Susumu (新井亨) Arai
ID 182033
Born : 1982 Cat. M40 Ultrarunner since 2008 JPN
33
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
58
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
4,6%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 542; Σ finishers = 11 684. 542 / 11 684 × 100 = 4.64%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed33
Km — ultra races4 568 km
> 100 km18
> 160 km17
> 200 km6
> 24h4
Longest race233,0 km
8th Little Edo Oedo 230k — 3/3/2018

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road69,6%
Trail30,4%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 36
🏅 Top 3 M6
Longest winning streak1
Current streak0

Records

100 km8h01'32100 mi18h07'086 h75,00 km12 h131,48 km24 h231,74 km

HISTORY

33 race(s)
DateRacePerf.Rk
2019
14.09 24h JPN14. Shonan Int. Relay Marathon 24 Hour Run 166.100 km20
13.07 100mi JPN12th OSJ Ontake 100 Mile Ultra Trail 18:07:08 h3 🥉
19.05 100km JPN7th Tokyo Shibamata 100 km 8:01:32 h9
13.04 70km JPN14th Toda Saiko 70 km 5:11:37 h4
23.02 204km JPN9th Little Edo Oedo 200k 23:16:58 h3 🥉
2018
15.09 24h JPN21. Hiratsuka 24 hour race 162.600 km24
14.04 70km JPN13th Toda Saiko 70 km 5:33:48 h18
03.03 233km JPN8th Little Edo Oedo 230k 29:18:29 h5
2017
11.11 24h JPN12th Jingu Gaien 24 Hour Challenge 183.751 km51
09.09 12h JPN20. Hiratsuka 12 hour race 131.480 km1 🏆
15.07 100mi JPN10th OSJ Ontake 100 Mile Ultra Trail 20:18:30 h15
04.06 100km JPN5th Tokyo Shibamata 100 km 8:34:30 h18
04.03 204km JPN7th Little Edo Oedo 200k 23:13:09 h6
2016
17.12 24h JPN11th Jingu Gaien 24 Hour Challenge 231.743 km11
24.09 6h JPN19. Hiratsuka 6 hour race 74.390 km5
05.03 204km JPN6th Little Edo Oedo 200k 23:14:28 h5
2015
06.12 6h JPN4th Coedo Kawagoe 6 Hours Run 75.000 km1 🏆
10.10 100mi JPN2nd OSJ Koumi 100 27:45:56 h10
12.09 6h JPN14. Green Charity Marathon Tokyo - Standard Run 6H 67.600 km2 🥈
18.07 100mi JPN8th OSJ Ontake 100 Mile Ultra Trail 19:24:09 h8
06.06 100km JPN3rd Tokyo Shibamata 100 km 8:12:10 h13
28.02 203km JPN5th Little Edo Oedo 200k 25:34:00 h15
2014
04.10 100mi JPN1st OSJ Koumi 100 26:23:26 h4
19.07 100mi JPN7th OSJ Ontake 100 Mile Ultra Trail 20:21:31 h13
01.06 100km JPN2nd Tokyo Shibamata 100 km 8:41:36 h2 🥈
2013
09.06 100km JPN2nd Hida Takayama 100 km Ultramarathon 10:26:52 h86
2012
03.11 100mi JPN1st OSJ Yatsugatake Super Trail 100 miles race 27:33:55 h47
21.09 100km JPN12th Tango 100 km Ultramarathon 9:21:15 h21
15.07 100mi JPN5th OSJ Ontake 100 Mile Ultra Trail 19:14:44 h8
10.06 100km JPN1st Hida Takayama 100 km Ultramarathon 8:57:33 h9
2011
18.09 100km JPN11th Tango 100 km Ultramarathon 10:19:44 h66
2008
14.09 100km JPN8th Tango 100 km Ultramarathon 9:36:55 h31
20.07 100km JPN1st OSJ Ontake 100km Ultra Trail 12:16:08 h41