Keishi (内村圭志) Uchimura
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Born : 1973
Cat. M50 Ultrarunner since 2013
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
23
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
Japan39,0%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 674; Σ finishers = 1 730. 674 / 1 730 × 100 = 38.96%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races639 km
> 100 km2
> 160 km1
Longest race170,3 km
4th Ultra-Trail Mt. Fuji (UTMF) — 25/9/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 15.11 | 101km | 4th Kumagawa Revival Trail |
26:25:04 h | 104 |
| 20.07 | 60km | 3rd Shin Daisetsuzan Trail Journey |
7:39:19 h | 78 |
| 2015 | ||||
| 25.09 | 170.3km | 4th Ultra-Trail Mt. Fuji |
38:21:54 h | 238 |
| 26.07 | 80km | 3rd Mt. Taisetsu Trail Journey |
9:52:12 h | 11 |
| 2014 | ||||
| 21.09 | 70km | 6th Hokkaido Outdoor Festival 70 km Run |
10:18:56 h | 8 |
| 26.04 | 88km | 3rd Shizuoka to Yamanashi |
19:04:13 h | 194 |
| 2013 | ||||
| 22.09 | 70km | 5th Hokkaido Outdoor Festival 70 km Run |
12:48:34 h | 48 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/9/2015 | 4th Ultra-Trail Mt. Fuji (UTMF) | 170,30 | ×7 |
| ✓ 2 | 15/11/2025 | 4th Kumagawa Revival Trail | 101,00 | ×4 |
| ✓ 3 | 26/4/2014 | 3rd Shizuoka to Yamanashi (STY) | 88,00 | ×3 |
| ✓ 4 | 26/7/2015 | 3rd Mt. Taisetsu Trail Journey | 80,00 | ×3 |
| ✓ 5 | 21/9/2014 | 6th Hokkaido Outdoor Festival 70 km Run | 70,00 | ×3 |
| ✓ 6 | 22/9/2013 | 5th Hokkaido Outdoor Festival 70 km Run | 70,00 | ×3 |
| ✓ 7 | 20/7/2025 | 3rd Shin Daisetsuzan Trail Journey | 60,00 | ×2 |