Hiromichi (佐藤弘教) Sato
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Born : 1981
Cat. M45 Ultrarunner since 2015
15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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 ?Japan
Japan42,3%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 799; Σ finishers = 4 255. 1 799 / 4 255 × 100 = 42.28%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 519 km
> 100 km5
> 160 km4
> 24h1
Longest race187,8 km
2nd Last Samurai Standing Backyard Ultra - Tokyo — 20/11/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road20,5%
Trail67,1%
Elim.12,4%
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 01.11 | 80km | 5th Manno Mountain Madness 2025 |
16:36:27 h | 26 |
| 2024 | ||||
| 16.11 | 167km | 3rd Kumagawa Revival Trail |
36:23:17 h | 48 |
| 2023 | ||||
| 16.09 | 162.6km | 15th Shinetsu Five Mountains Trail 100 mile |
32:25:34 h | 206 |
| 11.08 | 90km | 4th Osaka Natsunojin Kurondo Rondo - 90 km |
20:02:59 h | 5 |
| 2022 | ||||
| 08.10 | 100mi | 1st bambi 100 |
27:32:00 h | 7 |
| 16.07 | 106.5km | 14th OSJ Ontake 100km Ultra Trail |
13:50:06 h | 174 |
| 2021 | ||||
| 20.11 | Backyard Ultra | 2nd Last Samurai Standing Backyard Ultra - Tokyo |
187.768 km (28h) | 13 |
| 25.04 | 100km | 6th Tokyo Ultra Marathon - 100 km |
12:01:58 h | 59 |
| 2019 | ||||
| 13.07 | 100km | 12th OSJ Ontake 100km Ultra Trail |
15:17:41 h | 350 |
| 25.05 | 50km | 5th Mt. Hiei Int. 50 km Trail Run |
10:20:15 h | 234 |
| 24.03 | 56km | 20th Mt. Rocco Cannonball Run - 56 km Speed |
7:19:00 h | 40 |
| 2018 | ||||
| 21.10 | 56km | 19th Mt. Rocco Cannonball Run - 56 km Speed |
8:01:28 h | 58 |
| 27.05 | 51.9km | 3rd Rokko 5 Peaks Trail Race |
9:58:53 h | 30 |
| 2016 | ||||
| 28.05 | 50km | 2nd Mt. Hiei Int. 50 km Trail Run |
9:28:01 h | 525 |
| 2015 | ||||
| 17.05 | 100km | 19th 100 km Ultramarathon Ako Seaside Park |
13:28:06 h | 39 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/11/2021 | 2nd Last Samurai Standing Backyard Ultra - Tokyo | 187,77 | ×5 |
| ✓ 2 | 16/11/2024 | 3rd Kumagawa Revival Trail | 167,00 | ×4 |
| ✓ 3 | 16/9/2023 | 15th Shinetsu Five Mountains Trail 100 mile | 162,60 | ×4 |
| ✓ 4 | 8/10/2022 | 1st bambi 100 | 160,93 | ×4 |
| ✓ 5 | 16/7/2022 | 14th OSJ Ontake 100km Ultra Trail | 106,50 | ×3 |
| ✓ 6 | 25/4/2021 | 6th Tokyo Ultra Marathon - 100 km | 100,00 | ×2 |
| ✓ 7 | 13/7/2019 | 12th OSJ Ontake 100km Ultra Trail | 100,00 | ×2 |
| ✓ 8 | 17/5/2015 | 19th 100 km Ultramarathon Ako Seaside Park | 100,00 | ×2 |
| ✓ 9 | 11/8/2023 | 4th Osaka Natsunojin Kurondo Rondo - 90 km | 90,00 | ×2 |
| ✓ 10 | 1/11/2025 | 5th Manno Mountain Madness 2025 | 80,00 | ×2 |
| ✓ 11 | 24/3/2019 | 20th Mt. Rocco Cannonball Run - 56 km Speed | 56,00 | ×1 |
| ✓ 12 | 21/10/2018 | 19th Mt. Rocco Cannonball Run - 56 km Speed | 56,00 | ×1 |
| ✓ 13 | 27/5/2018 | 3rd Rokko 5 Peaks Trail Race | 51,90 | ×1 |
| ✓ 14 | 25/5/2019 | 5th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 15 | 28/5/2016 | 2nd Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |