Maria Frosth
Born : 1960 Cat. W65 Ultrarunner since 2013 USA
50
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
3
Countries visited ?CANCanadaSWESwedenUSAUnited States
89,2%
Rank quotient ?This runner's calculation uses 79 eligible race(s): Σ(rank − 1) = 4 202; Σ finishers = 4 712. 4 202 / 4 712 × 100 = 89.18%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed79
Km — ultra races4 928 km
> 100 km4
> 24h13
> 48h2
Longest race138,5 km

Km per year (ultra races)

355
6 races
2022
232
4 races
2023
346
6 races
2024
282
5 races
2025
315
6 races
2026

Race types (share of distance)

Road40,4%
Trail59,6%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F1
🏅 Top 32
🏅 Top 3 F9
Longest winning streak0
Current streak0

HISTORY

79 race(s)
DateRacePerf.Rk
2026
15.08 24h USA2nd 5K Fest 50.000 km22
01.08 12h USA11th River to Sea 12 Hour Race 54.186 km23
27.06 37mi USA8th Toxic Trail 37 Mile Race 11:52:02 h22
16.05 50km USA18th Keys100 Ultra-Marathons 50km 9:18:27 h30
04.04 50km USA32nd Croom Trail 50K I'm Not A Fool Run 10:43:40 h77
15.03 10h USA7th Picnic Island Ultra 10 Hour Race 50.951 km3 🥉
2025
22.11 45km USA5th Colt 45 km Trail Run 8:55:09 h52
01.11 24h USA12th Azalea 24 Hour Race 80.467 km13
18.10 12h USA1st Viewpoint Endurance Challenge 49.889 km4
12.07 50km USA5th Vero Beach Octopus 50 km Ultra 10:51:41 h23
01.02 12h USA12th Whispering Pines 12 Hours 56.327 km18
2024
23.11 12h USA4th El Gato Rebelde Ultra 12-Hour 63.054 km16
02.11 24h USA11th Azalea 24 Hour Race 80.467 km16
28.09 12h USA10th Tick Tock 12 Hour Ultra Florida 59.421 km36
13.07 29mi USA4th Vero Beach Octopus 29 mi Ultra 10:53:57 h3 🥉
18.05 50km USA16th Keys100 Ultra-Marathons 50km 11:58:33 h38
09.03 24h USA8th Save the Daylight 24 Hour Race 46.168 km7
2023
04.11 24h USA10th Azalea 24 Hour Race 80.499 km18
30.09 12h USA9th Tick Tock 12 Hour Ultra Florida 50.275 km38
19.08 45km SWE9th Ultravasan45 9:13:25 h573
03.06 12h USA3rd Brokentrack 12 Hour Run 56.327 km18
2022
19.11 45km USA2nd Colt 45 km Trail Run 9:34:14 h41
05.11 24h USA9th Azalea 24 Hour Race 80.016 km8
23.07 50km USA2nd Vero Beach Octopus 50 km Ultra 12:01:40 h25
04.06 12h USA2nd Brokentrack 12 Hour Run 52.303 km20
19.03 10h USA4th Picnic Island Ultra 10 Hour Race 46.848 km19
19.02 50mi USA16th LOST 118 Mile Endurance Run - 50mi 18:16:03 h5
2021
04.12 50mi USA7th Daytona 100 - 50 Miles Ultra 22:25:00 h35
20.11 45km USA1st Colt 45 km Trail Run 10:28:49 h39
23.10 24h USA6th Endless Mile - 24 Hour Race 83.855 km19
28.08 37mi USA3rd Toxic Trail 37 Mile Race 12:18:52 h16
19.06 30mi USA1st Hunting Solstice 30 Mile Ultra 10:49:09 h19
05.06 24h USA13th Black Mountain Monster 24 Hour Run 52.303 km79
23.04 50km USA6th Chopawamsic Challenge 50K 13:55:10 h33
03.04 50km USA8th Brazos Bend 50 - 50 km 9:23:10 h151
