Yutaka (磯部豊) Isobe
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Born : 1977
Cat. M45 Ultrarunner since 2013
8
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
Japan11,0%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 357; Σ finishers = 3 248. 357 / 3 248 × 100 = 10.99%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races843 km
> 100 km3
> 160 km1
> 200 km1
> 24h1
Longest race217,0 km
1st Setouchi Angya 2014 — 1/11/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road48,3%
Trail51,7%
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2017 | ||||
| 13.05 | 50km | 3rd Mt. Hiei Int. 50 km Trail Run |
8:02:09 h | 97 |
| 2016 | ||||
| 06.08 | 24h | 16th 24-hour relay & solo marathon Kobe |
90.100 km | 68 |
| 2015 | ||||
| 19.07 | 118km | 2nd SkyView Ultra-Trail - Yamada Noboru Memorial Cup |
25:30:41 h | 87 |
| 29.03 | 100km | 1st Osaka Yodogawa 100 km Ultra Marathon |
9:02:09 h | 35 |
| 2014 | ||||
| 01.11 | 217km | 1st Setouchi Angya 2014 |
33:53:35 h | 11 |
| 26.04 | 88km | 3rd Shizuoka to Yamanashi |
14:22:16 h | 23 |
| 2013 | ||||
| 15.09 | 110km | 5th Shinetsu Five Mountains Trail 110km |
13:35:08 h | 20 |
| 03.05 | 70km | 21. Mukogawa Yurikamome Ultra Marathon |
5:34:13 h | 24 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/11/2014 | 1st Setouchi Angya 2014 | 217,00 | ×8 |
| ✓ 2 | 19/7/2015 | 2nd SkyView Ultra-Trail - Yamada Noboru Memorial Cup | 118,00 | ×4 |
| ✓ 3 | 15/9/2013 | 5th Shinetsu Five Mountains Trail 110km | 110,00 | ×4 |
| ✓ 4 | 29/3/2015 | 1st Osaka Yodogawa 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 5 | 6/8/2016 | 16th 24-hour relay & solo marathon Kobe | 90,10 | ×3 |
| ✓ 6 | 26/4/2014 | 3rd Shizuoka to Yamanashi (STY) | 88,00 | ×3 |
| ✓ 7 | 3/5/2013 | 21. Mukogawa Yurikamome Ultra Marathon | 70,00 | ×2 |
| ✓ 8 | 13/5/2017 | 3rd Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |