Shuichi (中村秀一) Nakamura
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1967
Cat. M55 Ultrarunner since 2016
17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
Japan61,0%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 5 477; Σ finishers = 8 981. 5 477 / 8 981 × 100 = 60.98%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 456 km
> 100 km5
Longest race130,0 km
6th Kyoto Great Round 130 km — 28/12/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road63,7%
Trail36,3%
Records
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/12/2025 | 6th Kyoto Great Round 130 km | 130,00 | ×3 |
| ✓ 2 | 29/12/2022 | 3rd Kyoto Great Round 130 km | 130,00 | ×3 |
| ✓ 3 | 23/8/2024 | 11th World Cultural Heritage "Fuji" Foot Race | 101,00 | ×3 |
| ✓ 4 | 20/8/2022 | 9th World Cultural Heritage "Fuji" Foot Race | 101,00 | ×3 |
| ✓ 5 | 17/8/2019 | 7th World Cultural Heritage "Fuji" Foot Race | 101,00 | ×3 |
| ✓ 6 | 15/4/2023 | 2nd Yagurazawa Round Trip Pre-Tournament | 100,00 | ×3 |
| ✓ 7 | 17/4/2022 | 32th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 8 | 25/4/2021 | 6th Tamagawa Ultra Marathon - 80 km | 80,00 | ×2 |
| ✓ 9 | 4/6/2023 | 30. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 10 | 5/6/2022 | 29. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 11 | 9/12/2018 | 5th Izu Trail Journey | 71,70 | ×2 |
| ✓ 12 | 10/12/2017 | 4th Izu Trail Journey | 71,70 | ×2 |
| ✓ 13 | 23/4/2017 | 27th Fuji 5 Lakes 71 km Challenge | 71,00 | ×2 |
| ✓ 14 | 11/12/2022 | 9th Izu Trail Journey | 70,00 | ×2 |
| ✓ 15 | 28/4/2019 | 4th Tamagawa Ultra Marathon - 60 km | 60,00 | ×1 |
| ✓ 16 | 27/3/2016 | 12th Izu Oshima Ultra 58 km | 58,00 | ×1 |
| ✓ 17 | 11/5/2019 | 3rd Aso Round Trail Half | 54,50 | ×1 |