Kotomi (鈴木琴美) Suzuki
ID 31617
Born : 1975 Cat. W50 Ultrarunner since 2006 JPN
35
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
67
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
3
Countries visited ?GREGreeceHKGHong KongJPNJapan
35,5%
Rank quotient ?This runner's calculation uses 35 eligible race(s): Σ(rank − 1) = 4 062; Σ finishers = 11 457. 4 062 / 11 457 × 100 = 35.45%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed35
Km — ultra races5 541 km
> 100 km23
> 160 km17
> 200 km11
> 24h14
> 48h1
Longest race273,1 km
Tokyo Int. 48 Hours Run in Tokyo Gakugei University — 27/12/2009

Km per year (ultra races)

2022
2023
110
1 race
2024
86
1 race
2025
2026

Race types (share of distance)

Road75,5%
Trail24,5%

Wins & podiums (ultra)

🏆 Win2
🏆 Win F5
🏅 Top 32
🏅 Top 3 F9
Longest winning streak2
Current streak0

Records

100 km10h18'4112 h118,07 km24 h217,53 km48 h273,12 km

HISTORY

35 race(s)
DateRacePerf.Rk
2025
12.10 24h JPN3rd Aizu Yanaizu Akabeko Marathon - 24h 85.575 km18
2024
20.04 110km JPN30. Sakura Michi Kokusai Nature Run (Half) 13:52:00 h68
2021
05.12 100km JPN1st Tokyo Edogawa Ultra Marathon - 100 km 10:57:40 h51
2019
19.05 100km JPN7th Tokyo Shibamata 100 km 10:18:41 h179
13.04 70km JPN14th Toda Saiko 70 km 6:49:47 h115
2018
15.09 24h JPN21. Hiratsuka 24 hour race 190.300 km8
21.04 250km JPN25. Sakura Michi Kokusai Nature Run 33:45:00 h36
2017
11.11 24h JPN12th Jingu Gaien 24 Hour Challenge 192.999 km42
10.06 24h JPN16. Green Charity Marathon Tokyo - Hard Run 24H 110.264 km47
2016
18.06 24h JPN15. Green Charity Marathon Tokyo - Hard Run 24H 194.215 km4
2015
19.12 24h JPN10th Jingu Gaien 24 Hour Challenge 198.320 km28
30.01 24h HKG1st Hong Kong Ultra Marathon 24hr 166.836 km31
2013
09.11 24h JPN8th Jingu Gaien 24 Hour Challenge 217.527 km13
01.06 100km JPN1st Tokyo Shibamata 100 km 10:20:46 h138
2012
05.08 77km JPN19. Ultramarathon Okumusashi 8:58:02 h308
21.04 250km JPN19. Sakura Michi Kokusai Nature Run 33:35:00 h45
2011
15.10 24h JPN6th Jingu Gaien 24 Hour Challenge 207.299 km14
11.06 12h JPN10. Tokyo Challenge 12 hours 118.068 km8
2009
27.12 48h JPNTokyo Int. 48 Hours Run in Tokyo Gakugei University 273.115 km1 🏆
07.11 24h JPN25th Tokyo Gakugei University 24-hour experimental run 205.070 km1 🏆
25.09 245.3km GRE27. Spartathlon 34:07:53 h73
02.08 75km JPN16. Ultramarathon Okumusashi 8:36:55 h325
18.04 250km JPN16. Sakura Michi Kokusai Nature Run 34:22:00 h49
2008
11.10 100km JPN7th Echigo Kubikino 100km Ultramarathon 10:20:26 h111
03.08 75km JPN15. Ultramarathon Okumusashi 8:35:03 h240
05.07 24h JPN3rd Jingu Gaien 24 Hour Challenge 169.690 km19
07.06 24h JPN6th Akiruno 24 Hour Race Japan Cup 134.040 km10
19.04 250km JPN15. Sakura Michi Kokusai Nature Run 34:55:00 h53
2007
22.12 24h JPN2nd Jingu Gaien 24 Hour Challenge 147.186 km18
28.09 245.3km GRE25. Spartathlon 35:40:57 h111
05.08 75km JPN14. Ultramarathon Okumusashi 8:48:13 h238
01.07 8h JPN13th 8-Hour Endurance Race Tokorozawa 68.250 km51
02.05 250km JPN19. Yamaguchi 100 Hagi-O-Kan Maranic 250 km 45:31:42 h108
2006
25.06 100km JPN21. Lake Saroma 100 km Ultramarathon 12:45:29 h1417
03.05 140km JPN18. Yamaguchi 100 Hagi-O-Kan Maranic 140 km 22:50:54 h119