Yasushi (江波戸康志) Ebato
ID 954000
Born : 1965 Cat. M60 Ultrarunner since 2017 JPN
31
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
44
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
33,6%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 7 367; Σ finishers = 21 945. 7 367 / 21 945 × 100 = 33.57%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races2 486 km
Longest race100,0 km
41. Lake Saroma 100 km Ultramarathon — 28/6/2026

Km per year (ultra races)

326
4 races
2022
441
5 races
2023
435
5 races
2024
162
2 races
2025
180
2 races
2026

Race types (share of distance)

Road97,2%
Trail2,8%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0

Records

100 km10h28'0650 mi9h19'376 h61,79 km

HISTORY

31 race(s)
DateRacePerf.Rk
2026
28.06 100km JPN41. Lake Saroma 100 km Ultramarathon 11:24:56 h1111
19.04 80km JPN36th Fuji 4 Lakes 80 km Challenge 9:19:37 h48
2025
23.05 100km JPN4th Hirosaki 100 km Ultra Run 11:26:53 h25
20.04 62km JPN35th Fuji 3 Lakes 62 km Challenge 7:22:58 h150
2024
30.06 100km JPN39. Lake Saroma 100 km Ultramarathon 12:34:34 h1310
20.05 100km JPN3rd Hirosaki 100 km Ultra Run 10:28:06 h15
21.04 100km JPN34th Fuji 4 Lakes 100 km Challenge 11:41:21 h390
30.03 60km JPN4th Tama River Clear Stream Marathon 60km 5:53:05 h7
16.03 75km JPN8th Minamiboso 75km 8:15:04 h7
2023
25.06 100km JPN38. Lake Saroma 100 km Ultramarathon 10:44:04 h490
21.05 100km JPN11th Tokyo Shibamata 100 km 11:03:19 h182
03.05 70km JPN31. Mukogawa Yurikamome Ultra Marathon 6:54:45 h70
16.04 100km JPN33th Fuji 4 Lakes 100 km Challenge 12:12:47 h395
02.04 71km JPN6th Osaka Yodogawa 70 km Ultra Marathon 6:55:54 h1 🏆
2022
03.07 8h JPN28th 8-Hour Endurance Race Tokorozawa 68.600 km61
22.05 100km JPN10th Tokyo Shibamata 100 km 10:37:24 h146
07.05 57km JPN2nd Kimitsu Ultra Marathon 5:40:01 h24
17.04 100km JPN32th Fuji 5 Lakes 100 km Challenge 12:56:01 h708
2021
03.10 64km JPN8th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K 7:23:12 h26
04.07 8h JPN27th 8-Hour Endurance Race Tokorozawa 68.600 km135
08.05 57km JPN1st Kimitsu Ultra Marathon 5:59:29 h43
2020
04.10 64km JPN7th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K 7:17:20 h22
05.07 8h JPN26th 8-Hour Endurance Race Tokorozawa 73.500 km46
2019
14.09 6h JPN14. Shonan Int. Relay Marathon 6 hour Run 60.550 km10
30.06 100km JPN34. Lake Saroma 100 km Ultramarathon 10:55:14 h747
19.05 60km JPN7th Tokyo Shibamata 60 km 5:55:13 h80
21.04 100km JPN29th Fuji 5 Lakes 100 km Challenge 11:46:55 h442
2018
22.04 100km JPN28th Fuji 5 Lakes 100 km Challenge 12:21:01 h514
17.03 6h JPN8th Iikoto Challenge - 6h 61.790 km9
2017
02.07 62km JPN1st Nikko 62km Ultramarathon 6:36:44 h41
23.04 71km JPN27th Fuji 5 Lakes 71 km Challenge 7:50:09 h143