Benjamin Kartono
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Ultrarunner since 2010
8
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
Singapore40,3%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 797; Σ finishers = 1 977. 797 / 1 977 × 100 = 40.31%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races489 km
Longest race100,0 km
1st Sundown 100 km Ultramarathon — 25/6/2011
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road78,8%
Trail21,2%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 20.07 | 16h | 9th Twilight Ultra Challenge |
50.000 km | 51 |
| 2016 | ||||
| 23.07 | 12h | 4th Bedok Reservoir 12 hour Ultramarathon |
51.600 km | 54 |
| 2015 | ||||
| 28.03 | 16h | 5th Twilight Ultra Challenge |
55.000 km | 118 |
| 03.01 | 12h | 6th MR25 Cross Country Ultra Marathon |
51.750 km | 83 |
| 2014 | ||||
| 29.03 | 16h | Twilight Ultra Challenge |
45.000 km | 152 |
| 2013 | ||||
| 29.12 | 12h | 5th MR25 Cross Country Ultra Marathon |
51.750 km | 111 |
| 2011 | ||||
| 25.06 | 100km | 1st Sundown 100 km Ultramarathon |
14:10:21 h | 142 |
| 2010 | ||||
| 29.05 | 84km | 3rd Sundown Night 84km |
10:50:45 h | 94 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/6/2011 | 1st Sundown 100 km Ultramarathon | 100,00 | ×5 |
| ✓ 2 | 29/5/2010 | 3rd Sundown Night 84km | 84,00 | ×4 |
| ✓ 3 | 28/3/2015 | 5th Twilight Ultra Challenge | 55,00 | ×2 |
| ✓ 4 | 3/1/2015 | 6th MR25 Cross Country Ultra Marathon | 51,75 | ×2 |
| ✓ 5 | 29/12/2013 | 5th MR25 Cross Country Ultra Marathon | 51,75 | ×2 |
| ✓ 6 | 23/7/2016 | 4th Bedok Reservoir 12 hour Ultramarathon | 51,60 | ×2 |
| ✓ 7 | 20/7/2019 | 9th Twilight Ultra Challenge | 50,00 | ×2 |
| ✓ 8 | 29/3/2014 | Twilight Ultra Challenge | 45,00 | ×2 |