Tamio (松原民雄) Matsubara
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Born : 1968
Cat. M55 Ultrarunner since 2015
2
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
12
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
Japan7,1%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 113; Σ finishers = 1 590. 113 / 1 590 × 100 = 7.11%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed2
Km — ultra races153 km
Longest race100,0 km
3rd Tokyo Shibamata 100 km — 6/6/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road65,4%
Trail34,6%
Records
HISTORY
2 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 16.06 | 53km | 5th Echigo Country Trail |
6:47:01 h | 41 |
| 2015 | ||||
| 06.06 | 100km | 3rd Tokyo Shibamata 100 km |
9:27:08 h | 74 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/6/2015 | 3rd Tokyo Shibamata 100 km | 100,00 | ×8 |
| ✓ 2 | 16/6/2019 | 5th Echigo Country Trail | 53,00 | ×4 |