Heng-Fong (Alan) Law
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.
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
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
3
Countries visited ?
Hong Kong
Malaysia
Singapore
53,0%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 2 337; Σ finishers = 4 406. 2 337 / 4 406 × 100 = 53.04%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 089 km
Longest race100,0 km
3rd Langkawi 100 km Ultra Marathon — 29/2/2020
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road50,7%
Trail49,3%
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 13.07 | 60km | 15:48:52 h | 231 | |
| 2020 | ||||
| 29.02 | 100km | 17:01:25 h | 64 | |
| 2017 | ||||
| 17.12 | 53km | 9:07:18 h | 154 | |
| 05.08 | 70km | 10:53:14 h | 62 | |
| 2015 | ||||
| 26.09 | 100km | 17:29:35 h | 84 | |
| 17.01 | 100km | 27:45:55 h | 1222 | |
| 2014 | ||||
| 06.09 | 100km | 17:42:17 h | 75 | |
| 2013 | ||||
| 29.12 | 12h | 72.450 km | 24 | |
| 2011 | ||||
| 25.06 | 100km | 15:28:20 h | 244 | |
| 2010 | ||||
| 29.05 | 84km | 9:42:19 h | 48 | |
| 2009 | ||||
| 27.12 | 12h | 81.600 km | 5 | |
| 30.05 | 84km | 10:28:33 h | 70 | |
| 2008 | ||||
| 31.05 | 84km | 11:15:53 h | 67 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 29/2/2020 | 3rd Langkawi 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 2 | 26/9/2015 | 2. Penang 100 km Challenge | 100,00 | ×3 |
| ✓ 3 | 17/1/2015 | 5th Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 4 | 6/9/2014 | 1. Penang 100 km Challenge | 100,00 | ×3 |
| ✓ 5 | 25/6/2011 | 1st Sundown 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 29/5/2010 | 3rd Sundown Night 84km | 84,00 | ×2 |
| ✓ 7 | 30/5/2009 | 2nd Sundown Night 84km | 84,00 | ×2 |
| ✓ 8 | 31/5/2008 | 1st Sundown Night 84km | 84,00 | ×2 |
| ✓ 9 | 27/12/2009 | 1st MR25 Cross Country Ultra Marathon | 81,60 | ×2 |
| ✓ 10 | 29/12/2013 | 5th MR25 Cross Country Ultra Marathon | 72,45 | ×2 |
| ✓ 11 | 5/8/2017 | 3rd The Magnificent Merapoh Trail (TMMT) 70 km | 70,00 | ×2 |
| ✓ 12 | 13/7/2024 | 8th Cameron 60 km Ultra Trail | 60,00 | ×2 |
| ✓ 13 | 17/12/2017 | 1st Janda Baik Ultra 53 km | 53,00 | ×1 |