Yuichiro (大坪祐一朗) Otsubo
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Born : 1981
Cat. M45 Ultrarunner since 2010
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
22
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 6 eligible race(s): Σ(rank − 1) = 903; Σ finishers = 2 277. 903 / 2 277 × 100 = 39.66%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races577 km
> 100 km1
Longest race112,0 km
22nd Fuji 5 Lakes 112 km Challenge — 22/4/2012
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2017 | ||||
| 21.10 | 100km | 2nd Iki 100 km Ultra Marathon |
11:11:16 h | 45 |
| 28.05 | 100km | 24th Ebisu-Daikoku 100 km Marathon |
11:11:13 h | 81 |
| 2012 | ||||
| 21.09 | 100km | 12th Tango 100 km Ultramarathon |
13:42:40 h | 671 |
| 22.04 | 112km | 22nd Fuji 5 Lakes 112 km Challenge |
11:16:59 h | 61 |
| 2011 | ||||
| 25.09 | 100km | 14th Muraoka 100 km Ultra Marathon |
11:10:24 h | 31 |
| 2010 | ||||
| 04.07 | 8h | 16th 8-Hour Endurance Race Tokorozawa - 3 tai |
64.920 km | 20 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/4/2012 | 22nd Fuji 5 Lakes 112 km Challenge | 112,00 | ×5 |
| ✓ 2 | 21/10/2017 | 2nd Iki 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 3 | 28/5/2017 | 24th Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 4 | 21/9/2012 | 12th Tango 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 5 | 25/9/2011 | 14th Muraoka 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 6 | 4/7/2010 | 16th 8-Hour Endurance Race Tokorozawa - 3 tai | 64,92 | ×2 |