Naomi (神山直美) Kamiyama
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 : 1964
Cat. W60 Ultrarunner since 2010
16
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
Japan35,5%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 6 323; Σ finishers = 17 793. 6 323 / 17 793 × 100 = 35.54%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 600 km
Longest race100,0 km
13th Hida Takayama 100 km Ultramarathon — 8/6/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road93,8%
Trail6,3%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F1
Longest winning streak0
Current streak0
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/6/2025 | 13th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 2 | 21/4/2024 | 34th Fuji 4 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 3 | 11/6/2023 | 11th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 4 | 9/10/2022 | 14th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 12/6/2022 | 10th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 22/4/2018 | 28th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 7 | 11/6/2017 | 6th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 8 | 9/10/2016 | 11th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 9 | 22/5/2016 | 22nd Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 10 | 20/9/2015 | 15th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 11 | 29/9/2013 | 1st 100 km Ultramarathon Hakusan-Shirakawago | 100,00 | ×3 |
| ✓ 12 | 21/9/2012 | 12th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 13 | 10/6/2012 | 1st Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 14 | 16/10/2011 | 17th River Shimanto 100km | 100,00 | ×3 |
| ✓ 15 | 19/6/2011 | 6. Okinoshima 100km Ultra Marathon | 100,00 | ×3 |
| ✓ 16 | 19/9/2010 | 10th Tango 100 km Ultramarathon | 100,00 | ×3 |