Akiko (岡田明子) Okada
ID 207479
Born : 1975 Cat. W50 Ultrarunner since 2008 JPN
48
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
61
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
91,1%
Rank quotient ?This runner's calculation uses 49 eligible race(s): Σ(rank − 1) = 13 450; Σ finishers = 14 767. 13 450 / 14 767 × 100 = 91.08%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed53
Km — ultra races5 527 km
> 100 km23
> 160 km5
> 200 km2
Longest race225,0 km
14th Gunma 100km Walk — 10/5/2025

Km per year (ultra races)

1 189
10 races
2022
1 428
11 races
2023
738
5 races
2024
225
1 race
2025
2026

Race types (share of distance)

Road91,8%
Trail0,9%
Stage7,3%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F4
Longest winning streak0
Current streak0

Records

50 km6h58'20100 km13h22'25100 mi32h44'53

HISTORY

51 race(s) · 4 stage(s) nested
DateRacePerf.Rk
2025
10.05 225km JPN14th Gunma 100km Walk 25:06:09 h351
2024
02.11 142km JPN6th Autumn leaves in Okumusashi / Chichibu Journey run 29:43:45 h137
13.10 50km JPN15th Echigo Kubikino 50km Ultramarathon 7:27:24 h349
23.08 101km JPN11th World Cultural Heritage "Fuji" Foot Race 16:57:55 h154
27.04 207km JPN3rd Reiheishi Michi Kyoto to Nikko - 207 km 2d 08:56:52 h8
06.04 160km JPN3rd Yagurazawa Round Trip Pre-Tournament 33:12:15 h98
30.03 78km JPN1st Modern Japanese Silk Road Journey Run - Stage 1 12:44:46 h79
2023
18.11 130km JPN1st Mito Kaido Journey run 25:57:21 h148
28.10 147km JPN5th Autumn leaves in Okumusashi / Chichibu Journey run 25:33:32 h162
15.10 75km JPN1st Mina no Tenku Ultra Marathon 11:42:45 h66
24.09 100km JPN1st Mount Akagi 100 Ultra Marathon 15:34:19 h135
18.08 101km JPN10th World Cultural Heritage "Fuji" Foot Race 16:47:07 h138
09.07 75km JPN1st Mt. Gassan Foot Ultra Marathon 11:38:21 h153
04.06 78km JPN30. Ultramarathon Okumusashi 11:36:41 h759
29.04 188km JPN2nd Reiheishi Michi Kyoto to Nikko - 188 km 3d 03:58:53 h7
15.04 160km JPN2nd Yagurazawa Round Trip Pre-Tournament 32:44:53 h45
01.04 120km JPN2nd Saitama Romantic Road Chronicle Gaiden Shinryuu 20:57:52 h24
19.03 54.2km JPN11th Arakawa Riverside Journey Stage Race - Stage 2 8:21:57 h100
11.03 200km JPN13th Little Edo Oedo 200k 35:26:40 h203
2022
29.10 146km JPN4th Autumn leaves in Okumusashi / Chichibu Journey run 25:19:38 h131
15.10 150km JPN1st Yagurazawa Round Trip Pre-Tournament 31:38:13 h74
09.10 60km JPN14th Echigo Kubikino 60km Ultramarathon 8:47:03 h321
02.10 64km JPN9th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K 10:30:06 h36
20.08 101km JPN9th World Cultural Heritage "Fuji" Foot Race 16:30:32 h101
18.06 159km JPN3rd Nikko Sennin Concentric Highway Journey Run 34:40:00 h73
05.06 78km JPN29. Ultramarathon Okumusashi 11:19:30 h767
28.04 175km JPN1st Reiheishi Michi Kyoto to Nikko - 175 km 2d 05:32:00 h9
02.04 120km JPN1st Saitama Romantic Road Chronicle Gaiden Shinryuu 20:43:36 h16
21–22.03 136km/2stages JPN10th Arakawa Riverside Journey Stage Race 20:44:00 h67
2021
30.10 146km JPN3rd Autumn leaves in Okumusashi / Chichibu Journey run 25:37:06 h239
16.10 120km JPN1st Tone River Run Up Journey Run Upstream 24:50:00 h79
03–04.04 136km/2stages JPN9th Arakawa Riverside Journey Stage Race 21:07:00 h42
2020
24.10 146km JPN2nd Autumn leaves in Okumusashi / Chichibu Journey run 25:29:14 h188
04.10 100km JPN7th Naeba-Sanroku Geopark Tsunan Ultramarathon 100K 15:41:43 h107
2019
19.10 51.4km JPN10th Inagawa 100km Ultra-Marathon 7:47:36 h504
13.10 47km JPN13th Madarao Forest Trails 50km 8:25:27 h323
09.06 100km JPN15th Iwate Ginga 100km Marathon Challenge 13:22:25 h503
02.06 100km JPN2nd Nanto 100 km Ultramarathon 14:37:21 h269
13.01 100km JPN4th Yakushima Ultramarathon 15:28:48 h157
2018
07.04 70km JPN14th Izu Oshima Ultra 70 km 9:57:28 h67
2017
11.06 100km JPN13th Iwate Ginga 100km Marathon Challenge 13:55:53 h1151
2016
09.10 100km JPN11th Echigo Kubikino 100km Ultramarathon 13:36:07 h1339
12.06 100km JPN12th Iwate Ginga 100km Marathon Challenge 13:45:38 h873
2015
04.05 55km JPN9th Nagasaki Tachibana Gulf Coast Super Maranic 55 8:08:59 h81
2013
28.07 77km JPN20. Ultramarathon Okumusashi 11:52:31 h1293
09.06 50km JPN9th Iwate Ginga 50km Marathon Challenge 7:40:58 h345
28.04 100km JPN15. Okukumano 100 km Ultramarathon 14:40:16 h222
2012
06.10 50km JPN9th Echigo Kubikino 50km Ultramarathon 7:27:39 h390
16.09 88km JPN3rd Akiota Yajirushi Marathon 88km 12:50:05 h323
2011
12.06 50km JPN7th Iwate Ginga 50km Marathon Challenge 6:58:20 h228
2008
19.10 60km JPN14th River Shimanto 60km 9:01:14 h244