Yutaka (森山豊) Moriyama
ID 1443166
Born : 1972 Cat. M50 Ultrarunner since 2020 JPN
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
22,0%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 216; Σ finishers = 981. 216 / 981 × 100 = 22.02%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed7
Km — ultra races883 km
> 100 km3
> 160 km3
Longest race160,9 km
3rd Miyakojima Ultra 100 Miles — 6/6/2026

Km per year (ultra races)

2022
100
1 race
2023
161
1 race
2024
261
2 races
2025
261
2 races
2026

Race types (share of distance)

Road100,0%

Records

100 km10h07'30100 mi27h46'44

HISTORY

7 race(s)
DateRacePerf.Rk
2026
06.06 100mi JPN3rd Miyakojima Ultra 100 Miles 27:46:44 h33
24.01 100km JPN36th Miyako 100 km Ultramarathon 10:47:58 h40
2025
07.06 100mi JPN2nd Miyakojima Ultra 100 Miles 29:24:27 h21
26.01 100km JPN35th Miyako 100 km Ultramarathon 10:37:45 h21
2024
08.06 100mi JPN1st Miyakojima Ultra 100 Miles 27:59:18 h12
2023
22.01 100km JPN33th Miyako 100 km Ultramarathon 10:07:30 h20
2020
19.01 100km JPN30th Miyako 100 km Ultramarathon 10:56:15 h76