Tatsuya (赤津達矢) Akatsu
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Born : 1986
Cat. M40 Ultrarunner since 2015
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
Japan28,0%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 1 389; Σ finishers = 4 964. 1 389 / 4 964 × 100 = 27.98%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 317 km
> 100 km5
> 160 km2
> 200 km1
Longest race250,0 km
7th Utsukushima Fukushima Journey Run 250K — 14/9/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road42,5%
Trail57,5%
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 12.10 | 100mi | 11th OSJ Koumi 100 |
32:33:19 h | 51 |
| 2024 | ||||
| 01.12 | 50km | 11th Trainic world Soto-Chichibu Trail Run 50km |
8:14:55 h | 60 |
| 14.09 | 250km | 7th Utsukushima Fukushima Journey Run 250K |
47:00:03 h | 27 |
| 18.05 | 109.2km | 9th Trainic World 100 km in Sai-No-Kuni |
25:46:55 h | 107 |
| 2021 | ||||
| 10.04 | 70km | 16th Toda Saiko 70 km |
6:29:05 h | 103 |
| 2019 | ||||
| 16.06 | 48.3km | 1st FunTrails Round Minano |
8:59:06 h | 72 |
| 13.04 | 70km | 14th Toda Saiko 70 km |
7:47:25 h | 260 |
| 2018 | ||||
| 08.09 | 49.8km | 6th Trainic world Soto-Chichibu Trail Run 50km |
7:50:12 h | 40 |
| 2017 | ||||
| 23.09 | 129km | 4th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup |
28:47:16 h | 206 |
| 09.07 | 49.8km | 5th Trainic world Chichibu Trail Run 50km |
8:10:09 h | 34 |
| 2016 | ||||
| 03.09 | 110km | 1st Trainic World 100 km in Sai-No-Kuni |
26:43:03 h | 28 |
| 05.06 | 100km | 4th Tokyo Shibamata 100 km |
11:11:10 h | 289 |
| 08.05 | 49.8km | 4th Trainic world Chichibu Trail Run 50km |
7:16:13 h | 28 |
| 2015 | ||||
| 11.04 | 70km | 10th Toda Saiko 70 km |
6:49:51 h | 98 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/9/2024 | 7th Utsukushima Fukushima Journey Run 250K | 250,00 | ×7 |
| ✓ 2 | 12/10/2025 | 11th OSJ Koumi 100 | 160,93 | ×4 |
| ✓ 3 | 23/9/2017 | 4th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup | 129,00 | ×3 |
| ✓ 4 | 3/9/2016 | 1st Trainic World 100 km in Sai-No-Kuni | 110,00 | ×3 |
| ✓ 5 | 18/5/2024 | 9th Trainic World 100 km in Sai-No-Kuni | 109,20 | ×3 |
| ✓ 6 | 5/6/2016 | 4th Tokyo Shibamata 100 km | 100,00 | ×3 |
| ✓ 7 | 10/4/2021 | 16th Toda Saiko 70 km | 70,00 | ×2 |
| ✓ 8 | 13/4/2019 | 14th Toda Saiko 70 km | 70,00 | ×2 |
| ✓ 9 | 11/4/2015 | 10th Toda Saiko 70 km | 70,00 | ×2 |
| ✓ 10 | 1/12/2024 | 11th Trainic world Soto-Chichibu Trail Run 50km | 50,00 | ×1 |
| ✓ 11 | 8/9/2018 | 6th Trainic world Soto-Chichibu Trail Run 50km | 49,80 | ×1 |
| ✓ 12 | 9/7/2017 | 5th Trainic world Chichibu Trail Run 50km | 49,80 | ×1 |
| ✓ 13 | 8/5/2016 | 4th Trainic world Chichibu Trail Run 50km | 49,80 | ×1 |
| ✓ 14 | 16/6/2019 | 1st FunTrails Round Minano | 48,30 | ×1 |