Sen-Kiong (Alan) Tai
Born : 1959 Cat. M65 Ultrarunner since 2011 MAS
43
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
3
Countries visited ?HKGHong KongMASMalaysiaTPETaiwan
46,4%
Rank quotient ?This runner's calculation uses 43 eligible race(s): Σ(rank − 1) = 3 542; Σ finishers = 7 636. 3 542 / 7 636 × 100 = 46.39%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed48
Km — ultra races4 109 km
> 100 km15
> 160 km1
> 200 km1
Longest race250,0 km

Km per year (ultra races)

285
3 races
2022
375
4 races
2023
375
4 races
2024
325
3 races
2025
215
2 races
2026

Race types (share of distance)

Road3,4%
Trail90,5%
Stage6,1%

HISTORY

43 race(s)
DateRacePerf.Rk
2026
29.08 109km MAS14th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 32:55:05 h136
11.04 106km MAS10th Borneo Ultra Trail Marathon BUTM - 100 km 31:23:34 h104
2025
30.08 109km MAS13th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 30:58:58 h119
26.07 110km MAS7th Kadamaian Adventure Race 30:37:25 h143
22.02 106km MAS9th Borneo Ultra Trail Marathon BUTM - 100 km 30:00:56 h63
2024
12.10 50km MAS3rd kokol ultra 10:16:25 h26
14.09 109km MAS12th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 31:01:40 h98
27.07 110km MAS6th Kadamaian Adventure Race 31:00:29 h134
02.03 106km MAS8th Borneo Ultra Trail Marathon BUTM - 100 km 28:17:49 h71
2023
17.12 50km MAS1st Borneo Highland Marathon Mesilou 9:54:28 h49
02.09 109km MAS11th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 29:34:58 h85
29.07 110km MAS5th Kadamaian Adventure Race 28:25:08 h37
11.03 106km MAS7th Borneo Ultra Trail Marathon BUTM - 100 km 30:44:58 h51
2022
17.09 109km MAS10th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 32:57:56 h194
30.07 70km MAS4th Kadamaian Adventure Race 19:30:16 h62
19.03 106km MAS6th Borneo Ultra Trail Marathon BUTM - 100 km 27:56:26 h30
2020
29.02 90km MAS1st Borneo Four Feathers Ultra Marathon 90km 19:52:22 h14
2019
14.12 84km MAS2nd Malaysia Mountain Trail Festival - 84KM Ultra Challenge 22:41:51 h140
27.10 50km MAS1st Labuan Ultra Marathon 6:40:37 h68
11.10 105km MAS2nd Ultimate Trails of Penang 100 km 30:34:11 h28
14.09 100km MAS9th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 24:18:15 h55
24.08 60km MAS3rd Kadamaian Adventure Race 12:54:26 h30
09.03 100km MAS4th Borneo Ultra Trail Marathon BUTM - 100 km 23:50:17 h26
2018
30.11 70km MAS1st Malaysia Mountain Trail Festival 19:58:38 h94
01.09 100km MAS8th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 24:35:34 h118
10.03 100km MAS3rd Borneo Ultra Trail Marathon BUTM - 100 km 25:44:33 h31
2017
25.11 65km TPE2nd Formosa Trail 65km 16:12:32 h58
16.09 100km MAS7th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 27:11:26 h121
12.03 75km MASBeaufort Ultra Marathon 75K 12:15:10 h13
18.02 100km MAS2nd Borneo Ultra Trail Marathon BUTM - 100 km 25:30:33 h23
2016
29.10 100km MAS6th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 26:18:45 h64
04.06 100km MAS1st Borneo Ultra Trail Marathon BUTM - 100 km 25:37:22 h17
25.04 250km/6stages MAS2nd Borneo Death March 250km Ultra Marathon 40:46:20 h6
06.03 60km MASBeaufort Ultra Marathon 60K 9:11:31 h62
2015
07.11 65km MASRicky Lightfoot Spitfire Challenge 12:27:27 h15
29.08 100km MAS5th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 24:39:37 h47
13.03 100km HKG4th TransLantau 100 Ultra Trail 26:08:10 h219
2014
16.08 100km MASThe Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 25:39:20 h23
18.01 100km HKG4th Hong Kong 100 Ultra Trail Race 22:35:43 h738
2013
16.03 100km HKG2nd Translantau 100 Ultra Trail 25:25:00 h120
2012
16.12 60km MAS1st Beaufort 60K Ultra Marathon 8:53:00 h18
18.09 100km MASThe Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 19:32:32 h23
2011
05.11 100km MASThe Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 17:46:36 h12