Zen (周文振) Chew
ID 399655
Born : 1983 Cat. M40 Ultrarunner since 2013 SGP
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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
7
Countries visited ?HKGHong KongITAItalyMASMalaysiaNZLNew ZealandPHIPhilippinesSGPSingaporeTHAThailand
30,1%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 4 282; Σ finishers = 14 231. 4 282 / 14 231 × 100 = 30.09%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 000 km
> 100 km4
Longest race119,0 km
10^ Lavaredo Ultra Trail by UTMB - 120K — 24/6/2016

Km per year (ultra races)

110
2 races
2022
2023
2024
2025
2026

Race types (share of distance)

Road27,8%
Trail72,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km10h02'00100 km13h24'4712 h84,00 km

HISTORY

25 race(s)
DateRacePerf.Rk
2022
10.12 55km THA3rd Thailand by UTMB - 55km 11:12:21 h278
16.07 55km MAS6th Cameron 55 km Ultra Trail 8:49:22 h24
2020
18.01 100km HKG10th Hong Kong 100 Ultra Trail Race 23:15:49 h842
2018
03.11 63km SGP7th Craze Ultra 63 km 7:16:38 h2 🥈
28.07 55km MAS3rd Cameron 55 km Ultra Trail 9:23:15 h22
21.07 16h SGP8th Twilight Ultra Challenge 50.000 km67
13.01 12h SGP3rd Garang Warrior Ultra 12 Hour Run 84.000 km8
2017
23.09 16h SGP7th Twilight Ultra Challenge 50.000 km47
12.08 101km SGP6th Craze Ultra 101 km 13:24:47 h8
20.05 12h SGP2nd Garang Warrior Ultra 12 Hour Run 56.000 km34
11.02 102km NZL9th Tarawera 100 km Ultramarathon 16:33:18 h325
2016
18.11 100km HKG35th Oxfam Trailwalker Hong Kong 22:48:45 h698
24.06 119km ITA10^ Lavaredo Ultra Trail by UTMB - 120K 26:12:28 h686
11.03 100km HKG5th TransLantau 100 Ultra Trail 17:48:12 h61
28.02 12h MAS4th Gunung Nuang Endurance 12 hour Run 50.000 km43
23.01 100km HKG6th Hong Kong 100 Ultra Trail Race 17:24:20 h308
2015
29.08 100km MAS5th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 20:15:22 h17
22.05 100km PHI2nd Pulag 100 Trail Ultramarathon 23:47:01 h8
01.03 12h MAS3rd Gunung Nuang Endurance 12 hour Run 50.000 km49
17.01 100km HKG5th Hong Kong 100 Ultra Trail Race 16:44:29 h222
2014
10.10 100km SGPThe North Face 100 Singapore 14:57:16 h17
16.08 12h SGP2nd Bedok Reservoir 12 hour Ultramarathon 51.600 km60
02.08 108km SGP2nd PEAK to PEAK Ultra 108km 23:50:00 h7
14.03 100km HKG3rd TransLantau 100 Ultra Trail 31:29:44 h304
2013
17.03 50km HKG2nd TransLantau 50 Ultra Trail 10:02:00 h170