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 · men's Unofficial
Rank 201
35.0 kg77.2 lb
Men · 120k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Justin venue · 159th of 275 men overall
Rank 202
35.0 kg77.2 lb
Men · 66k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Black River Falls venue · 198th of 275 men overall
Rank 203
35.0 kg77.2 lb
Men · 120k+, Youth 16-17
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Justin venue · 133rd of 275 men overall
Rank 204
34.91 kg77.0 lb
Men · 120k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pilot Butte venue · 205th of 275 men overall
Rank 205
34.91 kg77.0 lb
Men · 93k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pilot Butte venue · 197th of 275 men overall
Rank 206
34.91 kg77.0 lb
Men · 120k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pilot Butte venue · 128th of 275 men overall
Rank 207
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 208
33.95 kg74.8 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 202nd of 275 men overall
Rank 209
33.9 kg74.7 lb
Men · 83k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Fredrikstad venue · 199th of 275 men overall
Rank 210
33.79 kg74.5 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Manassas venue · 233rd of 275 men overall
Rank 211
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 212
33.6 kg74.1 lb
Men · 120k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Munich venue · 225th of 275 men overall
Rank 213
33.6 kg74.1 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Munich venue · 243rd of 275 men overall
Rank 214
33.52 kg73.9 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Vancouver venue · 218th of 275 men overall
Rank 215
33.4 kg73.6 lb
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pocatello venue · 256th of 275 men overall
Rank 216
33.2 kg73.2 lb
Men · 120k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Albuquerque venue · 138th of 275 men overall
Rank 217
33.1 kg73.0 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 240th of 275 men overall
Rank 218
32.92 kg72.6 lb
Men · 120k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boise venue · 239th of 275 men overall
Rank 219
32.9 kg72.5 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pocatello venue · 184th of 275 men overall
Rank 220
32.9 kg72.5 lb
Men · 120k+, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pocatello venue · 224th of 275 men overall
Rank 221
32.9 kg72.5 lb
Men · 120k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pocatello venue · 174th of 275 men overall
Rank 222
32.8 kg72.3 lb
Mike CorlettUSA
Men · 120k, Masters 65+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Thousand Oaks venue · 216th of 275 men overall
Rank 223
32.5 kg71.7 lb
Jari TurunenFinland
Men · 120k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Järvenpää venue · 185th of 275 men overall
Rank 224
32.45 kg71.5 lb
Men · Youth 16-17
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Arendal venue · Youth 16-17
Rank 225
32.0 kg70.5 lb
Men · 74k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Woodbury venue · 215th of 275 men overall
Rank 226
31.91 kg70.3 lb
Ben EdwardsUSA
Men · 93k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Lecompton venue · 234th of 275 men overall
Rank 227
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 228
31.9 kg70.3 lb
Erik EmondCanada
Men · 66k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 247th of 275 men overall
Rank 229
31.75 kg70.0 lb
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boulder venue · 219th of 275 men overall
Rank 230
31.5 kg69.4 lb
Men · 83k, Masters 65+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Redmond venue · 232nd of 275 men overall
Rank 231
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 232
31.28 kg69.0 lb
Men · 74k, Youth 16-17
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pilot Butte venue · 236th of 275 men overall
Rank 233
31.25 kg68.9 lb
Russ KeithUSA
Men · 66k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Black River Falls venue · 262nd of 275 men overall
Rank 234
31.05 kg68.5 lb
Men · 93k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Kent venue · 227th of 275 men overall
Rank 235
31.0 kg68.3 lb
Men · Youth 11-13
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Woodbury venue · Youth 11-13
Rank 236
30.65 kg67.6 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boise venue · 248th of 275 men overall
Rank 237
30.64 kg67.5 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Darwin venue · 213th of 275 men overall
Rank 238
30.4 kg67.0 lb
Men · 74k, Youth 14-15
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 241st of 275 men overall
Rank 239
30.4 kg67.0 lb
Logan BaillotCanada
Men · Youth 16-17
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · Youth 16-17
Rank 240
30.4 kg67.0 lb
Men · 120k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pocatello venue · 260th of 275 men overall
Rank 241
30.32 kg66.8 lb
Men · 93k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Troy venue · 238th of 275 men overall
Rank 242
30.2 kg66.6 lb
Andrew HodgeAustralia
