Ryosuke (一ﾉ枝亮輔) Ichinoe
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Born : 1985
Cat. M40 Ultrarunner since 2015
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
Japan29,3%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 2 905; Σ finishers = 9 907. 2 905 / 9 907 × 100 = 29.32%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 484 km
> 100 km6
> 160 km4
Longest race169,0 km
2nd Lake Biwa 100 — 7/10/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road6,7%
Trail93,3%
Records
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 20.06 | 105km | 2nd Kaga Spa by UTMB - Kaga Spa Trail Endurance100 |
19:13:33 h | 139 |
| 2024 | ||||
| 08.12 | 70km | 11th Izu Trail Journey |
10:02:40 h | 277 |
| 2023 | ||||
| 16.09 | 162.6km | 15th Shinetsu Five Mountains Trail 100 mile |
30:50:46 h | 120 |
| 2022 | ||||
| 07.10 | 169km | 2nd Lake Biwa 100 |
44:28:12 h | 81 |
| 22.04 | 167km | 7th Ultra-Trail Mt. Fuji |
30:49:25 h | 304 |
| 2021 | ||||
| 12.12 | 69.1km | 8th Izu Trail Journey |
9:55:29 h | 322 |
| 09.10 | 168.5km | 7th OSJ Koumi 100 |
34:10:40 h | 178 |
| 2019 | ||||
| 19.10 | 54km | 6th Shigakogen Extreme Trail |
8:56:35 h | 29 |
| 11.05 | 121km | 3rd Aso Round Trail |
26:46:33 h | 159 |
| 2018 | ||||
| 09.12 | 71.7km | 5th Izu Trail Journey |
10:03:14 h | 205 |
| 2017 | ||||
| 01.10 | 74.5km | 2nd Shinjo-Hiruzen Super Trail |
11:34:29 h | 50 |
| 17.09 | 52km | 9th Shinetsu Five Mountains Trail 110km |
6:01:13 h | 68 |
| 2016 | ||||
| 31.07 | 100km | 6th North Okhotsk 100 km Marathon |
12:27:54 h | 82 |
| 2015 | ||||
| 17.05 | 100km | 21st Yatsugatake Nobeyama 100 km |
13:23:01 h | 905 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/10/2022 | 2nd Lake Biwa 100 | 169,00 | ×4 |
| ✓ 2 | 9/10/2021 | 7th OSJ Koumi 100 | 168,50 | ×4 |
| ✓ 3 | 22/4/2022 | 7th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×4 |
| ✓ 4 | 16/9/2023 | 15th Shinetsu Five Mountains Trail 100 mile | 162,60 | ×4 |
| ✓ 5 | 11/5/2019 | 3rd Aso Round Trail | 121,00 | ×3 |
| ✓ 6 | 20/6/2026 | 2nd Kaga Spa by UTMB - Kaga Spa Trail Endurance100 | 105,00 | ×3 |
| ✓ 7 | 31/7/2016 | 6th North Okhotsk 100 km Marathon | 100,00 | ×2 |
| ✓ 8 | 17/5/2015 | 21st Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 9 | 1/10/2017 | 2nd Shinjo-Hiruzen Super Trail | 74,50 | ×2 |
| ✓ 10 | 9/12/2018 | 5th Izu Trail Journey | 71,70 | ×2 |
| ✓ 11 | 8/12/2024 | 11th Izu Trail Journey | 70,00 | ×2 |
| ✓ 12 | 12/12/2021 | 8th Izu Trail Journey | 69,10 | ×1 |
| ✓ 13 | 19/10/2019 | 6th Shigakogen Extreme Trail | 54,00 | ×1 |
| ✓ 14 | 17/9/2017 | 9th Shinetsu Five Mountains Trail 110km | 52,00 | ×1 |