Tomonori (新木知範) Araki
Born : 1972 Cat. M50 Ultrarunner since 2001 JPN
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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
4
Countries visited ?FRAFranceITAItalyJPNJapanKORSouth Korea
28,7%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 10 757; Σ finishers = 37 461. 10 757 / 37 461 × 100 = 28.72%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races2 320 km
> 100 km5
> 160 km1
Longest race171,0 km

Km per year (ultra races)

72
1 race
2022
72
1 race
2023
72
1 race
2024
72
1 race
2025
2026

Race types (share of distance)

Trail100,0%

HISTORY

29 race(s)
DateRacePerf.Rk
2025
12.10 71.5km JPN33th Hasetsune Cup - Japan Mountain Endurance Race 16:04:45 h422
2024
13.10 71.5km JPN32th Hasetsune Cup - Japan Mountain Endurance Race 15:55:18 h617
2023
08.10 71.5km JPN31th Hasetsune Cup - Japan Mountain Endurance Race 14:34:52 h504
2022
09.10 71.5km JPN30th Hasetsune Cup - Japan Mountain Endurance Race 14:45:40 h366
2019
28.08 145km ITA10ème Sur les Traces des Ducs de Savoie 40:07:10 h863
21.04 50km KOR5th Korea 50K 8:21:06 h46
2018
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 15:53:05 h450
31.08 171km FRA16ème Ultra Trail Tour du Mont Blanc 45:58:40 h1696
2017
08.10 71.5km JPN25th Hasetsune Cup - Japan Mountain Endurance Race 14:17:50 h464
30.08 119km ITA8ème Sur les Traces des Ducs de Savoie 30:36:29 h947
2016
09.10 71.5km JPN24th Hasetsune Cup - Japan Mountain Endurance Race 13:50:02 h433
26.08 101km ITA11ème Courmayeur-Champex-Chamonix 23:00:08 h691
2015
21.11 104km JPN1st FunTrails100K Round 24:00:48 h117
31.10 71.5km JPN23rd Hasetsune Cup - Japan Mountain Endurance Race 11:27:01 h275
2014
12.10 71.5km JPN22nd Hasetsune Cup - Japan Mountain Endurance Race 12:19:27 h374
2013
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 13:03:28 h420
2012
07.10 71.5km JPN20th Hasetsune Cup - Japan Mountain Endurance Race 11:20:22 h193
2011
09.10 71.5km JPN19th Hasetsune Cup - Japan Mountain Endurance Race 12:10:31 h235
2010
26.09 50km JPN3rd OSJ Adatara Trail 50K 10:53:56 h43
2009
11.10 71.5km JPN17th Hasetsune Cup - Japan Mountain Endurance Race 11:32:19 h175
05.07 50km JPN1st OSJ Shiga Kogen Trail 50K 9:37:47 h185
2008
12.10 71.5km JPN16th Hasetsune Cup - Japan Mountain Endurance Race 11:32:17 h180
20.07 100km JPN1st OSJ Ontake 100km Ultra Trail 15:28:21 h119
2007
14.10 71.5km JPN15th Hasetsune Cup - Japan Mountain Endurance Race 12:42:37 h230
2005
09.10 71.5km JPN13th Hasetsune Cup - Japan Mountain Endurance Race 12:02:28 h85
2004
10.10 71.5km JPN12th Hasetsune Cup - Japan Mountain Endurance Race 12:53:16 h80
2003
25.10 71.5km JPN11th Hasetsune Cup - Japan Mountain Endurance Race 12:45:11 h103
2002
12.10 71.5km JPN10th Hasetsune Cup - Japan Mountain Endurance Race 14:27:19 h128
2001
06.10 71.5km JPN9th Hasetsune Cup - Japan Mountain Endurance Race 18:39:03 h345