Shinichiro (小島伸一郎) Kojima
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Born : 1973
Cat. M50 Ultrarunner since 2022
12
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
Japan39,7%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 1 257; Σ finishers = 3 169. 1 257 / 3 169 × 100 = 39.67%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races1 251 km
> 100 km6
> 160 km2
> 24h1
Longest race173,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road37,8%
Trail54,1%
Elim.8,0%
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 04.05 | 173km | 20th Nagasaki Tachibana Gulf Coast Super Maranic 173 |
26:48:29 h | 16 |
| 2025 | ||||
| 15.11 | 101km | 4th Kumagawa Revival Trail |
21:05:57 h | 44 |
| 18.10 | 100km | 8th Iki 100 km Ultra Marathon |
10:49:21 h | 65 |
| 13.09 | 162.2km | 17th Shinetsu Five Mountains Trail 100 mile |
32:12:21 h | 231 |
| 20.07 | 66km | 13th Kirishima Ebino-kougen Extreme Trail |
10:18:03 h | 65 |
| 2024 | ||||
| 11.05 | 115.1km | 2nd Aso Volcano Trail |
23:53:31 h | 253 |
| 23.03 | 109km | 2nd Hiroshima Wangan Trail Run |
24:57:00 h | 186 |
| 2023 | ||||
| 21.10 | 100km | 6th Iki 100 km Ultra Marathon |
10:20:40 h | 57 |
| 07.10 | Backyard Ultra | 4th Last Dragon Ultra |
100.590 km (15h) | 24 |
| 03.09 | 64km | 6th Mizukami Mountain Party |
12:28:32 h | 72 |
| 2022 | ||||
| 15.10 | 100km | 5th Iki 100 km Ultra Marathon |
11:57:18 h | 60 |
| 24.07 | 60km | 10th Kirishima Ebino-kougen Extreme Trail |
11:53:05 h | 196 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 4/5/2026 | 20th Nagasaki Tachibana Gulf Coast Super Maranic 173 | 173,00 | ×5 |
| ✓ 2 | 13/9/2025 | 17th Shinetsu Five Mountains Trail 100 mile | 162,20 | ×4 |
| ✓ 3 | 11/5/2024 | 2nd Aso Volcano Trail | 115,10 | ×3 |
| ✓ 4 | 23/3/2024 | 2nd Hiroshima Wangan Trail Run | 109,00 | ×3 |
| ✓ 5 | 15/11/2025 | 4th Kumagawa Revival Trail | 101,00 | ×3 |
| ✓ 6 | 7/10/2023 | 4th Last Dragon Ultra | 100,59 | ×3 |
| ✓ 7 | 18/10/2025 | 8th Iki 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 8 | 21/10/2023 | 6th Iki 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 9 | 15/10/2022 | 5th Iki 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 10 | 20/7/2025 | 13th Kirishima Ebino-kougen Extreme Trail | 66,00 | ×2 |
| ✓ 11 | 3/9/2023 | 6th Mizukami Mountain Party | 64,00 | ×1 |
| ✓ 12 | 24/7/2022 | 10th Kirishima Ebino-kougen Extreme Trail | 60,00 | ×1 |