Tomomi (吉野智己) Yoshino
ID 2109634
Ultrarunner since 2023 JPN
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
38,0%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 1 844; Σ finishers = 4 858. 1 844 / 4 858 × 100 = 37.96%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 774 km
> 100 km15
> 160 km2
Longest race200,0 km
9th Ultra Walking around Lake Biwa — 2/5/2026

Km per year (ultra races)

2022
400
4 races
2023
1 162
11 races
2024
635
5 races
2025
577
5 races
2026

Race types (share of distance)

Road34,2%
Trail11,4%
Ult.Walk54,4%

Records

50 km8h22'56100 km21h47'23

HISTORY

25 race(s)
DateRacePerf.Rk
2026
06.06 125km JPN10th Fujisan Issyu Walking 26:28:07 h206
16.05 102km JPN5th Kobe Akashi Ultra Marathon 20:41:32 h58
02.05 200km JPN9th Ultra Walking around Lake Biwa 47:31:18 h93
07.03 100km JPN6th Nihondaira and Suruganokuni Ultra Run 21:51:31 h54
14.02 50km JPN1st One-day 50km Ultra tour in the Chubu region 8:22:56 h35
2025
23.08 100km JPN1st Summer Karuizawa and Joshu Nakasendo Ultra Walking 25:36:27 h105
21.06 110km JPN3rd Awaji Island Round Ultra 25:31:25 h86
07.06 125km JPN9th Fujisan Issyu Walking 25:58:34 h139
03.05 200km JPN8th Ultra Walking around Lake Biwa 46:44:46 h72
01.02 100km JPN5th Nihondaira and Suruganokuni Ultra Run 23:43:43 h75
2024
23.11 103km JPN3rd Kyoto Ultra Walking 110km 20:52:30 h47
26.10 104km JPN5th Shodoshima Round Ultra Run 20:43:02 h37
12.10 100km JPN7th Nakasendo to Kisoji Ultra Run 24:00:15 h48
14.09 100km JPN10th Nishi Seto Expressway Ultra Run 23:13:29 h93
03.08 105km JPN1st Shinshu Nakasendo 12 Stations Ultra Race 25:00:25 h65
13.07 105km JPN4th Nihondaira and Suruganokuni Ultra Run 23:25:03 h30
29.06 100km JPN6th Hakone Kodo Ultra Walking 22:39:13 h59
25.05 125km JPN8th Fujisan Issyu Walking 23:54:00 h59
27.04 102km JPN3rd Miura-Halbinsel-Tour Ultra Walking 18:25:39 h23
06.04 103km JPN7th Ultra Walking around Lake Biwa 19:49:22 h56
23.03 115km JPN7th Lake Kasumigaura Ultra Run 24:58:08 h65
2023
18.11 100km JPN1st Owari Mikawa Ultra Walking 21:47:23 h51
14.10 100km JPN6th Nakasendo to Kisoji Ultra Run 28:44:54 h129
16.09 75km JPN9th Nishi Seto Expressway Ultra Run 18:53:15 h90
10.06 125km JPN7th Fujisan Issyu Walking 26:29:05 h94