Seih-Seng (蔡实成) Chuah
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Ultrarunner since 2011
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
19
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 KongMalaysia
Singapore
Hong KongMalaysiaSingapore67,7%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 1 138; Σ finishers = 1 681. 1 138 / 1 681 × 100 = 67.70%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races421 km
Longest race100,0 km
1. Penang 100 km Challenge — 6/9/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road28,3%
Trail71,7%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2016 | ||||
| 04.09 | 12h | 4th Back 2 Endurance 12 hour Run |
69.000 km | 33 |
| 2014 | ||||
| 06.09 | 100km | 1. Penang 100 km Challenge |
16:54:58 h | 42 |
| 2013 | ||||
| 03.03 | 12h | 1st Gunung Nuang Endurance 12 hour Run |
50.000 km | 26 |
| 19.01 | 100km | 3rd Hong Kong 100 Ultra Trail Race |
28:02:58 h | 783 |
| 2012 | ||||
| 30.12 | 12h | 4th MR25 Cross Country Ultra Marathon |
51.000 km | 137 |
| 2011 | ||||
| 18.12 | 12h | 3rd MR25 Cross Country Ultra Marathon |
51.000 km | 123 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/9/2014 | 1. Penang 100 km Challenge | 100,00 | ×5 |
| ✓ 2 | 19/1/2013 | 3rd Hong Kong 100 Ultra Trail Race | 100,00 | ×5 |
| ✓ 3 | 4/9/2016 | 4th Back 2 Endurance 12 hour Run | 69,00 | ×3 |
| ✓ 4 | 30/12/2012 | 4th MR25 Cross Country Ultra Marathon | 51,00 | ×2 |
| ✓ 5 | 18/12/2011 | 3rd MR25 Cross Country Ultra Marathon | 51,00 | ×2 |
| ✓ 6 | 3/3/2013 | 1st Gunung Nuang Endurance 12 hour Run | 50,00 | ×2 |