Hai-Bin (窦海滨) Dou
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.
11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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 ?
China
21,0%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 763; Σ finishers = 3 633. 763 / 3 633 × 100 = 21.00%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races807 km
Longest race100,0 km
1st Across Mountains and Seas 100km TrailRun — 9/12/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road6,2%
Trail93,8%
HISTORY
11 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 9/12/2023 | 1st Across Mountains and Seas 100km TrailRun | 100,00 | ×4 |
| ✓ 2 | 15/4/2023 | 1st Huangshan huizhou trail race | 100,00 | ×4 |
| ✓ 3 | 14/10/2017 | 5th Ninghai Ultra Trail - 100km | 100,00 | ×4 |
| ✓ 4 | 18/3/2017 | 4th Hangzhou 100 Ultra Trail Race | 100,00 | ×4 |
| ✓ 5 | 11/11/2023 | 8th Jiangnan 100 Ultra Trail - 50mi | 80,47 | ×3 |
| ✓ 6 | 22/4/2017 | 3rd Ultimate Tsaigu Trail Kuocang - 60 km | 62,00 | ×2 |
| ✓ 7 | 27/11/2016 | 3rd 9 Long Lake Trail | 60,00 | ×2 |
| ✓ 8 | 31/3/2024 | 3rd Welnig Golden Coast Run | 55,00 | ×2 |
| ✓ 9 | 16/4/2021 | 7th Jiangnan 100 Ultra Trail - 50km | 50,00 | ×2 |
| ✓ 10 | 5/3/2017 | 2nd Ninghai Classic 50km | 50,00 | ×2 |
| ✓ 11 | 24/9/2016 | 5th Jiwu Hangzhou 50K | 50,00 | ×2 |