Kazunari (冨高一成) Tomitaka
ID 810506
Born : 1989 Cat. M35 Ultrarunner since 2016 JPN
44
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
2
Countries visited ?JPNJapanTPETaiwan
0,5%
Rank quotient ?This runner's calculation uses 44 eligible race(s): Σ(rank − 1) = 187; Σ finishers = 40 672. 187 / 40 672 × 100 = 0.46%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed44
Km — ultra races4 142 km
> 100 km1
Longest race120,0 km
36th Fuji 5 Lakes Sparta Challenge — 19/4/2026

Km per year (ultra races)

554
6 races
2022
484
5 races
2023
634
7 races
2024
734
8 races
2025
404
4 races
2026

Race types (share of distance)

Road96,6%
Trail3,4%

Wins & podiums (ultra)

🏆 Win16
🏆 Win M16
🏅 Top 327
🏅 Top 3 M27
Longest winning streak2
Current streak0

Records

50 km3h16'47100 km6h54'36

HISTORY

44 race(s)
DateRacePerf.Rk
2026
28.06 100km JPN41. Lake Saroma 100 km Ultramarathon 7:05:35 h24
14.06 84.39km JPN10th JAL Mukatsuku Double Marathon 6:03:36 h1 🏆
31.05 100km JPN1st Nara Ultra Marathon 8:44:11 h33
19.04 120km JPN36th Fuji 5 Lakes Sparta Challenge 9:29:57 h5
2025
21.12 50km JPN8th Okinawa 50km Ultramarathon 3:16:47 h1 🏆
18.10 100km JPN8th Iki 100 km Ultra Marathon 7:39:06 h3 🥉
05.10 100km JPN6th Mine Akiyoshidai Geopark Ultra Marathon 7:49:09 h1 🏆
14.09 100km JPN23th Tango 100 km Ultramarathon 7:32:21 h1 🏆
29.06 100km JPN40. Lake Saroma 100 km Ultramarathon 7:33:17 h17
08.06 84.39km JPN9th JAL Mukatsuku Double Marathon 6:09:19 h3 🥉
18.05 100km JPN31th Yatsugatake Nobeyama 100 km 8:09:43 h2 🥈
20.04 100km JPN35th Fuji 4 Lakes 100 km Challenge 7:20:54 h2 🥈
2024
15.12 50km JPN7th Okinawa 50km Ultramarathon 3:24:28 h1 🏆
19.10 100km JPN7th Iki 100 km Ultra Marathon 7:21:57 h2 🥈
15.09 100km JPN22th Tango 100 km Ultramarathon 7:32:50 h2 🥈
30.06 100km JPN39. Lake Saroma 100 km Ultramarathon 7:00:54 h10
09.06 84.39km JPN8th JAL Mukatsuku Double Marathon 6:10:14 h1 🏆
19.05 100km JPN30th Yatsugatake Nobeyama 100 km 7:58:20 h1 🏆
21.04 100km JPN34th Fuji 4 Lakes 100 km Challenge 7:43:01 h4
2023
17.09 100km JPN21th Tango 100 km Ultramarathon 7:09:07 h1 🏆
25.06 100km JPN38. Lake Saroma 100 km Ultramarathon 7:09:46 h7
11.06 84.39km JPN7th JAL Mukatsuku Double Marathon 6:15:53 h1 🏆
21.05 100km JPN11th Tokyo Shibamata 100 km 8:14:37 h17
16.04 100km JPN33th Fuji 4 Lakes 100 km Challenge 7:25:11 h3 🥉
2022
18.09 100km JPN20th Tango 100 km Ultramarathon 7:27:01 h1 🏆
12.06 84.39km JPN6th JAL Mukatsuku Double Marathon 6:14:50 h1 🏆
22.05 100km JPN10th Tokyo Shibamata 100 km 7:32:55 h11
03.05 70km JPN30. Mukogawa Yurikamome Ultra Marathon 4:49:35 h3 🥉
17.04 100km JPN32th Fuji 5 Lakes 100 km Challenge 7:27:37 h5
13.03 100km JPN4th Ibaraki 100k Ultra Marathon 7:33:23 h3 🥉
2021
09.10 100km JPN9th Tokyo Shibamata 100 km 8:46:30 h14
18.07 100km JPN1st Yamaguchi Hagi Return 9:25:54 h1 🏆
14.03 100km JPN3rd Ibaraki 100k Ultra Marathon 6:57:36 h1 🏆
2019
20.10 60km JPN25th River Shimanto 60km 3:58:07 h2 🥈
15.09 100km JPN19th Tango 100 km Ultramarathon 7:41:29 h2 🥈
30.06 100km JPN34. Lake Saroma 100 km Ultramarathon 7:07:41 h10
02.05 70km JPN27. Mukogawa Yurikamome Ultra Marathon 4:30:41 h1 🏆
09.03 100km TPE9th Southern Cross-Island Highway 100 km Ultra Marathon 7:40:41 h1 🏆
2018
21.10 100km JPN24th River Shimanto 100km 7:27:52 h5
16.09 100km JPN18th Tango 100 km Ultramarathon 7:24:28 h1 🏆
24.06 100km JPN33. Lake Saroma 100 km Ultramarathon 6:54:36 h11
2017
15.10 100km JPN23rd River Shimanto 100km 7:27:47 h6
2016
16.10 100km JPN22nd River Shimanto 100km 7:13:15 h5
24.04 100km JPN26th Fuji 5 Lakes 100 km Challenge 7:45:04 h4