Yasufumi (森脇康文) Moriwaki
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Born : 1975
Cat. M50 Ultrarunner since 2018
7
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
Japan93,1%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 3 256; Σ finishers = 3 497. 3 256 / 3 497 × 100 = 93.11%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races588 km
> 100 km1
> 160 km1
Longest race160,9 km
2nd bambi 100 — 7/10/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road17,0%
Trail83,0%
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 31.05 | 100km | 1st Nara Ultra Marathon |
14:31:28 h | 2184 |
| 2023 | ||||
| 07.10 | 100mi | 2nd bambi 100 |
39:49:00 h | 35 |
| 2019 | ||||
| 20.10 | 57.8km | 3rd Kohechi Trail Journey |
11:13:42 h | 73 |
| 13.07 | 100km | 12th OSJ Ontake 100km Ultra Trail |
18:30:19 h | 758 |
| 2018 | ||||
| 14.10 | 57.8km | 2nd Kohechi Trail Journey |
11:44:19 h | 101 |
| 20.05 | 55.7km | 5th Kobo Trail 2018 |
11:48:57 h | 50 |
| 24.03 | 56km | 18th Mt. Rocco Cannonball Run - 56 km Night Speed |
10:20:00 h | 62 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/10/2023 | 2nd bambi 100 | 160,93 | ×7 |
| ✓ 2 | 31/5/2026 | 1st Nara Ultra Marathon | 100,00 | ×4 |
| ✓ 3 | 13/7/2019 | 12th OSJ Ontake 100km Ultra Trail | 100,00 | ×4 |
| ✓ 4 | 20/10/2019 | 3rd Kohechi Trail Journey | 57,80 | ×2 |
| ✓ 5 | 14/10/2018 | 2nd Kohechi Trail Journey | 57,80 | ×2 |
| ✓ 6 | 24/3/2018 | 18th Mt. Rocco Cannonball Run - 56 km Night Speed | 56,00 | ×2 |
| ✓ 7 | 20/5/2018 | 5th Kobo Trail 2018 | 55,70 | ×2 |