Chor-Kin (羅楚健) Law
Born : 1977 Cat. M45 Ultrarunner since 2005 HKG
100
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
100
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
14
Countries visited ?CHNChinaFRAFranceGBRUnited KingdomHKGHong KongITAItalyJPNJapanKORSouth KoreaMASMalaysiaNEPNepalNZLNew ZealandSGPSingaporeTHAThailandTPETaiwanUSAUnited States
12,5%
Rank quotient ?This runner's calculation uses 158 eligible race(s): Σ(rank − 1) = 7 394; Σ finishers = 59 317. 7 394 / 59 317 × 100 = 12.47%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed159
Km — ultra races19 360 km
> 100 km70
> 160 km39
> 200 km15
> 24h25
> 48h4
Longest race727,4 km

Km per year (ultra races)

147
2 races
2022
1 765
16 races
2023
1 311
13 races
2024
2 049
11 races
2025
1 051
8 races
2026

Race types (share of distance)

Road47,2%
Trail48,4%
Stage1,5%
Elim.2,9%

Wins & podiums (ultra)

🏆 Win26
🏆 Win M28
🏅 Top 349
🏅 Top 3 M51
Longest winning streak3
Current streak1

HISTORY

159 race(s) · 31 split(s) nested
DateRacePerf.Rk
2026
09.05 24h MAS3rd Melaka 24H Ultramarathon 176.109 km1 🏆
25.04 26h TPE2nd Donut Run M.t Huoyan 87.100 km3 🥉
18.04 24h MAS1st Kajang Ultra Marathon 24h 158.610 km2 🥈
27.02 142km/2stages HKG7th The 9 Dragons - 50/50 24:16:07 h18
31.01 Backyard Ultra MAS4th Pirate Backyard Ultra 167.650 km (25h)3 🥉
24.01 100km HKG16th Hong Kong 100 Ultra Trail Race 14:55:39 h325
23.01 56km HKG16th Hong Kong 100 Ultra Trail Race - Half 6:33:45 h113
10.01 24h MAS11th Watergate 24hr 164.000 km2 🥈
2025
21.12 100km JPN8th Okinawa 100km Ultramarathon 9:53:33 h57
22.11 24h MAS8th Universiti Malaya 24 hours Ultra Marathon 168.889 km1 🏆
26.10 55km HKG3rd Outopia HK Wild 50 6:37:45 h5
07.09 50km MAS1st Tunggul Melati Trail 8:54:44 h12
21.06 100km MAS7th Langkawi 100 km Ultra Marathon 10:54:21 h4
28.04 6d FRAXIXè GOMU World Championship - 6 jours de France Gérard Cain - Course 727.416 km14
18.02 400km MAS10th Route 68 Challenge - 400 km 3d 07:08:54 h2 🥈
25.01 24h THA1st Chiang Mai 24 From Dusk Till Dawn 173.000 km7
18.01 100km HKG15th Hong Kong 100 Ultra Trail Race 15:54:28 h233
11.01 16h MAS10th Watergate 16hr 125.000 km6
04.01 49.3km HKG3rd Salomon Hong Kong Dynamic 50km Challenge 7:04:16 h15
2024
21.12 45km HKG5th Mountain Range 50 - Shatin Duo 6:39:12 h7
09.11 100km MAS5th Sekinchan Ultra 100km 10:12:17 h2 🥈
27.10 55km HKG2nd Outopia HK Wild 50 8:28:55 h8
21.09 12h MAS1st Melaka Endurance Run (Back 2 Back) D1 105.000 km1 🏆
21.09 24h MAS1st Melaka Endurance Run (Back 2 Back) 143.500 km1 🏆
20.07 12h MAS1st KL Forest Eco Park Endurance 94.500 km1 🏆
28.06 120km ITA17^ Lavaredo Ultra Trail by UTMB - 120K 27:21:21 h1089
26.04 70km JPN3rd KAI 70k 11:19:37 h121
