Masahiro (阿部真宇) Abe
Born : 1983 Cat. M40 Ultrarunner since 2017 JPN
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
52
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
25,9%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 1 452; Σ finishers = 5 601. 1 452 / 5 601 × 100 = 25.92%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races3 215 km
> 100 km17
> 160 km9
> 24h4
Longest race167,7 km
4th Last Dragon Ultra — 7/10/2023

Km per year (ultra races)

507
4 races
2022
602
4 races
2023
317
3 races
2024
277
2 races
2025
114
1 race
2026

Race types (share of distance)

Road13,3%
Trail75,0%
Elim.11,7%

HISTORY

29 race(s)
DateRacePerf.Rk
2026
09.05 114km JPN4th Aso Volcano Trail 20:23:39 h110
2025
13.09 162.2km JPN17th Shinetsu Five Mountains Trail 100 mile 29:07:34 h89
10.05 115.1km JPN3rd Aso Volcano Trail 18:15:24 h75
2024
16.11 167km JPN3rd Kumagawa Revival Trail 33:54:18 h22
19.10 100km JPN7th Iki 100 km Ultra Marathon 10:25:43 h37
06.07 50km JPN8th Minami-aso caldera Trail Summer 7:26:24 h11
2023
07.10 Backyard Ultra JPN4th Last Dragon Ultra 167.650 km (25h)11
16.09 162.6km JPN15th Shinetsu Five Mountains Trail 100 mile 30:10:43 h94
13.05 105km JPN1st Aso Volcano Trail 20:43:33 h20
11.03 167km JPN2nd Kumagawa Revival Trail 35:56:43 h27
2022
08.10 Backyard Ultra JPN3rd Last Dragon Ultra 114.002 km (17h)16
17.09 162.6km JPN14th Shinetsu Five Mountains Trail 100 mile 29:02:55 h64
07.08 63.5km JPN2nd Kyushu Sekiryou Piston trail 11:18:02 h15
05.03 167km JPN1st Kumagawa Revival Trail 32:08:56 h23
2021
18.09 Backyard Ultra JPN2nd Last Dragon Ultra 93.884 km (14h)20
25.07 60km JPN9th Kirishima Ebino-kougen Extreme Trail 8:55:58 h26
20.03 24h JPN1st GGR-solo-24h 104.000 km7
2020
10.10 100mi JPN6th OSJ Koumi 100 35:11:42 h91
21.03 112km JPN22th Mt. Rocco Cannonball Run - 112 km Power 18:46:48 h37
2019
27.10 73km JPN10th OSJ Hyonosen Mountains Trail Race 11:19:51 h32
14.09 100mi JPN11th Shinetsu Five Mountains Trail 100 mile 27:42:17 h83
02.06 52.7km JPN2nd Nagi Peaks Tough Trail Challenge 10:26:06 h73
23.03 112km JPN20th Mt. Rocco Cannonball Run - 112 km Power 18:43:00 h68
2018
20.10 73km JPN9th OSJ Hyonosen Mountains Trail Race 11:11:12 h48
16.09 110km JPN10th Shinetsu Five Mountains Trail 110km 18:36:02 h102
27.05 65km JPN3rd Osorakan-Trail 11:35:52 h72
2017
01.10 74.5km JPN2nd Shinjo-Hiruzen Super Trail 12:24:13 h86
28.05 65km JPN2nd Osorakan-Trail 11:48:41 h109
21.05 80km JPN1st Tsurugisan Super Rindo Mountain Marathon 13:10:00 h13