14.02 50km USA9th Destin 50 km Beach Ultra 10:44:14 h27
2020
05.12 50mi USA6th Daytona 100 - 50 Miles Ultra 15:47:00 h43
28.02 48h USA7th Save the Daylight 48 Hour Race 138.504 km18
08.02 100km USA15th Iron Horse 100 km Endurance Run 20:23:07 h25
2019
07.12 50mi USA5th Daytona 100 - 50 Miles Ultra 15:56:00 h20
23.11 24h USA7th Icarus Florida 24 Hour UltraFest 109.403 km8
01.11 48h USA6th Save the Daylight 48 Hour Race 122.068 km23
03.08 50mi USA2nd Mo' Bell 50 Miles 19:58:50 h20
29.06 37mi USA1st Toxic Trail 37 Mile Race 10:43:50 h25
01.06 50km USA24th Kettle Moraine 50 km Endurance Run 11:04:58 h100
20.04 50km USA2nd Coyote 50 km Trail Run 14:01:42 h59
23.03 50mi USA7th Lake Martin 50 Mile Ultra Trail Race 17:34:58 h63
09.03 50km USA8th Everglades 50 km Ultra Run 8:17:36 h63
16.02 50km USA8th Destin 50 km Beach Ultra 8:55:48 h47
05.01 50km USA9th Croom Zoom 50 km Run 9:13:00 h93
2018
17.11 24h USA6th Icarus Florida 24 Hour UltraFest 100.954 km12
03.11 24h USA5th Save the Daylight 24 Hour Race 99.779 km10
13.10 50km USA6th WC-50 Ultra Trail Marathon 50km 11:37:51 h70
30.06 50km USA2nd Night Train 50k 8:22:01 h75
19.05 50mi USA11th Keys100 Ultra-Marathons 50mi 14:30:45 h51
05.05 50km USA7th Wambaw Swamp Stomp 50 km Trail Run 9:12:19 h44
14.04 50km USA7th J.W. Corbett 50 km Trail Race 10:13:00 h35
03.03 50mi USA2nd Dunes 100 - 50-Mile Run 15:49:39 h23
17.02 50km USA16th Little Su 50 km 11:04:22 h24
13.01 50mi USA7th Bear Bait 50M Ultramarathon 15:46:00 h11
2017
09.12 50mi USA3rd Daytona 100 - 50 Miles Ultra 13:56:01 h29
14.10 50km USA4th Pilot Mountain to Hanging Rock 50K Ultra 11:14:10 h125
23.09 12h USA4th Tick Tock 12 Hour Ultra Florida 63.987 km27
20.05 50km USA10th Keys100 Ultra-Marathons 50km 8:38:30 h62
22.04 50km USA6th J.W. Corbett 50 km Trail Race 9:38:02 h34
2016
10.12 50km USA3rd Bulow Woods Trail Race and Ultra Marathon 7:54:02 h35
21.08 50km CAN5th Squamish 50km 10:36:52 h249
20.02 50km USA5th Everglades 50 km Ultra Run 8:32:19 h58
06.02 50mi USA11th Iron Horse 50 Mile Endurance Run 14:24:36 h51
2015
12.12 50km USA2nd Bulow Woods Trail Race and Ultra Marathon 7:59:51 h65
11.04 50mi USA4th Wild Sebastian 50 - Spring Edition 17:23:30 h15
2014
13.12 50km USA1st Bulow Woods Trail Race and Ultra Marathon 7:54:08 h45
15.11 50mi USA1st Tunnel Hill 50 Mile Race 13:56:35 h159
20.09 50km USA12th Dances with Dirt - Hell 50K Ultra 10:27:33 h119
12.07 50km USA11th Dances with Dirt - Devil's Lake 50K Ultra 10:15:36 h207
10.05 50km USA11th Dances with Dirt - Gnaw Bone 50 km Ultra 10:09:24 h126
19.04 50km USA2nd Down to Run (DTR) Endurance Challenge 8:28:39 h47
08.03 50km USA11th Dances with Dirt - Green Swamp 50 km Ultra 7:45:39 h70
2013
13.07 50km USA10th Dances with Dirt - Devil's Lake 50K Ultra 10:51:44 h210