21.04 118km JPN34th Fuji 5 Lakes 118 km Challenge 14:32:21 h297
01.04 45km HKG5th Golden 100 Hong Kong - 45 km Run 6:13:50 h13
23.02 100km HKG2nd Salomon Hong Kong Dynamic 100km Challenge 19:54:48 h29
20.01 100km HKG14th Hong Kong 100 Ultra Trail Race 17:05:39 h126
13.01 Backyard Ultra TPE2nd Taipei Backyard Ultra 214.592 km (32h)3 🥉
2023
16.12 50km HKG4th Mountain Range 50 - Tai Po Duo 6:47:31 h7
01.12 24h TPEIAU 24h WC Taipei (Open) 138.000 km34
01.12 24h TPEIAU 24h WC Taipei (all races combined) 138.000 km258
01.12 12h TPEIAU 24h WC Taipei - 12h Split 119.600 km152
10.11 139km HKG10th TransLantau 140 by UTMB 30:14:39 h80
28.10 52km HKG1st Outopia HK Wild 50 Duo 6:19:46 h1 🏆
01.10 72km HKG2nd Coros Spark 100 12:19:30 h10
16.09 100km TPE6th Taiwania 100 Ultra Trail 12:50:16 h22
06.05 100mi GBR12th Thames Path 100 20:55:40 h27
23.04 53km HKG4th Hong Kong Trail Championships 8:08:59 h22
06.04 Backyard Ultra HKG4th Big Boar’s Backyard Challenge 181.062 km (27h)3 🥉
01.04 45km HKG4th Mountain Range 50 - Shatin 6:14:21 h5
18.03 50km HKG1st Coros 50 Quartet 6:40:11 h1 🏆
11.03 80km HKG4th Victoria 80 11:54:37 h3 🥉
04.03 100km HKG1st Salomon Hong Kong Dynamic 100km Challenge 17:53:36 h11
18.02 100km HKG13th Hong Kong 100 Ultra Trail Race 15:33:41 h72
10.02 48h TPE12th Taipei 48hr Ultra Marathon 305.933 km17
2022
24.12 45km HKG3rd Golden 100 Hong Kong - 45 km Run 5:25:09 h4
05.11 102km HKG9th TransLantau 100 by UTMB 15:28:40 h6
2021
12.02 298km HKG10th Hong Kong Four Trails Ultra Challenge 2d 11:49:00 h6
2020
08.02 100mi NZL3rd Tarawera 100 Mile Endurance Run 20:32:25 h8
18.01 100km HKG10th Hong Kong 100 Ultra Trail Race 13:41:09 h45
11.01 50km HKG2nd MSIG HK50 West Duo 6:21:32 h1 🏆
2019
27.12 100mi HKG1st Golden 100 Hong Kong - 100 Mile Run 36:32:15 h19
14.12 24h TPE19th Soochow/Taipei 24h Ultramarathon 205.638 km16
23.11 50km HKG3rd Mountain Range 50 - Tai Po Duo 6:43:44 h1 🏆
16.11 24h TPE7th Kaohsiung 24h UltraMarathon 143.500 km16
29.06 70km CHN4th The Grand Wutai Pilgrimage II 12:20:36 h18
21.04 45km HKG3rd WAA Hong Kong NE50 5:26:14 h1 🏆
12.04 100mi CHN5th Jiangnan 100 Ultra Trail - 100mi 35:57:23 h52
30.03 50km HKG3rd Mountain Range 50 - Shatin 6:28:47 h3 🥉
23.03 50km HKG1st MSIG HK50 West Duo 6:11:43 h1 🏆
16.03 100km HKG2nd Rebel Walker 100 II 13:54:19 h1 🏆
09.03 100km KOR18th Jeju City 100 km 9:34:21 h4
02.03 100km TPE2nd Taiwania 100 Ultra Trail 14:07:39 h140
23.02 162km HKG2nd Victoria 162 35:11:24 h5
17.02 50km HKG1st Fast100 ultra - Fast 50 km 4:26:15 h4
26.01 24h HKG3rd Hong Kong Ultra Marathon Charity Race 24h 202.019 km1 🏆
19.01 100km HKG9th Hong Kong 100 Ultra Trail Race 15:41:25 h112
05.01 162km HKG4th Ultra-Trail Tai Mo Shan (UTMT) 100 Mile 28:41:56 h13
