Huang (郑煌) Zheng
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1992
Cat. M23 Ultrarunner since 2019
5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
17
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
Hong Kong
ChinaHong Kong24,5%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 714; Σ finishers = 2 910. 714 / 2 910 × 100 = 24.54%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races324 km
> 100 km1
Longest race109,6 km
9th Ninghai Ultra Trail - 100km — 15/4/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
5 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 19.01 | 56km | 14th Hong Kong 100 Ultra Trail Race - Half |
9:22:48 h | 164 |
| 2023 | ||||
| 15.04 | 109.6km | 9th Ninghai Ultra Trail - 100km |
17:47:37 h | 122 |
| 2021 | ||||
| 26.12 | 50km | 7th Fujian Five Tigers Trail |
6:58:29 h | 108 |
| 2020 | ||||
| 24.10 | 55km | 6th Ultimate Tsaigu Trail Kuocang - 55 km |
8:45:32 h | 216 |
| 2019 | ||||
| 03.08 | 53km | 3rd Super Salmon 50 |
14:08:00 h | 109 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/4/2023 | 9th Ninghai Ultra Trail - 100km | 109,60 | ×6 |
| ✓ 2 | 19/1/2024 | 14th Hong Kong 100 Ultra Trail Race - Half | 56,00 | ×3 |
| ✓ 3 | 24/10/2020 | 6th Ultimate Tsaigu Trail Kuocang - 55 km | 55,00 | ×3 |
| ✓ 4 | 3/8/2019 | 3rd Super Salmon 50 | 53,00 | ×3 |
| ✓ 5 | 26/12/2021 | 7th Fujian Five Tigers Trail | 50,00 | ×2 |