Teng-Shen (Alex) Chien
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 : 1984
Cat. M40 Ultrarunner since 2014
5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
16
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 ?
IndonesiaMalaysia
Singapore
Thailand
IndonesiaMalaysiaSingaporeThailand40,8%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 488; Σ finishers = 1 197. 488 / 1 197 × 100 = 40.77%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races272 km
Longest race70,0 km
3rd Bromo Tengger Semeru Ultra 70km — 7/11/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road18,4%
Trail81,6%
Records
HISTORY
5 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/11/2015 | 3rd Bromo Tengger Semeru Ultra 70km | 70,00 | ×4 |
| ✓ 2 | 16/8/2014 | The Most Beautiful Thing (TMBT) 55 km Ultra Trail Marathon | 51,50 | ×3 |
| ✓ 3 | 25/7/2015 | 1st MSIG Singapore Action Asia 50 | 50,00 | ×3 |
| ✓ 4 | 8/3/2015 | 2nd TITI 50km Road Ultra Marathon | 50,00 | ×3 |
| ✓ 5 | 31/1/2015 | 4th The North Face 100 Thailand - 50 km | 50,00 | ×3 |