Guo-Zhang (曾国章) Zeng
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Born : 1972
Cat. M50 Ultrarunner since 2015
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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
China76,5%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 809; Σ finishers = 1 057. 809 / 1 057 × 100 = 76.54%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races485 km
> 100 km2
Longest race115,0 km
3rd Maxi-Race Yangshuo China 115 km — 7/12/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 20.09 | 50km | 7th Longji Ultra Trail Running Race - 50 km |
13:13:41 h | 285 |
| 2019 | ||||
| 07.12 | 115km | 3rd Maxi-Race Yangshuo China 115 km |
24:50:40 h | 126 |
| 19.10 | 60km | 4th MaXi Race China Jiangshan 60 km |
17:15:15 h | 114 |
| 07.09 | 100km | 5th Trail Mt Wugong 100 km |
28:29:43 h | 60 |
| 2017 | ||||
| 23.09 | 50km | 1st Longji Ultra Trail Running Race - 50 km |
11:56:07 h | 67 |
| 2015 | ||||
| 28.11 | 110km | 1st Maxi-Race Yangshuo China 110 km |
23:03:28 h | 163 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/12/2019 | 3rd Maxi-Race Yangshuo China 115 km | 115,00 | ×5 |
| ✓ 2 | 28/11/2015 | 1st Maxi-Race Yangshuo China 110 km | 110,00 | ×5 |
| ✓ 3 | 7/9/2019 | 5th Trail Mt Wugong 100 km | 100,00 | ×5 |
| ✓ 4 | 19/10/2019 | 4th MaXi Race China Jiangshan 60 km | 60,00 | ×3 |
| ✓ 5 | 20/9/2025 | 7th Longji Ultra Trail Running Race - 50 km | 50,00 | ×2 |
| ✓ 6 | 23/9/2017 | 1st Longji Ultra Trail Running Race - 50 km | 50,00 | ×2 |