Jian-Zhang (卢健璋) Lu
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18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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
2
Countries visited ?
China
Hong Kong
24,2%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 1 262; Σ finishers = 5 223. 1 262 / 5 223 × 100 = 24.16%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 310 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
18 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 | ×5 |
| ✓ 2 | 30/6/2018 | 2nd Longji Ultra Trail Running Race - 100 km | 100,00 | ×3 |
| ✓ 3 | 6/1/2018 | 1st Maoming Dianbai 100km Trail Race | 100,00 | ×3 |
| ✓ 4 | 22/4/2017 | 3rd Ultimate Tsaigu Trail Kuocang - 100 km | 100,00 | ×3 |
| ✓ 5 | 14/1/2017 | 7th Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 6 | 16/4/2016 | 1st Huangshan 100K | 100,00 | ×3 |
| ✓ 7 | 16/4/2021 | 7th Jiangnan 100 Ultra Trail - 85km | 85,00 | ×2 |
| ✓ 8 | 31/3/2018 | 3rd Conghua CH50 - 57 km Run | 57,00 | ×1 |
| ✓ 9 | 5/9/2020 | 6th Trail Mt Wugong 56 km | 56,00 | ×1 |
| ✓ 10 | 9/9/2018 | 4th Trail Mt Wugong 56 km | 56,00 | ×1 |
| ✓ 11 | 12/4/2026 | 1st Daba Cunye Trail Running Challenge | 50,00 | ×1 |
| ✓ 12 | 29/7/2023 | 4th Ultra Trail Challenge Bailidujuan 50 | 50,00 | ×1 |
| ✓ 13 | 5/12/2020 | 4th China 100 mountain cross - 50 km Yangshuo | 50,00 | ×1 |
| ✓ 14 | 22/11/2020 | 2nd Cross-Country Zhongshan | 50,00 | ×1 |
| ✓ 15 | 24/11/2019 | 1st Cross-Country Zhongshan | 50,00 | ×1 |
| ✓ 16 | 6/11/2016 | Singwood Trailathon | 50,00 | ×1 |
| ✓ 17 | 5/6/2016 | 1st Guangzhou longdong Trail 50 | 50,00 | ×1 |
| ✓ 18 | 28/11/2015 | 1st Maxi-Race Yangshuo China 45 km | 45,00 | ×1 |