Shih-Chieh (鄭世杰) Cheng
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 : 1972
Cat. M50 Ultrarunner since 2011
32
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
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 ?Taiwan
Taiwan6,2%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 627; Σ finishers = 10 048. 627 / 10 048 × 100 = 6.24%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed32
Km — ultra races2 426 km
> 100 km5
Longest race116,2 km
2nd Taipei 12hr Ultra Marathon — 16/2/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win2
🏆 Win M2
🏅 Top 310
🏅 Top 3 M10
Longest winning streak1
Current streak0
HISTORY
32 race(s) · 7 split(s) nested| Runner | Races in common |
|---|---|