Michiko (髙橋美智子) Takahashi
ID 1636637
Ultrarunner since 2021 JPN
40
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
55
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
55,2%
Rank quotient ?This runner's calculation uses 40 eligible race(s): Σ(rank − 1) = 4 407; Σ finishers = 7 988. 4 407 / 7 988 × 100 = 55.17%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed40
Km — ultra races4 407 km
> 100 km23
> 160 km2
> 200 km1
Longest race225,0 km
14th Gunma 100km Walk — 10/5/2025

Km per year (ultra races)

922
9 races
2022
845
8 races
2023
952
9 races
2024
854
7 races
2025
525
4 races
2026

Race types (share of distance)

Road32,1%
Trail18,9%
Ult.Walk49,0%

Records

100 km19h42'5450 mi15h19'36

HISTORY

40 race(s)
DateRacePerf.Rk
2026
06.06 125km JPN10th Fujisan Issyu Walking 27:53:36 h256
02.05 200km JPN9th Ultra Walking around Lake Biwa 2d 07:05:11 h231
04.04 100km JPN5th Miura-Halbinsel-Tour Ultra Walking 19:42:54 h161
28.03 100km JPN2nd Tokyo Story Ultra Walking 24:42:53 h137
2025
23.08 100km JPN1st Summer Karuizawa and Joshu Nakasendo Ultra Walking 26:44:58 h117
19.07 102km JPN2nd Shinshu Nakasendo 12 Stations Ultra Race 29:28:47 h182
07.06 125km JPN9th Fujisan Issyu Walking 27:25:33 h186
24.05 100km JPN7th Tsukuba Rinrin Road 100km 20:20:34 h111
10.05 225km JPN14th Gunma 100km Walk 23:09:19 h222
22.03 100km JPN1st Tokyo Story Ultra Walking 24:49:57 h150
11.01 102km JPN2nd Nara Mahoroba Ultra Walking 21:37:18 h89
2024
23.11 103km JPN3rd Kyoto Ultra Walking 110km 22:53:50 h104
26.10 104km JPN5th Shodoshima Round Ultra Run 22:57:28 h66
14.09 100km JPN10th Nishi Seto Expressway Ultra Run 23:15:22 h96
03.08 105km JPN1st Shinshu Nakasendo 12 Stations Ultra Race 26:51:26 h87
13.07 105km JPN4th Nihondaira and Suruganokuni Ultra Run 29:20:02 h87
29.06 100km JPN6th Hakone Kodo Ultra Walking 25:33:25 h124
08.06 110km JPN2nd Awaji Island Round Ultra 25:57:20 h98
25.05 125km JPN8th Fujisan Issyu Walking 27:27:08 h148
13.01 100km JPN1st Nara Mahoroba Ultra Walking 23:33:30 h122
2023
16.12 91km JPN1st Okinawa Churaumi Ultra Walking 21:53:46 h59
18.11 100km JPN1st Owari Mikawa Ultra Walking 23:15:24 h88
28.10 104km JPN4th Shodoshima Round Ultra Run 22:08:40 h67
16.09 100km JPN9th Nishi Seto Expressway Ultra Run 22:04:52 h60
10.06 125km JPN7th Fujisan Issyu Walking 26:29:39 h95
27.05 100km JPN5th Tsukuba Rinrin Road 100km 20:47:00 h113
18.03 115km JPN6th Lake Kasumigaura Ultra Run 25:03:10 h40
11.02 110km JPN1st Awaji Island Round Ultra 23:09:10 h76
2022
26.11 110km JPN1st Kyoto Ultra Walking 110km 26:48:36 h157
29.10 104km JPN3rd Shodoshima Round Ultra Run 22:27:01 h84
15.10 100km JPN5th Nakasendo to Kisoji Ultra Run 25:57:11 h74
17.09 80km JPN8th Nishi Seto Expressway Ultra Run 17:32:37 h169
11.06 125km JPN6th Fujisan Issyu Walking 26:48:28 h81
28.05 100km JPN4th Tsukuba Rinrin Road 100km 21:20:00 h100
03.05 105km JPN1st Miura-Halbinsel-Tour Ultra Walking 24:34:23 h80
26.02 93km JPN2nd Nihondaira and Suruganokuni Ultra Run 23:53:29 h59
11.02 105km JPN1st Kobe Akashi Ultra Marathon 24:29:09 h76
2021
04.12 80km JPN7th Nishi Seto Expressway Ultra Run 15:19:36 h45
30.10 104km JPN2nd Shodoshima Round Ultra Run 22:57:50 h80
12.06 125km JPN5th Fujisan Issyu Walking 26:18:14 h70