Ming (张明) Zhang
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17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
37,1%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 1 679; Σ finishers = 4 529. 1 679 / 4 529 × 100 = 37.07%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 325 km
> 100 km4
> 160 km1
Longest race168,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road11,3%
Trail88,7%
Records
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/7/2022 | 6th Columbia 168 Ultra Trail Chongli Challenge Race | 168,00 | ×5 |
| ✓ 2 | 22/11/2018 | 4th Ultra-Trail Three Gorges 116 km | 116,00 | ×3 |
| ✓ 3 | 7/12/2019 | 3rd Maxi-Race Yangshuo China 115 km | 115,00 | ×3 |
| ✓ 4 | 23/9/2017 | 2nd MaXi Race China Jiangshan 105 km | 105,00 | ×3 |
| ✓ 5 | 20/5/2017 | 2nd Qingdao Laoshan 100K Ultra Trail | 100,00 | ×3 |
| ✓ 6 | 14/7/2017 | 1st Columbia 88 Ultra Trail Chongli Challenge Race | 88,00 | ×2 |
| ✓ 7 | 2/11/2024 | 9th Ultra Trail Mt Siguniang 75 km | 75,00 | ×2 |
| ✓ 8 | 22/5/2021 | 5th TNF 100 Ultra Trail Challenge Moganshan - 70 km | 69,00 | ×2 |
| ✓ 9 | 17/9/2023 | 3rd Ultra Trail Shennongjia 65 km Salt Road Challenge | 67,30 | ×2 |
| ✓ 10 | 11/1/2026 | 1st The Wenling Fangshan | 60,00 | ×1 |
| ✓ 11 | 17/10/2020 | 2nd Jiangnan Skyrace- 55 km | 60,00 | ×1 |
| ✓ 12 | 2/5/2023 | 4th Huanglong Ultra Trail - XBD 50 | 52,00 | ×1 |
| ✓ 13 | 7/6/2025 | 1st Jiuzhaigou 100 Ultra Trail - CCLH50 | 50,00 | ×1 |
| ✓ 14 | 19/9/2020 | 8th Wuyuezhai International Trail Challenge | 50,00 | ×1 |
| ✓ 15 | 22/9/2019 | 8th Jiwu Hangzhou 50K | 50,00 | ×1 |
| ✓ 16 | 29/10/2017 | 3rd Kunming Hongtudi Running | 50,00 | ×1 |
| ✓ 17 | 23/10/2016 | 2nd Kunming Hongtudi Running | 50,00 | ×1 |