Siew-Churn (Ahtapon) Loo
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Born : 1961
Cat. M65 Ultrarunner since 2009
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
6
Countries visited ?
Hong Kong
Italy
MalaysiaSingapore
Switzerland
Thailand
Hong KongItalyMalaysiaSingaporeSwitzerlandThailand81,3%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 5 112; Σ finishers = 6 291. 5 112 / 6 291 × 100 = 81.26%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races863 km
> 100 km1
Longest race101,0 km
9ème Courmayeur-Champex-Chamonix (CCC) — 29/8/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road7,0%
Trail93,0%
HISTORY
14 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 29/8/2014 | 9ème Courmayeur-Champex-Chamonix (CCC) | 101,00 | ×4 |
| ✓ 2 | 19/1/2013 | 3rd Hong Kong 100 Ultra Trail Race | 100,00 | ×4 |
| ✓ 3 | 18/12/2011 | 3rd MR25 Cross Country Ultra Marathon | 71,40 | ×2 |
| ✓ 4 | 4/11/2017 | 3rd Pong Yaeng 66 km Trail | 66,00 | ×2 |
| ✓ 5 | 30/7/2016 | 2nd The Magnificent Merapoh Trail (TMMT) 60 km | 60,00 | ×2 |
| ✓ 6 | 26/3/2011 | Twilight Ultra Challenge | 60,00 | ×2 |
| ✓ 7 | 29/12/2013 | 5th MR25 Cross Country Ultra Marathon | 51,75 | ×2 |
| ✓ 8 | 18/7/2015 | 3. Eiger Ultra Trail 51 km | 51,00 | ×2 |
| ✓ 9 | 30/12/2012 | 4th MR25 Cross Country Ultra Marathon | 51,00 | ×2 |
| ✓ 10 | 27/12/2009 | 1st MR25 Cross Country Ultra Marathon | 51,00 | ×2 |
| ✓ 11 | 12/3/2016 | 5th TransLantau 50 Ultra Trail | 50,00 | ×2 |
| ✓ 12 | 13/12/2014 | 2nd The North Face 50 Hong Kong | 50,00 | ×2 |
| ✓ 13 | 10/10/2014 | The North Face 50 Singapore | 50,00 | ×2 |
| ✓ 14 | 14/12/2013 | 1st The North Face 50 Hong Kong | 50,00 | ×2 |