Naoya (藤田直哉) Fujita
ID 974729
Born : 1967 Cat. M55 Ultrarunner since 2017 JPN
11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
72,0%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 3 919; Σ finishers = 5 440. 3 919 / 5 440 × 100 = 72.04%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed11
Km — ultra races738 km
Longest race100,0 km
8th Okinawa 100km Ultramarathon — 21/12/2025

Km per year (ultra races)

2022
2023
62
1 race
2024
180
2 races
2025
60
1 race
2026

Race types (share of distance)

Road100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0

Records

50 km5h02'31100 km13h20'5350 mi12h13'08

HISTORY

11 race(s)
DateRacePerf.Rk
2026
12.04 60km JPN11th Tamagawa Ultra Marathon - 60 km 8:09:51 h45
2025
21.12 100km JPN8th Okinawa 100km Ultramarathon 13:20:53 h432
20.04 80km JPN35th Fuji 4 Lakes 80 km Challenge 12:13:08 h329
2024
21.04 62km JPN34th Fuji 3 Lakes 62 km Challenge 9:40:55 h885
2019
26.07 67.4km JPN1st Ultra Night Run Kamakura - Atami 67 9:48:15 h37
02.06 78km JPN26. Ultramarathon Okumusashi 10:33:34 h1083
28.04 50km JPN4th Tamagawa Ultra Marathon - 50 km 5:02:31 h3 🥉
2018
12.05 50km JPN3rd Tamagawa Ultra Marathon - 50 km 5:32:42 h3 🥉
22.04 71km JPN28th Fuji 5 Lakes 71 km Challenge 9:50:47 h438
2017
04.06 60km JPN5th Tokyo Shibamata 60 km 8:17:16 h630
23.04 60km JPN2nd Tamagawa Ultra Marathon - 60 km 9:50:13 h45