Yun (郑云) Zheng
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Born : 1961
Cat. M65 Ultrarunner since 2014
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
China82,6%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 383; Σ finishers = 1 675. 1 383 / 1 675 × 100 = 82.57%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races698 km
Longest race100,0 km
1st Shanhaiguan 100K — 5/10/2016
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road14,3%
Trail85,7%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 06.10 | 50km | 2nd Great Wall 50 Int. Trail |
13:22:44 h | 100 |
| 30.06 | 50km | 4th Peak of Chongli Trail 50 km |
11:16:44 h | 50 |
| 2017 | ||||
| 25.11 | 50km | 1st Yangxian Trail Challenge - 50km |
16:32:03 h | 26 |
| 14.07 | 88km | 1st Columbia 88 Ultra Trail Chongli Challenge Race |
23:38:52 h | 396 |
| 2016 | ||||
| 26.11 | 60km | 1st MaXi Race China Jiangshan 60 km |
20:02:43 h | 115 |
| 05.10 | 100km | 1st Shanhaiguan 100K |
28:37:26 h | 22 |
| 2015 | ||||
| 15.08 | 100km | 1st Chongli 100 Ultra Sky Trail Challenge |
26:42:29 h | 149 |
| 09.05 | 100km | 7th The North Face 100 China |
25:13:31 h | 355 |
| 2014 | ||||
| 24.05 | 100km | 6th The North Face 100 China |
29:13:52 h | 179 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/10/2016 | 1st Shanhaiguan 100K | 100,00 | ×4 |
| ✓ 2 | 15/8/2015 | 1st Chongli 100 Ultra Sky Trail Challenge | 100,00 | ×4 |
| ✓ 3 | 9/5/2015 | 7th The North Face 100 China | 100,00 | ×4 |
| ✓ 4 | 24/5/2014 | 6th The North Face 100 China | 100,00 | ×4 |
| ✓ 5 | 14/7/2017 | 1st Columbia 88 Ultra Trail Chongli Challenge Race | 88,00 | ×3 |
| ✓ 6 | 26/11/2016 | 1st MaXi Race China Jiangshan 60 km | 60,00 | ×2 |
| ✓ 7 | 6/10/2019 | 2nd Great Wall 50 Int. Trail | 50,00 | ×2 |
| ✓ 8 | 30/6/2019 | 4th Peak of Chongli Trail 50 km | 50,00 | ×2 |
| ✓ 9 | 25/11/2017 | 1st Yangxian Trail Challenge - 50km | 50,00 | ×2 |