Mari (原真理) Hara
ID 737624
Born : 1963 Cat. W60 Ultrarunner since 2015 JPN
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
43
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
61,3%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 9 122; Σ finishers = 14 892. 9 122 / 14 892 × 100 = 61.25%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races2 293 km
> 100 km9
Longest race136,0 km
10th Arakawa Riverside Journey Stage Race — 21/3/2022

Km per year (ultra races)

402
4 races
2022
2023
70
1 race
2024
213
3 races
2025
2026

Race types (share of distance)

Road54,8%
Trail21,5%
Stage23,7%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F1
Longest winning streak0
Current streak0

Records

50 km10h59'56100 km12h40'09

HISTORY

27 race(s) · 6 stage(s) nested
DateRacePerf.Rk
2025
15.11 50km JPN11th FunTrails50K Round 10:59:56 h460
22.08 101km JPN12th World Cultural Heritage "Fuji" Foot Race 16:29:06 h168
26.01 62km JPN3. Minuma Challenge 60 8:46:02 h84
2024
20.10 70km JPN31. Ultramarathon Okumusashi 9:03:27 h350
2022
20.08 101km JPN9th World Cultural Heritage "Fuji" Foot Race 13:58:45 h37
17.07 65km JPN13th Nozawa Onsen 4100D Mountain Trail 12:53:47 h257
22.05 100km JPN28th Yatsugatake Nobeyama 100 km 12:40:09 h391
21–22.03 136km/2stages JPN10th Arakawa Riverside Journey Stage Race 18:15:00 h35
2021
12.12 69.1km JPN8th Izu Trail Journey 12:45:13 h1010
07.11 50km JPN5th Koshu Alps Lily Route Challenge 12:55:47 h195
23.07 65km JPN12th Nozawa Onsen 4100D Mountain Trail 12:38:21 h314
03–04.04 136km/2stages JPN9th Arakawa Riverside Journey Stage Race 18:02:00 h20
2020
22.08 101km JPN8th World Cultural Heritage "Fuji" Foot Race 15:45:04 h64
21.03 136km/2stages JPN8th Arakawa Riverside Journey Stage Race 17:06:21 h18
2019
08.12 71.7km JPN6th Izu Trail Journey 11:28:51 h807
13.10 47km JPN13th Madarao Forest Trails 50km 7:30:36 h217
21.09 75km JPN6th SkyView Ultra-Trail 70 - Yamada Noboru Memorial Cup 21:01:28 h419
17.08 101km JPN7th World Cultural Heritage "Fuji" Foot Race 15:17:27 h97
19.05 100km JPN25th Yatsugatake Nobeyama 100 km 13:29:30 h1081
16–17.03 136km/2stages JPN7th Arakawa Riverside Journey Stage Race 20:07:34 h59
2018
19.08 101km JPN6th World Cultural Heritage "Fuji" Foot Race 13:28:00 h41
30.06 8h JPN24th 8-Hour Endurance Race Tokorozawa 58.800 km90
03.06 78km JPN25. Ultramarathon Okumusashi 9:41:14 h573
20.05 100km JPN24th Yatsugatake Nobeyama 100 km 13:39:53 h1209
2017
01.07 8h JPN23rd 8-Hour Endurance Race Tokorozawa 51.936 km215
2016
05.06 78km JPN23. Ultramarathon Okumusashi 9:45:22 h763
2015
12.07 8h JPN21st 8-Hour Endurance Race Tokorozawa 52.688 km175