Masataka (梅本昌敬) Umemoto
Born : 1983 Cat. M40 Ultrarunner since 2023 JPN
22
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
38
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 ?JPNJapan
11,1%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 1 759; Σ finishers = 15 784. 1 759 / 15 784 × 100 = 11.14%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed22
Km — ultra races1 927 km
> 100 km7
> 160 km2
Longest race167,0 km

Km per year (ultra races)

2022
301
5 races
2023
725
8 races
2024
414
5 races
2025
487
4 races
2026

Race types (share of distance)

Road18,9%
Trail81,1%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0