Zi-Kang (Ryan) (陈梓康) Chan
ID 921875
Born : 1980 Cat. M45 Ultrarunner since 2017 HKG
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
6
Countries visited ?CHNChinaHKGHong KongJPNJapanKORSouth KoreaTHAThailandTPETaiwan
34,3%
Rank quotient ?This runner's calculation uses 79 eligible race(s): Σ(rank − 1) = 12 320; Σ finishers = 35 867. 12 320 / 35 867 × 100 = 34.35%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed79
Km — ultra races4 219 km
Longest race100,0 km
41th Oxfam Trailwalker Hong Kong — 24/2/2023

Km per year (ultra races)

196
4 races
2022
908
16 races
2023
1 006
19 races
2024
638
12 races
2025
273
5 races
2026

Race types (share of distance)

Road1,2%
Trail98,8%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km5h33'19100 km28h14'08

HISTORY

79 race(s)
DateRacePerf.Rk
2026
25.04 70km JPN5th KAI 70k 12:19:44 h246
11.04 48km CHN1st Ultra-Trail Mogan by UTMB - MMG 9:16:44 h771
14.03 53.3km CHN8th Trail Donghai - TTDH 60 km 9:11:23 h119
07.03 52km TPE1st Xtrail Kenting by UTMB - Xtrail 50K 7:49:19 h204
31.01 50km CHN1st Utcr - Yunan Ultra Trail 10:39:42 h227
2025
21.12 50km CHN1st WAXE Frog Shell Hainan Tropical Rainforest 9:14:21 h225
16.11 53km HKG12th TransLantau 50 by UTMB 9:20:43 h66
01.11 57km HKG2nd Maclehose Trail Warm-up Race Duo 13:56:30 h13
18.10 67km KOR12th TransJeju by UTMB - Jeju70K 9:09:46 h232
13.09 50km CHN5th Ultra Trail Shennongjia 50 km Salt Road Challenge 13:42:15 h311
21.06 58km JPN1st Kaga Spa by UTMB - Kaga Spa Trail Endurance 50 9:51:46 h132
19.04 48.3km CHN7th Yunqiu Mountain Trail - MMY 50K 7:40:26 h157
09.03 51km HKG6th Victoria 50 7:58:39 h21
01.03 53.6km CHN1st Ultra-Trail Xiamen by UTMB - 50K 9:15:15 h100
16.02 50km HKG6th The 9 Dragons - 50 km 9:31:29 h27
11.01 50km HKG32th Green Power Hike 5:33:19 h20
04.01 50km HKG3rd Salomon Hong Kong Dynamic 50km Challenge Duo 10:49:51 h63
2024
21.12 45km HKG5th Mountain Range 50 - Shatin 7:35:46 h38
14.12 56.1km HKG9th The North Face 50 Hong Kong 8:43:06 h83
07.12 53km THA1st Chiangmai Thailand by UTMB - HMONG 50 7:57:22 h344
28.11 50km HKG5th Golden 100 Hong Kong - 50 km Run 8:33:09 h15
09.11 52km HKG11th TransLantau 50 by UTMB 9:45:22 h72
02.11 56km CHN9th Ultimate Tsaigu Trail Kuocang - 50 km 8:12:15 h200
26.10 50km HKG14th MSIG HK50 7:26:50 h54
13.10 55km HKG3rd Touge Fifty 55km 10:14:13 h10
11.10 50km HKG4th Kailas Fish N Sheep 50k 8:59:35 h44
05.10 56km HKG1st Maclehose Trail Warm-up Race 10:15:52 h17
01.10 45km HKG5th Ferei Dark 45 7:44:58 h91
08.09 45km HKG1st VJ Maclehose Trail 7:51:26 h35
01.04 45km HKG5th Golden 100 Hong Kong - 45 km Run 7:56:10 h86
29.03 66km HKG4th 4TUL 66km Half Loop 9:51:06 h6
16.03 70km HKG9th Lantau Trail race 70k 10:28:59 h55
