Wei-Bin (蔡卫斌) Cai
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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
58,7%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 1 993; Σ finishers = 3 393. 1 993 / 3 393 × 100 = 58.74%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races828 km
> 100 km1
> 160 km1
Longest race160,9 km
6th Jiangnan 100 Ultra Trail - 100mi — 13/11/2020
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
11 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 13/11/2020 | 6th Jiangnan 100 Ultra Trail - 100mi | 160,93 | ×6 |
| ✓ 2 | 15/4/2023 | 1st Huangshan huizhou trail race | 100,00 | ×4 |
| ✓ 3 | 24/8/2019 | 3rd Ultra Trail Challenge Bailidujuan 100 | 100,00 | ×4 |
| ✓ 4 | 11/11/2017 | 1st GZ100 Guangzhou - 100 km Run | 100,00 | ×4 |
| ✓ 5 | 5/8/2017 | 1st Ultra Trail Challenge Bailidujuan 100 | 60,00 | ×2 |
| ✓ 6 | 5/3/2017 | 2nd Conghua CH50 | 55,80 | ×2 |
| ✓ 7 | 31/3/2018 | 3rd Conghua CH50 - 51 km Run | 51,00 | ×2 |
| ✓ 8 | 22/11/2025 | 8th Conghua CH50 - 50 km Run | 50,00 | ×2 |
| ✓ 9 | 23/8/2025 | 6th Ultra Trail Challenge Bailidujuan 50 | 50,00 | ×2 |
| ✓ 10 | 14/12/2019 | 1st Gupo Mountain Ultra Trail - 50 km | 50,00 | ×2 |
| ✓ 11 | 21/4/2018 | 1st Ultra-Trail Qingyuan Feixia Mountain | 50,00 | ×2 |