Ru-Jiu (郑汝就) Zheng
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Born : 1972
Cat. M50 Ultrarunner since 2015
21
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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
Thailand
ChinaThailand6,6%
Rank quotient ?This runner's calculation uses 21 eligible race(s): Σ(rank − 1) = 111; Σ finishers = 1 674. 111 / 1 674 × 100 = 6.63%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed21
Km — ultra races2 792 km
> 100 km17
> 160 km2
> 200 km2
> 24h3
Longest race241,6 km
1st Hangzhou ultramarathon 24H race — 9/12/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road92,7%
Trail7,3%
Wins & podiums (ultra)
🏆 Win6
🏆 Win M7
🏅 Top 312
🏅 Top 3 M13
Longest winning streak1
Current streak0
HISTORY
21 race(s) · 6 split(s) nested| Runner | Races in common |
|---|---|