Yusuke (熊谷祐介) Kumagai
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Born : 1976
Cat. M50 Ultrarunner since 2012
11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
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
Japan12,0%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 427; Σ finishers = 3 547. 427 / 3 547 × 100 = 12.04%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races1 044 km
> 100 km1
Longest race102,0 km
1st Okuizumo Ultra Orochi 100km Tooashi — 11/4/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 12.05 | 100km | 26th Ebisu-Daikoku 100 km Marathon |
11:25:06 h | 116 |
| 2017 | ||||
| 28.05 | 100km | 24th Ebisu-Daikoku 100 km Marathon |
10:30:17 h | 50 |
| 2016 | ||||
| 25.09 | 88km | 19th Muraoka 88 km Ultra Marathon |
10:20:21 h | 17 |
| 2015 | ||||
| 27.09 | 100km | 18th Muraoka 100 km Ultra Marathon |
10:42:44 h | 38 |
| 31.05 | 100km | 22nd Ebisu-Daikoku 100 km Marathon |
9:06:52 h | 17 |
| 11.04 | 102km | 1st Okuizumo Ultra Orochi 100km Tooashi |
10:09:27 h | 3 🥉 |
| 2014 | ||||
| 28.09 | 100km | 17th Muraoka 100 km Ultra Marathon |
10:23:56 h | 29 |
| 25.05 | 100km | 21st Ebisu-Daikoku 100 km Marathon |
9:51:48 h | 29 |
| 2013 | ||||
| 29.09 | 88km | 16th Muraoka 88 km Ultra Marathon |
9:23:44 h | 12 |
| 26.05 | 100km | 20th Ebisu-Daikoku 100 km Marathon |
10:38:56 h | 62 |
| 2012 | ||||
| 30.09 | 66km | 15th Muraoka 66 km Ultra Marathon |
8:32:36 h | 65 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/4/2015 | 1st Okuizumo Ultra Orochi 100km Tooashi | 102,00 | ×3 |
| ✓ 2 | 12/5/2019 | 26th Ebisu-Daikoku 100 km Marathon | 100,00 | ×3 |
| ✓ 3 | 28/5/2017 | 24th Ebisu-Daikoku 100 km Marathon | 100,00 | ×3 |
| ✓ 4 | 27/9/2015 | 18th Muraoka 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 5 | 31/5/2015 | 22nd Ebisu-Daikoku 100 km Marathon | 100,00 | ×3 |
| ✓ 6 | 28/9/2014 | 17th Muraoka 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 7 | 25/5/2014 | 21st Ebisu-Daikoku 100 km Marathon | 100,00 | ×3 |
| ✓ 8 | 26/5/2013 | 20th Ebisu-Daikoku 100 km Marathon | 100,00 | ×3 |
| ✓ 9 | 25/9/2016 | 19th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 10 | 29/9/2013 | 16th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 11 | 30/9/2012 | 15th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |