Boon-Seong (黃文祥) Ooi
ID 735710
Born : 1973 Cat. M50 Ultrarunner since 2015 MAS
44
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
6
Countries visited ?HKGHong KongINAIndonesiaKORSouth KoreaMASMalaysiaSGPSingaporeTHAThailand
73,9%
Rank quotient ?This runner's calculation uses 45 eligible race(s): Σ(rank − 1) = 6 795; Σ finishers = 9 189. 6 795 / 9 189 × 100 = 73.95%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed47
Km — ultra races3 705 km
> 100 km8
> 160 km1
> 24h6
Longest race168,0 km
5th Route 68 Challenge - 168 km — 20/4/2019

Km per year (ultra races)

484
6 races
2022
330
4 races
2023
308
3 races
2024
2025
116
2 races
2026

Race types (share of distance)

Road41,1%
Trail56,2%
Stage2,7%

Records

50 km4h51'07100 km15h05'2750 mi12h34'2512 h60,00 km24 h107,30 km

HISTORY

45 race(s)
DateRacePerf.Rk
2026
13.06 65.9km INA2nd Lake Toba by UTMB - Ultimate Expedition 60K 19:00:54 h107
02.05 50km THA5th Amazean Jungle Thailand by UTMB - Betong 50 14:21:56 h565
2024
21.09 24h MAS5th Tin Mines Endurance Challenge - 24 h 100.800 km22
27.07 24h MAS1st Fraser Endurance 24h 107.300 km17
31.05 100km MAS3rd Merapoh Rainforest Trail - 100 km 23:45:37 h131
2023
29.07 80km MAS3rd EcoTrail Putrajaya - 80 km 12:34:25 h26
17.06 100km MAS6th Janda Baik Ultra 100 km 29:33:25 h31
11.06 50km MAS3rd Hulu Selangor Ultra Trail 14:28:21 h50
04.03 100km MAS8th Route 68 Challenge - 100 km 15:05:27 h47
2022
10.12 104km THA3rd Thailand by UTMB - 104km 28:53:42 h409
19.11 100km MAS5th Malaysia Mountain Trail Festival - 100km 25:47:59 h90
02.07 50km MAS8th King of Kampung Kemensah 50 km 7:59:14 h61
28.05 79km MAS1st Pearl of the Orient Ultra 8:54:43 h14
22.05 50km MAS7th Route 68 Challenge - 50 km 4:51:07 h10
26.02 24h MAS3rd Tin Mines Endurance Challenge - 24h 100.800 km15
2020
18.01 100km HKG10th Hong Kong 100 Ultra Trail Race 28:17:31 h1358
2019
02.11 102km INA7th Bromo Tengger Semeru Ultra 100km 29:44:42 h97
11.10 105km MAS2nd Ultimate Trails of Penang 100 km 34:09:26 h53
15.09 52km MAS3rd Janda Baik Ultra 50 km 6:59:28 h33
24.08 100km MAS5th The Magnificent Merapoh Trail (TMMT) 100 km 20:14:29 h155
20.04 168km MAS5th Route 68 Challenge - 168 km 31:19:13 h49
23.03 100km MAS3rd Gopeng Ultra Trail 100 km 22:19:07 h155
26.01 24h MAS24h Malaysia Championship 2019 81.368 km58
12.01 12h MAS2nd Run For It X 12 Hour Challenge 60.000 km130
2018
20.10 100km MAS2nd Janda Baik Ultra 100 km 26:29:16 h141
20.10 24h MAS4th Universiti Malaya 24 hours Ultra Marathon 100.450 km32
13.10 50km MAS1st Denai Ultra Sungkai 7:51:49 h22
11.08 70km MAS4th The Magnificent Merapoh Trail (TMMT) 70 km 13:30:24 h82
28.07 100km MAS3rd Cameron 100 km Ultra Trail 28:26:55 h185
12.05 100km MAS4th Ultimate Trails Of Penang Eco 100 km 28:59:28 h125
01.04 50km MAS2nd Sungai Menyala Forest Trail 8:14:41 h62
17.03 100km MAS5th TITI 100km Road Ultra Marathon 17:44:39 h243
24.02 52km MAS2nd UiTM Ultramarathon 9:40:51 h323
10.02 24h MAS4th 24H Ultra Run 67.650 km100
2017
25.11 100km MAS1st Melaka Ultra 100 km 18:54:12 h71
16.09 100km MAS7th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 29:57:56 h206
01.09 100km/3stages KOR2nd DMZ Ultra Trail 100 km Stage Race 19:28:51 h77
19.08 70km MAS2nd Fraser Ultra 70 km 11:01:47 h41
14.05 54.6km MAS3rd Ultimate Trails Of Penang Eco 50 km 18:38:53 h127
15.04 84km MAS3rd Route 68 Challenge - 84 km 15:18:12 h200
18.03 100km MAS4th TITI 100km Road Ultra Marathon 17:55:03 h235
2016
29.10 50km MAS6th The Most Beautiful Thing (TMBT) 50 km Ultra Trail Marathon 15:33:22 h293
20.08 50km MASCS100 Penang Series - Ultra Trail Marathon Combo Challenge 13:33:42 h241
04.06 50km MAS1st Borneo Ultra Trail Marathon BUTM - 50 km 12:46:42 h126
2015
25.07 50km SGP1st MSIG Singapore Action Asia 50 8:32:42 h225