Mark Olson
ID 47650
Born : 1947 Cat. M75 Ultrarunner since 1983 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
70
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
1
Countries visited ?USAUnited States
59,7%
Rank quotient ?This runner's calculation uses 65 eligible race(s): Σ(rank − 1) = 4 297; Σ finishers = 7 199. 4 297 / 7 199 × 100 = 59.69%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed65
Km — ultra races6 663 km
> 100 km21
> 160 km19
> 200 km7
Longest race217,3 km
31st Badwater Ultramarathon — 10/7/2017

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road33,0%
Trail67,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M3
Longest winning streak0
Current streak0

Records

50 km5h35'35100 km13h49'4250 mi8h49'00100 mi23h12'4412 h98,17 km

HISTORY

66 race(s)
DateRacePerf.Rk
2021
29.05 12h USA13th Nanny Goat 12 Hour Race 75.639 km26
2020
03.10 12h USA3rd Back On the Ranch Trail 12 Hour Run 56.648 km7
2019
25.05 12h USA11th Nanny Goat 12 Hour Race 80.467 km11
2018
26.05 12h USA10th Nanny Goat 12 Hour Race 72.420 km25
2017
10.07 135mi USA31st Badwater Ultramarathon 41:39:19 h57
27.05 12h USA9th Nanny Goat 12 Hour Race 70.811 km11
08.04 50mi USA5th Beyond Limits Ultra Race 50mi 12:17:45 h2 🥈
25.02 50km USA8th Orange Curtain 50km Ultra Race 7:34:47 h30
2016
17.12 100mi USA5th Houston Hundred 100 Mile Ultra 29:28:49 h5
18.07 135mi USA30th Badwater Ultramarathon 45:11:27 h75
28.05 12h USA8th Nanny Goat 12 Hour Race 75.639 km28
19.03 12h USA2nd Vegas Moonlight 12 hour Ultra 70.006 km5
09.01 50mi USA3rd Long Beach Enlightened Ultra 50 Mile 13:24:00 h27
2014
05.12 100mi USA1st Jester's World Record Run 26:40:00 h8
21.07 135mi USA28th Badwater Ultramarathon 44:44:00 h70
2013
16.11 100mi USA5th The Chimera 100 Mile Mountain Race 31:59:28 h77
15.07 135mi USA27th Badwater Ultramarathon 40:51:56 h44
09.06 33mi USA17th Holcomb Valley 33 Mile 8:13:01 h86
04.05 50km USA33rd Wild Wild West 50k 7:51:13 h26
2012
03.11 50mi USA3rd Coyote Springs 50 Mile Trail Run - Fall edition 14:57:28 h4
16.07 135mi USA26th Badwater Ultramarathon 45:45:25 h85
23.06 100mi USA39th Western States 100 Mile Endurance Run 29:27:30 h293
26.05 12h USA4th Nanny Goat 12 Hour Race 82.076 km17
2011
11.07 135mi USA25th Badwater Ultramarathon 35:07:47 h26
12.06 33mi USA15th Holcomb Valley 33 Mile 7:56:44 h58
28.05 12h USA3rd Nanny Goat 12 Hour Race 98.169 km6
15.05 50km USA10th Big Basin Redwoods Trail Run 7:59:58 h18
30.04 50mi USA19th Leona Divide 50 Mile Run 11:21:11 h170
16.01 50km USA7th Calico Trail Run 50 km 6:16:37 h45
2010
05.12 50km USA24th OTHTC High Desert 50K Ultra 5:35:35 h93
23.10 100mi USA8th Javelina Jundred 100 Mile Endurance Run 23:12:44 h37
17.04 50mi USA18th Leona Divide 50 Mile Run 11:59:52 h119
13.03 50km USA21st Way Too Cool 50K Endurance Run 7:49:31 h411
2009
13.07 131mi USA23rd Badwater Ultramarathon - 131mi Split and Finish 37:21:00 h38
13.07 135mi USA23rd Badwater Ultramarathon 2d 01:45:16 h38
14.06 33mi USA13th Holcomb Valley 33 Mile 8:05:55 h77
18.04 50mi USA17th Leona Divide 50 Mile Run 11:12:44 h83
14.03 50km USA20th Way Too Cool 50K Endurance Run 6:32:20 h310
2008
13.09 100mi USA22nd Angeles Crest 100 Mile 31:11:18 h71
08.06 33mi USA12th Holcomb Valley 33 Mile 7:35:37 h66
2007
03.11 50mi USA12th Helen Klein Ultra Classic 50mi 9:57:07 h70
23.06 100mi USA34th Western States 100 Mile Endurance Run 27:07:24 h157
2006
04.11 50mi USA11th Helen Klein Ultra Classic 50mi 10:20:02 h94
2000
21.10 50km USA5th Baldy Peaks 50K 10:35:23 h47
09.09 50km USA9th Bulldog 50k Ultra Run 7:16:32 h87
1999
11.09 50km USA8th Bulldog 50k Ultra Run 6:21:38 h59
21.08 100km USA1st Angeles National Forest 100k 13:49:42 h25
1998
12.09 50km USA4th Baldy Peaks 50K 9:46:36 h26
05.09 50km USA7th Bulldog 50k Ultra Run 6:42:43 h34
15.03 50km USA15th San Juan Trail 50 km 7:24:57 h76
1997
27.09 100mi USA12th Angeles Crest 100 Mile 29:56:01 h58
06.09 50km USA6th Bulldog 50k Ultra Run 5:58:17 h42
06.09 50km USA3rd Baldy Peaks 50K 8:56:32 h45
1996
14.09 50km USA5th Bulldog 50k Ultra Run 5:52:33 h54
29.06 100mi USA23rd Western States 100 Mile Endurance Run 28:57:43 h179
18.05 50mi USA5th Lost Boys 50 Mile Trail Run 12:43:53 h55
20.04 50mi USA5th Leona Divide 50 Mile Run 11:04:22 h96
24.03 50km USA13th San Juan Trail 50 km 6:57:24 h88
1995
30.09 100mi USA10th Angeles Crest 100 Mile 30:10:10 h57
1993
17.04 50mi USA2nd Leona Divide 50 Mile Run 9:39:57 h30
1987
27.06 100mi USA14th Western States 100 Mile Endurance Run 23:45:52 h65
12.04 50mi USA8th American River 50 Mile Endurance Run 8:49:00 h129
1985
17.08 100mi USA3rd Leadville Trail 100 Mile 28:42:16 h20
1984
23.06 93.5mi USA11th Western States 100 Mile Endurance Run 20:47:00 h35
28.04 100km USASteamroller Ultra 15:32:13 h50
1983
25.06 93.5mi USA10th Western States 100 Mile Endurance Run 21:49:00 h37