Mami (後藤満美) Goto
ID 288228
Born : 1972 Cat. W50 Ultrarunner since 2012 JPN
45
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
54
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
4
Countries visited ?ITAItalyJPNJapanTHAThailandTPETaiwan
50,6%
Rank quotient ?This runner's calculation uses 45 eligible race(s): Σ(rank − 1) = 14 735; Σ finishers = 29 147. 14 735 / 29 147 × 100 = 50.55%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed45
Km — ultra races4 469 km
> 100 km21
> 160 km7
Longest race170,0 km
5th Ultra-Trail Mt. Fuji (UTMF) — 27/4/2018

Km per year (ultra races)

439
4 races
2022
380
3 races
2023
363
4 races
2024
468
4 races
2025
432
3 races
2026

Race types (share of distance)

Road13,0%
Trail87,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F1
🏅 Top 30
🏅 Top 3 F5
Longest winning streak0
Current streak0

Records

50 km7h37'39100 km13h45'5950 mi14h16'29100 mi40h35'3412 h91,50 km

HISTORY

45 race(s)
DateRacePerf.Rk
2026
20.06 105km JPN2nd Kaga Spa by UTMB - Kaga Spa Trail Endurance100 20:35:49 h216
22.05 160km JPN5th Tokyo Grand Trail - 100mi 44:16:14 h52
24.04 167km JPN11th Ultra-Trail Mt. Fuji 37:53:41 h494
2025
15.11 100km JPN11th FunTrails100K Round 22:43:44 h80
29.08 101km ITA19ème Courmayeur-Champex-Chamonix 24:47:48 h1265
05.07 100km JPN3rd Shiga Kogen 100 22:30:01 h147
25.04 167km JPN10th Ultra-Trail Mt. Fuji 40:30:55 h813
2024
07.12 93km THA1st Chiangmai Thailand by UTMB - ELEPHANT 100 19:23:31 h238
06.10 51.4km JPN12th Trainic world Ogose-Tokigawa Trail Run 50km 7:47:26 h38
14.07 109.2km JPN16th OSJ Ontake 100km Ultra Trail 15:51:36 h431
18.05 109.2km JPN9th Trainic World 100 km in Sai-No-Kuni 23:49:11 h52
2023
25.11 104km TPE7th Formosa Trail 104km 22:31:47 h29
20.05 109.2km JPN8th Trainic World 100 km in Sai-No-Kuni 21:56:59 h34
21.04 167km JPN8th Ultra-Trail Mt. Fuji 35:22:53 h520
2022
20.11 106km JPN8th FunTrails100K Round 21:38:12 h87
26.06 51km JPN3rd FunTrails Round Minano 8:40:57 h78
22.04 167km JPN7th Ultra-Trail Mt. Fuji 33:57:41 h509
12.03 115km JPN12th Oedo Night run 115k 14:33:33 h13
2021
20.11 106km JPN7th FunTrails100K Round 21:40:44 h121
25.09 54km JPN8th Shigakogen Extreme Trail 11:39:54 h196
23.07 65km JPN12th Nozawa Onsen 4100D Mountain Trail Pair 11:05:12 h13
23.04 100mi JPN1st Mt. Fuji 100 Mile Challenge 40:35:34 h26
27.03 115km JPN11th Oedo Night run 115k 14:51:44 h10
2020
13.12 66km JPN7th Izu Trail Journey 10:57:04 h596
05.07 8h JPN26th 8-Hour Endurance Race Tokorozawa 58.800 km143
2019
21.09 143km JPN6th SkyView Ultra-Trail 140 - Yamada Noboru Memorial Cup 33:59:37 h342
13.07 65km JPN10th Nozawa Onsen 4100D Mountain Trail 11:05:10 h102
16.06 48.3km JPN1st FunTrails Round Minano 9:02:57 h73
01.06 12h JPN18. Green Charity Marathon Tokyo - Night Run 12H 91.500 km7
2018
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 16:16:48 h485
27.04 170km JPN5th Ultra-Trail Mt. Fuji 43:07:39 h689
2017
16.09 102km JPN9th Shinetsu Five Mountains Trail 100 mile 19:53:22 h334
01.07 80km JPN7th Utsukushigahara 80 km Trail Run 14:16:29 h564
2016
09.10 71.5km JPN24th Hasetsune Cup - Japan Mountain Endurance Race 17:13:24 h1007
02.07 80km JPN6th Utsukushigahara 80 km Trail Run 15:29:25 h456
2015
21.11 104km JPN1st FunTrails100K Round 28:28:07 h266
04.07 80km JPN5th Utsukushigahara 80 km Trail Run 15:26:19 h406
15.03 72km JPN2nd Izu Trail Journey 12:46:01 h722
2014
25.04 100mi JPN3rd Ultra-Trail Mt. Fuji 40:35:50 h385
2013
10.11 50km JPN5th Kanna Mountain Run II 9:17:44 h104
29.09 50km JPN3rd SkyView Ultra-Trail 9:20:37 h190
21.04 100km JPN23rd Fuji 5 Lakes 100 km Challenge 13:49:12 h705
10.03 72km JPN1st Izu Trail Journey 11:44:26 h568
2012
07.10 50km JPN6th Madarao Forest Trails 50km 7:37:39 h222
22.04 100km JPN22nd Fuji 5 Lakes 100 km Challenge 13:45:59 h952