Hiroko Arai
Vital Statistics
Hiroko Arai is a Japan powerlifter with a best competition total of 358.0 kg and a best DOTS of 445.79.
- Best total
- 358 kg
- Best DOTS
- 445.79
- Competition context
- 52 kg class, IPF, Single-ply
- Meet count
- 21 sanctioned meets
- Records held
- 1
Career Details
Personal Records
| Lift | Weight | Bodyweight | Meet | Date | Weight Class |
|---|---|---|---|---|---|
| Squat | 115 kg | 50.4 kg | World Masters Powerlifting Championships | 2010-09-27 | 52 |
| Bench Press | 110.5 kg | 50.4 kg | World Masters Powerlifting Championships | 2010-09-27 | 52 |
| Deadlift | 135 kg | 50.3 kg | Asian Powerlifting Championships | 2011-12-05 | 52 |
| Total | 358 kg | 50.4 kg | World Masters Powerlifting Championships | 2010-09-27 | 52 |
PR Progression
Career best lifts over time from competition data
| Date | Meet | Squat | Bench | Deadlift | Total |
|---|---|---|---|---|---|
| 2008-04-16 | World Masters Bench Press Championships | - | 95 kg | - | 95 kg |
| 2010-09-27 | World Masters Powerlifting Championships | 115 kg | 110.5 kg | 132.5 kg | 358 kg |
Hiroko Arai's best total of 358kg places her above the 97th percentile of all 47kg Raw lifters ever recorded (8,620 entries).
Competition History
22 entries| Details | Date | Meet | Federation | Class | BW | Squat | Bench | Deadlift | Total | DOTS | Place |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024-11-02 | 3rd Japan Grand Prix | JPA | 47 | 46.4 kg | - | 80 kg | - | 80 kg | 105.9 | 1 | |
| 2023-09-12 | Asian Bench Press Championships | AsianPF | 47 | 46.6 kg | - | 73.5 kg | - | 73.5 kg | 96.9 | 1 | |
| 2023-09-12 | Asian Bench Press Championships | AsianPF | 47 | 46.6 kg | - | 92.5 kg | - | 92.5 kg | 122.0 | 1 | |
| 2020-11-21 | All Japan Bench Press Championships | JPA | 47 | 46.8 kg | - | 97.5 kg | - | 97.5 kg | 128.2 | 2 | |
| 2019-10-26 | Japanese Bench Press Championships | JPA | 47 | 46.6 kg | - | 95 kg | - | 95 kg | 125.4 | 1 | |
| 2019-05-18 | World Bench Press Championships | IPF | 47 | 46.7 kg | - | 102.5 kg | - | 102.5 kg | 135.1 | 1 | |
| 2018-10-13 | Japanese Bench Press Championships | JPA | 47 | 47 kg | - | 105 kg | - | 105 kg | 137.6 | 1 | |
| 2018-01-27 | Japanese Bench Press Championships | JPA | 47 | 46.2 kg | - | 85 kg | - | 85 kg | 112.8 | 3 | |
| 2017-03-11 | Japanese Bench Press Championships | JPA | 52 | 47.6 kg | - | 97.5 kg | - | 97.5 kg | 126.6 | 6 | |
| 2016-04-19 | World Bench Press Championships | IPF | 47 | 46.5 kg | - | - | - | - | - | DQ | |
| 2015-10-31 | Japanese Bench Press Championships | JPA | 47 | 46.6 kg | - | 105 kg | - | 105 kg | 138.5 | 2 | |
| 2015-05-20 | World Bench Press Championships | IPF | 47 | 46.3 kg | - | 105 kg | - | 105 kg | 139.2 | 3 | |
| 2014-11-29 | Japanese Bench Press Championships | JPA | 47 | 46.8 kg | - | 108 kg | - | 108 kg | 142.1 | 1 | |
| 2014-09-06 | Japanese Masters Classic Powerlifting Championships | JPA | 47 | 46.8 kg | 75 kg | 80 kg | 105 kg | 260 kg | 341.6 | 2 | |
| 2014-04-17 | World Masters Bench Press Championships | IPF | 47 | 46.2 kg | - | 100 kg | - | 100 kg | 132.7 | 1 | |
| 2013-11-30 | Japanese Bench Press Championships | JPA | 47 | 46.6 kg | - | 107.5 kg | - | 107.5 kg | 141.9 | 2 | |
| 2013-09-15 | Japanese Masters Bench Press Championships | JPA | 47 | 46.7 kg | - | 102.5 kg | - | 102.5 kg | 135.0 | 1 | |
| 2013-04-18 | World Masters Bench Press Championships | IPF | 47 | 46.3 kg | - | 107.5 kg | - | 107.5 kg | 142.5 | 1 | |
| 2011-12-05 | Asian Powerlifting Championships | AsianPF | 52 | 50.3 kg | 110 kg | 90 kg | 135 kg | 335 kg | 418.3 | 1 | |
| 2010-09-27 | World Masters Powerlifting Championships | IPF | 52 | 50.4 kg | 115 kg | 110.5 kg | 132.5 kg | 358 kg | 445.8 | 2 | |
| 2009-09-28 | World Masters Powerlifting Championships | IPF | 48 | 47.9 kg | 102.5 kg | - | 115 kg | - | - | DQ | |
| 2008-04-16 | World Masters Bench Press Championships | IPF | 48 | 47.1 kg | - | 95 kg | - | 95 kg | 124.3 | 1 |
Records Held
Strength Fingerprint
How Hiroko Arai's lifts compare with every competition lifter in the same equipment class
Lift Balance
Share of the total from each lift, against the average female raw lifter
population average
Bench-dominant profile
Bench press makes up 30.7% of Hiroko Arai's total; the average female raw lifter's bench press contributes 20.2%.
Career Stage
47kg Raw lifters
This cohort typically peaks at 32. At 63, Hiroko Arai competes 31 years past the statistical peak.
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About Hiroko Arai
Hiroko Arai is competitive powerlifter who has competed in 21 sanctioned meets since 2008. Hiroko Arai has competed under JPA, AsianPF, IPF federations.
Career best competition total: 358.0 kg with a DOTS score of 445.79. Individual lift PRs: 115.0 kg squat, 110.5 kg bench press, 135.0 kg deadlift.
This profile is built from verified competition data sourced from OpenPowerlifting. All results shown are from sanctioned competition performances, not self-reported numbers.

