Ryohei (関野涼平) Sekino
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13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
18,7%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 2 437; Σ finishers = 13 012. 2 437 / 13 012 × 100 = 18.73%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 196 km
> 100 km2
Longest race118,0 km
28th Fuji 5 Lakes 118 km Challenge — 22/4/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road66,0%
Trail34,0%
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 30.06 | 100km | 10:11:10 h | 327 | |
| 19.05 | 100km | 11:54:29 h | 244 | |
| 2023 | ||||
| 21.05 | 100km | 12:12:55 h | 176 | |
| 2019 | ||||
| 07.10 | 100km | 9:36:51 h | 29 | |
| 21.04 | 100km | 9:20:35 h | 55 | |
| 2018 | ||||
| 09.12 | 71.7km | 9:34:10 h | 138 | |
| 16.09 | 110km | 17:43:55 h | 74 | |
| 22.04 | 118km | 12:51:37 h | 91 | |
| 2017 | ||||
| 23.04 | 100km | 11:23:46 h | 354 | |
| 2016 | ||||
| 11.12 | 71.7km | 11:25:22 h | 405 | |
| 2015 | ||||
| 19.04 | 71km | 7:46:55 h | 95 | |
| 15.03 | 72km | 10:53:24 h | 294 | |
| 2014 | ||||
| 15.06 | 81.4km | 12:17:15 h | 168 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/4/2018 | 28th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 2 | 16/9/2018 | 10th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 3 | 30/6/2024 | 39. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 4 | 19/5/2024 | 30th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 5 | 21/5/2023 | 29th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 6 | 7/10/2019 | 1st Fuji 4 Lakes 100 km Autumn Challenge | 100,00 | ×3 |
| ✓ 7 | 21/4/2019 | 29th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 8 | 23/4/2017 | 27th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 9 | 15/6/2014 | 1. Spatrail - Shima to Kusatsu | 81,40 | ×2 |
| ✓ 10 | 15/3/2015 | 2nd Izu Trail Journey | 72,00 | ×2 |
| ✓ 11 | 9/12/2018 | 5th Izu Trail Journey | 71,70 | ×2 |
| ✓ 12 | 11/12/2016 | 3rd Izu Trail Journey | 71,70 | ×2 |
| ✓ 13 | 19/4/2015 | 25th Fuji 5 Lakes 71 km Challenge | 71,00 | ×2 |