Masami (大橋正巳) Ohashi
ID 371735
Born : 1954 Cat. M70 Ultrarunner since 2012 JPN
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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
45,2%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 1 411; Σ finishers = 3 125. 1 411 / 3 125 × 100 = 45.15%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed7
Km — ultra races439 km
Longest race66,0 km
20th Muraoka 66 km Ultra Marathon — 24/9/2017

Km per year (ultra races)

45
1 race
2022
2023
2024
64
1 race
2025
2026

Race types (share of distance)

Road100,0%

Records

No record for a classic ultra format

HISTORY

7 race(s)
DateRacePerf.Rk
2025
28.09 64km JPN28th Muraoka 64 km Ultra Marathon 8:46:07 h432
2022
29.09 45km JPN25th Muraoka 45 km Ultra Marathon 6:03:50 h593
2017
24.09 66km JPN20th Muraoka 66 km Ultra Marathon 8:44:46 h97
2015
27.09 66km JPN18th Muraoka 66 km Ultra Marathon 8:39:55 h74
2014
28.09 66km JPN17th Muraoka 66 km Ultra Marathon 8:10:21 h56
2013
29.09 66km JPN16th Muraoka 66 km Ultra Marathon 8:29:55 h98
2012
30.09 66km JPN15th Muraoka 66 km Ultra Marathon 8:38:26 h68