Kumiko (網蔵久美子) Amikura
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.
16
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
14,7%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 1 458; Σ finishers = 9 887. 1 458 / 9 887 × 100 = 14.75%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 522 km
> 100 km5
> 160 km2
Longest race160,9 km
3rd Ultra-Trail Mt. Fuji (UTMF) — 25/4/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road34,4%
Trail65,6%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F2
🏅 Top 30
🏅 Top 3 F6
Longest winning streak0
Current streak0
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/4/2014 | 3rd Ultra-Trail Mt. Fuji (UTMF) | 160,93 | ×4 |
| ✓ 2 | 26/4/2013 | 2nd Ultra-Trail Mount Fuji (UTMF) | 160,93 | ×4 |
| ✓ 3 | 26/10/2013 | 9th Mt. Rocco Cannonball Run - 112 km Power | 112,00 | ×3 |
| ✓ 4 | 23/3/2013 | 8th Mt. Rocco Cannonball Run - 112 km Power | 112,00 | ×3 |
| ✓ 5 | 15/9/2013 | 5th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 6 | 6/3/2016 | 2nd Nagoura Marathon 100 km | 100,00 | ×2 |
| ✓ 7 | 8/6/2014 | 3rd Hida Takayama 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 8 | 19/5/2013 | 19th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 9 | 13/1/2013 | 23rd Miyako 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 10 | 19/5/2012 | 1st Shizuoka to Yamanashi (STY) | 82,00 | ×2 |
| ✓ 11 | 4/7/2015 | 5th Utsukushigahara 80 km Trail Run | 80,00 | ×2 |
| ✓ 12 | 7/10/2012 | 20th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 13 | 23/4/2017 | 3rd Okumikawa Power Trail | 70,00 | ×2 |
| ✓ 14 | 21/7/2015 | 3rd Kirishima Ebino-kougen Extreme Trail | 63,00 | ×1 |
| ✓ 15 | 30/5/2015 | 1st Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 16 | 2/10/2011 | 1st SkyView Ultra-Trail | 50,00 | ×1 |