Yoshizumi (伊藤義純) Itou
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Born : 1970
Cat. M55 Ultrarunner since 2022
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
Japan85,6%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 4 624; Σ finishers = 5 399. 4 624 / 5 399 × 100 = 85.65%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races860 km
> 100 km2
> 160 km1
> 24h1
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)
Road23,3%
Trail76,7%
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 11.07 | 100km | 4th North Kyoto 100 Trail Run |
17:11:55 h | 35 |
| 11.04 | 80km | 3rd Amagase Trail 80 km |
16:07:30 h | 39 |
| 28.03 | 24h | 2nd Biwako 24 |
100.000 km | 74 |
| 2025 | ||||
| 22.02 | 72km | 3rd Daimonji 100 - 72km |
20:02:56 h | 32 |
| 2023 | ||||
| 16.07 | 109.2km | 15th OSJ Ontake 100km Ultra Trail |
19:12:08 h | 594 |
| 21.04 | 167km | 8th Ultra-Trail Mt. Fuji |
43:28:21 h | 1585 |
| 2022 | ||||
| 11.12 | 70km | 9th Izu Trail Journey |
12:55:44 h | 1067 |
| 06.08 | 61.3km | 3rd Osaka Natsunojin Kurondo Rondo - 60 km |
15:24:40 h | 62 |
| 17.04 | 100km | 32th Fuji 5 Lakes 100 km Challenge |
13:47:02 h | 1145 |
| 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 | ×6 |
| ✓ 2 | 16/7/2023 | 15th OSJ Ontake 100km Ultra Trail | 109,20 | ×4 |
| ✓ 3 | 11/7/2026 | 4th North Kyoto 100 Trail Run | 100,00 | ×3 |
| ✓ 4 | 28/3/2026 | 2nd Biwako 24 | 100,00 | ×3 |
| ✓ 5 | 17/4/2022 | 32th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 6 | 11/4/2026 | 3rd Amagase Trail 80 km | 80,00 | ×2 |
| ✓ 7 | 22/2/2025 | 3rd Daimonji 100 - 72km | 72,00 | ×2 |
| ✓ 8 | 11/12/2022 | 9th Izu Trail Journey | 70,00 | ×2 |
| ✓ 9 | 6/8/2022 | 3rd Osaka Natsunojin Kurondo Rondo - 60 km | 61,30 | ×2 |