Kouta (政氏浩太) Masauji
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Born : 1984
Cat. M40 Ultrarunner since 2013
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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
Japan74,0%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 4 816; Σ finishers = 6 509. 4 816 / 6 509 × 100 = 73.99%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races970 km
> 100 km2
> 160 km1
Longest race167,0 km
8th Ultra-Trail Mt. Fuji (UTMF) — 21/4/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road20,6%
Trail79,4%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 14.07 | 109.2km | 16th OSJ Ontake 100km Ultra Trail |
18:29:56 h | 758 |
| 2023 | ||||
| 21.04 | 167km | 8th Ultra-Trail Mt. Fuji |
41:05:28 h | 1110 |
| 2022 | ||||
| 15.10 | 73km | 7th Gasando Trail running race |
13:32:09 h | 204 |
| 2019 | ||||
| 06.10 | 73km | 5th Gasando Trail running race |
14:01:03 h | 156 |
| 2018 | ||||
| 14.10 | 73km | 4th Gasando Trail running race |
13:13:35 h | 233 |
| 2017 | ||||
| 15.07 | 100km | 10th OSJ Ontake 100km Ultra Trail |
16:47:56 h | 609 |
| 2016 | ||||
| 13.11 | 75km | 2nd Gasando Trail running race |
13:59:32 h | 245 |
| 16.07 | 100km | 9th OSJ Ontake 100km Ultra Trail |
16:19:49 h | 561 |
| 2014 | ||||
| 21.09 | 100km | 2nd 100 km Ultramarathon Hakusan-Shirakawago |
14:10:59 h | 388 |
| 2013 | ||||
| 29.09 | 100km | 1st 100 km Ultramarathon Hakusan-Shirakawago |
15:07:48 h | 562 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/4/2023 | 8th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×5 |
| ✓ 2 | 14/7/2024 | 16th OSJ Ontake 100km Ultra Trail | 109,20 | ×3 |
| ✓ 3 | 15/7/2017 | 10th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 4 | 16/7/2016 | 9th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 5 | 21/9/2014 | 2nd 100 km Ultramarathon Hakusan-Shirakawago | 100,00 | ×3 |
| ✓ 6 | 29/9/2013 | 1st 100 km Ultramarathon Hakusan-Shirakawago | 100,00 | ×3 |
| ✓ 7 | 13/11/2016 | 2nd Gasando Trail running race | 75,00 | ×2 |
| ✓ 8 | 15/10/2022 | 7th Gasando Trail running race | 73,00 | ×2 |
| ✓ 9 | 6/10/2019 | 5th Gasando Trail running race | 73,00 | ×2 |
| ✓ 10 | 14/10/2018 | 4th Gasando Trail running race | 73,00 | ×2 |