Sonoka (中山苑香) Nakayama
ID 256315
Born : 1989 Cat. W35 Ultrarunner since 2011 JPN
34
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 ?GREGreeceJPNJapan
2,9%
Rank quotient ?This runner's calculation uses 34 eligible race(s): Σ(rank − 1) = 754; Σ finishers = 26 332. 754 / 26 332 × 100 = 2.86%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed34
Km — ultra races3 348 km
> 100 km4
> 160 km2
> 200 km1
Longest race246,0 km
37. Spartathlon — 27/9/2019

Km per year (ultra races)

318
3 races
2022
200
2 races
2023
200
2 races
2024
200
2 races
2025
100
1 race
2026

Race types (share of distance)

Road100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F17
🏅 Top 31
🏅 Top 3 F26
Longest winning streak0
Current streak0

Records

50 km3h44'37100 km7h44'31

HISTORY

34 race(s)
DateRacePerf.Rk
2026
14.06 100km JPN20th Iwate Ginga 100km Marathon Challenge 9:17:14 h36
2025
28.09 100km JPN33. Akita Nairiku 100km Marathon 8:29:37 h14
08.06 100km JPN19th Iwate Ginga 100km Marathon Challenge 8:32:07 h11
2024
13.10 100km JPN15th Echigo Kubikino 100km Ultramarathon 8:15:10 h5
09.06 100km JPN18th Iwate Ginga 100km Marathon Challenge 8:09:15 h5
2023
24.09 100km JPN31. Akita Nairiku 100km Marathon 9:05:20 h26
25.06 100km JPN38. Lake Saroma 100 km Ultramarathon 8:14:03 h36
2022
09.10 100km JPN14th Echigo Kubikino 100km Ultramarathon 8:08:08 h4
12.06 100km JPN16th Iwate Ginga 100km Marathon Challenge 7:58:37 h9
17.04 118km JPN32th Fuji 5 Lakes 118 km Challenge 10:32:18 h8
2019
27.09 246km GRE37. Spartathlon 31:38:24 h49
13.07 177km JPN4th Michinoku Tsugaru Journey Run 177K 20:32:51 h2 🥈
09.06 100km JPN15th Iwate Ginga 100km Marathon Challenge 7:44:31 h4
21.04 118km JPN29th Fuji 5 Lakes 118 km Challenge 11:47:51 h51
2018
17.06 100km JPN2nd Nikko 100km Ultramarathon 8:40:19 h7
22.04 100km JPN28th Fuji 5 Lakes 100 km Challenge 8:51:08 h16
2017
15.10 100km JPN23rd River Shimanto 100km 9:35:18 h99
02.07 100km JPN1st Nikko 100km Ultramarathon 9:16:02 h33
11.06 100km JPN13th Iwate Ginga 100km Marathon Challenge 8:29:30 h17
23.04 71km JPN27th Fuji 5 Lakes 71 km Challenge 5:54:11 h7
2016
09.10 60km JPN11th Echigo Kubikino 60km Ultramarathon 4:43:15 h8
12.06 100km JPN12th Iwate Ginga 100km Marathon Challenge 8:48:31 h18
24.04 71km JPN26th Fuji 5 Lakes 71 km Challenge 6:06:19 h9
2015
14.06 100km JPN11th Iwate Ginga 100km Marathon Challenge 8:44:11 h22
19.04 71km JPN25th Fuji 5 Lakes 71 km Challenge 6:09:22 h12
2014
08.06 100km JPN10th Iwate Ginga 100km Marathon Challenge 9:38:36 h71
20.04 72km JPN24th Fuji 5 Lakes 72 km Challenge 6:31:30 h23
2013
22.09 50km JPN23. Akita Nairiku 50km Marathon 3:44:37 h7
09.06 100km JPN9th Iwate Ginga 100km Marathon Challenge 8:31:51 h17
21.04 72km JPN23rd Fuji 5 Lakes 72 km Challenge 6:56:19 h26
2012
23.09 100km JPN22. Akita Nairiku 100km Marathon 9:34:14 h56
10.06 100km JPN8th Iwate Ginga 100km Marathon Challenge 9:12:03 h37
22.04 72km JPN22nd Fuji 5 Lakes 72 km Challenge 6:31:43 h26
2011
25.09 50km JPN21. Akita Nairiku 50km Marathon 4:06:09 h17