Shinichi (宮崎親一) Miyazaki
ID 981320
Born : 1977 Cat. M45 Ultrarunner since 2017 JPN
40
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
68
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
2
Countries visited ?GREGreeceJPNJapan
11,4%
Rank quotient ?This runner's calculation uses 40 eligible race(s): Σ(rank − 1) = 1 655; Σ finishers = 14 466. 1 655 / 14 466 × 100 = 11.44%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed41
Km — ultra races6 016 km
> 100 km27
> 160 km15
> 200 km10
> 24h14
Longest race246,0 km
42. Spartathlon — 27/9/2025

Km per year (ultra races)

1 329
7 races
2022
1 005
6 races
2023
939
6 races
2024
704
5 races
2025
198
2 races
2026

Race types (share of distance)

Road97,7%
Stage2,3%

Wins & podiums (ultra)

🏆 Win5
🏆 Win M5
🏅 Top 36
🏅 Top 3 M7
Longest winning streak1
Current streak0

Records

100 km7h57'5524 h218,40 km

HISTORY

40 race(s) · 2 stage(s) nested · 4 split(s) nested
DateRacePerf.Rk
2026
11.04 8h JPN21st Toda Saiko 8 Hours 60.000 km71
28.03 24h JPN17th Jingu Gaien 24 Hour Challenge 138.037 km63
2025
27.09 246km GRE42. Spartathlon 30:09:22 h43
21.06 24h JPN20th Green Charity Marathon Tokyo - Hard Run 24H 114.700 km49
24.05 24h JPN4th Hirosaki 24h Ultra Run 153.313 km46
20.04 120km JPN35th Fuji 5 Lakes Sparta Challenge 10:38:51 h13
08.03 24h JPN16th Jingu Gaien 24 Hour Challenge 70.202 km99
2024
13.10 24h JPN2nd Aizu Yanaizu Akabeko Marathon - 24h 117.600 km15
28.09 246km GRE41. Spartathlon 28:48:32 h23
30.06 100km JPN39. Lake Saroma 100 km Ultramarathon 8:22:33 h45
21.05 24h JPN3rd Hirosaki 24h Ultra Run 149.921 km52
09.03 24h JPN1st Miyakojima Ultra Track Race 24-hour run 125.200 km15
07.01 200km JPN4th Japan Trophy 200 19:20:51 h1 🏆
2023
30.09 246km GRE40. Spartathlon 34:52:24 h188
19.08 24h JPN23th 24-hour relay & solo marathon Kobe 112.200 km61
25.06 100km JPN38. Lake Saroma 100 km Ultramarathon 8:54:43 h101
27.05 24h JPN2nd Hirosaki 24h Ultra Run 145.716 km40
11.03 24h JPN15th Jingu Gaien 24 Hour Challenge 201.333 km26
08.01 200km JPN3rd Japan Trophy 200 20:34:57 h4
2022
29.10 230km JPN9th Setouchi Angya - 230 km 28:33:00 h2 🥈
30.09 246km GRE39. Spartathlon 30:36:28 h31
30.07 24h JPN22th 24-hour relay & solo marathon Kobe 159.800 km14
16.07 24h JPN28th Fuji Hokuroku Park 24h 218.400 km1 🏆
03.07 8h JPN28th 8-Hour Endurance Race Tokorozawa 78.400 km14
22.05 24h JPN1st Hirosaki 24h Ultra Run 196.009 km7
09.01 200km JPN2nd Japan Trophy 200 28:43:00 h43
2021
05.12 100km JPN1st Tokyo Edogawa Ultra Marathon - 100 km 7:57:55 h5
06.11 230km JPN8th Setouchi Angya 2021 - 230 km 27:58:00 h1 🏆
31.10 55km JPN2nd Yamadera Zao 100 km Ultra Marathon 5:30:09 h23
03.07 24h JPN27th Fuji Hokuroku Park 24h 198.000 km1 🏆
10.04 70km JPN16th Toda Saiko 70 km 5:40:32 h36
03–04.04 136km/2stages JPN9th Arakawa Riverside Journey Stage Race 16:10:00 h7
2019
07.10 118km JPN1st Fuji 5 Lakes 118 km Autumn Challenge 10:27:53 h4
09.06 100km JPN8th Hida Takayama 100 km Ultramarathon 10:57:56 h337
04.05 217km JPN13th Nagasaki Tachibana Gulf Coast Super Maranic 217 25:52:40 h1 🏆
2018
24.06 100km JPN33. Lake Saroma 100 km Ultramarathon 8:38:12 h103
03.06 100km JPN6th Tokyo Shibamata 100 km 8:42:46 h14
04.05 217km JPN12th Nagasaki Tachibana Gulf Coast Super Maranic 217 29:12:33 h9
2017
17.12 100km JPN2nd Okinawa 100km Ultramarathon 9:09:22 h17
02.07 100km JPN1st Nikko 100km Ultramarathon 9:55:27 h70