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
Rank 501
31.98 kg70.5 lb
Men · 74k
International King Kong Grip Challenge · Oct 25, 2025
Rank 502
31.91 kg70.3 lb
Men · 74k
International King Kong Grip Challenge · Oct 25, 2025
Rank 503
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 504
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 505
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 506
31.9 kg70.3 lb
Women · 57k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 21st of 63 women overall
Rank 507
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 508
31.9 kg70.3 lb
Women · 72k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Ottawa venue · 28th of 63 women overall
Rank 509
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 510
31.75 kg70.0 lb
Men · 83k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boulder venue · 219th of 275 men overall
Rank 511
31.55 kg69.6 lb
Women · 100k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Hyvinkää venue · 12th of 63 women overall
Rank 512
31.5 kg69.4 lb
Dean RedzicAustralia
Men · 120k
International King Kong Grip Challenge · Oct 25, 2025
Rank 513
31.5 kg69.4 lb
Men · 120k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 514
31.5 kg69.4 lb
Men · 120k
International King Kong Grip Challenge · Oct 25, 2025
Rank 515
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 516
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 517
31.35 kg69.1 lb
Marja LaariFinland
Women · 100k+, Masters 50-59
International King Kong Grip Challenge · Oct 25, 2025
Rank 518
31.35 kg69.1 lb
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
Rank 519
31.32 kg69.0 lb
Men · 120k
International King Kong Grip Challenge · Oct 25, 2025
Rank 520
31.3 kg69.0 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 521
31.28 kg69.0 lb
Men · 120k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 522
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 523
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 524
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 525
31.13 kg68.6 lb
Men · 105k
International King Kong Grip Challenge · Oct 25, 2025
Rank 526
31.1 kg68.6 lb
Andrew NguyenCanada
Men · 66k
International King Kong Grip Challenge · Oct 25, 2025
Rank 527
31.1 kg68.6 lb
Men · 105k
International King Kong Grip Challenge · Oct 25, 2025
Rank 528
31.1 kg68.6 lb
Sean HarrickeyCanada
Men · 93k
International King Kong Grip Challenge · Oct 25, 2025
Rank 529
31.05 kg68.5 lb
Men · 93k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Kent venue · 227th of 275 men overall
Rank 530
31.0 kg68.3 lb
Men · Youth 11-13
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Woodbury venue · Youth 11-13
Rank 531
30.65 kg67.6 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Boise venue · 248th of 275 men overall
Rank 532
30.64 kg67.5 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Darwin venue · 213th of 275 men overall
Rank 533
30.55 kg67.4 lb
Women · 100k
International King Kong Grip Challenge · Oct 25, 2025
Rank 534
30.44 kg67.1 lb
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
Rank 535
30.44 kg67.1 lb
Men · 105k
International King Kong Grip Challenge · Oct 25, 2025
Rank 536
30.44 kg67.1 lb
Men · 93k
International King Kong Grip Challenge · Oct 25, 2025
Rank 537
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 538
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 539
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 540
30.4 kg67.0 lb
Men · 120k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Pocatello venue · 260th of 275 men overall
Rank 541
30.32 kg66.8 lb
Men · 93k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Troy venue · 238th of 275 men overall
Rank 542
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 543
30.2 kg66.6 lb
Men · 120k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 194th of 275 men overall
Rank 544
30.2 kg66.6 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 242nd of 275 men overall
Rank 545
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 546
30.15 kg66.5 lb
Women · 72k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Calgary venue · 11th of 63 women overall
Rank 547
30.1 kg66.4 lb
Men · 83k
Ranking Chile Grip I · Apr 25, 2026
Rank 548
30.07 kg66.3 lb
Men · 74k
International King Kong Grip Challenge · Oct 25, 2025
Rank 549
30.07 kg66.3 lb
Men · 66k
International King Kong Grip Challenge · Oct 25, 2025
Rank 550
30.0 kg66.1 lb
Men · 120k+, Youth 16-17
International King Kong Grip Challenge · Oct 25, 2025
Rank 551
30.0 kg66.1 lb
Women · 100k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Burscough venue · 13th of 63 women overall
Rank 552
