFinland
Men · 83k
Atlas Grip Games · Feb 7, 2026
GSI^[1]
Rank 24
45.0 kg99.2 lb
Qais BazazCanada
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 67th of 275 men overall
Unofficial^[2]
Rank 25
43.9 kg96.8 lb
Marc ChiarelliCanada
Men · 83k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 114th of 275 men overall
Unofficial^[2]
Rank 26
43.8 kg96.6 lb
Ryan HillEngland
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 27
43.09 kg95.0 lb
Gavin OsteenUSA
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Greenville venue · 170th of 275 men overall
Unofficial^[2]
Rank 28
43.0 kg94.8 lb
Martin ZhangAustralia
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Sydney venue · 58th of 275 men overall
Unofficial^[2]
Rank 29
42.7 kg94.1 lb
Jayden Odmialowski
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 110th of 275 men overall
Unofficial^[2]
Rank 30
42.55 kg93.8 lb
Karl Atkins
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 31
42.4 kg93.5 lb
Gabriel Bastien-BeaudetCanada
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 98th of 275 men overall
Unofficial^[2]
Rank 32
42.17 kg93.0 lb
Dernovoi Luka
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Sumy venue · 173rd of 275 men overall
Unofficial^[2]
Rank 33
42.15 kg92.9 lb
Eirik Hallert
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 34
41.85 kg92.3 lb
Silver Sormus
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 35
41.85 kg92.3 lb
Niko LaasonenFinland
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Iisalmi venue · 182nd of 275 men overall
Unofficial^[2]
Rank 36
41.5 kg91.5 lb
Kevin LoboUSA
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Coram venue · 158th of 275 men overall
Unofficial^[2]
Rank 37
41.36 kg91.2 lb
Chris RibichUSA
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Bethesda venue · 106th of 275 men overall
Unofficial^[2]
Rank 38
41.36 kg91.2 lb
Hunter DeardurffUSA
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Bethesda venue · 123rd of 275 men overall
Unofficial^[2]
Rank 39
41.3 kg91.1 lb
Scott Wadsworth
Men · 83k, Masters 50-59
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 40
41.05 kg90.5 lb
Tommi HietamiesFinland
Men · 83k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Luumaki venue · 165th of 275 men overall
Unofficial^[2]
Rank 41
41.0 kg90.4 lb
Jere Vihavainen
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Luumaki venue · 126th of 275 men overall
Unofficial^[2]
Rank 42
40.9 kg90.2 lb
Stefano FortugnoCanada
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 157th of 275 men overall
Unofficial^[2]
Rank 43
40.15 kg88.5 lb
Steven NuttgensCanada
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Calgary venue · 129th of 275 men overall
Unofficial^[2]
Rank 44
40.1 kg88.4 lb
Marc ChiarelliCanada
Men · 83k, Masters 60-69
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 45
40.0 kg88.2 lb
Adam Desalvo
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Albuquerque venue · 156th of 275 men overall
Unofficial^[2]
Rank 46
39.09 kg86.2 lb
Kyle GloriusUSA
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Bethesda venue · 175th of 275 men overall
Unofficial^[2]
Rank 47
39.01 kg86.0 lb
Andrew Tracy
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 48
39.01 kg86.0 lb
Sean PalmerUSA
Men · 83k, Youth 16-17
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 49
39.0 kg86.0 lb
Jayden OsmialowskiAustralia
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 50
38.75 kg85.4 lb
Thomas Wassengen
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 51
38.7 kg85.3 lb
Thomas Wassengen
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Arendal venue · 96th of 275 men overall
Unofficial^[2]
Rank 52
38.6 kg85.1 lb
Cameron McFarlaneCanada
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 53
38.46 kg84.8 lb
Curt CenciUSA
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boulder venue · 176th of 275 men overall
Unofficial^[2]
Rank 54
37.9 kg83.6 lb
Patrick LandriaultCanada
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 172nd of 275 men overall
Unofficial^[2]
Rank 55
37.8 kg83.3 lb
Adam Desalvo
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 56
37.63 kg83.0 lb
Ripchanskiy Maksim
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 57
37.5 kg82.7 lb
Hannu-Heikki RuotsalainenFinland
Men · 83k
Atlas Grip Games · Feb 7, 2026
GSI^[1]
Rank 58
37.5 kg82.7 lb
Niko LaasonenFinland
Men · 83k
Atlas Grip Games · Feb 7, 2026
GSI^[1]
Rank 59
37.1 kg81.8 lb
Stefano FortugnoCanada
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 60
37.04 kg81.7 lb
Barthel Marchner
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 61
36.3 kg80.0 lb
Pablo Landerretche
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 62
36.1 kg79.6 lb
Andrew KeroUSA
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Wyalusing venue · 140th of 275 men overall
