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
120k+ · England
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 3rd of 275 men overall
2ndUnofficial
64.75 kg142.7 lb
120k · Finland
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Hyvinkää venue · 7th of 275 men overall
3rdUnofficial
63.4 kg139.8 lb
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
84k · England
2ndGSI
38.65 kg85.2 lb
100k+ · USA
International King Kong Grip Challenge · Oct 25, 2025
3rdUnofficial
37.3 kg82.2 lb
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.
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
Men 67.7 kg149.3 lb Ross Boyle
Women 37.5 kg82.7 lb Emma Hunt
Apr 25, 2026 · 10 athletes
Men 38.1 kg84.0 lb Sergio Aguayo
Women 15.6 kg34.4 lb Valentina Torres
Feb 7, 2026 · 21 athletes
Men 60.0 kg132.3 lb Saku Korhonen
Women 31.25 kg68.9 lb Marja Laari
Oct 25, 2025 · 386 athletes
Men 64.0 kg141.1 lb Ross Boyle
Women 38.8 kg85.5 lb Emma Hunt
Sep 6, 2025 · 9 athletes
Men 39.9 kg88.0 lb Daniel Iglesias
Women 20.4 kg45.0 lb Valentina Bravo
Records
Men · All-time · 120k+
64.0 kg141.1 lb
Ross Boyle · England
Women · All-time · 84k
38.8 kg85.5 lb
Emma Hunt · England
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.
Men · 59k
41.65 kg91.8 lb
Jesse Hagedorn
UnofficialUSA · 2026
Men · 66k
46.35 kg102.2 lb
Chris De Stefano
UnofficialEngland · 2026
Men · 74k
51.27 kg113.0 lb
Clint Ziegler
GSIUSA · 2025
Men · 83k
53.1 kg117.1 lb
Luca Zehntner
UnofficialGermany · 2026
Men · 93k
60.0 kg132.3 lb
Saku Korhonen
GSIFinland · 2026
Men · 105k
61.58 kg135.8 lb
Luke Raymond
Unofficial2026
Men · 120k
64.75 kg142.7 lb
Harri Tolonen
UnofficialFinland · 2026
Men · 120k+
67.7 kg149.3 lb
Ross Boyle
UnofficialEngland · 2026
Women · 52k
28.1 kg61.9 lb
Emina Alic
GSI2025
Women · 57k
31.9 kg70.3 lb
Emina Alic
Unofficial2026
Women · 63k
33.85 kg74.6 lb
Tammy McClure
GSIUSA · 2025
Women · 72k
34.62 kg76.3 lb
Tammy McClure
UnofficialUSA · 2026
Women · 84k
38.8 kg85.5 lb
Emma Hunt
GSIEngland · 2025
Women · 100k
32.55 kg71.8 lb
Heather MacDowall
GSI2025
Women · 100k+
38.65 kg85.2 lb
Sarah Chappelow
GSIUSA · 2025
Top lifts · women's
Rank 1
38.8 kg85.5 lb
Emma HuntEngland
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 2
38.65 kg85.2 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 3
37.5 kg82.7 lb
Emma HuntEngland
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 2nd of 63 women overall
Rank 4
37.3 kg82.2 lb
Women · 100k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Kent venue · 1st of 63 women overall (Queen Kong of Grip)
Rank 5
36.5 kg80.5 lb
Megan GalvinAustralia
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 6
36.5 kg80.5 lb
Megan GalvinAustralia
Women · 100k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 3rd of 63 women overall
Rank 7
35.9 kg79.1 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 8
34.62 kg76.3 lb
Amy WattlesUSA
Women · 100k+, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boise venue · 5th of 63 women overall
Rank 9
34.62 kg76.3 lb
Women · 72k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boise venue · 4th of 63 women overall
Rank 10
33.85 kg74.6 lb
Women · 63k
International King Kong Grip Challenge · Oct 25, 2025
Rank 11
33.4 kg73.6 lb
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 9th of 63 women overall
Rank 12
32.6 kg71.9 lb
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Luumaki venue · 14th of 63 women overall
Rank 13
32.55 kg71.8 lb
Women · 100k
International King Kong Grip Challenge · Oct 25, 2025
Rank 14
32.3 kg71.2 lb
Women · 72k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Spokane venue · 10th of 63 women overall
Rank 15
32.0 kg70.5 lb
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Redmond venue · 7th of 63 women overall
Rank 16
31.9 kg70.3 lb
Corinne LalondeCanada
Women · 63k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 6th of 63 women overall
Rank 17
31.9 kg70.3 lb
Women · 57k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 21st of 63 women overall
Rank 18
31.9 kg70.3 lb
Women · 72k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 28th of 63 women overall
Rank 19
31.8 kg70.1 lb
Women · 100k+, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Barre venue · 27th of 63 women overall
Rank 20
31.55 kg69.6 lb
