Choon-Keat Ong
Born : 1977 Cat. M45 Ultrarunner since 2017 MAS
25
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
1
Countries visited ?MASMalaysia
62,1%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 2 188; Σ finishers = 3 526. 2 188 / 3 526 × 100 = 62.05%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 765 km
> 100 km14
> 160 km4
Longest race200,0 km

Km per year (ultra races)

485
4 races
2022
161
1 race
2023
575
5 races
2024
505
5 races
2025
532
4 races
2026

Race types (share of distance)

Road29,0%
Trail71,0%

HISTORY

25 race(s)
DateRacePerf.Rk
2026
29.08 109km MAS14th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 31:33:10 h93
24.07 157km MAS8th Kadamaian Adventure Race - KAR Ultra 100mi 2d 02:54:10 h183
01.05 160km MAS5th Merapoh Rainforest Trail - 160 km 38:55:10 h41
11.04 106km MAS10th Borneo Ultra Trail Marathon BUTM - 100 km 32:55:19 h137
2025
11.10 100km MAS7th Ultimate Trails of Penang 100 km 32:20:52 h16
30.08 109km MAS13th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 30:20:37 h95
13.07 50km MAS2nd Sulaman Ultra Marathon 5:26:22 h11
06.07 46km MAS1st Bayu Run North Borneo Marathon 5:43:36 h87
26.04 200km MAS10th TITI 200km Road Ultra Marathon 37:38:22 h5
2024
14.09 109km MAS12th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 32:47:09 h144
27.07 110km MAS6th Kadamaian Adventure Race 34:05:35 h189
21.07 50km MAS1st Sulaman Ultra Marathon 7:00:33 h74
26.04 200km MAS9th TITI 200km Road Ultra Marathon 38:52:54 h11
02.03 106km MAS8th Borneo Ultra Trail Marathon BUTM - 100 km 31:42:42 h109
2023
03.06 100miles MAS1st Borneo 100 Miler 2d 04:44:35 h97
2022
17.09 109km MAS10th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 31:21:49 h131
30.07 70km MAS4th Kadamaian Adventure Race 22:53:45 h106
19.03 106km MAS6th Borneo Ultra Trail Marathon BUTM - 100 km 32:11:23 h58
04.03 200km MAS7th TITI 200km Road Ultra Marathon 39:27:59 h11
2020
29.02 90km MAS1st Borneo Four Feathers Ultra Marathon 90km 22:48:37 h34
12.01 67km MASBeaufort Ultra Marathon 67K 9:23:14 h33
2019
14.09 100km MAS9th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 32:28:36 h299
2018
10.03 100km MAS3rd Borneo Ultra Trail Marathon BUTM - 100 km 28:41:47 h56
2017
16.09 100km MAS7th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 28:01:00 h138
18.02 50km MAS2nd Borneo Ultra Trail Marathon BUTM - 50 km 10:44:38 h55