Susumu (吉成進) Yoshinari
ID 31609
Born : 1958 Cat. M65 Ultrarunner since 2002 JPN
52
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
64
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
3
Countries visited ?GREGreeceJPNJapanMARMorocco
34,4%
Rank quotient ?This runner's calculation uses 55 eligible race(s): Σ(rank − 1) = 7 982; Σ finishers = 23 197. 7 982 / 23 197 × 100 = 34.41%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed60
Km — ultra races6 028 km
> 100 km15
> 160 km11
> 200 km3
> 24h13
Longest race245,3 km
25. Spartathlon — 28/9/2007

Km per year (ultra races)

2022
2023
63
1 race
2024
2025
63
1 race
2026

Race types (share of distance)

Road67,0%
Trail29,0%
Stage4,1%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak0

Records

100 km9h56'1850 mi8h08'5124 h209,96 km

HISTORY

55 race(s)
DateRacePerf.Rk
2026
30.05 63km JPN10th Yokosuka Miura 63km Michikusa Ultra Marathon 8:25:20 h50
2024
25.05 63km JPN8th Yokosuka Miura 63km Michikusa Ultra Marathon A 11:48:10 h257
2017
01.07 8h JPN23rd 8-Hour Endurance Race Tokorozawa 55.182 km201
10.06 24h JPN16. Green Charity Marathon Tokyo - Hard Run 24H 145.348 km25
21.05 100km JPN23rd Yatsugatake Nobeyama 100 km 13:37:19 h782
08.04 70km JPN12th Toda Saiko 70 km 8:04:33 h400
2016
24.09 24h JPN19. Hiratsuka 24 hour race 164.350 km13
18.06 24h JPN15. Green Charity Marathon Tokyo - Hard Run 24H 152.866 km18
22.05 100km JPN22nd Yatsugatake Nobeyama 100 km 12:58:20 h690
2015
12.09 24h JPN14. Green Charity Marathon Tokyo - Hard Run 24H 196.300 km1 🏆
12.07 8h JPN21st 8-Hour Endurance Race Tokorozawa 69.153 km28
17.05 100km JPN21st Yatsugatake Nobeyama 100 km 12:09:04 h433
2014
21.06 24h JPN13. Tokyo Challenge 24 hours 181.300 km13
18.05 100km JPN20th Yatsugatake Nobeyama 100 km 11:51:43 h309
06.04 52km JPN65. Tsurunuma 52 km 5:19:52 h12
2013
15.06 24h JPN12. Tokyo Challenge 24 hours 153.120 km20
19.05 100km JPN19th Yatsugatake Nobeyama 100 km 12:11:16 h343
2012
07.10 24h JPN7th Jingu Gaien 24 Hour Challenge 169.964 km41
16.06 24h JPN11. Tokyo Challenge 24 hours 169.040 km15
20.05 100km JPN18th Yatsugatake Nobeyama 100 km 12:33:15 h378
01.04 52km JPN61. Tsurunuma 52 km 4:58:37 h8
2011
25.09 100km JPN21. Akita Nairiku 100km Marathon 10:58:32 h150
10.07 8h JPN17th 8-Hour Endurance Race Tokorozawa 61.674 km52
11.06 24h JPN10. Tokyo Challenge 24 hours 175.623 km13
2010
26.09 100km JPN20. Akita Nairiku 100km Marathon 10:44:49 h136
29.08 52km JPN58. Tsurunuma 52 km 5:54:25 h36
19.06 24h JPN9. Tokyo Challenge 24 hours 159.390 km14
16.05 100km JPN16th Yatsugatake Nobeyama 100 km 12:54:41 h517
02.04 245km/6stages MAR25. Marathon des Sables 2d 14:36:13 h813
2009
27.09 100km JPN19. Akita Nairiku 100km Marathon 9:56:18 h82
30.08 52km JPN56. Tsurunuma 52 km 4:59:25 h35
05.07 8h JPN15th 8-Hour Endurance Race Tokorozawa 74.658 km33
13.06 24h JPN8. Tokyo Challenge 24 hours 197.490 km4
17.05 100km JPN15th Yatsugatake Nobeyama 100 km 11:19:06 h119
05.04 52km JPN55. Tsurunuma 52 km 4:55:08 h13
2008
08.11 24h JPN24th Tokyo Gakugei University 24-hour experimental run 209.955 km2 🥈
28.09 100km JPN18. Akita Nairiku 100km Marathon 10:15:37 h108
06.07 8h JPN14th 8-Hour Endurance Race Tokorozawa 68.166 km33
14.06 24h JPN7. Tokyo Challenge 24 hours 198.360 km5
18.05 100km JPN14th Yatsugatake Nobeyama 100 km 11:02:45 h93
06.04 52km JPN53. Tsurunuma 52 km 4:56:25 h15
2007
28.09 245.3km GRE25. Spartathlon 35:36:24 h103
26.08 52km JPN52. Tsurunuma 52 km 5:35:40 h43
01.07 8h JPN13th 8-Hour Endurance Race Tokorozawa 74.750 km24
20.05 100km JPN13th Yatsugatake Nobeyama 100 km 11:30:12 h142
28.04 100km JPN17th Fuji 5 Lakes 100 km Challenge 11:14:34 h88
01.04 100km JPN51. Tsurunuma 100 km 10:22:08 h16
2006
02.07 8h JPN12th 8-Hour Endurance Race Tokorozawa 69.300 km33
21.05 100km JPN12th Yatsugatake Nobeyama 100 km 12:47:49 h281
08.04 80km JPN1st Toda Saiko 80 km 8:08:51 h23
2005
22.05 100km JPN11th Yatsugatake Nobeyama 100 km 12:59:43 h265
2004
16.05 100km JPN10th Yatsugatake Nobeyama 100 km 12:13:04 h162
04.04 52km JPN45. Tsurunuma 52 km 4:52:32 h18
2003
11.05 100km JPN9th Yatsugatake Nobeyama 100 km 12:34:09 h236
2002
12.05 100km JPN8th Yatsugatake Nobeyama 100 km 12:56:31 h293