Yoshimitsu (秋山義光) Akiyama
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10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
20,2%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 1 499; Σ finishers = 7 430. 1 499 / 7 430 × 100 = 20.17%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races909 km
> 100 km2
Longest race118,0 km
27th Fuji 5 Lakes 118 km Challenge — 23/4/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road65,2%
Trail34,8%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 05.07 | 75km | 9:27:01 h | 67 | |
| 09.05 | 114km | 20:13:59 h | 102 | |
| 2025 | ||||
| 15.11 | 100km | 26:07:50 h | 173 | |
| 07.09 | 50km | 7:47:23 h | 99 | |
| 07.06 | 52.4km | 7:39:43 h | 85 | |
| 2019 | ||||
| 19.05 | 100km | 11:50:26 h | 344 | |
| 2018 | ||||
| 22.04 | 100km | 10:27:05 h | 174 | |
| 2017 | ||||
| 02.07 | 100km | 10:28:06 h | 107 | |
| 23.04 | 118km | 12:56:52 h | 129 | |
| 2016 | ||||
| 24.04 | 100km | 10:55:08 h | 229 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/4/2017 | 27th Fuji 5 Lakes 118 km Challenge | 118,00 | ×4 |
| ✓ 2 | 9/5/2026 | 4th Aso Volcano Trail | 114,00 | ×4 |
| ✓ 3 | 15/11/2025 | 11th FunTrails100K Round | 100,00 | ×3 |
| ✓ 4 | 19/5/2019 | 25th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 5 | 22/4/2018 | 28th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 6 | 2/7/2017 | 1st Nikko 100km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 24/4/2016 | 26th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 8 | 5/7/2026 | 4th Mt. Gassan Foot Ultra Marathon | 75,00 | ×2 |
| ✓ 9 | 7/6/2025 | 5th Okushinano 100 - 50 km | 52,40 | ×1 |
| ✓ 10 | 7/9/2025 | 14th Hakuba Int. Trail Run | 50,00 | ×1 |