Kok-Leong (Joshua) Toh
Born : 1977 Cat. M45 Ultrarunner since 2009 SGP
26
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
54
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
8
Countries visited ?AUSAustraliaGBRUnited KingdomHKGHong KongMASMalaysiaNZLNew ZealandSGPSingaporeTHAThailandUSAUnited States
21,5%
Rank quotient ?This runner's calculation uses 26 eligible race(s): Σ(rank − 1) = 2 623; Σ finishers = 12 204. 2 623 / 12 204 × 100 = 21.49%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed36
Km — ultra races3 834 km
> 100 km9
> 160 km7
> 200 km5
> 24h5
> 48h3
Longest race482,8 km

Km per year (ultra races)

342
1 race
2022
575
2 races
2023
648
3 races
2024
342
1 race
2025
142
1 race
2026

Race types (share of distance)

Road10,6%
Trail28,8%
Stage21,8%
Elim.38,8%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 34
🏅 Top 3 M4
Longest winning streak1
Current streak0

HISTORY

26 race(s)
DateRacePerf.Rk
2026
27.02 142km/2stages HKG7th The 9 Dragons - 50/50 27:19:45 h36
2025
21.06 Backyard Ultra AUSDead Cow Gully Backyard Ultra 342.006 km (51h)16
2024
19.10 Backyard Ultra SGP3rd Backyard Ultra World Team Championships - Singapore 167.650 km (25h)2 🥈
02.09 380km/6stages GBR9th Dragon's Back Race 3d 04:26:21 h77
20.01 100km HKG14th Hong Kong 100 Ultra Trail Race 18:16:11 h176
2023
21.10 Backyard Ultra USA12th Big Dog's Backyard Ultra 482.832 km (72h)22
24.06 12h SGP8th Bedok Reservoir 12 hour Ultramarathon 91.980 km3 🥉
2022
15.10 Backyard Ultra SGP2nd Backyard Ultra World Team Championships - Singapore 342.006 km (51h)1 🏆
2020
17.10 Backyard Ultra SGP1st Backyard Ultra World Team Championships - Singapore 154.238 km (23h)6
2019
20.05 315km/5stages GBR5th Dragon's Back Race 2d 12:08:37 h119
2018
10.11 97.7km THA4th Pong Yaeng 100 km Trail 15:03:41 h18
29.09 50km SGP4th MSIG Singapore Action Asia 50 4:47:00 h16
03.03 50km HKG7th TransLantau 50 Ultra Trail 7:37:09 h47
13.01 57km HKG1st TransNT 57 km Run 8:31:10 h31
2017
21.10 66km THA1st Ultra-Trail Chiang Rai 66 km 12:55:36 h23
07.10 100km SGP1st SG-Ultra Marathon - 100 km 14:41:55 h27
22.07 55km MAS2nd Cameron 55 km Ultra Trail 11:04:52 h79
18.03 100mi NZL7th Northburn Station 100 Miler Mountain Run 35:57:32 h34
2016
18.11 100km HKG35th Oxfam Trailwalker Hong Kong 19:44:28 h361
23.01 100km HKG6th Hong Kong 100 Ultra Trail Race 21:32:43 h707
2015
27.12 12h SGP7th MR25 Cross Country Ultra Marathon 73.500 km39
16.05 100km AUS8th The North Face 100 Australia 19:27:01 h670
03.01 12h SGP6th MR25 Cross Country Ultra Marathon 93.150 km2 🥈
2011
26.03 16h SGPTwilight Ultra Challenge 45.000 km101
2010
29.05 84km SGP3rd Sundown Night 84km 7:32:40 h4
2009
30.05 84km SGP2nd Sundown Night 84km 9:26:55 h32