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 553
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 554
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 555
29.95 kg66.0 lb
Women · 100k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 556
29.95 kg66.0 lb
Men · 74k
International King Kong Grip Challenge · Oct 25, 2025
Rank 557
29.9 kg65.9 lb
Jose HernandezChile
Men · 93k
Doctores Grip Battle 2 · Sep 6, 2025
Rank 558
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 559
29.8 kg65.7 lb
Jari TaipaleFinland
Men · 66k
International King Kong Grip Challenge · Oct 25, 2025
Rank 560
29.71 kg65.5 lb
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
Rank 561
29.71 kg65.5 lb
Sanjiv GuptaUSA
Men · 105k, Masters 50-59
International King Kong Grip Challenge · Oct 25, 2025
Rank 562
29.6 kg65.3 lb
Adam WhitwillCanada
Men · 105k
International King Kong Grip Challenge · Oct 25, 2025
Rank 563
29.5 kg65.0 lb
Women · 100k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Redmond venue · 8th of 63 women overall
Rank 564
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 565
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 566
29.25 kg64.5 lb
Men · 105k, Youth 16-17
International King Kong Grip Challenge · Oct 25, 2025
Rank 567
29.15 kg64.3 lb
Men · 105k
International King Kong Grip Challenge · Oct 25, 2025
Rank 568
29.12 kg64.2 lb
Men · 120k+
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Kingwood venue · 246th of 275 men overall
Rank 569
29.1 kg64.2 lb
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
Rank 570
29.0 kg63.9 lb
Men · 120k
International King Kong Grip Challenge · Oct 25, 2025
Rank 571
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 572
28.95 kg63.8 lb
Men · 120k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 573
28.95 kg63.8 lb
Women · 100k
International King Kong Grip Challenge · Oct 25, 2025
Rank 574
28.95 kg63.8 lb
Men · 74k, Youth 16-17
International King Kong Grip Challenge · Oct 25, 2025
Rank 575
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 576
28.9 kg63.7 lb
Men · 93k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Fredrikstad venue · 255th of 275 men overall
Rank 577
28.9 kg63.7 lb
Men · 66k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Fredrikstad venue · 226th of 275 men overall
Rank 578
28.8 kg63.5 lb
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 579
28.76 kg63.4 lb
Men · 59k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Manassas venue · 265th of 275 men overall
Rank 580
28.7 kg63.3 lb
Women · 84k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Arendal venue · 20th of 63 women overall
Rank 581
28.65 kg63.2 lb
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 582
28.65 kg63.2 lb
Paul BloomEngland
Men · 59k
International King Kong Grip Challenge · Oct 25, 2025
Rank 583
28.6 kg63.1 lb
Men · 105k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Wyalusing venue · 245th of 275 men overall
Rank 584
28.14 kg62.0 lb
Men · 59k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Darwin venue · 268th of 275 men overall
Rank 585
28.1 kg61.9 lb
Corinne LalondeCanada
Women · 63k, Masters 60-69
International King Kong Grip Challenge · Oct 25, 2025
Rank 586
28.1 kg61.9 lb
Women · 52k
International King Kong Grip Challenge · Oct 25, 2025
Rank 587
28.1 kg61.9 lb
Men · 66k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Iisalmi venue · 237th of 275 men overall
Rank 588
28.0 kg61.7 lb
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 589
28.0 kg61.7 lb
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 590
28.0 kg61.7 lb
Men · 74k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Santiago venue · 251st of 275 men overall
Rank 591
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 592
27.9 kg61.5 lb
Marc McMahonUSA
Men · 120k+
International King Kong Grip Challenge · Oct 25, 2025
Rank 593
27.9 kg61.5 lb
Men · 83k
International King Kong Grip Challenge · Oct 25, 2025
Rank 594
27.7 kg61.1 lb
Men · 120k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 259th of 275 men overall
Rank 595
27.7 kg61.1 lb
Men · 93k
International King Kong Grip Challenge · Oct 24, 2026 · Unofficial · Canberra venue · 270th of 275 men overall
Rank 596
27.67 kg61.0 lb
Women · 100k
International King Kong Grip Challenge · Oct 25, 2025
Rank 597
27.65 kg61.0 lb
Women · 84k
International King Kong Grip Challenge · Oct 25, 2025
Rank 598
27.64 kg60.9 lb
Men · 83k, Youth 16-17
International King Kong Grip Challenge · Oct 25, 2025
Rank 599
27.6 kg60.8 lb
Women · 100k
International King Kong Grip Challenge · Oct 25, 2025
Rank 600
27.58 kg60.8 lb
Men · 105k
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.