Keisuke (野崎啓介) Nozaki
Born : 1971 Cat. M55 Ultrarunner since 2012 JPN
38
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
54
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
8
Countries visited ?FRAFranceHKGHong KongJPNJapanKORSouth KoreaMASMalaysiaTHAThailandTPETaiwanVIEVietnam
39,3%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 7 097; Σ finishers = 18 052. 7 097 / 18 052 × 100 = 39.31%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races3 931 km
> 100 km18
> 160 km6
Longest race175,0 km

Km per year (ultra races)

2022
104
1 race
2023
670
6 races
2024
172
2 races
2025
170
2 races
2026

Race types (share of distance)

Road10,5%
Trail89,5%

HISTORY

38 race(s)
DateRacePerf.Rk
2026
25.04 70km JPN5th KAI 70k 13:23:39 h374
24.01 100km HKG16th Hong Kong 100 Ultra Trail Race 22:51:56 h1376
2025
18.10 107km KOR12th TransJeju by UTMB - Jeju100K 22:11:17 h402
29.03 64.5km HKG10th Lantau Trail race 70k 13:00:25 h257
2024
06.12 175km THA1st Chiangmai Thailand by UTMB - TRANS-INT 160 47:40:41 h213
09.11 100km HKG11th TransLantau 100 by UTMB 25:35:34 h227
19.10 110km KOR6th Seoul Ultra Trail 100K 23:13:23 h98
13.07 100km MAS8th Cameron 100 km Ultra Trail 29:48:09 h86
11.05 115.1km JPN2nd Aso Volcano Trail 23:48:38 h249
23.03 70km VIE1st Vietnam Ultra Marathon 17:37:09 h102
2023
25.11 104km TPE7th Formosa Trail 104km 24:54:34 h46
2019
30.11 104km TPE4th Formosa Trail 100km 21:38:18 h48
26.10 108km THA3rd Ultra-Trail Nan100 (UTN100) 25:46:55 h14
30.08 171km FRA17ème Ultra Trail Tour du Mont Blanc 42:09:21 h891
02.06 52.7km JPN2nd Nagi Peaks Tough Trail Challenge 10:48:10 h78
11.05 121km JPN3rd Aso Round Trail 27:37:41 h189
23.03 112km JPN20th Mt. Rocco Cannonball Run - 112 km Power 16:15:00 h26
01.03 100km HKG8th TransLantau 100 Ultra Trail 25:07:04 h241
2018
01.12 104km TPE3rd Formosa Trail 100km 27:37:33 h90
20.10 111km KOR6th Transjeju Int. Trail Run 100 20:28:47 h41
31.08 144km FRA6ème L'Echappée Belle 144km 45:38:31 h251
27.05 51.9km JPN3rd Rokko 5 Peaks Trail Race 9:03:03 h20
24.03 56km JPN18th Mt. Rocco Cannonball Run - 56 km Night Speed 6:50:26 h8
2017
17.08 169km FRAUltra Tour des 4 Massifs (UT4M) Xtrem 44:48:48 h92
13.05 50km JPN3rd Mt. Hiei Int. 50 km Trail Run 7:45:13 h60
23.04 100km JPN27th Fuji 5 Lakes 100 km Challenge 9:42:37 h104
25.03 56km JPN16th Mt. Rocco Cannonball Run - 56 km Night Speed 6:24:52 h7
2016
31.12 162km HKG2nd Ultra-Trail Tai Mo Shan (UTMT) 100 Mile 32:41:54 h42
18.09 110km JPN8th Shinetsu Five Mountains Trail 110km 17:44:53 h218
03.05 70km JPN24. Mukogawa Yurikamome Ultra Marathon 6:15:11 h66
01.01 162km HKG1st Ultra-Trail Tai Mo Shan (UTMT) 100 Mile 34:29:00 h41
2015
28.08 170km FRA13ème Ultra Trail Tour du Mont Blanc 40:53:36 h791
29.03 100km JPN1st Osaka Yodogawa 100 km Ultra Marathon 9:02:44 h37
2014
19.10 73km JPN5th OSJ Hyonosen Mountains Trail Race 10:16:12 h53
26.04 88km JPN3rd Shizuoka to Yamanashi 14:41:39 h29
2013
13.07 100km JPN6th OSJ Ontake 100km Ultra Trail 12:34:43 h75
2012
21.09 100km JPN12th Tango 100 km Ultramarathon 10:36:40 h74
03.05 70km JPN20. Mukogawa Yurikamome Ultra Marathon 6:51:12 h119