Manabu (川田学) Kawada
ID 1267441
Born : 1980 Cat. M45 Ultrarunner since 2019 JPN
18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
66,9%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 3 666; Σ finishers = 5 480. 3 666 / 5 480 × 100 = 66.90%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed22
Km — ultra races1 650 km
> 100 km5
Longest race149,0 km
2nd Modern Japanese Silk Road Journey Run — 29/3/2025

Km per year (ultra races)

334
4 races
2022
78
1 race
2023
294
2 races
2024
361
3 races
2025
193
2 races
2026

Race types (share of distance)

Road69,4%
Stage30,6%

Records

50 mi12h29'00

HISTORY

19 race(s) · 6 stage(s) nested
DateRacePerf.Rk
2026
11.04 8h JPN21st Toda Saiko 8 Hours 55.000 km107
14–15.03 138km/2stages JPN14th Arakawa Riverside Journey 20:45:52 h58
2025
15.11 142km JPN7th Autumn leaves in Okumusashi / Chichibu Journey run 24:55:16 h112
19.10 70km JPN32. Ultramarathon Okumusashi 8:32:14 h185
29–30.03 149km/2stages JPN2nd Modern Japanese Silk Road Journey Run 23:48:51 h66
2024
02.11 142km JPN6th Autumn leaves in Okumusashi / Chichibu Journey run 25:22:01 h125
20.10 70km JPN31. Ultramarathon Okumusashi 9:30:08 h428
16.03 82km JPN12th Arakawa Riverside Journey Stage Race - Stage 1 12:14:15 h102
2023
04.06 78km JPN30. Ultramarathon Okumusashi 10:29:51 h537
2022
03.07 8h JPN28th 8-Hour Endurance Race Tokorozawa 49.000 km192
05.06 78km JPN29. Ultramarathon Okumusashi 9:53:26 h526
09.04 71km JPN17th Toda Saiko 70 km 9:12:58 h155
21–22.03 136km/2stages JPN10th Arakawa Riverside Journey Stage Race 18:57:00 h46
2021
04.07 8h JPN27th 8-Hour Endurance Race Tokorozawa 63.700 km215
03.04 80km JPN9th Arakawa Riverside Journey - 80 km 12:29:00 h36
2020
22.08 63.7km JPN1st Toda Aya Lake Ultra Marathon 9:14:01 h106
05.07 8h JPN26th 8-Hour Endurance Race Tokorozawa 53.900 km177
2019
29.06 8h JPN25th 8-Hour Endurance Race Tokorozawa 58.800 km199
13.04 70km JPN14th Toda Saiko 70 km 8:26:57 h414