Misao (坪川操) Tsubokawa
ID 214398
Born : 1962 Cat. W60 Ultrarunner since 2010 JPN
34
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
55
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 ?GREGreeceJPNJapan
42,5%
Rank quotient ?This runner's calculation uses 34 eligible race(s): Σ(rank − 1) = 5 306; Σ finishers = 12 479. 5 306 / 12 479 × 100 = 42.52%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed34
Km — ultra races4 282 km
> 100 km14
> 160 km6
> 200 km5
> 24h2
Longest race276,0 km
Tachibana Bay Coast 273 Ultra Marathon — 2/11/2017

Km per year (ultra races)

100
1 race
2022
200
2 races
2023
250
2 races
2024
389
4 races
2025
200
2 races
2026

Race types (share of distance)

Road88,0%
Trail12,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F1
🏅 Top 30
🏅 Top 3 F6
Longest winning streak0
Current streak0

Records

100 km9h33'1324 h150,15 km

HISTORY

34 race(s)
DateRacePerf.Rk
2026
19.04 100km JPN26. Okukumano 100 km Ultramarathon 13:19:47 h229
04.04 100km JPN9th Lake Biwa Kaizu Sakura Maranic - 100 km 18:15:00 h8
2025
12.10 24h JPN3rd Aizu Yanaizu Akabeko Marathon - 24h 144.375 km13
20.04 100km JPN6th Yamadera Zao 100 km Ultra Marathon 13:10:49 h52
05.04 100km JPN8th Lake Biwa Kaizu Sakura Maranic - 100 km 16:08:00 h10
02.03 45km JPN2nd IKOMA Nature Trail 8:24:41 h90
2024
13.10 24h JPN2nd Aizu Yanaizu Akabeko Marathon - 24h 150.150 km9
09.06 100km JPN18th Iwate Ginga 100km Marathon Challenge 12:42:28 h417
2023
24.09 100km JPN26th Muraoka 100 km Ultra Marathon 13:31:57 h265
22.01 100km JPN33th Miyako 100 km Ultramarathon 12:13:03 h71
2022
18.09 100km JPN20th Tango 100 km Ultramarathon 13:43:28 h522
2019
07.12 120km JPN4th Santo Ultra Maranic - Keihan Course 20:19:00 h11
25.05 103km JPN8th Tojinbo 103 km Ultramarathon 12:57:44 h25
2018
01.12 120km JPN3rd Santo Ultra Maranic - Hanshin Course 18:48:00 h5
21.04 250km JPN25. Sakura Michi Kokusai Nature Run 35:23:00 h65
2017
02.11 276km JPNTachibana Bay Coast 273 Ultra Marathon 47:09:09 h14
02.05 250km JPN29. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 43:56:39 h72
2016
04.11 103km JPNTachibana Bay Coast 100 Ultra Marathon 14:10:45 h55
30.09 246km GRE34. Spartathlon 35:38:14 h211
12.06 100km JPN5th Hida Takayama 100 km Ultramarathon 12:03:17 h447
22.05 100km JPN22nd Yatsugatake Nobeyama 100 km 13:08:54 h750
03.05 140km JPN28. Yamaguchi 100 Hagi-O-Kan Maranic 140 km 21:13:14 h57
2015
17.05 77km JPNSaba Highway Ultramarathon 9:50:41 h160
04.05 173km JPN9th Nagasaki Tachibana Gulf Coast Super Maranic 173 25:30:38 h35
29.03 100km JPN1st Osaka Yodogawa 100 km Ultra Marathon 9:33:13 h59
2014
19.10 73km JPN5th OSJ Hyonosen Mountains Trail Race 12:48:50 h200
12.10 100km JPN10th Echigo Kubikino 100km Ultramarathon 11:15:26 h331
2013
29.09 100km JPN1st 100 km Ultramarathon Hakusan-Shirakawago 12:29:24 h221
19.05 76km JPNSaba Highway Ultramarathon 10:32:33 h225
02.05 250km JPN25. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 46:21:47 h181
2012
04.11 45km JPN4th Shinshu-Togakushi Trail Run Race 7:07:12 h78
21.10 100km JPN1st Noto Peninsula 100 km Ultra Marathon 10:21:18 h31
03.05 140km JPN24. Yamaguchi 100 Hagi-O-Kan Maranic 140 km 21:55:04 h97
2010
25.04 100km JPN20th Fuji 5 Lakes 100 km Challenge 12:18:06 h324