Sonoko (田中園子) Tanaka
ID 310228
Born : 1961 Cat. W65 Ultrarunner since 2012 JPN
39
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
51
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 ?CROCroatiaHKGHong KongJPNJapanTHAThailandUSAUnited States
52,2%
Rank quotient ?This runner's calculation uses 39 eligible race(s): Σ(rank − 1) = 15 068; Σ finishers = 28 887. 15 068 / 28 887 × 100 = 52.16%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed39
Km — ultra races3 723 km
> 100 km15
> 160 km6
Longest race171,0 km
3rd Thailand by UTMB - 100mi — 9/12/2022

Km per year (ultra races)

617
5 races
2022
161
1 race
2023
2024
377
4 races
2025
2026

Race types (share of distance)

Road21,1%
Trail78,9%

Records

50 km7h12'52100 km11h18'22100 mi27h47'09

HISTORY

39 race(s)
DateRacePerf.Rk
2025
06.12 48km THA2nd Chiangmai Thailand by UTMB - HMONG 50-DAY 12:05:39 h1491
20.07 99.5km JPN17th OSJ Ontake 100km Ultra Trail 16:12:04 h561
17.05 100mi USA31st Massanutten Mountain Trails 100 Mile 34:31:31 h73
12.04 69km CRO12th Istria 100 by UTMB - 69km 11:22:33 h390
2023
03.06 100mi USA45th Old Dominion 100 Mile Endurance Run 27:47:09 h52
2022
09.12 171km THA3rd Thailand by UTMB - 100mi 45:07:03 h194
09.10 71.5km JPN30th Hasetsune Cup - Japan Mountain Endurance Race 17:49:39 h651
16.07 106.5km JPN14th OSJ Ontake 100km Ultra Trail 15:34:20 h330
11.06 100.8km JPN2nd Okushinano 100 19:08:44 h353
22.04 167km JPN7th Ultra-Trail Mt. Fuji 38:32:13 h888
2021
06.11 100km JPN1st OSJ Kami 100 21:36:50 h143
2020
04.01 162km HKG5th Ultra-Trail Tai Mo Shan (UTMT) 100 Mile 40:20:34 h72
2019
29.09 45km JPN7th Trainic world Soto-Chichibu Trail Run 45km 8:14:45 h129
21.09 143km JPN6th SkyView Ultra-Trail 140 - Yamada Noboru Memorial Cup 35:54:30 h446
17.08 101km JPN7th World Cultural Heritage "Fuji" Foot Race 15:41:57 h113
16.06 48.3km JPN1st FunTrails Round Minano 10:16:05 h149
2018
09.12 71.7km JPN5th Izu Trail Journey 12:56:59 h923
17.11 106km JPN4th FunTrails100K Round 27:16:16 h240
03.06 78km JPN25. Ultramarathon Okumusashi 9:01:14 h358
12.05 108.7km JPN2nd Aso Round Trail 24:47:49 h201
2017
16.09 102km JPN9th Shinetsu Five Mountains Trail 100 mile 19:35:05 h299
02.07 100km JPN1st Nikko 100km Ultramarathon 12:20:04 h405
20.05 106km JPN2nd Trainic World 100 km in Sai-No-Kuni 27:43:35 h114
2016
09.10 71.5km JPN24th Hasetsune Cup - Japan Mountain Endurance Race 19:01:11 h1353
10.07 49.6km JPN5th Trainic world Ogose-Tokigawa Trail Run 50km 8:21:53 h59
24.04 70km JPN2nd Okumikawa Power Trail 12:39:14 h398
2015
21.10 56km JPN1st FunTrails50K Two Lakes&Green line 9:46:22 h141
25.09 170.3km JPN4th Ultra-Trail Mt. Fuji 42:18:32 h366
06.09 49.6km JPN4th Trainic world Ogose-Tokigawa Trail Run 50km 8:13:06 h132
22.06 77km JPN22. Ultramarathon Okumusashi 9:10:02 h577
19.04 118km JPN25th Fuji 5 Lakes 118 km Challenge 14:47:05 h555
2014
12.10 100km JPN10th Echigo Kubikino 100km Ultramarathon 11:18:22 h344
05.10 50km JPN8th Madarao Forest Trails 50km 7:12:52 h184
27.07 77km JPN21. Ultramarathon Okumusashi 9:35:29 h355
2013
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 15:24:40 h815
07.09 100km JPN2nd OSJ Yatsugatake Super Trail 100 km race 17:25:25 h198
28.07 77km JPN20. Ultramarathon Okumusashi 8:52:24 h386
2012
08.07 8h JPN18th 8-Hour Endurance Race Tokorozawa 58.428 km202
20.05 100km JPN18th Yatsugatake Nobeyama 100 km 12:52:06 h467