Teruhiko (浅井輝彦) Asai
ID 841104
Born : 1975 Cat. M50 Ultrarunner since 2016 JPN
24
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
32,6%
Rank quotient ?This runner's calculation uses 24 eligible race(s): Σ(rank − 1) = 5 663; Σ finishers = 17 363. 5 663 / 17 363 × 100 = 32.62%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed24
Km — ultra races2 260 km
> 100 km4
> 160 km1
Longest race199,0 km
20th Taiyou No Michi 200km — 11/9/2020

Km per year (ultra races)

309
3 races
2022
374
4 races
2023
2024
160
2 races
2025
160
2 races
2026

Race types (share of distance)

Road71,5%
Trail28,5%

Records

50 km8h01'05100 km8h57'12

HISTORY

24 race(s)
DateRacePerf.Rk
2026
14.06 100km JPN14th Hida Takayama 100 km Ultramarathon 13:50:17 h1479
23.05 60km JPN5th Tokyo Grand Trail - 60km 12:21:41 h36
2025
17.08 60km JPN14th World Geopark Trail Run in Sanin Kaigan 8:57:27 h16
20.04 100km JPN35th Fuji 4 Lakes 100 km Challenge 9:35:55 h90
2023
26.08 65km JPN26th Mt. Tateyama Climbathon 8:54:15 h19
11.06 100km JPN11th Hida Takayama 100 km Ultramarathon 13:58:25 h1293
20.05 109.2km JPN8th Trainic World 100 km in Sai-No-Kuni 21:20:17 h30
15.04 100km JPN2nd Atsumi Peninsula Ultra Nature Run - 100km 8:57:12 h9
2022
12.06 100km JPN10th Hida Takayama 100 km Ultramarathon 9:52:08 h92
21.05 109.2km JPN7th Trainic World 100 km in Sai-No-Kuni 28:20:45 h229
17.04 100km JPN32th Fuji 5 Lakes 100 km Challenge 9:32:14 h77
2021
25.04 100km JPN6th Tokyo Ultra Marathon - 100 km 11:57:39 h57
2020
11.09 199km JPN20th Taiyou No Michi 200km 39:24:00 h7
23.08 60km JPN9th World Geopark Trail Run in Sanin Kaigan 8:33:40 h16
2019
29.09 57km JPN11th Shinshu-Togakushi Trail Run Race 9:09:43 h36
23.06 72.6km JPN6. Spatrail - Shima to Kusatsu 72K 9:48:21 h76
21.04 100km JPN29th Fuji 5 Lakes 100 km Challenge 9:39:28 h97
2018
02.12 50km JPN6th Kumano Old Trails 8:01:05 h73
16.09 100km JPN18th Tango 100 km Ultramarathon 10:33:41 h116
20.05 100km JPN24th Yatsugatake Nobeyama 100 km 10:27:16 h112
2017
10.09 100km JPN5th 100 km Ultramarathon Hakusan-Shirakawago 11:19:33 h93
11.06 100km JPN6th Hida Takayama 100 km Ultramarathon 11:27:36 h409
23.04 118km JPN27th Fuji 5 Lakes 118 km Challenge 14:23:46 h367
2016
12.06 100km JPN5th Hida Takayama 100 km Ultramarathon 13:14:33 h858