Ryuji (一宮竜司) Ichimiya
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Born : 1977
Cat. M45 Ultrarunner since 2015
10
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
Japan21,2%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 896; Σ finishers = 4 223. 896 / 4 223 × 100 = 21.22%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races739 km
Longest race100,0 km
24. Okukumano 100 km Ultramarathon — 21/4/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road13,5%
Trail86,5%
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 21.04 | 100km | 24. Okukumano 100 km Ultramarathon |
11:55:02 h | 75 |
| 2022 | ||||
| 04.12 | 52km | 8th Kumano Old Trails |
7:34:29 h | 39 |
| 15.10 | 73km | 7th Gasando Trail running race |
10:29:43 h | 47 |
| 2019 | ||||
| 06.10 | 73km | 5th Gasando Trail running race |
11:02:38 h | 32 |
| 13.07 | 100km | 12th OSJ Ontake 100km Ultra Trail |
13:37:41 h | 148 |
| 23.06 | 72.6km | 6. Spatrail - Shima to Kusatsu 72K |
10:31:16 h | 141 |
| 2018 | ||||
| 27.05 | 65km | 3rd Osorakan-Trail |
10:16:35 h | 39 |
| 2017 | ||||
| 13.05 | 50km | 3rd Mt. Hiei Int. 50 km Trail Run |
8:10:43 h | 113 |
| 2016 | ||||
| 02.07 | 80km | 6th Utsukushigahara 80 km Trail Run |
13:35:36 h | 191 |
| 2015 | ||||
| 18.10 | 73km | 6th OSJ Hyonosen Mountains Trail Race |
10:36:30 h | 81 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/4/2024 | 24. Okukumano 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 2 | 13/7/2019 | 12th OSJ Ontake 100km Ultra Trail | 100,00 | ×4 |
| ✓ 3 | 2/7/2016 | 6th Utsukushigahara 80 km Trail Run | 80,00 | ×3 |
| ✓ 4 | 15/10/2022 | 7th Gasando Trail running race | 73,00 | ×2 |
| ✓ 5 | 6/10/2019 | 5th Gasando Trail running race | 73,00 | ×2 |
| ✓ 6 | 18/10/2015 | 6th OSJ Hyonosen Mountains Trail Race | 73,00 | ×2 |
| ✓ 7 | 23/6/2019 | 6. Spatrail - Shima to Kusatsu 72K | 72,60 | ×2 |
| ✓ 8 | 27/5/2018 | 3rd Osorakan-Trail | 65,00 | ×2 |
| ✓ 9 | 4/12/2022 | 8th Kumano Old Trails | 52,00 | ×2 |
| ✓ 10 | 13/5/2017 | 3rd Mt. Hiei Int. 50 km Trail Run | 50,00 | ×2 |