Men · 120k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 214th of 275 men overall
Rank 243
30.2 kg66.6 lb
Men · 120k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 194th of 275 men overall
Rank 244
30.2 kg66.6 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 242nd of 275 men overall
Rank 245
30.16 kg66.5 lb
Dave FennerUSA
Men · 120k+, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Barre venue · 235th of 275 men overall
Rank 246
30.0 kg66.1 lb
Men · 93k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 209th of 275 men overall
Rank 247
30.0 kg66.1 lb
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Black River Falls venue · 250th of 275 men overall
Rank 248
30.0 kg66.1 lb
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Black River Falls venue · 257th of 275 men overall
Rank 249
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
Rank 250
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 251
29.12 kg64.2 lb
Men · 120k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Kingwood venue · 246th of 275 men overall
Rank 252
29.0 kg63.9 lb
Men · 83k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pilot Butte venue · 258th of 275 men overall
Rank 253
28.9 kg63.7 lb
Emil johannsen Saxegård (Lenja)
Men · 120k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Fredrikstad venue · 228th of 275 men overall
Rank 254
28.9 kg63.7 lb
Men · 93k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Fredrikstad venue · 255th of 275 men overall
Rank 255
28.9 kg63.7 lb
Men · 66k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Fredrikstad venue · 226th of 275 men overall
Rank 256
28.76 kg63.4 lb
Men · 59k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Manassas venue · 265th of 275 men overall
Rank 257
28.6 kg63.1 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Wyalusing venue · 245th of 275 men overall
Rank 258
28.14 kg62.0 lb
Men · 59k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Darwin venue · 268th of 275 men overall
Rank 259
28.1 kg61.9 lb
Men · 66k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Iisalmi venue · 237th of 275 men overall
Rank 260
28.0 kg61.7 lb
Men · 74k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Santiago venue · 251st of 275 men overall
Rank 261
27.7 kg61.1 lb
Men · 120k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 259th of 275 men overall
Rank 262
27.7 kg61.1 lb
Men · 93k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 270th of 275 men overall
Rank 263
27.55 kg60.7 lb
Men · Youth 14-15
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Kent venue · Youth 14-15
Rank 264
27.5 kg60.6 lb
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Santiago venue · 254th of 275 men overall
Rank 265
27.22 kg60.0 lb
Men · 120k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boulder venue · 229th of 275 men overall
Rank 266
26.72 kg58.9 lb
Men · 120k+, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pilot Butte venue · 253rd of 275 men overall
Rank 267
25.2 kg55.6 lb
James BurnsAustralia
Men · 93k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 274th of 275 men overall
Rank 268
25.0 kg55.1 lb
Men · 74k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Santiago venue · 261st of 275 men overall
Rank 269
24.4 kg53.8 lb
Casey LovellCanada
Men · 59k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 273rd of 275 men overall
Rank 270
24.0 kg52.9 lb
Men · 83k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Redmond venue · 269th of 275 men overall
Rank 271
24.0 kg52.9 lb
Men · 120k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Redmond venue · 264th of 275 men overall
Rank 272
23.9 kg52.7 lb
Men · 59k, Youth 16-17
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Fredrikstad venue · 266th of 275 men overall
Rank 273
23.9 kg52.7 lb
Men · 66k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Fredrikstad venue · 244th of 275 men overall
Rank 274
23.29 kg51.3 lb
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Troy venue · 263rd of 275 men overall
Rank 275
23.12 kg51.0 lb
Men · 120k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Darwin venue · 271st of 275 men overall
Rank 276
19.9 kg43.9 lb
Liam BluettCanada
Men · 59k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 267th of 275 men overall
Rank 277
18.14 kg40.0 lb
Men · 120k, Masters 50+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Darwin venue · 275th of 275 men overall
Rank 278
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
Rank 279
18.0 kg39.7 lb
Men · Youth 8-10
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Woodbury venue · Youth 8-10
Rank 280
16.36 kg36.1 lb
Men · Youth 11-13
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Bethesda venue · Youth 11-13
Rank 281
11.5 kg25.4 lb
Men · Youth 8-10
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boulder venue · Youth 8-10
Rank 282
8.9 kg19.6 lb
Men · Youth 7 and under
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Spokane venue · Youth 7 and under
Rank 283
5.2 kg11.5 lb
Men · Youth 7 and under
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Spokane venue · Youth 7 and under
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.