Tomoko (上野朋子) Ueno
Born : 1983 Cat. W40 Ultrarunner since 2010 JPN
41
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
4
Countries visited ?CANCanadaJPNJapanNZLNew ZealandUSAUnited States
29,8%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 4 669; Σ finishers = 15 670. 4 669 / 15 670 × 100 = 29.80%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed46
Km — ultra races3 077 km
> 100 km7
> 160 km2
> 200 km1
Longest race273,6 km

Km per year (ultra races)

284
4 races
2022
121
2 races
2023
52
1 race
2024
214
2 races
2025
52
1 race
2026

Race types (share of distance)

Road2,3%
Trail88,8%
Stage8,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F3
🏅 Top 30
🏅 Top 3 F8
Longest winning streak0
Current streak0

HISTORY

41 race(s)
DateRacePerf.Rk
2026
06.06 52.4km JPN6th Okushinano 100 - 50 km 7:20:06 h66
2025
14.09 112.7km JPN17th Shinetsu Five Mountains Trail 110km 20:47:58 h160
07.06 100.8km JPN5th Okushinano 100 16:12:51 h134
2024
08.06 52.4km JPN4th Okushinano 100 - 50 km 7:28:09 h66
2023
22.10 51km JPN1st Great Ryozen Mountain 8:47:02 h111
01.10 70km JPN8th Okumikawa Power Trail 12:40:27 h98
2022
18.09 109km JPN14th Shinetsu Five Mountains Trail 110km 20:13:29 h132
24.07 60km JPN10th Kirishima Ebino-kougen Extreme Trail 11:56:05 h203
25.06 70km JPN1st Deep Japan Ultra 100 - 70 km 14:00:24 h5
27.05 45km JPN1st Karuizawa Trail Running Race 6:40:19 h50
2021
25.09 54km JPN8th Shigakogen Extreme Trail 8:58:52 h56
2020
14.11 100Miles JPN2nd Sengenyama 100 34:44:00 h22
2019
08.12 71.7km JPN6th Izu Trail Journey 9:04:09 h192
13.10 47km JPN13th Madarao Forest Trails 50km 6:01:32 h68
28.07 70km JPN7th Mt. Taisetsu Trail Journey 11:51:11 h76
23.06 55.9km JPN6. Spatrail - Shima to Kusatsu 56K 7:24:16 h22
2018
23.09 170mi/6stages USA7th Grand to Grand Ultra 2d 05:16:16 h47
20.05 71km JPN24th Yatsugatake Nobeyama 71 km 8:16:50 h35
2017
21.10 54km JPN4th Shigakogen Extreme Trail 9:55:49 h53
17.09 52km JPN9th Shinetsu Five Mountains Trail 110km 6:30:33 h123
12.08 50mi CAN8th Iron Legs 50 Mile Mountain Race 15:13:41 h13
18.06 53km JPN3rd Echigo Country Trail 6:57:13 h46
2016
02.10 50km JPN10th Madarao Forest Trails 50km 5:29:07 h41
18.09 110km JPN8th Shinetsu Five Mountains Trail 110km 13:37:26 h44
06.08 50mi USA12th HURL Elkhorn 50 Mile Endurance Run 14:39:14 h13
2015
04.10 50km JPN9th Madarao Forest Trails 50km 5:53:11 h55
22.09 110km JPN7th Shinetsu Five Mountains Trail 110km 15:23:42 h83
25.07 50mi USA23rd White River 50 Mile Trail Run 10:36:50 h130
2014
09.11 50km JPN6th Kanna Mountain Run 7:15:12 h16
05.10 50km JPN8th Madarao Forest Trails 50km 5:48:08 h63
26.07 50mi USA22nd White River 50 Mile Trail Run 11:15:05 h132
2013
06.10 50km JPN7th Madarao Forest Trails 50km 7:32:14 h184
27.07 50mi USA21st White River 50 Mile Trail Run 10:05:29 h90
13.07 65km JPN4th Nozawa Onsen 4100D Mountain Trail 9:05:58 h45
2012
01.12 60km NZL25th Kepler Challenge Mountain Run 7:10:25 h107
07.10 50km JPN6th Madarao Forest Trails 50km 7:53:06 h262
2011
09.10 71.5km JPN19th Hasetsune Cup - Japan Mountain Endurance Race 14:14:29 h485
17.07 100km JPN4th OSJ Ontake 100km Ultra Trail 15:17:28 h185
03.07 50km JPN3rd OSJ Shiga Kogen Trail 50K 8:49:03 h81
2010
10.10 71.5km JPN18th Hasetsune Cup - Japan Mountain Endurance Race 17:19:41 h761
04.07 50km JPN2nd OSJ Shiga Kogen Trail 50K 10:48:33 h155