Masahiro (田雑雅広) Tazo
Born : 1967 Cat. M55 Ultrarunner since 2012 JPN
40
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
5
Countries visited ?FRAFranceJPNJapanKORSouth KoreaTHAThailandTPETaiwan
47,8%
Rank quotient ?This runner's calculation uses 40 eligible race(s): Σ(rank − 1) = 6 422; Σ finishers = 13 447. 6 422 / 13 447 × 100 = 47.76%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed40
Km — ultra races5 768 km
> 100 km25
> 160 km13
> 200 km7
Longest race570,0 km

Km per year (ultra races)

1 078
7 races
2022
740
4 races
2023
261
3 races
2024
537
2 races
2025
570
1 race
2026

Race types (share of distance)

Road53,8%
Trail46,2%

HISTORY

40 race(s)
DateRacePerf.Rk
2026
29.04 570km JPN5th Reiheishi Michi Kyoto to Nikko - 570 km 7d 05:42:25 h10
2025
21.11 320km JPN19th Nagasaki Tachibana Gulf Coast Super Maranic 320 2d 08:21:22 h12
04.05 217km JPN19th Nagasaki Tachibana Gulf Coast Super Maranic 217 32:25:08 h17
2024
11.05 115.1km JPN2nd Aso Volcano Trail 21:40:40 h156
11.02 46km JPN1st Nagasaki Round Trail 8:51:06 h17
04.02 100km JPN3rd Amami yori yori Run 11:58:22 h11
2023
29.12 130km JPN4th Kyoto Great Round 130 km 28:10:08 h42
03.11 276km JPN17th Nagasaki Tachibana Gulf Coast Super Maranic 276 2d 03:28:52 h5
21.04 167km JPN8th Ultra-Trail Mt. Fuji 41:02:28 h1095
11.03 167km JPN2nd Kumagawa Revival Trail 39:50:40 h66
2022
29.12 130km JPN3rd Kyoto Great Round 130 km 28:39:46 h53
20.11 320km JPN16th Nagasaki Tachibana Gulf Coast Super Maranic 320 2d 10:41:37 h21
26.08 170km FRA19ème Ultra Trail Tour du Mont Blanc 46:48:44 h1788
24.07 60km JPN10th Kirishima Ebino-kougen Extreme Trail 10:21:50 h93
29.05 64km JPN5th Mizukami Mountain Party 11:03:42 h56
22.04 167km JPN7th Ultra-Trail Mt. Fuji 36:30:49 h685
05.03 167km JPN1st Kumagawa Revival Trail 40:57:47 h129
2021
29.12 130km JPN2nd Kyoto Great Round 30:07:16 h55
14.03 62km JPN4th Mizukami Mountain Party 11:25:35 h120
2019
11.05 121km JPN3rd Aso Round Trail 28:36:17 h249
04.05 217km JPN13th Nagasaki Tachibana Gulf Coast Super Maranic 217 33:33:00 h18
2018
26.08 64km JPN2nd Mizukami Mountain Party 13:45:04 h65
12.05 108.7km JPN2nd Aso Round Trail 24:24:07 h181
2017
16.09 102km JPN9th Shinetsu Five Mountains Trail 100 mile 18:00:24 h175
15.07 100km JPN10th OSJ Ontake 100km Ultra Trail 13:12:19 h136
13.05 108.7km JPN1st Aso Round Trail 22:53:04 h57
2016
04.11 103km JPNTachibana Bay Coast 100 Ultra Marathon 11:31:33 h5
11.09 129km JPN3rd SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup 32:00:13 h261
25.06 50km TPE2nd The Beast Trail 50km 16:51:10 h49
04.05 129km JPN10th Nagasaki Tachibana Gulf Coast Super Maranic 173 16:42:14 h29
06.03 100km JPN2nd Nagoura Marathon 100 km 11:15:25 h33
2015
20.11 276km JPNTachibana Bay Coast 273 Ultra Marathon 2d 04:04:20 h29
31.10 100km KOR1st Busan 100k Ultra Trail Race 19:13:20 h17
21.07 63km JPN3rd Kirishima Ebino-kougen Extreme Trail 11:33:04 h132
06.06 100km JPN25th Aso Caldera Super Marathon 100 km 11:52:18 h392
2014
22.11 103km JPNTachibana Bay Coast 100 Ultra Marathon 12:12:02 h17
18.10 79km THA1st TU100 Thailand Ultramarathon 13:54:30 h8
20.07 63km JPN2nd Kirishima Ebino-kougen Extreme Trail 9:28:56 h56
04.05 173km JPN8th Nagasaki Tachibana Gulf Coast Super Maranic 173 25:43:05 h18
2012
21.10 100km JPN18th River Shimanto 100km 9:54:53 h104