Amirul Tuah
ID 488303
Born : 1990 Cat. M35 Ultrarunner since 2013 BRU
35
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
5
Countries visited ?BRUBruneiHKGHong KongINAIndonesiaMASMalaysiaSGPSingapore
27,5%
Rank quotient ?This runner's calculation uses 35 eligible race(s): Σ(rank − 1) = 1 972; Σ finishers = 7 161. 1 972 / 7 161 × 100 = 27.54%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed36
Km — ultra races3 298 km
> 100 km9
> 160 km3
> 200 km1
> 24h1
> 48h1
Longest race202,8 km
1st 50 Hours Chasing Crocodile Run - 50h — 12/7/2019

Km per year (ultra races)

127
1 race
2022
367
5 races
2023
160
2 races
2024
50
1 race
2025
156
2 races
2026

Race types (share of distance)

Road26,1%
Trail62,6%
Stage3,9%
Elim.7,3%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 34
🏅 Top 3 M4
Longest winning streak1
Current streak0

Records

50 km5h08'00100 km15h33'19100 mi29h36'0012 h62,10 kmBackyard19 loops

HISTORY

35 race(s)
DateRacePerf.Rk
2026
24.01 100km HKG16th Hong Kong 100 Ultra Trail Race 19:53:06 h1019
23.01 56km HKG16th Hong Kong 100 Ultra Trail Race - Half 7:39:42 h257
2025
22.02 50km MAS9th Borneo Ultra Trail Marathon BUTM - 50 km 7:58:10 h14
2024
27.07 110km MAS6th Kadamaian Adventure Race 20:36:38 h12
17.02 50km BRU1st Brunei Darussalam Ultra Trail Marathon 10:42:04 h7
2023
03.11 100km MAS6th Malaysia Mountain Trail Festival - 100km 19:43:20 h42
02.09 48km MAS11th The Most Beautiful Thing (TMBT) 50 km Ultra Trail Marathon 9:05:07 h20
26.08 Backyard Ultra BRU2nd Brunei Backyard Ultra 114.002 km (17h)3 🥉
29.07 55km MAS5th Kadamaian Adventure Race 9:37:14 h12
11.03 50km MAS7th Borneo Ultra Trail Marathon BUTM - 50 km 8:36:24 h11
2022
24.12 Backyard Ultra BRU1st Brunei Backyard Ultra 127.414 km (19h)1 🏆
2020
07.03 50km MAS4th Kuching 50 km Road Ultra 5:08:00 h2 🥈
2019
30.11 115km BRU2nd Brunei Unexpected Kingdom Ultra Marathon (BUKUM) 115 km 16:10:01 h9
19.10 100km MAS1st The Great Malaya Trail 100 km 29:27:11 h8
07.09 50km MAS1st Labuan Bird Park Eco Ultra Marathon 50 km 6:50:52 h4
12.07 50h MAS1st 50 Hours Chasing Crocodile Run - 50h 202.800 km1 🏆
2018
02.12 60km BRU1st Brunei Unexpected Kingdom Ultra Marathon (BUKUM) 60 km 7:10:11 h10
01.09 100km MAS8th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 22:58:05 h85
14.07 73km INA2nd Mantra Summits Challenge 75 km 22:51:18 h15
24.03 100km BRU2nd Beach Bunch's 100 km Trail Challenge 19:41:59 h11
16.03 200km MAS5th TITI 200km Road Ultra Marathon 37:58:36 h17
24.02 52km MAS2nd UiTM Ultramarathon 6:57:43 h47
2017
04.11 102km INA5th Bromo Tengger Semeru Ultra 100km 31:16:10 h50
07.10 100km INA4th MesaStila Ultra Race 100K 32:14:39 h26
16.09 100km MAS7th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 20:09:50 h34
05.08 100km MAS3rd The Magnificent Merapoh Trail (TMMT) 100 km 15:33:19 h32
25.02 100km BRU1st Beach Bunch's 100 km Trail Challenge 20:43:56 h17
18.02 100km MAS2nd Borneo Ultra Trail Marathon BUTM - 100 km 21:33:07 h11
04.02 130km/2stages HKG1st The 9 Dragons - 50/50 30:01:55 h33
2016
19.11 100mi MAS3rd Putrajaya 100 - 100 Miles Run 29:36:00 h10
29.10 100km MAS6th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 22:43:45 h23
08.10 100km MAS1st Cameron 100 km Ultra Trail 21:42:20 h23
29.07 100km MAS2nd The Magnificent Merapoh Trail (TMMT) 100 km 17:26:18 h28
2015
28.03 16h SGP5th Twilight Ultra Challenge 80.000 km55
2013
29.12 12h SGP5th MR25 Cross Country Ultra Marathon 62.100 km58