Razif Yahya
ID 359308
Born : 1972 Cat. M50 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
11
Countries visited ?AUSAustraliaBRUBruneiHKGHong KongINAIndonesiaITAItalyJPNJapanMASMalaysiaNZLNew ZealandPHIPhilippinesSGPSingaporeTHAThailand
60,1%
Rank quotient ?This runner's calculation uses 43 eligible race(s): Σ(rank − 1) = 5 725; Σ finishers = 9 533. 5 725 / 9 533 × 100 = 60.05%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed48
Km — ultra races4 429 km
> 100 km11
> 160 km8
> 200 km2
Longest race444,0 km
3rd Coast to Coast Ultra 444km — 19/7/2019

Km per year (ultra races)

162
2 races
2022
2023
209
3 races
2024
211
2 races
2025
100
1 race
2026

Race types (share of distance)

Road15,8%
Trail74,1%
Stage10,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km6h02'15100 km15h50'5750 mi14h41'57100 mi31h48'1212 h56,00 km

HISTORY

43 race(s)
DateRacePerf.Rk
2026
24.01 100km HKG16th Hong Kong 100 Ultra Trail Race 23:34:33 h1446
2025
06.09 50km MAS3rd Pahang Ultra 6:27:39 h16
16.05 100mi AUS1st Ultra-Trail Australia by UTMB - UTA Miler 42:15:09 h286
2024
08.12 50km MAS2nd Nakawan Ultra 9:20:08 h31
14.09 109km MAS12th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon 29:51:04 h80
19.08 50km MAS3rd Muallim Cross Country Run 10:24:35 h62
2022
19.03 106km MAS6th Borneo Ultra Trail Marathon BUTM - 100 km 32:16:51 h59
20.02 12h MAS4th Bukit Kiara Ultra Challenge 56.000 km56
2020
11.04 50km MAS4th Sungai Menyala Forest Trail 7:43:57 h30
2019
07.09 50km MAS1st Labuan Bird Park Eco Ultra Marathon 50 km 8:20:06 h24
19.07 444km/6stages MAS3rd Coast to Coast Ultra 444km 4d 12:01:03 h5
04.05 50km MAS1st UTM Eco Ultra 6:23:10 h15
23.03 100km MAS3rd Gopeng Ultra Trail 100 km 15:50:57 h28
09.03 100km MAS4th Borneo Ultra Trail Marathon BUTM - 100 km 28:43:46 h74
2018
25.11 50km MAS2nd MSIG Malaysia Action Asia 50 Janda Baik Pahang 8:25:48 h14
24.03 100km MAS2nd Gopeng Ultra Trail 100 km 20:14:00 h42
10.02 100mi NZL1st Tarawera 100 Mile Endurance Run 35:28:40 h77
2017
26.11 50mi PHI7th Clark-Miyamit Falls Trail Ultra (CM50) 17:53:45 h114
08.09 116km ITAUltra Tour Monte Rosa Non stop Race - Ultra 116 34:54:04 h54
22.07 50km INA1st Plataran X Trail 6:09:40 h9
20.05 100km AUS10th Ultra-Trail Australia 100 km 17:00:02 h506
15.04 168km MAS3rd Route 68 Challenge - 168km 29:14:42 h9
25.03 100km MAS1st Gopeng Ultra Trail 100 km 16:41:05 h6
25.02 50km BRU1st Beach Bunch's 50 km Trail Challenge 8:07:17 h31
2016
27.11 50mi PHI6th Clark-Miyamit Falls Trail Ultra (CM50) 16:12:24 h33
11.09 330km ITA7° Tor des Géants - 330 km Endurance Trail della Valle d'Aosta 6d 03:22:18 h406
10.04 70km MAS2nd Route 68 Challenge - 68 km 8:38:36 h21
19.03 100mi NZL6th Northburn Station 100 Miler Mountain Run 41:05:44 h35
2015
22.11 50mi PHI5th Clark-Miyamit Falls Trail Ultra (CM50) 14:41:57 h46
25.07 50km SGP1st MSIG Singapore Action Asia 50 6:02:15 h58
16.05 100km AUS8th The North Face 100 Australia 16:59:59 h456
31.01 100km THA4th The North Face 100 Thailand - 100 km 17:03:43 h58
2014
22.11 52km MAS1st Putrajaya 100 - 50 km Run 7:01:54 h2 🥈
25.04 100mi JPN3rd Ultra-Trail Mt. Fuji 45:32:16 h817
08.02 100km THA3rd The North Face 100 Thailand - 100 km 16:13:24 h33
04.01 16h MAS1st Watergate 16hr 50.000 km34
2013
24.11 50mi PHIClark-Miyamit Falls Trail Ultra (CM50) 17:06:13 h61
03.03 12h MAS1st Gunung Nuang Endurance 12 hour Run 50.000 km76
2012
13.10 100km SGPThe North Face 100 Singapore 16:01:57 h33
22.09 100mi SGP1st Craze Ultra 100 Miles 31:48:12 h23
04.02 100km THA1st The North Face 100 Thailand - 100 km 15:53:33 h25
2011
18.12 12h SGP3rd MR25 Cross Country Ultra Marathon 51.000 km144
25.06 100km SGP1st Sundown 100 km Ultramarathon 16:16:40 h333