Ka-Chi (Sing) (徐家志) Chui
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Born : 1979
Cat. M45 Ultrarunner since 2012
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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 ?Hong Kong
Hong Kong52,6%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 12 746; Σ finishers = 24 238. 12 746 / 24 238 × 100 = 52.59%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 168 km
Longest race100,0 km
10th Hong Kong 100 Ultra Trail Race — 18/1/2020
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 29.03 | 66km | 4th 4TUL 66km Half Loop |
12:38:00 h | 53 |
| 2020 | ||||
| 18.01 | 100km | 10th Hong Kong 100 Ultra Trail Race |
23:29:41 h | 892 |
| 2019 | ||||
| 16.03 | 100km | 2nd Rebel Walker 100 |
30:49:29 h | 751 |
| 22.02 | 57km | 2nd Victoria 57 |
13:12:03 h | 37 |
| 2018 | ||||
| 16.11 | 100km | 37th Oxfam Trailwalker Hong Kong |
29:53:23 h | 2181 |
| 24.03 | 100km | 1st Rebel Walker 100 |
22:51:33 h | 359 |
| 2017 | ||||
| 17.11 | 100km | 36th Oxfam Trailwalker Hong Kong |
28:51:06 h | 1682 |
| 08.10 | 45km | 1st Ferei Dark 45 |
12:34:35 h | 203 |
| 2016 | ||||
| 18.11 | 100km | 35th Oxfam Trailwalker Hong Kong |
30:47:56 h | 2393 |
| 2015 | ||||
| 20.11 | 100km | 34th Oxfam Trailwalker Hong Kong |
28:59:26 h | 2012 |
| 2014 | ||||
| 18.01 | 100km | 4th Hong Kong 100 Ultra Trail Race |
25:31:05 h | 949 |
| 2013 | ||||
| 14.12 | 50km | 1st The North Face 50 Hong Kong |
11:53:31 h | 285 |
| 19.01 | 100km | 3rd Hong Kong 100 Ultra Trail Race |
26:52:34 h | 759 |
| 2012 | ||||
| 27.10 | 50km | 2nd MSIG HK50 |
8:32:34 h | 204 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/1/2020 | 10th Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 2 | 16/3/2019 | 2nd Rebel Walker 100 | 100,00 | ×3 |
| ✓ 3 | 16/11/2018 | 37th Oxfam Trailwalker Hong Kong | 100,00 | ×3 |
| ✓ 4 | 24/3/2018 | 1st Rebel Walker 100 | 100,00 | ×3 |
| ✓ 5 | 17/11/2017 | 36th Oxfam Trailwalker Hong Kong | 100,00 | ×3 |
| ✓ 6 | 18/11/2016 | 35th Oxfam Trailwalker Hong Kong | 100,00 | ×3 |
| ✓ 7 | 20/11/2015 | 34th Oxfam Trailwalker Hong Kong | 100,00 | ×3 |
| ✓ 8 | 18/1/2014 | 4th Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 9 | 19/1/2013 | 3rd Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 10 | 29/3/2024 | 4th 4TUL 66km Half Loop | 66,00 | ×2 |
| ✓ 11 | 22/2/2019 | 2nd Victoria 57 | 57,00 | ×1 |
| ✓ 12 | 14/12/2013 | 1st The North Face 50 Hong Kong | 50,00 | ×1 |
| ✓ 13 | 27/10/2012 | 2nd MSIG HK50 | 50,00 | ×1 |
| ✓ 14 | 8/10/2017 | 1st Ferei Dark 45 | 45,00 | ×1 |