2018
30.12 53km HKG1st Hong Kong Trail Championships 6:48:16 h8
24.11 50km HKG2nd Mountain Range 50 - Tai Po 6:13:20 h3 🥉
16.11 100km HKG37th Oxfam Trailwalker Hong Kong 13:10:37 h10
27.10 102km CHN3rd Peak of Jiang Nan Skyrunning - 100km Ultimate 30:45:48 h30
21.07 16h SGP8th Twilight Ultra Challenge 50.000 km65
16.06 250km TPE1st 800 Heroes - Tour de Little Taiwan 250 km 36:45:38 h3 🥉
12.05 100mi MAS4th Ultimate Trails Of Penang Eco 100 miles 26:15:16 h1 🏆
28.04 24h HKG2nd Hong Kong Ultra Marathon Charity Race 24h 201.115 km1 🏆
21.04 12h SGP6th Bedok Reservoir 12 hour Ultramarathon 111.800 km1 🏆
13.04 246km TPE4th Race Across Taiwan Nonstop 246km 37:51:37 h6
24.03 100km HKG1st Rebel Walker 100 II 13:39:14 h1 🏆
10.03 100km TPE1st Taiwania 100 Ultra Trail 12:45:06 h45
10.02 100km HKG2nd Garmin100 Hong Kong 18:21:55 h5
27.01 100km HKG8th Hong Kong 100 Ultra Trail Race 14:25:32 h136
13.01 12h SGP3rd Garang Warrior Ultra 12 Hour Run 104.000 km1 🏆
2017
09.12 24h CHN1st Hangzhou ultramarathon 24H race 128.400 km55
02.12 55km HKG5th HK168 - 55 km ultra-endurance race 6:14:30 h1 🏆
17.11 100km HKG36th Oxfam Trailwalker Hong Kong 13:58:20 h23
21.10 24h MAS3rd Universiti Malaya 24 hours Ultra Marathon 170.508 km2 🥈
23.09 16h SGP7th Twilight Ultra Challenge 125.000 km1 🏆
12.08 100mi SGP6th Craze Ultra 100 Miles 24:10:00 h4
08.07 12h SGP5th Bedok Reservoir 12 hour Ultramarathon 107.500 km1 🏆
15.04 100km CHN3rd Jiangnan 100 Ultra Trail - 110km 16:46:07 h3 🥉
11.03 50km HKG6th TransLantau 50 Ultra Trail II 5:35:20 h1 🏆
18.02 100km HKG1st Garmin100 Hong Kong 17:44:47 h5
04.02 24h HKG1st Hong Kong Ultra Marathon Charity Race 24h 210.665 km1 🏆
14.01 100km HKG7th Hong Kong 100 Ultra Trail Race 13:40:26 h91
2016
31.12 110km TPE2nd Hualein international 110 km Ultramarathon 15:45:31 h46
10.12 100km CHN1st Foshan Ultra Marathon 100km 9:47:49 h5
18.11 100km HKG35th Oxfam Trailwalker Hong Kong 13:33:04 h14
15.10 46.4km HKG5th Raleigh Challenge Wilson Trail - Night Course 6:56:02 h1 🏆
25.09 392km CHN2nd Ultra Trail Gobi Race (UTGR) 400 4d 09:31:39 h8
26.08 101km ITA11ème Courmayeur-Champex-Chamonix 22:16:16 h576
12.03 120km TPE6th Southern Cross-Island Highway 120 km Ultra Marathon 12:12:51 h3 🥉
21.02 110km TPE1st Blue Whale Ultramarathon 110 km 10:50:20 h5
29.01 48h TPE5th Taipei 48hr Ultra Marathon 352.761 km2 🥈
23.01 100km HKG6th Hong Kong 100 Ultra Trail Race 15:59:17 h230
2015
19.12 24h JPN10th Jingu Gaien 24 Hour Challenge 163.601 km61
27.11 100mi TPE4th Yilan Dongshan River 100mi Ultra-Marathon 17:27:16 h4
20.11 100km HKG34th Oxfam Trailwalker Hong Kong 11:58:27 h2 🥈
25.09 100km HKG100 km Hong Kong Ultra Marathon 9:33:52 h6
11.09 100mi USA36th Wasatch Front 100 Mile 34:44:29 h164
