Naoya (浅見直哉) Asami
Born : 1966 Cat. M60 Ultrarunner since 2015 JPN
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
40,0%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 9 572; Σ finishers = 23 908. 9 572 / 23 908 × 100 = 40.04%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed30
Km — ultra races2 943 km
> 100 km10
> 160 km4
> 200 km2
Longest race235,0 km

Km per year (ultra races)

486
4 races
2022
285
1 race
2023
238
2 races
2024
151
2 races
2025
60
1 race
2026

Race types (share of distance)

Road44,9%
Trail53,2%
Stage1,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0

HISTORY

30 race(s)
DateRacePerf.Rk
2026
23.05 60km JPN5th Tokyo Grand Trail - 60km 11:41:47 h27
2025
07.09 50km JPN14th Hakuba Int. Trail Run 9:36:29 h231
07.06 100.8km JPN5th Okushinano 100 19:17:45 h354
2024
08.06 100mi JPN3rd Kuman 100 34:40:15 h19
19.05 77km JPN29th Saba Highway Ultramarathon 9:10:59 h66
2023
11.03 230km JPN13th Little Edo Oedo 230k 35:37:59 h29
05.03 55km JPN2nd Ultra Udon Maranic stage 2 - 55km 7:51:24 h53
2022
17.09 162.6km JPN14th Shinetsu Five Mountains Trail 100 mile 32:38:58 h186
02.07 85km JPN12th Utsukushigahara 85 km Trail Run 15:36:17 h78
25.06 138km JPN1st Deep Japan Ultra 100 - 138 km 33:58:24 h5
11.06 100.8km JPN2nd Okushinano 100 16:34:08 h175
2021
07.11 50km JPN5th Koshu Alps Lily Route Challenge 9:07:42 h39
27.02 235km JPN11th Little Edo Oedo 235k 34:53:02 h34
2020
13.12 66km JPN7th Izu Trail Journey 9:51:07 h357
2019
03.11 67km JPN3rd Koshu Alps Haute Route Challenge 13:56:40 h101
15.09 110km JPN11th Shinetsu Five Mountains Trail 110km 21:34:25 h314
17.08 101km JPN7th World Cultural Heritage "Fuji" Foot Race 12:29:12 h22
11.08 50km JPN1st OSJ Mahirusanchi Trail 50K 11:47:19 h201
30.06 100km JPN34. Lake Saroma 100 km Ultramarathon 9:55:30 h386
11.05 121km JPN3rd Aso Round Trail 27:52:53 h206
2018
09.12 71.7km JPN5th Izu Trail Journey 12:53:28 h903
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 20:45:40 h1215
09.09 51.4km JPN8th Hakuba Int. Trail Run 8:04:50 h225
24.06 100km JPN33. Lake Saroma 100 km Ultramarathon 11:43:59 h1208
03.06 78km JPN25. Ultramarathon Okumusashi 8:55:34 h334
2017
10.09 50km JPN9th Shinshu-Togakushi Trail Run Race 8:56:34 h139
25.06 100km JPN32. Lake Saroma 100 km Ultramarathon 10:31:35 h506
2016
09.10 100km JPN11th Echigo Kubikino 100km Ultramarathon 10:50:17 h260
26.06 100km JPN31. Lake Saroma 100 km Ultramarathon 10:15:00 h592
2015
28.06 100km JPN30. Lake Saroma 100 km Ultramarathon 11:47:39 h1389