Akio (太田明雄) Ota
ID 274570
Born : 1972 Cat. M50 Ultrarunner since 2012 JPN
31
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
2
Countries visited ?HKGHong KongJPNJapan
30,0%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 3 435; Σ finishers = 11 447. 3 435 / 11 447 × 100 = 30.01%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races2 703 km
> 100 km5
> 160 km1
> 24h3
Longest race167,0 km
8th Ultra-Trail Mt. Fuji (UTMF) — 21/4/2023

Km per year (ultra races)

123
2 races
2022
318
3 races
2023
2024
100
1 race
2025
100
1 race
2026

Race types (share of distance)

Road54,8%
Trail45,2%

Records

50 km5h54'05100 km10h21'4550 mi15h57'5324 h137,70 km

HISTORY

31 race(s)
DateRacePerf.Rk
2026
14.06 100km JPN14th Hida Takayama 100 km Ultramarathon 12:25:19 h611
2025
14.12 100km JPN6th Tobishima Ultra Marathon 11:58:17 h53
2023
07.10 73km JPN8th Gasando Trail running race 12:34:44 h87
18.06 78km JPN8th OSJ Yamanaka Onsen Trail Run 16:12:59 h117
21.04 167km JPN8th Ultra-Trail Mt. Fuji 37:23:55 h667
2022
06.11 50km JPN9th Nakanoto Treasure Trail Run Festival 6:04:08 h30
15.10 73km JPN7th Gasando Trail running race 10:40:20 h55
2021
07.11 50km JPN8th Nakanoto Treasure Trail Run Festival 5:54:05 h19
20.03 56km JPN24th Mt. Rocco Cannonball Run - 56 km Night Speed 7:21:22 h5
2019
03.11 50km JPN6th Nakanoto Treasure Trail Run Festival 6:19:30 h46
20.10 100km JPN8th Noto Peninsula 100 km Ultra Marathon 10:21:45 h26
06.10 73km JPN5th Gasando Trail running race 11:38:19 h56
08.09 100km JPN7th 100 km Ultramarathon Hakusan-Shirakawago 11:07:09 h67
03.08 24h JPN19th 24-hour relay & solo marathon Kobe 120.700 km54
02.06 100km JPN2nd Nanto 100 km Ultramarathon 10:26:19 h33
2018
04.11 50km JPN5th Nakanoto Treasure Trail Run Festival 6:23:50 h29
14.10 73km JPN4th Gasando Trail running race 10:52:12 h71
09.09 100km JPN6th 100 km Ultramarathon Hakusan-Shirakawago 10:31:14 h75
04.08 24h JPN18th 24-hour relay & solo marathon Kobe 137.700 km37
23.06 80km JPN4th OSJ Yamanaka Onsen Trail Run 15:57:53 h124
03.06 100km JPN1st Nanto 100 km Ultramarathon 10:55:56 h21
2017
05.11 50km JPN4th Nakanoto Treasure Trail Run Festival 6:52:47 h25
15.10 100km JPN6th Noto Peninsula 100 km Ultra Marathon 10:50:33 h56
10.09 100km JPN5th 100 km Ultramarathon Hakusan-Shirakawago 11:38:54 h124
05.08 24h JPN17th 24-hour relay & solo marathon Kobe 120.700 km40
2016
13.11 75km JPN2nd Gasando Trail running race 11:37:34 h98
11.09 100km JPN4th 100 km Ultramarathon Hakusan-Shirakawago 11:16:28 h82
28.05 103km JPN5th Tojinbo 103 km Ultramarathon 11:58:14 h30
2015
17.05 73km JPN1st Gasando Trail running race 9:23:12 h66
2012
27.10 50km HKG2nd MSIG HK50 9:15:38 h235
18.02 100km HKG2nd Hong Kong 100 Ultra Trail Race 25:04:42 h427