Akio (上野暁生) Ueno
ID 410143
Born : 1972 Cat. M50 Ultrarunner since 2013 JPN
39
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 ?FRAFranceJPNJapanNZLNew Zealand
20,7%
Rank quotient ?This runner's calculation uses 39 eligible race(s): Σ(rank − 1) = 5 559; Σ finishers = 26 843. 5 559 / 26 843 × 100 = 20.71%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed39
Km — ultra races5 301 km
> 100 km21
> 160 km14
> 200 km5
> 24h4
> 48h1
Longest race513,0 km
17th River Road Foot Race 513 km — 30/4/2022

Km per year (ultra races)

1 034
4 races
2022
2023
2024
2025
2026

Race types (share of distance)

Road21,7%
Trail59,2%
Elim.19,1%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 36
🏅 Top 3 M7
Longest winning streak1
Current streak0

Records

50 km6h02'34100 km9h18'2950 mi10h46'05100 mi19h51'13Backyard43 loops

HISTORY

39 race(s)
DateRacePerf.Rk
2022
16.07 100mi JPN14th OSJ Ontake 100 Mile Ultra Trail 20:05:27 h10
25.06 160km JPN1st Deep Japan Ultra 100 - 160 km 34:46:57 h3 🥉
30.04 513km JPN17th River Road Foot Race 513 km 3d 14:17:45 h3 🥉
09.01 200km JPN2nd Japan Trophy 200 23:38:00 h17
2021
20.11 Backyard Ultra JPN2nd Last Samurai Standing Backyard Ultra - Tokyo 214.592 km (32h)7
2020
20.11 Backyard Ultra JPN1st Last Samurai Standing Backyard Ultra - Tokyo 234.710 km (35h)6
17.10 Backyard Ultra JPN1st Backyard Ultra World Team Championships - Japan 288.358 km (43h)1 🏆
08.02 Backyard Ultra JPN1st Last Samurai Standing Backyard Ultra - Tokyo 274.946 km (41h)2 🥈
2019
30.08 171km FRA17ème Ultra Trail Tour du Mont Blanc 34:31:55 h269
13.07 100km JPN12th OSJ Ontake 100km Ultra Trail 13:55:50 h204
09.02 100mi NZL2nd Tarawera 100 Mile Endurance Run 19:51:13 h4
2018
17.11 106km JPN4th FunTrails100K Round 16:41:28 h8
06.10 100mi JPN5th OSJ Koumi 100 26:31:55 h2 🥈
15.09 100mi JPN10th Shinetsu Five Mountains Trail 100 mile 24:13:50 h31
2017
03.09 49.6km JPN6th Trainic world Ogose-Tokigawa Trail Run 50km 6:02:34 h3 🥉
29.07 102km JPN1st OSJ Itamuro 100 16:32:59 h9
23.04 118km JPN27th Fuji 5 Lakes 118 km Challenge 10:46:29 h14
2016
11.12 71.7km JPN3rd Izu Trail Journey 9:06:22 h54
08.10 100mi JPN3rd OSJ Koumi 100 27:57:35 h8
16.07 65km JPN7th Nozawa Onsen 4100D Mountain Trail 10:17:16 h60
12.06 50km JPN3rd Trainic world Hanno-Ogose Trail Run 50km 7:23:19 h4
22.05 100km JPN22nd Yatsugatake Nobeyama 100 km 13:48:10 h1195
24.04 118km JPN26th Fuji 5 Lakes 118 km Challenge 13:38:07 h249
2015
31.10 71.5km JPN23rd Hasetsune Cup - Japan Mountain Endurance Race 9:55:32 h96
28.08 170km FRA13ème Ultra Trail Tour du Mont Blanc 36:32:36 h366
19.07 118km JPN2nd SkyView Ultra-Trail - Yamada Noboru Memorial Cup 20:44:31 h16
28.06 72.7km JPN2. Spatrail - Shima to Kusatsu 8:45:08 h25
17.05 100km JPN21st Yatsugatake Nobeyama 100 km 9:18:29 h30
15.03 72km JPN2nd Izu Trail Journey 9:14:11 h77
2014
12.10 71.5km JPN22nd Hasetsune Cup - Japan Mountain Endurance Race 10:41:03 h166
20.09 120km JPN1st SkyView Ultra-Trail - Yamada Noboru Memorial Cup 22:14:05 h63
15.06 81.4km JPN1. Spatrail - Shima to Kusatsu 10:46:05 h63
18.05 100km JPN20th Yatsugatake Nobeyama 100 km 11:38:00 h248
2013
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 12:13:25 h296
29.09 50km JPN3rd SkyView Ultra-Trail 8:31:59 h110
07.09 100mi JPN2nd OSJ Yatsugatake Super Trail 100 miles race 31:55:10 h118
30.06 100km road race JPN28. Lake Saroma 100 km Ultramarathon 10:51:51 h580
19.05 100km JPN19th Yatsugatake Nobeyama 100 km 13:19:09 h714
21.04 100km JPN23rd Fuji 5 Lakes 100 km Challenge 13:24:42 h467