Year-Ooi (蔡雅威) Chuah
Born : 1974 Cat. M50 Ultrarunner since 2016 MAS
46
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
2
Countries visited ?HKGHong KongMASMalaysia
53,7%
Rank quotient ?This runner's calculation uses 46 eligible race(s): Σ(rank − 1) = 5 092; Σ finishers = 9 474. 5 092 / 9 474 × 100 = 53.75%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed46
Km — ultra races4 003 km
> 100 km3
> 160 km3
Longest race200,0 km

Km per year (ultra races)

547
6 races
2022
200
2 races
2023
198
3 races
2024
487
6 races
2025
200
3 races
2026

Race types (share of distance)

Road41,9%
Trail58,1%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0

HISTORY

46 race(s)
DateRacePerf.Rk
2026
25.07 66km MAS5th Himalaya Sports TransNaning Ultra Challenge 68km 25:02:18 h26
20.06 50km MAS4th Trail des Gombak 15:40:29 h135
07.02 84km MAS11th Route 68 Challenge - 84 km 11:06:15 h4
2025
01.11 100km MAS6th Sekinchan Ultra 100km 16:03:04 h23
11.10 62km MAS7th Ultimate Trails of Penang 60 km 21:47:46 h18
27.09 53.6km MAS2nd Malaysia Ultra-Trail by UTMB - MY50 12:26:42 h315
16.08 53km MAS3rd Magnificent Baling 50 8:09:53 h96
14.06 50km MAS11th King of Kampung Kemensah 50 km 11:01:35 h35
22.02 168km MAS10th Route 68 Challenge - 168 km 28:12:29 h11
2024
16.11 48km MAS1st Malaysia Ultra-Trail by UTMB - MY50 16:07:30 h390
29.06 50km MAS2nd TNBYY Ultra 17:28:12 h171
03.02 100km MAS2nd Semenyih Ultra 100km 14:04:14 h16
2023
06.05 100km MAS5th Langkawi 100 km Ultra Marathon 17:10:15 h63
18.03 100km MAS8th TITI 100km Road Ultra Marathon 16:06:12 h30
2022
10.12 50km MAS1st Nakawan Ultra 9:57:26 h59
03.09 100km MAS1st Kailas Perak Ultra 100km 15:46:49 h36
06.08 50km MAS1st Battle of Bukit Cendana Ultra Challenge 16:28:36 h45
16.07 100km MAS6th Ultimate Trails Of Penang Eco 100 km 29:45:00 h33
28.05 79km MAS1st Pearl of the Orient Ultra 10:11:20 h44
21.05 168km MAS7th Route 68 Challenge - 168 km 29:43:32 h18
2021
18.12 84km MAS4th Malaysia Mountain Trail Festival - 84KM Ultra Challenge 25:19:43 h122
2020
29.02 100km MAS3rd Langkawi 100 km Ultra Marathon 14:03:38 h20
2019
14.12 84km MAS2nd Malaysia Mountain Trail Festival - 84KM Ultra Challenge 25:52:36 h223
30.11 100km MAS1st Sekinchan Ultra 100km 14:40:47 h23
27.07 100km MAS4th Cameron 100 km Ultra Trail 24:46:37 h110
27.04 70km MAS1st Ultra Trail Langkawi 11:42:45 h15
15.03 200km MAS6th TITI 200km Road Ultra Marathon 38:27:57 h15
02.03 100km MAS3rd Kuching 100 km Road Ultra 14:59:57 h23
19.01 16h MAS6th Watergate 16hr 60.000 km99
2018
01.09 100km MAS8th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 23:41:47 h100
10.08 100km MAS4th The Magnificent Merapoh Trail (TMMT) 100 km 19:38:51 h72
28.07 100km MAS3rd Cameron 100 km Ultra Trail 25:39:05 h85
15.07 50km MAS1st Fraser's Hill Tristate Ultra Trail 16:11:42 h56
12.05 100km MAS4th Ultimate Trails Of Penang Eco 100 km 28:14:00 h114
27.01 100km HKG8th Hong Kong 100 Ultra Trail Race 23:47:11 h1202
2017
17.12 53km MAS1st Janda Baik Ultra 53 km 8:56:49 h139
30.09 100km MAS4. Penang 100 km Challenge 17:03:03 h79
05.08 100km MAS3rd The Magnificent Merapoh Trail (TMMT) 100 km 19:47:42 h140
22.07 100km MAS2nd Cameron 100 km Ultra Trail 28:09:55 h176
25.03 100km MAS1st Gopeng Ultra Trail 100 km 21:50:34 h39
18.02 100km MAS2nd Borneo Ultra Trail Marathon BUTM - 100 km 26:32:04 h32
2016
08.10 100km MAS1st Cameron 100 km Ultra Trail 29:41:05 h109
20.08 50km MASCS100 Penang Series - Ultra Trail Marathon Combo Challenge 12:21:00 h192
17.07 100km MAS1st Langkawi 100 km Ultra Marathon 17:36:38 h43
10.04 70km MAS2nd Route 68 Challenge - 68 km 11:41:30 h231
20.03 50km MAS3rd TITI 50km Road Ultra Marathon 7:39:52 h111