22.08 100mi USA33rd Leadville Trail 100 Mile 25:02:41 h79
18.07 100mi USA27th Vermont 100 Mile Endurance Race 20:56:09 h38
27.06 100mi USA42nd Western States 100 Mile Endurance Run 27:48:14 h162
28.03 16h SGP5th Twilight Ultra Challenge 110.000 km7
13.03 100km HKG4th TransLantau 100 Ultra Trail 20:24:57 h71
13.02 48h TPE4th Taipei 48hr Ultra Marathon 341.386 km2 🥈
17.01 100km HKG5th Hong Kong 100 Ultra Trail Race 13:04:54 h35
2014
13.12 100km HKG2nd The North Face 100 Hong Kong 17:15:47 h22
18.10 45km HKG45km Midnight Express 6:06:40 h9
29.08 168km FRA12ème Ultra Trail Tour du Mont Blanc 43:34:25 h1103
21.06 24h JPN13. Tokyo Challenge 24 hours 122.500 km73
13.04 64km HKG9th Round the Island Time Trial 7:18:00 h20
29.03 16h SGPTwilight Ultra Challenge 140.000 km2 🥈
01.03 50km HKG2nd MSIG Sai Kung 50 6:16:19 h20
23.02 100km TPE2nd Zhenxibao (Cinsbu) 100 km Ultramarathon 9:54:46 h5
18.01 100km HKG4th Hong Kong 100 Ultra Trail Race 13:05:49 h31
2013
14.12 100km HKG1st The North Face 100 Hong Kong 17:27:24 h30
15.11 100km HKG32th Oxfam Trailwalker Hong Kong 12:35:15 h10
19.10 45km HKG45km Midnight Express 5:35:28 h5
12.10 160km HKG2nd Raleigh Challenge Wilson Trail - Round Trip 27:57:00 h1 🏆
14.09 100km SGP2nd Sundown 100 km Ultramarathon 9:48:00 h6
15.07 135mi USA27th Badwater Ultramarathon 37:50:59 h30
30.03 12h CHN3rd Fuzhou 12h Ultramarathon 133.423 km2 🥈
16.03 100km HKG2nd Translantau 100 Ultra Trail 14:43:00 h4
09.03 100km NEP7th Annapurna 100k Ultra Trail 13:02:03 h7
19.01 100km HKG3rd Hong Kong 100 Ultra Trail Race 11:42:12 h10
2012
08.12 50km HKG1st MSIG Lantau 50 5:37:42 h2 🥈
27.10 50km HKG2nd MSIG HK50 4:55:06 h17
13.10 160km HKG1st Raleigh Challenge Wilson Trail - Round Trip 24:50:00 h1 🏆
12.08 7h TPEBei-tou Long-fong-gu 7 Hrs Ultra-marathon 74.424 km3 🥉
18.05 156km JPN1st Ultra-Trail Mount Fuji 41:39:16 h331
07.04 200km KOR11th Jeju-do around 200 km 26:40:15 h6
18.02 100km HKG2nd Hong Kong 100 Ultra Trail Race 13:32:47 h38
11.02 12h CHN2nd Fuzhou 12h Ultramarathon 125.015 km4
2011
25.06 100km SGP1st Sundown 100 km Ultramarathon 9:39:01 h6
03.04 64km HKG6th Round the Island Time Trial 6:14:00 h4
26.02 12h CHN1st Fuzhou 12h Ultramarathon 118.400 km7
15.01 100km HKG1st Hong Kong 100 Ultra Trail Race 14:44:00 h16
2010
29.05 84km SGP3rd Sundown Night 84km 8:41:34 h22
2009
22.08 100mi USA27th Leadville Trail 100 Mile 25:59:30 h72
30.05 84km SGP2nd Sundown Night 84km 8:23:21 h8
05.04 64km HKG5th Round the Island Time Trial 6:17:00 h5
2008
06.04 64km HKG4th Round the Island Time Trial 7:03:00 h14
2007
15.04 64km HKG3rd Round the Island Time Trial 6:49:00 h7
2005
03.04 64km HKG1st Round the Island Time Trial 6:14:00 h3 🥉