Akira Hirai
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Born : 1966
Cat. M60 Ultrarunner since 2015
5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
17
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?United States
United States79,7%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 498; Σ finishers = 625. 498 / 625 × 100 = 79.68%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races357 km
> 24h2
Longest race86,3 km
1st SISU 24 Hour Ultra — 1/11/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road16,8%
Trail83,2%
HISTORY
5 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2018 | ||||
| 01.11 | 24h | 1st SISU 24 Hour Ultra |
86.260 km | 4 |
| 2017 | ||||
| 05.08 | 24h | 3rd Julian Station Full Moon 24 Hour Run |
59.867 km | 24 |
| 2016 | ||||
| 19.03 | 50mi | 3rd Monument Valley 50 Mile Race |
14:05:36 h | 104 |
| 20.02 | 50mi | 3rd Antelope Canyon 50 Mile Race |
14:07:02 h | 176 |
| 2015 | ||||
| 22.08 | 50km | 24th Bulldog 50k Ultra Run |
7:46:46 h | 195 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/11/2018 | 1st SISU 24 Hour Ultra | 86,26 | ×5 |
| ✓ 2 | 19/3/2016 | 3rd Monument Valley 50 Mile Race | 80,47 | ×4 |
| ✓ 3 | 20/2/2016 | 3rd Antelope Canyon 50 Mile Race | 80,47 | ×4 |
| ✓ 4 | 5/8/2017 | 3rd Julian Station Full Moon 24 Hour Run | 59,87 | ×3 |
| ✓ 5 | 22/8/2015 | 24th Bulldog 50k Ultra Run | 50,00 | ×2 |