Kenji (佐藤健司) Sato
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8
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
70,6%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 3 779; Σ finishers = 5 355. 3 779 / 5 355 × 100 = 70.57%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races530 km
Longest race100,0 km
26th Fuji 5 Lakes 100 km Challenge — 24/4/2016
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road40,8%
Trail59,2%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2020 | ||||
| 08.02 | 50km | 7:46:32 h | 80 | |
| 2019 | ||||
| 03.02 | 5h | 45.440 km | 18 | |
| 2018 | ||||
| 28.04 | 92km | 19:45:32 h | 550 | |
| 2016 | ||||
| 09.10 | 71.5km | 20:55:10 h | 1640 | |
| 24.04 | 100km | 12:48:22 h | 701 | |
| 2015 | ||||
| 19.04 | 71km | 9:33:37 h | 424 | |
| 2013 | ||||
| 06.10 | 50km | 8:10:11 h | 262 | |
| 2010 | ||||
| 03.10 | 50km | 6:50:39 h | 112 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/4/2016 | 26th Fuji 5 Lakes 100 km Challenge | 100,00 | ×4 |
| ✓ 2 | 28/4/2018 | 5th Shizuoka to Yamanashi (STY) | 92,00 | ×4 |
| ✓ 3 | 9/10/2016 | 24th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×3 |
| ✓ 4 | 19/4/2015 | 25th Fuji 5 Lakes 71 km Challenge | 71,00 | ×3 |
| ✓ 5 | 8/2/2020 | 11th OSJ Jungle Trail 50K Amami | 50,00 | ×2 |
| ✓ 6 | 6/10/2013 | 7th Madarao Forest Trails 50km | 50,00 | ×2 |
| ✓ 7 | 3/10/2010 | 4th Madarao Forest Trails 50km | 50,00 | ×2 |
| ✓ 8 | 3/2/2019 | 9th Iikoto Challenge - 5h | 45,44 | ×2 |