Yutaro (川満雄太郎) Kawamitsu
ID 2251986
Born : 1991 Cat. M35 Ultrarunner since 2024 JPN
5
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
80,3%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 647; Σ finishers = 806. 647 / 806 × 100 = 80.27%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed5
Km — ultra races466 km
> 100 km2
Longest race101,0 km
4th Kumagawa Revival Trail — 15/11/2025

Km per year (ultra races)

2022
2023
265
3 races
2024
101
1 race
2025
100
1 race
2026

Race types (share of distance)

Road42,9%
Trail57,1%

Records

100 km12h46'52

HISTORY

5 race(s)
DateRacePerf.Rk
2026
24.01 100km JPN36th Miyako 100 km Ultramarathon 12:53:46 h171
2025
15.11 101km JPN4th Kumagawa Revival Trail 22:51:21 h66
2024
16.11 101km JPN3rd Kumagawa Revival Trail 26:15:20 h129
01.06 64km JPN7th Mizukami Mountain Party 13:46:23 h122
21.01 100km JPN34th Miyako 100 km Ultramarathon 12:46:52 h164