Zheng-Qiang (何正强) He
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14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
33,2%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 563; Σ finishers = 1 697. 563 / 1 697 × 100 = 33.18%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 104 km
> 100 km2
> 160 km1
Longest race168,0 km
6th HK168 - 168 km ultra-endurance race — 30/11/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
14 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/11/2018 | 6th HK168 - 168 km ultra-endurance race | 168,00 | ×5 |
| ✓ 2 | 24/10/2020 | 6th Ultimate Tsaigu Trail Kuocang - 115 km | 115,00 | ×3 |
| ✓ 3 | 7/11/2020 | 5th Conghua CH50 - 100 km Run | 100,00 | ×3 |
| ✓ 4 | 14/4/2018 | 1st China Ultra 100 - Guilin | 100,00 | ×3 |
| ✓ 5 | 3/3/2018 | 2nd Baibin 100 Ultra Trail Dapeng - 100 km Run | 100,00 | ×3 |
| ✓ 6 | 23/12/2017 | 3rd Ultra Trail Shenzhen 100km (UTSZ) | 100,00 | ×3 |
| ✓ 7 | 5/11/2017 | 3rd Wuyishan Trail Race 60 km | 60,00 | ×2 |
| ✓ 8 | 31/3/2018 | 3rd Conghua CH50 - 57 km Run | 57,00 | ×1 |
| ✓ 9 | 11/11/2017 | 1st GZ100 Guangzhou - 54 km Run | 54,00 | ×1 |
| ✓ 10 | 5/12/2020 | 1st Trans Canton - Guangzhou | 50,00 | ×1 |
| ✓ 11 | 14/12/2019 | 1st Trans Canton - Longdong | 50,00 | ×1 |
| ✓ 12 | 3/6/2018 | 3rd Guangzhou longdong Trail 50 | 50,00 | ×1 |
| ✓ 13 | 14/5/2017 | 2nd Guangzhou longdong Trail 50 | 50,00 | ×1 |
| ✓ 14 | 6/11/2016 | Singwood Trailathon | 50,00 | ×1 |