Zheng-Jin (郭正金) Guo
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Born : 1985
Cat. M40 Ultrarunner since 2016
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
23
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
4
Countries visited ?
China
Hong Kong
Indonesia
Malaysia
ChinaHong KongIndonesiaMalaysia27,8%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 732; Σ finishers = 2 637. 732 / 2 637 × 100 = 27.76%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races600 km
Longest race100,0 km
16th Hong Kong 100 Ultra Trail Race — 24/1/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak0
HISTORY
8 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/1/2026 | 16th Hong Kong 100 Ultra Trail Race | 100,00 | ×4 |
| ✓ 2 | 28/7/2018 | 3rd Cameron 100 km Ultra Trail | 100,00 | ×4 |
| ✓ 3 | 15/4/2017 | 3rd Jiangnan 100 Ultra Trail - 110km | 100,00 | ×4 |
| ✓ 4 | 4/2/2017 | 1st The 9 Dragons - 50 Miles | 80,47 | ×3 |
| ✓ 5 | 29/7/2016 | 4th Mt Rinjani Ultra - 60 km | 60,00 | ×2 |
| ✓ 6 | 16/4/2016 | 2nd Jiangnan 100 Ultra Trail - 60km | 60,00 | ×2 |
| ✓ 7 | 12/11/2016 | 2nd Trailcatcher The 50K Challenge | 50,00 | ×2 |
| ✓ 8 | 20/8/2016 | CS100 Penang Series - Ultra Trail Marathon Combo Challenge | 50,00 | ×2 |