Koshi (二宮幸士) Ninomiya
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Born : 1975
Cat. M50 Ultrarunner since 2019
18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
36
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
Japan41,7%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 4 853; Σ finishers = 11 628. 4 853 / 11 628 × 100 = 41.74%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 724 km
> 100 km7
> 160 km3
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)
Road5,8%
Trail94,2%
HISTORY
18 race(s)| 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 | ×4 |
| ✓ 2 | 14/9/2024 | 16th Shinetsu Five Mountains Trail 100 mile | 163,10 | ×4 |
| ✓ 3 | 13/9/2025 | 17th Shinetsu Five Mountains Trail 100 mile | 162,20 | ×4 |
| ✓ 4 | 14/7/2024 | 16th OSJ Ontake 100km Ultra Trail | 109,20 | ×3 |
| ✓ 5 | 16/7/2023 | 15th OSJ Ontake 100km Ultra Trail | 109,20 | ×3 |
| ✓ 6 | 18/9/2022 | 14th Shinetsu Five Mountains Trail 110km | 109,00 | ×3 |
| ✓ 7 | 16/7/2022 | 14th OSJ Ontake 100km Ultra Trail | 106,50 | ×2 |
| ✓ 8 | 17/5/2026 | 32th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 9 | 13/7/2019 | 12th OSJ Ontake 100km Ultra Trail | 100,00 | ×2 |
| ✓ 10 | 20/7/2025 | 17th OSJ Ontake 100km Ultra Trail | 99,50 | ×2 |
| ✓ 11 | 7/10/2023 | 8th Gasando Trail running race | 73,00 | ×2 |
| ✓ 12 | 15/10/2022 | 7th Gasando Trail running race | 73,00 | ×2 |
| ✓ 13 | 6/10/2019 | 5th Gasando Trail running race | 73,00 | ×2 |
| ✓ 14 | 8/12/2019 | 6th Izu Trail Journey | 71,70 | ×1 |
| ✓ 15 | 30/6/2019 | 6th Fairy Trail - Super Long | 60,00 | ×1 |
| ✓ 16 | 21/5/2022 | 8th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 17 | 25/5/2019 | 5th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 18 | 3/11/2019 | 3rd Ninja Trail Run | 48,00 | ×1 |