Yuki (小松原勇樹) Komatsubara
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Ultrarunner since 2010
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
Japan26,0%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 636; Σ finishers = 2 449. 636 / 2 449 × 100 = 25.97%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races800 km
Longest race100,0 km
29th Ebisu-Daikoku 100 km Marathon — 28/5/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 28.05 | 100km | 29th Ebisu-Daikoku 100 km Marathon |
12:45:36 h | 156 |
| 2019 | ||||
| 13.01 | 100km | 4th Yakushima Ultramarathon |
10:55:11 h | 7 |
| 2017 | ||||
| 28.05 | 100km | 24th Ebisu-Daikoku 100 km Marathon |
11:47:44 h | 123 |
| 2016 | ||||
| 29.05 | 100km | 23rd Ebisu-Daikoku 100 km Marathon |
9:12:48 h | 19 |
| 2014 | ||||
| 25.05 | 100km | 21st Ebisu-Daikoku 100 km Marathon |
9:54:06 h | 31 |
| 2013 | ||||
| 26.05 | 100km | 20th Ebisu-Daikoku 100 km Marathon |
10:42:34 h | 63 |
| 2012 | ||||
| 27.05 | 100km | 19th Ebisu-Daikoku 100 km Marathon |
11:02:34 h | 69 |
| 2010 | ||||
| 30.05 | 100km | 17th Ebisu-Daikoku 100 km Marathon |
13:16:34 h | 176 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/5/2023 | 29th Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 2 | 13/1/2019 | 4th Yakushima Ultramarathon | 100,00 | ×4 |
| ✓ 3 | 28/5/2017 | 24th Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 4 | 29/5/2016 | 23rd Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 5 | 25/5/2014 | 21st Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 6 | 26/5/2013 | 20th Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 7 | 27/5/2012 | 19th Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |
| ✓ 8 | 30/5/2010 | 17th Ebisu-Daikoku 100 km Marathon | 100,00 | ×4 |