Yusuke (河合佑亮) Kawai
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Born : 1984
Cat. M40 Ultrarunner since 2002
4
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
14
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
Japan64,6%
Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 1 188; Σ finishers = 1 838. 1 188 / 1 838 × 100 = 64.64%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed4
Km — ultra races242 km
Longest race71,5 km
10th Hasetsune Cup - Japan Mountain Endurance Race — 12/10/2002
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road20,7%
Trail79,3%
Records
HISTORY
4 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2022 | ||||
| 10.04 | 70km | 7th Okumikawa Power Trail |
13:16:23 h | 266 |
| 2019 | ||||
| 11.05 | 50km | 1st Izu Oshima Geopark Ultra Marathon |
6:15:24 h | 42 |
| 2018 | ||||
| 12.05 | 50km | 4th Mt. Hiei Int. 50 km Trail Run |
9:31:23 h | 272 |
| 2002 | ||||
| 12.10 | 71.5km | 10th Hasetsune Cup - Japan Mountain Endurance Race |
20:58:02 h | 612 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/10/2002 | 10th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×5 |
| ✓ 2 | 10/4/2022 | 7th Okumikawa Power Trail | 70,00 | ×5 |
| ✓ 3 | 11/5/2019 | 1st Izu Oshima Geopark Ultra Marathon | 50,00 | ×3 |
| ✓ 4 | 12/5/2018 | 4th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×3 |