Yu-Ling (Annie) (周宇齡) Chau
Born : 1975 Cat. W50 Ultrarunner since 2017 HKG
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
34
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
8
Countries visited ?AUSAustraliaCHNChinaHKGHong KongITAItalyJPNJapanSUISwitzerlandTHAThailandTPETaiwan
29,3%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 6 281; Σ finishers = 21 420. 6 281 / 21 420 × 100 = 29.32%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races1 666 km
> 100 km2
Longest race102,0 km

Km per year (ultra races)

102
1 race
2022
200
4 races
2023
356
5 races
2024
212
3 races
2025
2026

Race types (share of distance)

Road3,0%
Trail97,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F2
Longest winning streak0
Current streak0

HISTORY

27 race(s)
DateRacePerf.Rk
2025
21.06 58km JPN1st Kaga Spa by UTMB - Kaga Spa Trail Endurance 50 10:15:59 h168
01.03 53.6km CHN1st Ultra-Trail Xiamen by UTMB - 50K 9:45:31 h148
18.01 100km HKG15th Hong Kong 100 Ultra Trail Race 17:53:59 h383
2024
21.12 45km HKG5th Mountain Range 50 - Shatin 7:58:25 h60
19.10 60km CHN10th Ninghai Ultra Trail - 50km 9:12:41 h440
30.08 101km ITA18ème Courmayeur-Champex-Chamonix 21:10:17 h719
18.02 50km HKG5th The 9 Dragons - 50 km 10:09:00 h72
20.01 100km HKG14th Hong Kong 100 Ultra Trail Race 19:23:32 h250
2023
16.12 50km HKG4th Mountain Range 50 - Tai Po Duo 7:53:43 h37
09.12 50km THA4th Doi Inthanon Thailand by UTMB - HMONG 50 7:47:57 h188
11.11 50km HKG10th TransLantau 50 by UTMB 8:18:51 h86
14.01 50km HKG30th Green Power Hike 5:52:04 h20
2022
05.11 102km HKG9th TransLantau 100 by UTMB 19:42:24 h46
2019
23.11 50km HKG3rd Mountain Range 50 - Tai Po Duo 11:13:41 h35
03.11 50km HKG2nd MSIG Summits - Mui Wo Quartet 11:54:55 h5
20.07 51km SUI7. Eiger Ultra Trail 51 km 10:57:24 h742
21.04 50km TPE7th The North Face 50K Challenge Taiwan 11:48:49 h33
2018
15.12 100km HKG6th The North Face 100 Hong Kong 22:16:15 h187
24.11 50km HKG2nd Mountain Range 50 - Tai Po Duo 10:26:51 h47
13.10 47.3km HKG7th Raleigh Challenge Wilson Trail - Night Course 9:01:33 h7
19.05 50km AUS6th Ultra-Trail Australia 50 km 7:56:04 h834
03.03 50km HKG7th TransLantau 50 Ultra Trail 9:42:09 h275
03.02 50km HKG25th Green Power Hike 6:03:45 h67
2017
17.11 100km HKG36th Oxfam Trailwalker Hong Kong 21:41:49 h440
24.06 48km ITA6^ Cortina Trail 9:06:27 h871
11.03 50km HKG6th TransLantau 50 Ultra Trail II 9:09:54 h88
01.01 50km HKG2nd Ultra-Trail Tai Mo Shan (YTF) 50 km 9:56:52 h60