Yasuhiro (小沢康広) Ozawa
ID 72011
Born : 1958 Cat. M65 Ultrarunner since 2004 JPN
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
62
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
8,4%
Rank quotient ?This runner's calculation uses 50 eligible race(s): Σ(rank − 1) = 4 529; Σ finishers = 54 144. 4 529 / 54 144 × 100 = 8.36%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed50
Km — ultra races5 624 km
> 100 km8
> 160 km6
> 200 km5
Longest race250,0 km
26. Yamaguchi 100 Hagi-O-Kan Maranic 250 km — 2/5/2014

Km per year (ultra races)

100
1 race
2022
100
1 race
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

100 km8h04'10

HISTORY

50 race(s)
DateRacePerf.Rk
2023
25.06 100km JPN38. Lake Saroma 100 km Ultramarathon 11:38:29 h817
2022
09.10 100km JPN14th Echigo Kubikino 100km Ultramarathon 11:32:42 h252
2019
02.06 78km JPN26. Ultramarathon Okumusashi 9:49:23 h796
2017
15.10 100km JPN23rd River Shimanto 100km 10:16:05 h177
25.06 100km JPN32. Lake Saroma 100 km Ultramarathon 8:41:20 h93
04.06 78km JPN24. Ultramarathon Okumusashi 8:08:57 h232
2016
09.10 100km JPN11th Echigo Kubikino 100km Ultramarathon 9:38:44 h81
26.06 100km JPN31. Lake Saroma 100 km Ultramarathon 9:12:23 h216
05.06 78km JPN23. Ultramarathon Okumusashi 8:09:51 h284
2015
28.06 100km JPN30. Lake Saroma 100 km Ultramarathon 8:39:27 h121
04.05 173km JPN9th Nagasaki Tachibana Gulf Coast Super Maranic 173 26:02:36 h40
2014
19.10 100km JPN20th River Shimanto 100km 8:49:39 h33
14.09 100km JPN14th Tango 100 km Ultramarathon 9:26:41 h69
27.07 77km JPN21. Ultramarathon Okumusashi 8:08:39 h107
29.06 100km JPN29. Lake Saroma 100 km Ultramarathon 8:30:16 h47
08.06 100km JPN3rd Hida Takayama 100 km Ultramarathon 9:19:12 h28
02.05 250km JPN26. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 41:00:16 h45
2013
20.10 100km JPN19th River Shimanto 100km 8:16:28 h17
15.09 100km JPN13th Tango 100 km Ultramarathon 9:16:13 h43
11.08 100km JPN3rd North Okhotsk 100 km Marathon 8:24:13 h8
28.07 77km JPN20. Ultramarathon Okumusashi 7:01:59 h61
07.07 8h JPN19th 8-Hour Endurance Race Tokorozawa 61.674 km33
09.06 100km JPN2nd Hida Takayama 100 km Ultramarathon 9:19:32 h30
2012
21.10 100km JPN18th River Shimanto 100km 8:28:37 h17
23.09 100km JPN22. Akita Nairiku 100km Marathon 8:25:53 h15
05.08 77km JPN19. Ultramarathon Okumusashi 7:15:01 h61
24.06 100km road race JPN27. Lake Saroma 100 km Ultramarathon 8:04:10 h34
02.05 250km JPN24. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 44:53:23 h88
2011
16.10 100km JPN17th River Shimanto 100km 8:25:28 h18
18.09 100km JPN11th Tango 100 km Ultramarathon 9:25:39 h26
07.08 77km JPN18. Ultramarathon Okumusashi 7:03:03 h58
26.06 100km road race JPN26. Lake Saroma 100 km Ultramarathon 8:27:44 h57
02.05 250km JPN23. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 41:07:48 h33
2010
17.10 100km JPN16th River Shimanto 100km 8:29:09 h22
01.08 77km JPN17. Ultramarathon Okumusashi 7:06:43 h46
27.06 100km JPN25. Lake Saroma 100 km Ultramarathon 8:37:48 h58
2009
18.10 100km JPN15th River Shimanto 100km 8:41:35 h23
02.05 250km JPN21. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 37:15:14 h15
2008
11.10 100km JPN7th Echigo Kubikino 100km Ultramarathon 8:46:06 h16
14.09 100km JPN8th Tango 100 km Ultramarathon 9:34:11 h27
02.05 250km JPN20. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 43:18:02 h66
2007
16.09 100km JPN7th Tango 100 km Ultramarathon 9:30:46 h17
24.06 100km JPN22. Lake Saroma 100 km Ultramarathon 8:34:03 h65
03.05 140km JPN19. Yamaguchi 100 Hagi-O-Kan Maranic 140 km 15:50:05 h2 🥈
2006
09.10 100km JPN6th Echigo Kubikino 100km Ultramarathon 9:11:40 h19
25.06 100km JPN21. Lake Saroma 100 km Ultramarathon 8:47:03 h59
03.05 140km JPN18. Yamaguchi 100 Hagi-O-Kan Maranic 140 km 16:45:51 h7
2005
26.06 100km JPNOpen Race at IAU 100km WC Yubetsu (20. Lake Saroma 100 km Ultramarathon) 8:57:05 h81
04.05 70km JPN17. Yamaguchi 100 Hagi-O-Kan Maranic 70 km 7:38:42 h4
2004
04.05 70km JPN16. Yamaguchi 100 Hagi-O-Kan Maranic 70 km 7:56:26 h15