Li-Wei (郑立伟) Zheng
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9
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
85,5%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 487; Σ finishers = 1 739. 1 487 / 1 739 × 100 = 85.51%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races758 km
> 100 km2
> 160 km1
Longest race165,2 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
9 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/8/2020 | 3rd Inner Mongolia 160km Ultra Marathon - Laoniuwan | 165,20 | ×6 |
| ✓ 2 | 30/11/2019 | 1st Chengdu Trail 100+ Challenge - Tuoxia Gorge | 111,10 | ×4 |
| ✓ 3 | 16/11/2024 | 2nd Across Mountains and Seas 100km TrailRun | 100,00 | ×4 |
| ✓ 4 | 18/4/2025 | 7th Yunqiu Mountain Trail - DMY 100K | 96,80 | ×3 |
| ✓ 5 | 24/5/2025 | 13th DL80 Ultra Endurance Race | 75,00 | ×3 |
| ✓ 6 | 17/8/2019 | 2nd Inner Mongolia 60km Ultra Marathon - Laoniuwan | 60,00 | ×2 |
| ✓ 7 | 15/6/2025 | 1st Alxa East County | 50,00 | ×2 |
| ✓ 8 | 16/5/2021 | 6th Jingxigudao Cyclo Cross | 50,00 | ×2 |
| ✓ 9 | 2/10/2019 | 3rd Antu Four Mountain One Lake Trail - 50km | 50,00 | ×2 |