Jian-Zhu (张健筑) Zhang
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Born : 1971
Cat. M55 Ultrarunner since 2016
15
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
1
Countries visited ?China
China43,9%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 877; Σ finishers = 1 998. 877 / 1 998 × 100 = 43.89%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 124 km
> 100 km2
> 160 km1
Longest race160,9 km
4th Jiangnan 100 Ultra Trail - 168km — 13/4/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road4,4%
Trail95,6%
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 13/4/2018 | 4th Jiangnan 100 Ultra Trail - 168km | 160,93 | ×5 |
| ✓ 2 | 22/12/2019 | 2nd Chongqing International Trail Running - 110km | 110,00 | ×3 |
| ✓ 3 | 27/7/2019 | 3rd X Trail - Gangshika 100 km | 100,00 | ×3 |
| ✓ 4 | 24/11/2018 | 1st Mountain Hard China - Xichuan 100 km | 100,00 | ×3 |
| ✓ 5 | 20/10/2018 | 3rd Wild Wolf 100 Chongqing | 100,00 | ×3 |
| ✓ 6 | 4/1/2020 | 2nd 9-Peak Global Trail - 80 km | 76,10 | ×2 |
| ✓ 7 | 7/7/2018 | 2nd Maxi-Race China - Zengjia Mountain | 60,00 | ×2 |
| ✓ 8 | 29/4/2017 | 1st Ultra Tu Wenchuan | 59,90 | ×2 |
| ✓ 9 | 11/12/2016 | 1st Yangtze River Three Gorges Trail Running | 54,00 | ×1 |
| ✓ 10 | 29/5/2019 | 1st Luding Ultra Trail | 52,90 | ×1 |
| ✓ 11 | 1/11/2020 | 3rd Wugenshan Ultra Trail | 50,00 | ×1 |
| ✓ 12 | 8/4/2017 | Muye Trail Mount Qingcheng Int. Challenge | 50,00 | ×1 |
| ✓ 13 | 24/9/2016 | 5th Jiwu Hangzhou 50K | 50,00 | ×1 |
| ✓ 14 | 3/9/2016 | 1st Shanying 50K Chongqing | 50,00 | ×1 |
| ✓ 15 | 14/8/2016 | 2nd Chongli 100 Ultra Sky Trail Challenge - 50 km Run | 50,00 | ×1 |