03.03 51km HKG5th Victoria 50 7:35:53 h22
01.03 57km HKG5th Victoria 57 8:12:38 h9
25.02 49.3km HKG2nd Salomon Hong Kong Dynamic 50km Challenge 7:46:33 h45
13.01 55km HKG5th MSIG HK50 West 7:51:23 h9
2023
16.12 50km HKG4th Mountain Range 50 - Tai Po 8:10:33 h55
10.12 45km HKG1st TSL Lantau Trail 45 9:05:51 h20
09.12 50km HKG8th The North Face 50 Hong Kong 8:54:44 h118
24.11 97km HKG42th Oxfam Trailwalker Hong Kong 31:42:18 h1018
28.10 52km HKG1st Outopia HK Wild 50 8:14:02 h23
21.10 56km HKG2nd Touge Fifty 56km 11:07:28 h27
02.10 50km HKG2nd Coros Spark 50 10:39:42 h82
23.04 53km HKG4th Hong Kong Trail Championships 11:49:10 h86
01.04 45km HKG4th Mountain Range 50 - Shatin 9:29:05 h88
19.03 50km HKG1st To The Top of Hong Kong Challenge 9:03:40 h33
11.03 50km HKG1st The North Face 100 Ultra Trail Challenge Hong Kong 11:47:49 h479
04.03 50km HKG1st Salomon Hong Kong Dynamic 50km Challenge 9:24:42 h80
24.02 100km HKG41th Oxfam Trailwalker Hong Kong 32:51:20 h913
18.02 56km HKG13th Hong Kong 100 Ultra Trail Race - Half 10:32:17 h248
11.02 54km HKG9th MSIG Sai Kung 50 10:49:34 h37
14.01 50km HKG30th Green Power Hike 8:13:20 h77
2022
24.12 45km HKG3rd Golden 100 Hong Kong - 45 km Run 8:20:41 h157
10.12 50km HKG10th MSIG Lantau 50 11:10:20 h108
20.11 50km HKG2nd Kailas Fish N Sheep 50k 11:23:06 h137
06.11 51km HKG9th TransLantau 50 by UTMB 12:21:08 h503
2020
15.03 45km HKG4th WAA Hong Kong NE50 9:59:22 h107
17.01 56km HKG10th Hong Kong 100 Ultra Trail Race - Half 9:51:00 h203
2019
28.12 45.6km HKG2nd The Hilly Grail 11:42:07 h4
07.12 53km HKG1st The Wonders of Tai Mo Shan 9:35:59 h23
01.12 50km HKG2nd Hard as Nayls 50k 10:04:23 h43
23.11 50km HKG3rd Mountain Range 50 - Tai Po 11:23:00 h123
03.11 50km HKG2nd MSIG Summits - Mui Wo 12:35:11 h100
27.10 53km HKG3rd Sowers Action Challenging 53km 11:10:55 h50
18.10 50km HKG9th Barclays Moontrekker 50 11:17:14 h74
23.03 50km HKG1st MSIG HK50 West 9:08:35 h66
02.03 50km HKG8th TransLantau 50 Ultra Trail 9:25:48 h150
24.02 50km HKG2nd Victoria 50 9:03:54 h48
03.02 50km HKG3rd The 9 Dragons - 50 km 12:01:30 h121
19.01 45km HKG1st MSIG Trail Running Series - Braemar Hill 8:04:30 h52
06.01 50km HKG4th Ultra-Trail Tai Mo Shan (YTF) 50 km 11:26:05 h133
2018
01.12 55km HKG6th HK168 - 55 km ultra-endurance race 14:09:20 h27
24.11 50km HKG2nd Mountain Range 50 - Tai Po 11:24:42 h179
16.11 100km HKG37th Oxfam Trailwalker Hong Kong 28:14:08 h1731
10.11 52km HKG2nd TransNT 57 km Run 11:13:40 h296
20.10 50km HKG8th MSIG HK50 9:01:30 h221
13.10 47.3km HKG7th Raleigh Challenge Wilson Trail - Night Course 10:17:20 h10
01.10 45km HKG2nd Ferei Maclehose Trail Dark 45 - XT2 9:44:14 h77
2017
18.02 50km HKG5th MSIG Sai Kung 50 10:47:18 h103