Women · 100k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Hyvinkää venue · 12th of 63 women overall
Rank 21
31.35 kg69.1 lb
Marja LaariFinland
Women · 100k+, Masters 50-59
International King Kong Grip Challenge · Oct 25, 2025
Rank 22
31.3 kg69.0 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 23
31.28 kg69.0 lb
Women · 100k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pilot Butte venue · 16th of 63 women overall
Rank 24
30.55 kg67.4 lb
Women · 100k
International King Kong Grip Challenge · Oct 25, 2025
Rank 25
30.4 kg67.0 lb
Women · 100k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 24th of 63 women overall
Rank 26
30.15 kg66.5 lb
Women · 72k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Calgary venue · 11th of 63 women overall
Rank 27
30.0 kg66.1 lb
Women · 100k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 13th of 63 women overall
Rank 28
29.95 kg66.0 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 29
29.5 kg65.0 lb
Women · 100k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Redmond venue · 8th of 63 women overall
Rank 30
29.3 kg64.6 lb
Women · 100k+, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Barre venue · 17th of 63 women overall
Rank 31
28.95 kg63.8 lb
Women · 100k
International King Kong Grip Challenge · Oct 25, 2025
Rank 32
28.8 kg63.5 lb
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 33
28.7 kg63.3 lb
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Arendal venue · 20th of 63 women overall
Rank 34
28.65 kg63.2 lb
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 35
28.1 kg61.9 lb
Corinne LalondeCanada
Women · 63k, Masters 60-69
International King Kong Grip Challenge · Oct 25, 2025
Rank 36
28.1 kg61.9 lb
Women · 52k
International King Kong Grip Challenge · Oct 25, 2025
Rank 37
28.0 kg61.7 lb
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 38
28.0 kg61.7 lb
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 39
27.92 kg61.6 lb
Women · 72k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pilot Butte venue · 19th of 63 women overall
Rank 40
27.67 kg61.0 lb
Women · 100k
International King Kong Grip Challenge · Oct 25, 2025
Rank 41
27.65 kg61.0 lb
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 42
27.6 kg60.8 lb
Women · 100k
International King Kong Grip Challenge · Oct 25, 2025
Rank 43
27.55 kg60.7 lb
Women · 100k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Kent venue · 22nd of 63 women overall
Rank 44
27.22 kg60.0 lb
Women · 100k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boulder venue · 15th of 63 women overall
Rank 45
26.9 kg59.3 lb
Women · 100k+, Masters 50-59
International King Kong Grip Challenge · Oct 25, 2025
Rank 46
26.6 kg58.6 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 47
26.52 kg58.5 lb
Women · 72k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Örebro venue · 29th of 63 women overall
Rank 48
26.5 kg58.4 lb
Women · Youth 16-17
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Spokane venue · Youth 16-17
Rank 49
26.3 kg58.0 lb
Women · 84k+, Youth 14-15
International King Kong Grip Challenge · Oct 25, 2025
Rank 50
26.3 kg58.0 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 51
26.09 kg57.5 lb
Women · 72k
International King Kong Grip Challenge · Oct 25, 2025
Rank 52
25.95 kg57.2 lb
Women · 72k
International King Kong Grip Challenge · Oct 25, 2025
Rank 53
25.9 kg57.1 lb
Women · 84k+, Youth 16-17
International King Kong Grip Challenge · Oct 25, 2025
Rank 54
25.9 kg57.1 lb
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Barre venue · 39th of 63 women overall
Rank 55
25.9 kg57.1 lb
Women · 100k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Barre venue · 23rd of 63 women overall
Rank 56
25.8 kg56.9 lb
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boise venue · 32nd of 63 women overall
Rank 57
25.71 kg56.7 lb
Women · 100k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Kingwood venue · 33rd of 63 women overall
Rank 58
25.6 kg56.4 lb
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Luumaki venue · 30th of 63 women overall
Rank 59
25.5 kg56.2 lb
Women · 100k, Masters 50-59
International King Kong Grip Challenge · Oct 25, 2025
Rank 60
25.45 kg56.1 lb
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Bethesda venue · 35th of 63 women overall
Rank 61
25.45 kg56.1 lb
