Masamichi (行正政通) Yukimasa
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Born : 1972
Cat. M50 Ultrarunner since 2000
4
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
16
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
Japan60,1%
Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 756; Σ finishers = 1 257. 756 / 1 257 × 100 = 60.14%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed4
Km — ultra races320 km
Longest race100,0 km
5th Nichinan Orochi 100 km Marathon — 26/6/2005
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road37,5%
Trail62,5%
Records
HISTORY
4 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2010 | ||||
| 17.10 | 60km | 16th River Shimanto 60km |
7:28:20 h | 144 |
| 2005 | ||||
| 26.06 | 100km | 5th Nichinan Orochi 100 km Marathon |
13:24:45 h | 205 |
| 2004 | ||||
| 20.06 | 100km | 4th Nichinan Orochi 100 km Marathon |
13:34:08 h | 220 |
| 2000 | ||||
| 15.10 | 60km | 7th River Shimanto 60km |
8:28:30 h | 191 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 26/6/2005 | 5th Nichinan Orochi 100 km Marathon | 100,00 | ×6 |
| ✓ 2 | 20/6/2004 | 4th Nichinan Orochi 100 km Marathon | 100,00 | ×6 |
| ✓ 3 | 17/10/2010 | 16th River Shimanto 60km | 60,00 | ×3 |
| ✓ 4 | 15/10/2000 | 7th River Shimanto 60km | 60,00 | ×3 |