Naoto (渡辺直人) Watanabe
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 : 1992
Cat. M23 Ultrarunner since 2010
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
14
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
Japan34,6%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 842; Σ finishers = 2 431. 842 / 2 431 × 100 = 34.64%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed3
Km — ultra races222 km
Longest race100,0 km
20th Fuji 5 Lakes 100 km Challenge — 25/4/2010
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road45,1%
Trail54,9%
Records
HISTORY
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2021 | ||||
| 04.04 | 50km | 1st Yasu Ultrunrace 50 km |
8:33:28 h | 11 |
| 2010 | ||||
| 10.10 | 71.5km | 18th Hasetsune Cup - Japan Mountain Endurance Race |
12:26:18 h | 211 |
| 25.04 | 100km | 20th Fuji 5 Lakes 100 km Challenge |
13:37:42 h | 623 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/4/2010 | 20th Fuji 5 Lakes 100 km Challenge | 100,00 | ×7 |
| ✓ 2 | 10/10/2010 | 18th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×5 |
| ✓ 3 | 4/4/2021 | 1st Yasu Ultrunrace 50 km | 50,00 | ×3 |