Unofficial^[2]
Rank 63
35.9 kg79.1 lb
Vetle Killi
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Fredrikstad venue · 200th of 275 men overall
Unofficial^[2]
Rank 64
35.15 kg77.5 lb
Liam Pietrzyk-CookCanada
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Calgary venue · 221st of 275 men overall
Unofficial^[2]
Rank 65
35.0 kg77.2 lb
Danno Peterson
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Woodbury venue · 181st of 275 men overall
Unofficial^[2]
Rank 66
34.1 kg75.2 lb
Teddy BrescacinCanada
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 67
33.97 kg74.9 lb
Justin DuDaskoUSA
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 68
33.9 kg74.7 lb
Martin Andreassen
Men · 83k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Fredrikstad venue · 199th of 275 men overall
Unofficial^[2]
Rank 69
33.4 kg73.6 lb
Paul Smith
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pocatello venue · 256th of 275 men overall
Unofficial^[2]
Rank 70
32.65 kg72.0 lb
Joseph King
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 71
32.2 kg71.0 lb
Eric Seager
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 72
32.0 kg70.5 lb
Kevin Maassen
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 73
31.75 kg70.0 lb
Lewis SchillingUSA
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boulder venue · 219th of 275 men overall
Unofficial^[2]
Rank 74
31.5 kg69.4 lb
Chuck McFarland
Men · 83k, Masters 65+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Redmond venue · 232nd of 275 men overall
Unofficial^[2]
Rank 75
31.35 kg69.1 lb
Paul Smith
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 76
30.44 kg67.1 lb
Alex Burakov
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 77
30.1 kg66.4 lb
Diego Dobbs
Men · 83k
Ranking Chile Grip I · Apr 25, 2026
GSI^[1]
Rank 78
30.0 kg66.1 lb
Mason Castelvecci
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Black River Falls venue · 250th of 275 men overall
Unofficial^[2]
Rank 79
30.0 kg66.1 lb
Will Liebhert
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Black River Falls venue · 257th of 275 men overall
Unofficial^[2]
Rank 80
29.9 kg65.9 lb
Jeff deMolitorCanada
Men · 83k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Fredericton venue · 230th of 275 men overall
Unofficial^[2]
Rank 81
29.71 kg65.5 lb
Lewis SchillingUSA
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 82
29.1 kg64.2 lb
Basti Hammerl
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 83
29.0 kg63.9 lb
Ed Carlson
Men · 83k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pilot Butte venue · 258th of 275 men overall
Unofficial^[2]
Rank 84
27.9 kg61.5 lb
Owen Butler
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 85
27.64 kg60.9 lb
Ace Gustin
Men · 83k, Youth 16-17
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 86
27.5 kg60.6 lb
Martin Bittner
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Santiago venue · 254th of 275 men overall
Unofficial^[2]
Rank 87
25.65 kg56.5 lb
Andrew SmithEngland
Men · 83k, Masters 60-69
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 88
25.1 kg55.3 lb
Iván Figari
Men · 83k
Ranking Chile Grip I · Apr 25, 2026
GSI^[1]
Rank 89
24.9 kg54.9 lb
Miguel Veloso
Men · 83k
Doctores Grip Battle 2 · Sep 6, 2025
GSI^[1]
Rank 90
24.0 kg52.9 lb
Chad McFarland
Men · 83k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Redmond venue · 269th of 275 men overall
Unofficial^[2]
Rank 91
23.3 kg51.4 lb
Austin Fortugno
Men · 83k, Youth 11-13
International King Kong Grip Challenge · Oct 25, 2025
GSI^[1]
Rank 92
23.29 kg51.3 lb
Tyler Petrillo
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Troy venue · 263rd of 275 men overall
Unofficial^[2]

Each athlete ranked by their best lift for the filters chosen, across every source (heaviest, longest hold or most reps first). A lift a body lists as both a record and a contest result is shown once, as the record. An athlete listed by two bodies appears once per body.^[1]^[2]

All implements →Search the records board for Thumb Blaster 1 5/8" →

Sources

[1]Source: Grip Sport International records database (Grip Sport International), synced October 26, 2026. Records and rankings belong to GSI; corrections belong with them.
[2]Source: results posted by the contest organiser on the GripBoard; unofficial until GSI publishes them (Posted contest results (unofficial)), synced October 25, 2026. Records and rankings belong to the contest organiser until GSI publishes them; corrections belong with them.

How records work

Records are set under a sanctioning body's rules — set, judging, and equipment all matter. A lift in your garage counts for you; a lift on the platform counts for the books. Each entry here is owned by the body that published it, shown by its badge and footnote.

Sanctioning bodies →

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