Shinji (古市慎治) Furuichi
Born : 1964 Cat. M60 Ultrarunner since 2020 JPN
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
48
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
66,4%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 7 878; Σ finishers = 11 856. 7 878 / 11 856 × 100 = 66.45%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 601 km
> 100 km11
> 160 km1
Longest race160,9 km

Km per year (ultra races)

644
6 races
2022
510
5 races
2023
674
6 races
2024
100
1 race
2025
205
2 races
2026

Race types (share of distance)

Road60,8%
Trail8,5%
Ult.Walk30,7%

HISTORY

25 race(s)
DateRacePerf.Rk
2026
28.03 100km JPN2nd Tokyo Story Ultra Walking 24:37:53 h136
21.02 105km JPN1st Lake Hamana and the Enshu Tokaido Ultra 24:53:10 h155
2025
03.05 100km JPN7th Sunny Okayama 100km 23:20:02 h512
2024
19.10 100mi JPN10th Lake Biwa Charity 100mi Walking Tournament 26:39:45 h406
12.10 100km JPN26th Yukihashi to Beppu 100 km 25:01:53 h2543
08.06 110km JPN2nd Awaji Island Round Ultra 26:03:39 h99
03.05 100km JPN6th Sunny Okayama 100km 23:27:29 h511
06.04 103km JPN7th Ultra Walking around Lake Biwa 21:30:07 h97
13.01 100km JPN1st Nara Mahoroba Ultra Walking 24:26:52 h139
2023
14.10 100km JPN9th Lake Biwa Charity 100km Walking Tournament 23:10:38 h159
07.10 100km JPN25th Yukihashi to Beppu 100 km 22:45:39 h1377
16.09 100km JPN9th Nishi Seto Expressway Ultra Run 28:17:49 h228
03.05 100km JPN5th Sunny Okayama 100km 21:34:42 h232
11.02 110km JPN1st Awaji Island Round Ultra 25:35:20 h128
2022
26.11 110km JPN1st Kyoto Ultra Walking 110km 26:22:49 h142
29.10 104km JPN3rd Shodoshima Round Ultra Run 21:42:54 h72
15.10 100km JPN5th Nakasendo to Kisoji Ultra Run 29:35:10 h188
17.09 80km JPN8th Nishi Seto Expressway Ultra Run 17:27:35 h162
11.06 125km JPN6th Fujisan Issyu Walking 28:23:23 h106
21.05 125km JPN2nd Sengoku Crossroads Ultra Run 23:44:11 h45
2021
04.12 80km JPN7th Nishi Seto Expressway Ultra Run 17:20:48 h92
30.10 104km JPN2nd Shodoshima Round Ultra Run 21:22:49 h48
16.10 100km JPN4th Nakasendo to Kisoji Ultra Run 28:41:12 h155
2020
31.10 104km JPN1st Shodoshima Round Ultra Run 22:03:13 h84
20.09 80km JPN6th Nishi Seto Expressway Ultra Run 16:21:35 h87