Sonoko (森本園子) Morimoto
Born : 1960 Cat. W65 Ultrarunner since 2003 JPN
42
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
60
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
1
Countries visited ?JPNJapan
55,5%
Rank quotient ?This runner's calculation uses 42 eligible race(s): Σ(rank − 1) = 5 419; Σ finishers = 9 762. 5 419 / 9 762 × 100 = 55.51%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed42
Km — ultra races4 854 km
> 100 km14
> 160 km8
> 200 km4
Longest race276,0 km

Km per year (ultra races)

345
4 races
2022
657
4 races
2023
274
3 races
2024
46
1 race
2025
237
2 races
2026

Race types (share of distance)

Road100,0%

Wins & podiums (ultra)

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

HISTORY

42 race(s)
DateRacePerf.Rk
2026
20.06 12h JPN5th Oizumi Ryokuchi Park 12h 63.800 km11
04.05 173km JPN20th Nagasaki Tachibana Gulf Coast Super Maranic 173 33:36:06 h64
2025
21.06 12h JPN4th Oizumi Ryokuchi Park 12h 46.200 km18
2024
19.10 120km JPN8th Santo Ultra Maranic - Keihan Course 21:48:00 h12
29.09 88km JPN27th Muraoka 88 km Ultra Marathon 13:35:18 h130
15.06 12h JPN3rd Oizumi Ryokuchi Park 12h 66.000 km15
2023
03.11 276km JPN17th Nagasaki Tachibana Gulf Coast Super Maranic 276 2d 11:05:13 h33
21.10 120km JPN7th Santo Ultra Maranic - Keihan Course 22:31:00 h11
24.09 88km JPN26th Muraoka 88 km Ultra Marathon 13:15:42 h125
03.05 173km JPN17th Nagasaki Tachibana Gulf Coast Super Maranic 173 33:06:22 h57
2022
29.09 45km JPN25th Muraoka 45 km Ultra Marathon 6:32:05 h711
10.09 12h JPN1st Oizumi Ryokuchi Park 12h 57.200 km15
03.05 173km JPN16th Nagasaki Tachibana Gulf Coast Super Maranic 173 31:03:08 h62
17.04 70km JPN13th 70 km Ultra Maranic Osaka 10:39:23 h131
2019
01.11 276km JPNTachibana Bay Coast 273 Ultra Marathon 2d 06:32:40 h37
29.09 88km JPN22th Muraoka 88 km Ultra Marathon 13:25:27 h145
2017
02.11 276km JPNTachibana Bay Coast 273 Ultra Marathon 2d 05:43:31 h58
24.09 88km JPN20th Muraoka 88 km Ultra Marathon 13:39:07 h208
2016
25.09 88km JPN19th Muraoka 88 km Ultra Marathon 12:39:24 h88
04.05 129km JPN10th Nagasaki Tachibana Gulf Coast Super Maranic 173 20:27:05 h106
2015
21.11 103km JPNTachibana Bay Coast 100 Ultra Marathon 15:14:20 h99
27.09 88km JPN18th Muraoka 88 km Ultra Marathon 12:54:18 h137
04.05 173km JPN9th Nagasaki Tachibana Gulf Coast Super Maranic 173 29:29:00 h91
2014
28.09 88km JPN17th Muraoka 88 km Ultra Marathon 11:51:08 h69
2013
29.09 88km JPN16th Muraoka 88 km Ultra Marathon 12:42:36 h80
2012
30.09 88km JPN15th Muraoka 88 km Ultra Marathon 12:13:46 h66
2011
25.09 88km JPN14th Muraoka 88 km Ultra Marathon 12:52:54 h97
2010
26.09 88km JPN13th Muraoka 88 km Ultra Marathon 11:28:30 h33
2009
27.09 88km JPN12th Muraoka 88 km Ultra Marathon 11:33:44 h41
02.05 250km JPN21. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 46:51:44 h173
2008
19.10 100km JPN14th River Shimanto 100km 13:00:38 h617
28.09 88km JPN11th Muraoka 88 km Ultra Marathon 10:57:31 h26
03.05 140km JPN20. Yamaguchi 100 Hagi-O-Kan Maranic 140 km 23:06:24 h139
2007
29.09 88km JPN10th Muraoka 88 km Ultra Marathon 11:30:05 h35
03.05 140km JPN19. Yamaguchi 100 Hagi-O-Kan Maranic 140 km 22:41:28 h130
2006
15.10 100km JPN12th River Shimanto 100km 12:18:16 h462
30.09 88km JPN9th Muraoka 88 km Ultra Marathon 10:34:22 h13
2005
16.10 100km JPN11th River Shimanto 100km 12:10:16 h478
25.09 88km JPN8th Muraoka 88 km Ultra Marathon 10:12:57 h14
2004
17.10 100km JPN10th River Shimanto 100km 12:26:38 h586
24.09 88km JPN7th Muraoka 88 km Ultra Marathon 10:22:56 h17
2003
23.09 88km JPN6th Muraoka 88 km Ultra Marathon 10:56:47 h21