Shiho (成田志保) Narita
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 : 1970
Cat. W55 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
3
Countries visited ?
FranceJapan
Switzerland
FranceJapanSwitzerland40,4%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 3 873; Σ finishers = 9 580. 3 873 / 9 580 × 100 = 40.43%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 374 km
> 100 km3
> 160 km2
Longest race171,0 km
17ème Ultra Trail Tour du Mont Blanc (UTMB) — 30/8/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road21,0%
Trail79,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F1
Longest winning streak0
Current streak0
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/8/2019 | 17ème Ultra Trail Tour du Mont Blanc (UTMB) | 171,00 | ×5 |
| ✓ 2 | 15/9/2018 | 10th Shinetsu Five Mountains Trail 100 mile | 160,93 | ×4 |
| ✓ 3 | 12/5/2018 | 2nd Aso Round Trail | 108,70 | ×3 |
| ✓ 4 | 15/7/2017 | 10th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 5 | 12/6/2016 | 5th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 14/7/2018 | 6. Eiger Ultra Trail 85 km - Neustart | 85,00 | ×2 |
| ✓ 7 | 19/5/2019 | 24th Saba Highway Ultramarathon | 72,00 | ×2 |
| ✓ 8 | 7/4/2019 | 5th Okumikawa Power Trail | 70,00 | ×2 |
| ✓ 9 | 23/4/2017 | 3rd Okumikawa Power Trail | 70,00 | ×2 |
| ✓ 10 | 3/5/2016 | 24. Mukogawa Yurikamome Ultra Marathon | 70,00 | ×2 |
| ✓ 11 | 25/9/2016 | 19th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |
| ✓ 12 | 1/12/2019 | 7th Kumano Old Trails | 50,00 | ×1 |
| ✓ 13 | 3/11/2019 | 6th Nakanoto Treasure Trail Run Festival | 50,00 | ×1 |
| ✓ 14 | 1/10/2017 | 11th Madarao Forest Trails 50km | 50,00 | ×1 |
| ✓ 15 | 13/5/2017 | 3rd Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 16 | 2/10/2016 | 10th Madarao Forest Trails 50km | 50,00 | ×1 |
| ✓ 17 | 27/3/2016 | 2nd Osaka Yodogawa 50 km Ultra Marathon | 50,00 | ×1 |