Hiroyuki (恵川裕行) Egawa
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9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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 ?
Japan
26,6%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 679; Σ finishers = 6 304. 1 679 / 6 304 × 100 = 26.63%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races1 143 km
> 100 km3
> 160 km1
> 200 km1
Longest race415,0 km
8th Trans Japan Alps Race (TJAR) — 7/8/2016
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road24,2%
Trail75,8%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 07.12 | 52km | 8:30:47 h | 92 | |
| 2017 | ||||
| 23.09 | 129km | 30:57:19 h | 314 | |
| 2016 | ||||
| 07.08 | 415km | 7d 23:35:00 h | 24 | |
| 24.04 | 100km | 9:58:30 h | 127 | |
| 2015 | ||||
| 31.10 | 71.5km | 11:41:43 h | 323 | |
| 17.05 | 77km | 8:54:38 h | 74 | |
| 2014 | ||||
| 26.04 | 88km | 16:53:51 h | 86 | |
| 2013 | ||||
| 15.09 | 110km | 17:51:11 h | 148 | |
| 21.04 | 100km | 13:28:35 h | 500 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/8/2016 | 8th Trans Japan Alps Race (TJAR) | 415,00 | ×12 |
| ✓ 2 | 23/9/2017 | 4th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup | 129,00 | ×4 |
| ✓ 3 | 15/9/2013 | 5th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 4 | 24/4/2016 | 26th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 5 | 21/4/2013 | 23rd Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 6 | 26/4/2014 | 3rd Shizuoka to Yamanashi (STY) | 88,00 | ×2 |
| ✓ 7 | 17/5/2015 | Saba Highway Ultramarathon | 77,00 | ×2 |
| ✓ 8 | 31/10/2015 | 23rd Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 9 | 7/12/2025 | 11th Kumano Old Trails | 52,00 | ×1 |