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
All lifts · 105k Unofficial
Rank 1
61.58 kg135.8 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Wyalusing venue · 2nd of 275 men overall
Rank 2
59.0 kg130.1 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 10th of 275 men overall
Rank 3
55.0 kg121.3 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 23rd of 275 men overall
Rank 4
52.9 kg116.6 lb
Eric RoussinCanada
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 14th of 275 men overall
Rank 5
52.75 kg116.3 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Redmond venue · 51st of 275 men overall
Rank 6
52.5 kg115.7 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 44th of 275 men overall
Rank 7
52.3 kg115.3 lb
Christer HallertNorway
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Arendal venue · 16th of 275 men overall
Rank 8
50.8 kg112.0 lb
Andy MunseyUSA
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Spokane venue · 20th of 275 men overall
Rank 9
50.05 kg110.3 lb
Ville SuominenFinland
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Hyvinkää venue · 65th of 275 men overall
Rank 10
50.0 kg110.2 lb
Adam CohenUSA
Men · 105k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Woodbury venue · 27th of 275 men overall
Rank 11
50.0 kg110.2 lb
Juuso VarsellFinland
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Hyvinkää venue · 40th of 275 men overall
Rank 12
49.25 kg108.6 lb
Jarno HyväriFinland
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Luumaki venue · 35th of 275 men overall
Rank 13
49.1 kg108.2 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Albuquerque venue · 63rd of 275 men overall
Rank 14
48.8 kg107.6 lb
Scott DoddUSA
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Albuquerque venue · 81st of 275 men overall
Rank 15
48.7 kg107.4 lb
Thomas LarsenNorway
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Arendal venue · 25th of 275 men overall
Rank 16
48.4 kg106.7 lb
Charles ThibaultCanada
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 54th of 275 men overall
Rank 17
48.0 kg105.8 lb
Michael OwenUSA
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Woodbury venue · 90th of 275 men overall
Rank 18
47.6 kg104.9 lb
Jarkko ViitaniemiFinland
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Hyvinkää venue · 36th of 275 men overall
Rank 19
47.45 kg104.6 lb
Daniel Moy HelgesenNorway
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Arendal venue · 74th of 275 men overall
Rank 20
47.05 kg103.7 lb
Men · 105k, Youth 16-17
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Järvenpää venue · 92nd of 275 men overall
Rank 21
47.03 kg103.7 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Sumy venue · 62nd of 275 men overall
Rank 22
46.49 kg102.5 lb
Jack PalmerUSA
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Greenville venue · 78th of 275 men overall
Rank 23
45.9 kg101.2 lb
Cliff KienerUSA
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Bethesda venue · 38th of 275 men overall
Rank 24
45.9 kg101.2 lb
Joseph HodgsonAustralia
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Sydney venue · 41st of 275 men overall
Rank 25
44.09 kg97.2 lb
Alan JohnsonUSA
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boulder venue · 108th of 275 men overall
Rank 26
43.78 kg96.5 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pilot Butte venue · 124th of 275 men overall
Rank 27
43.1 kg95.0 lb
Joni NojonenFinland
Men · 105k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Iisalmi venue · 102nd of 275 men overall
Rank 28
43.1 kg95.0 lb
Niko JunnilainenFinland
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Iisalmi venue · 87th of 275 men overall
Rank 29
42.4 kg93.5 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 145th of 275 men overall
Rank 30
41.85 kg92.3 lb
Men · 105k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 130th of 275 men overall
Rank 31
41.25 kg90.9 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Redmond venue · 116th of 275 men overall
Rank 32
40.5 kg89.3 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Hamburg venue · 104th of 275 men overall
Rank 33
40.0 kg88.2 lb
Manuel RebolledoChile
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Santiago venue · 163rd of 275 men overall
Rank 34
39.9 kg88.0 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Fredrikstad venue · 134th of 275 men overall
Rank 35
39.8 kg87.7 lb
Jesse KallioFinland
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Hyvinkää venue · 153rd of 275 men overall
Rank 36
38.56 kg85.0 lb
Joe LarsenUSA
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boulder venue · 187th of 275 men overall
Rank 37
38.33 kg84.5 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Manassas venue · 201st of 275 men overall
Rank 38
37.9 kg83.6 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Fredrikstad venue · 115th of 275 men overall
Rank 39
37.35 kg82.3 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Thousand Oaks venue · 189th of 275 men overall
Rank 40
35.6 kg78.5 lb
Anssi LaukkanenFinland
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Iisalmi venue · 212th of 275 men overall
Rank 41
35.05 kg77.3 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Luumaki venue · 211th of 275 men overall
Rank 42
35.0 kg77.2 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Justin venue · 162nd of 275 men overall
Rank 43
34.2 kg75.4 lb
Walt EdelenUSA
Men · 105k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Spokane venue · 210th of 275 men overall
Rank 44
33.95 kg74.8 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 202nd of 275 men overall
Rank 45
33.79 kg74.5 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Manassas venue · 233rd of 275 men overall
Rank 46
33.78 kg74.5 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pilot Butte venue · 222nd of 275 men overall
Rank 47
33.6 kg74.1 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Munich venue · 243rd of 275 men overall
Rank 48
33.52 kg73.9 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Vancouver venue · 218th of 275 men overall
Rank 49
33.1 kg73.0 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 240th of 275 men overall
Rank 50
32.9 kg72.5 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pocatello venue · 184th of 275 men overall
Rank 51
31.9 kg70.3 lb
Adam WhitwillCanada
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 223rd of 275 men overall
Rank 52
31.4 kg69.2 lb
Men · 105k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Calgary venue · 249th of 275 men overall
Rank 53
30.65 kg67.6 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boise venue · 248th of 275 men overall
Rank 54
30.64 kg67.5 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Darwin venue · 213th of 275 men overall
Rank 55
30.2 kg66.6 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 242nd of 275 men overall
Rank 56
29.48 kg65.0 lb
Sanjiv GuptaUSA
Men · 105k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boulder venue · 252nd of 275 men overall
Rank 57
28.6 kg63.1 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Wyalusing venue · 245th of 275 men overall
Rank 58
18.1 kg39.9 lb
Men · 105k, Masters 65+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Albuquerque venue · 272nd of 275 men overall
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.