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Bethesda venue · 18th of 63 women overall
Rank 62
25.4 kg56.0 lb
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 63
25.15 kg55.4 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 64
25.1 kg55.3 lb
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Albuquerque venue · 49th of 63 women overall
Rank 65
25.0 kg55.1 lb
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 66
25.0 kg55.1 lb
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Black River Falls venue · 25th of 63 women overall
Rank 67
24.9 kg54.9 lb
Women · 57k
International King Kong Grip Challenge · Oct 25, 2025
Rank 68
24.6 kg54.2 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 69
24.6 kg54.2 lb
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 70
24.6 kg54.2 lb
Women · 72k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Spokane venue · 36th of 63 women overall
Rank 71
24.54 kg54.1 lb
Women · 72k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pilot Butte venue · 42nd of 63 women overall
Rank 72
24.49 kg54.0 lb
Women · 100k
International King Kong Grip Challenge · Oct 25, 2025
Rank 73
24.4 kg53.8 lb
Rachel HartviksenCanada
Women · 57k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 38th of 63 women overall
Rank 74
24.25 kg53.5 lb
Women · 63k
International King Kong Grip Challenge · Oct 25, 2025
Rank 75
23.72 kg52.3 lb
Women · 72k
International King Kong Grip Challenge · Oct 25, 2025
Rank 76
23.5 kg51.8 lb
Women · 100k, Masters 50-59
International King Kong Grip Challenge · Oct 25, 2025
Rank 77
23.46 kg51.7 lb
Women · 100k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pilot Butte venue · 31st of 63 women overall
Rank 78
23.29 kg51.3 lb
Women · 72k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Troy venue · 56th of 63 women overall
Rank 79
23.13 kg51.0 lb
Women · 72k
International King Kong Grip Challenge · Oct 25, 2025
Rank 80
23.1 kg50.9 lb
Women · 100k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Iisalmi venue · 43rd of 63 women overall
Rank 81
23.0 kg50.7 lb
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Spokane venue · 46th of 63 women overall
Rank 82
22.9 kg50.5 lb
Women · 57k
International King Kong Grip Challenge · Oct 25, 2025
Rank 83
22.77 kg50.2 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 84
22.7 kg50.0 lb
Women · 72k
International King Kong Grip Challenge · Oct 25, 2025
Rank 85
22.66 kg50.0 lb
Women · 100k, Masters 50-59
International King Kong Grip Challenge · Oct 25, 2025
Rank 86
22.65 kg49.9 lb
Women · 100k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Calgary venue · 37th of 63 women overall
Rank 87
22.65 kg49.9 lb
Women · 100k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Calgary venue · 45th of 63 women overall
Rank 88
22.5 kg49.6 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 89
22.1 kg48.7 lb
Women · 72k, Youth 11-13
International King Kong Grip Challenge · Oct 25, 2025
Rank 90
22.01 kg48.5 lb
Women · 57k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Sumy venue · 44th of 63 women overall
Rank 91
22.0 kg48.5 lb
Women · 72k
International King Kong Grip Challenge · Oct 25, 2025
Rank 92
21.95 kg48.4 lb
Women · 100k
International King Kong Grip Challenge · Oct 25, 2025
Rank 93
21.61 kg47.6 lb
Women · 57k, Masters 50-59
International King Kong Grip Challenge · Oct 25, 2025
Rank 94
21.45 kg47.3 lb
Women · 100k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 47th of 63 women overall
Rank 95
21.4 kg47.2 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 96
21.03 kg46.4 lb
Women · 72k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Sumy venue · 41st of 63 women overall
Rank 97
21.0 kg46.3 lb
Women · 84k+, Youth 11-13
International King Kong Grip Challenge · Oct 25, 2025
Rank 98
21.0 kg46.3 lb
Women · 63k
International King Kong Grip Challenge · Oct 25, 2025
Rank 99
20.95 kg46.2 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 100
20.8 kg45.9 lb
Valentina BravoChile
Women · 52k
International King Kong Grip Challenge · Oct 25, 2025
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 →Chasing a mark?
Records are set at sanctioned contests. Once a meet's results are posted to the owning body's database, new marks show up here at the next sync. Spot an error? Let us know.