Kazuyuki (上田和之) Ueda
ID 287499
Born : 1968 Cat. M55 Ultrarunner since 2012 JPN
30
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 ?FRAFranceJPNJapanKORSouth KoreaUSAUnited States
54,2%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 11 494; Σ finishers = 21 199. 11 494 / 21 199 × 100 = 54.22%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed30
Km — ultra races2 910 km
> 100 km12
> 160 km5
Longest race170,0 km
5th Ultra-Trail Mt. Fuji (UTMF) — 27/4/2018

Km per year (ultra races)

238
3 races
2022
100
1 race
2023
231
2 races
2024
100
1 race
2025
2026

Race types (share of distance)

Road11,5%
Trail88,5%

Records

50 km8h07'09100 km14h35'5450 mi13h14'48100 mi29h24'47

HISTORY

30 race(s)
DateRacePerf.Rk
2025
15.11 100km JPN11th FunTrails100K Round 29:42:06 h295
2024
08.12 70km JPN11th Izu Trail Journey 11:15:29 h568
02.11 100mi USA24th Rio Del Lago 100 Mile Endurance Run 29:24:47 h192
2023
07.10 100km KOR10th TransJeju by UTMB 100 19:58:35 h423
2022
20.11 106km JPN8th FunTrails100K Round 27:43:58 h356
22.10 80km JPN2. Jungle Guruguru Max - 80 km 18:36:08 h37
02.10 52km JPN9th Trainic world Soto-Chichibu Trail Run 50km 8:50:32 h67
2020
13.12 66km JPN7th Izu Trail Journey 9:57:41 h381
17.10 112km JPN23th Mt. Rocco Cannonball Run - 112 km Power 20:30:00 h62
2018
11.11 50km JPN10th Kanna Mountain Run II 8:54:03 h13
12.05 108.7km JPN2nd Aso Round Trail 23:22:37 h147
27.04 170km JPN5th Ultra-Trail Mt. Fuji 43:40:34 h766
2017
12.11 50km JPN9th Kanna Mountain Run II 8:48:28 h31
01.09 167.7km FRA15ème Ultra Trail Tour du Mont Blanc 45:02:27 h1539
20.05 106km JPN2nd Trainic World 100 km in Sai-No-Kuni 27:50:09 h128
2016
13.11 50km JPN8th Kanna Mountain Run II 9:04:11 h33
16.07 100km JPN9th OSJ Ontake 100km Ultra Trail 14:36:20 h349
2015
08.11 50km JPN7th Kanna Mountain Run II 8:07:09 h30
31.10 71.5km JPN23rd Hasetsune Cup - Japan Mountain Endurance Race 14:10:25 h739
28.08 170km FRA13ème Ultra Trail Tour du Mont Blanc 44:52:02 h1328
2014
12.10 71.5km JPN22nd Hasetsune Cup - Japan Mountain Endurance Race 14:29:11 h726
15.06 81.4km JPN1. Spatrail - Shima to Kusatsu 13:14:48 h283
25.04 100mi JPN3rd Ultra-Trail Mt. Fuji 42:44:04 h516
2013
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 15:09:27 h767
15.09 110km JPN5th Shinetsu Five Mountains Trail 110km 19:09:26 h237
13.07 100km JPN6th OSJ Ontake 100km Ultra Trail 14:42:26 h250
02.06 50km JPN5th OSJ Okukuji Trail 50k 12:45:06 h190
21.04 112km JPN23rd Fuji 5 Lakes 112 km Challenge 14:26:01 h269
2012
15.07 100km JPN5th OSJ Ontake 100km Ultra Trail 14:35:54 h372
22.04 112km JPN22nd Fuji 5 Lakes 112 km Challenge 14:19:46 h430