Robert MacKay
ID 14566
Born : 1970 Cat. M55 Ultrarunner since 2005 CAN
24
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
4
Countries visited ?CANCanadaCHNChinaMARMoroccoUSAUnited States
39,3%
Rank quotient ?This runner's calculation uses 24 eligible race(s): Σ(rank − 1) = 1 170; Σ finishers = 2 974. 1 170 / 2 974 × 100 = 39.34%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed34
Km — ultra races1 965 km
> 100 km4
> 160 km4
> 200 km2
Longest race250,0 km
Gobi March China — 22/6/2007

Km per year (ultra races)

50
1 race
2022
50
1 race
2023
50
1 race
2024
2025
50
1 race
2026

Race types (share of distance)

Road5,1%
Trail69,7%
Stage25,2%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak0

Records

50 km3h46'47100 km9h12'5650 mi7h10'56100 mi24h26'31

HISTORY

24 race(s)
DateRacePerf.Rk
2026
19.09 50km CAN8th Freaky Creeky 50k Race 6:43:32 h27
2024
20.07 50km USA6th Wy'east Howl 50km Race 7:51:00 h31
2023
05.08 50km USA11th Volcanic 50 7:56:44 h47
2022
20.08 50km USA6th Backcountry Rise 50 km Race 8:14:24 h58
2019
29.03 100mi USA9th Badger Mountain 100 Mile Challenge 24:54:04 h40
2018
09.06 50km USA1st Fragrance Lake 50km Race 5:43:27 h4
2017
22.07 45mi USA1st Bigfoot 45 Mile Race 9:11:48 h9
2014
08.03 50km CAN14th Dirty Duo Trail Run 4:35:15 h6
2013
09.03 50km CAN13th Dirty Duo Trail Run 4:37:16 h9
2012
30.03 100mi USA2nd Badger Mountain 100 Mile Challenge 24:26:31 h8
2011
07.05 50km CAN24th Harriers Elk/Beaver Ultras, 50km 3:53:13 h2 🥈
2010
13.03 50km CAN10th Dirty Duo Trail Run 4:38:58 h4
2009
07.11 100km CAN13th Haney to Harrison 100km Ultra 9:12:56 h6
02.05 50mi CAN22nd Harriers Elk/Beaver Ultras, 50mi 7:10:56 h3 🥉
21.03 50km USA17th Chuckanut 50K 4:52:26 h39
2008
03.05 50km CAN21st Harriers Elk/Beaver Ultras, 50km 3:46:47 h1 🏆
05.04 50km CAN12th Diez Vista 50K Trail Run 5:41:32 h27
15.03 50km USA16th Chuckanut 50K 5:14:10 h50
2007
11.08 50mi CAN7th Stormy 50-Mile 9:04:21 h17
22.06 250km/6stages CHNGobi March China 2d 03:30:35 h87
2006
12.08 64km CAN6th Stormy Trail Race 6:29:11 h17
06.05 50km CAN19th Harriers Elk/Beaver Ultras, 50km 4:25:04 h4
18.03 50km USA14th Chuckanut 50K 5:29:45 h73
2005
10.04 245.7km/6stages MAR20. Marathon des Sables 2d 10:34:48 h625