Jin-Quan (Jonathan) Tan
External sources
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Ultrarunner since 2010
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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 ?Singapore
Singapore36,9%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 495; Σ finishers = 1 340. 495 / 1 340 × 100 = 36.94%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races478 km
> 100 km1
Longest race101,0 km
7th Craze Ultra 101 km — 3/11/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road73,8%
Trail26,2%
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2018 | ||||
| 03.11 | 101km | 7th Craze Ultra 101 km |
20:16:42 h | 52 |
| 21.07 | 16h | 8th Twilight Ultra Challenge |
50.000 km | 76 |
| 13.01 | 12h | 3rd Garang Warrior Ultra 12 Hour Run |
68.000 km | 24 |
| 2015 | ||||
| 27.12 | 12h | 7th MR25 Cross Country Ultra Marathon |
73.500 km | 53 |
| 03.01 | 12h | 6th MR25 Cross Country Ultra Marathon |
51.750 km | 127 |
| 2014 | ||||
| 29.03 | 16h | Twilight Ultra Challenge |
50.000 km | 119 |
| 2010 | ||||
| 29.05 | 84km | 3rd Sundown Night 84km |
9:45:41 h | 51 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/11/2018 | 7th Craze Ultra 101 km | 101,00 | ×5 |
| ✓ 2 | 29/5/2010 | 3rd Sundown Night 84km | 84,00 | ×4 |
| ✓ 3 | 27/12/2015 | 7th MR25 Cross Country Ultra Marathon | 73,50 | ×3 |
| ✓ 4 | 13/1/2018 | 3rd Garang Warrior Ultra 12 Hour Run | 68,00 | ×3 |
| ✓ 5 | 3/1/2015 | 6th MR25 Cross Country Ultra Marathon | 51,75 | ×2 |
| ✓ 6 | 21/7/2018 | 8th Twilight Ultra Challenge | 50,00 | ×2 |
| ✓ 7 | 29/3/2014 | Twilight Ultra Challenge | 50,00 | ×2 |