Masayuki (峯松正幸) Minematsu
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Born : 1973
Cat. M50 Ultrarunner since 2014
9
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
Japan29,6%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 808; Σ finishers = 2 732. 808 / 2 732 × 100 = 29.58%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races638 km
> 100 km1
Longest race108,7 km
2nd Aso Round Trail — 12/5/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road15,7%
Trail84,3%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 10.08 | 50km | 4th Yacchiro Dragon Trail |
10:24:16 h | 60 |
| 07.06 | 53km | 8th Mizukami Mountain Party |
10:45:20 h | 80 |
| 2019 | ||||
| 01.09 | 64km | 3rd Mizukami Mountain Party |
11:31:01 h | 34 |
| 2018 | ||||
| 26.08 | 64km | 2nd Mizukami Mountain Party |
12:51:24 h | 33 |
| 21.07 | 67.5km | 6th Kirishima Ebino-kougen Extreme Trail |
9:33:09 h | 36 |
| 12.05 | 108.7km | 2nd Aso Round Trail |
20:44:17 h | 62 |
| 2017 | ||||
| 23.07 | 67.5km | 5th Kirishima Ebino-kougen Extreme Trail |
10:17:23 h | 72 |
| 2014 | ||||
| 20.07 | 63km | 2nd Kirishima Ebino-kougen Extreme Trail |
9:37:00 h | 64 |
| 07.06 | 100km | 24th Aso Caldera Super Marathon 100 km |
12:03:45 h | 376 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/5/2018 | 2nd Aso Round Trail | 108,70 | ×4 |
| ✓ 2 | 7/6/2014 | 24th Aso Caldera Super Marathon 100 km | 100,00 | ×4 |
| ✓ 3 | 21/7/2018 | 6th Kirishima Ebino-kougen Extreme Trail | 67,50 | ×3 |
| ✓ 4 | 23/7/2017 | 5th Kirishima Ebino-kougen Extreme Trail | 67,50 | ×3 |
| ✓ 5 | 1/9/2019 | 3rd Mizukami Mountain Party | 64,00 | ×2 |
| ✓ 6 | 26/8/2018 | 2nd Mizukami Mountain Party | 64,00 | ×2 |
| ✓ 7 | 20/7/2014 | 2nd Kirishima Ebino-kougen Extreme Trail | 63,00 | ×2 |
| ✓ 8 | 7/6/2025 | 8th Mizukami Mountain Party | 53,00 | ×2 |
| ✓ 9 | 10/8/2025 | 4th Yacchiro Dragon Trail | 50,00 | ×2 |