Akira (村山啓) Murayama
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Born : 1995
Cat. M23 Ultrarunner since 2017
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
Japan21,1%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 244; Σ finishers = 1 156. 244 / 1 156 × 100 = 21.11%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed2
Km — ultra races172 km
Longest race100,0 km
23rd Yatsugatake Nobeyama 100 km — 21/5/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
2 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 22.02 | 72km | 3rd Daimonji 100 - 72km |
14:31:55 h | 11 |
| 2017 | ||||
| 21.05 | 100km | 23rd Yatsugatake Nobeyama 100 km |
11:49:23 h | 235 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/5/2017 | 23rd Yatsugatake Nobeyama 100 km | 100,00 | ×8 |
| ✓ 2 | 22/2/2025 | 3rd Daimonji 100 - 72km | 72,00 | ×6 |