Jason Chan
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15
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
2
Countries visited ?
Singapore
Thailand
40,3%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 004; Σ finishers = 2 491. 1 004 / 2 491 × 100 = 40.31%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races866 km
> 100 km1
Longest race101,0 km
2nd Craze Ultra 101 km — 21/9/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road52,5%
Trail47,5%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/9/2013 | 2nd Craze Ultra 101 km | 101,00 | ×4 |
| ✓ 2 | 30/5/2009 | 2nd Sundown Night 84km | 84,00 | ×3 |
| ✓ 3 | 5/9/2015 | 4th Craze Ultra 78 km | 78,00 | ×3 |
| ✓ 4 | 30/12/2018 | 10th MR25 Cross Country Ultra Marathon | 52,50 | ×2 |
| ✓ 5 | 30/12/2017 | 9th MR25 Cross Country Ultra Marathon | 52,50 | ×2 |
| ✓ 6 | 18/12/2016 | 8th MR25 Cross Country Ultra Marathon | 52,50 | ×2 |
| ✓ 7 | 27/12/2015 | 7th MR25 Cross Country Ultra Marathon | 52,50 | ×2 |
| ✓ 8 | 23/7/2016 | 4th Bedok Reservoir 12 hour Ultramarathon | 51,60 | ×2 |
| ✓ 9 | 18/12/2011 | 3rd MR25 Cross Country Ultra Marathon | 51,00 | ×2 |
| ✓ 10 | 3/2/2018 | 7th The North Face 100 Thailand - 50 km | 50,00 | ×2 |
| ✓ 11 | 4/2/2017 | 6th The North Face 100 Thailand - 50 km | 50,00 | ×2 |
| ✓ 12 | 19/3/2016 | 6th Twilight Ultra Challenge | 50,00 | ×2 |
| ✓ 13 | 4/2/2012 | 1st The North Face 100 Thailand - 50 km | 50,00 | ×2 |
| ✓ 14 | 12/10/2019 | 8th Craze Ultra 45 km | 45,00 | ×1 |
| ✓ 15 | 3/11/2018 | 7th Craze Ultra 45 km | 45,00 | ×1 |