Tatsuro (奥田達郎) Okuda
Born : 1962 Cat. M60 Ultrarunner since 2015 JPN
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
51
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
18,7%
Rank quotient ?This runner's calculation uses 50 eligible race(s): Σ(rank − 1) = 2 634; Σ finishers = 14 121. 2 634 / 14 121 × 100 = 18.65%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed50
Km — ultra races4 713 km
> 100 km3
Longest race102,0 km

Km per year (ultra races)

484
5 races
2022
684
7 races
2023
754
8 races
2024
646
7 races
2025
384
4 races
2026

Race types (share of distance)

Road100,0%

HISTORY

50 race(s)
DateRacePerf.Rk
2026
21.06 100km JPN19. Okinoshima 100km Ultra Marathon 11:56:53 h66
14.06 84.39km JPN10th JAL Mukatsuku Double Marathon 10:07:13 h139
31.05 100km JPN2nd Shimanami Surround 100km 12:13:10 h21
26.04 100km JPN2nd Suo-Oshima Ultramarathon 10:46:41 h19
2025
14.12 100km JPN6th Tobishima Ultra Marathon 11:48:30 h49
26.10 100km JPN7th Yasaka Ultra Marathon in Hamada - 100 km 12:26:11 h16
05.10 100km JPN6th Mine Akiyoshidai Geopark Ultra Marathon 12:48:09 h36
15.06 100km JPN18. Okinoshima 100km Ultra Marathon 11:25:52 h46
08.06 84.39km JPN9th JAL Mukatsuku Double Marathon 9:34:23 h103
25.05 100km JPN31th Ebisu-Daikoku 100 km Marathon 11:46:44 h152
12.04 62km JPN7th Okuizumo Ultra Orochi 60km Tooashi 6:27:46 h27
2024
08.12 100km JPN5th Tobishima Ultra Marathon 11:24:03 h53
10.11 70km JPN4th Hiba Izanami Highway Run 7:21:51 h7
20.10 100km JPN6th Yasaka Ultra Marathon in Hamada - 100 km 11:50:37 h16
06.10 100km JPN5th Mine Akiyoshidai Geopark Ultra Marathon 12:44:00 h43
16.06 100km JPN17. Okinoshima 100km Ultra Marathon 10:56:48 h32
09.06 84.39km JPN8th JAL Mukatsuku Double Marathon 9:25:46 h83
26.05 100km JPN30th Ebisu-Daikoku 100 km Marathon 12:27:12 h117
21.04 100km JPN3rd Suo-Oshima Ultra Marathon - 100 km 10:54:10 h24
2023
15.10 100km JPN5th Yasaka Ultra Marathon in Hamada - 100 km 11:34:05 h6
24.09 100km JPN4th Mine Akiyoshidai Geopark Ultra Marathon 11:50:02 h26
16.07 100km JPN3rd Yamaguchi Hagi Return 15:07:04 h24
18.06 100km JPN16. Okinoshima 100km Ultra Marathon 11:34:53 h45
11.06 84.39km JPN7th JAL Mukatsuku Double Marathon 10:46:21 h119
28.05 100km JPN29th Ebisu-Daikoku 100 km Marathon 11:33:27 h81
23.04 100km JPN2nd Suo-Oshima Ultra Marathon - 100 km 10:50:39 h19
2022
17.07 100km JPN2nd Yamaguchi Hagi Return 13:22:39 h17
19.06 100km JPN15. Okinoshima 100km Ultra Marathon 10:43:38 h24
12.06 84.39km JPN6th JAL Mukatsuku Double Marathon 9:11:47 h76
23.05 100km JPN28th Ebisu-Daikoku 100 km Marathon 11:44:23 h61
22.05 100km JPN1st Suo-Oshima Ultra Marathon - 100 km 11:29:37 h33
2021
18.07 100km JPN1st Yamaguchi Hagi Return 14:10:55 h69
2019
29.09 100km JPN3rd Yasaka Ultra Marathon in Hamada - 100 km 11:46:31 h13
15.09 88km JPN10th Akiota Yajirushi Marathon 88km 9:38:06 h33
16.06 100km JPN14. Okinoshima 100km Ultra Marathon 10:22:41 h58
09.06 84.39km JPN3rd JAL Mukatsuku Double Marathon 9:32:32 h88
12.05 100km JPN26th Ebisu-Daikoku 100 km Marathon 11:43:05 h135
13.04 102km JPN5th Okuizumo Ultra Orochi 100km Tooashi 11:03:47 h51
2018
16.09 88km JPN9th Akiota Yajirushi Marathon 88km 9:39:34 h31
10.06 84.39km JPN2nd JAL Mukatsuku Double Marathon 10:13:15 h108
2017
01.10 100km JPN1st Yasaka Ultra Marathon in Hamada - 100 km 10:51:03 h7
18.06 100km JPN12. Okinoshima 100km Ultra Marathon 9:53:17 h30
28.05 100km JPN24th Ebisu-Daikoku 100 km Marathon 10:18:21 h38
04.05 70km JPN29. Yamaguchi 100 Hagi-O-Kan Maranic 70 km 7:46:03 h19
15.04 102km JPN3rd Okuizumo Ultra Orochi 100km Tooashi 10:17:19 h16
2016
19.06 100km JPN11. Okinoshima 100km Ultra Marathon 9:57:26 h33
29.05 100km JPN23rd Ebisu-Daikoku 100 km Marathon 10:39:00 h86
16.04 102km JPN2nd Okuizumo Ultra Orochi 100km Tooashi 13:07:49 h77
2015
20.09 88km JPN6th Akiota Yajirushi Marathon 88km 10:07:13 h100
21.06 50km JPN10. Okinoshima 50km Ultra Marathon 5:40:14 h112