John Maroushek
ID 776474
Born : 1966 Cat. M60 Ultrarunner since 2015 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
64
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
28,9%
Rank quotient ?This runner's calculation uses 66 eligible race(s): Σ(rank − 1) = 1 807; Σ finishers = 6 248. 1 807 / 6 248 × 100 = 28.92%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed66
Km — ultra races6 960 km
> 100 km18
> 160 km12
> 200 km6
> 24h13
> 48h5
Longest race709,6 km
34th Across the Years, 6 days — 28/12/2018

Km per year (ultra races)

153
2 races
2022
599
8 races
2023
51
1 race
2024
50
1 race
2025
168
3 races
2026

Race types (share of distance)

Road51,2%
Trail48,2%
Elim.0,7%

Wins & podiums (ultra)

🏆 Win5
🏆 Win M5
🏅 Top 310
🏅 Top 3 M12
Longest winning streak1
Current streak0

Records

50 km5h06'38100 km11h17'0050 mi9h46'51100 mi18h56'416 h57,00 km12 h101,60 km24 h202,20 km48 h300,73 km6 d709,59 kmBackyard7 loops

HISTORY

66 race(s) · 1 split(s) nested
DateRacePerf.Rk
2026
22.08 12h USA10th Jackrabbit Jubilee 12 Hour Run 58.003 km29
18.04 60km USA11th Whiskey Basin 60 km Trail Run 6:46:41 h10
28.03 50km USA34th Crown King Scramble 50K 6:12:48 h37
2025
21.11 6h USA7th Fat Ox 6 Hour Run 50.095 km7
2024
23.03 51.3km USA32nd Crown King Scramble 50K 8:15:55 h172
2023
28.12 48h USA39th Across the Years, 48h 190.427 km8
17.11 12h USA5th Fat Ox 12 Hour Run 57.239 km7
15.04 91km USA8th Whiskey Basin 91 km Trail Run 12:52:30 h23
25.03 50km USA31st Crown King Scramble 50K 6:54:10 h74
11.03 50km USA14th Mesquite Canyon 50 km 7:47:23 h33
25.02 50km USA4th Copper Corridor 50km Race 5:54:07 h43
19.02 60.2km USA10th Black Canyon Trail 60 km Run 7:53:25 h120
04.02 50km USA11th Elephant Mountain 50 km 6:39:16 h21
2022
28.12 6d USA38th Across the Years, 6 days 102.858 km57
26.03 50km USA30th Crown King Scramble 50K 9:46:20 h173
2021
24.09 24h USA4th Goosebumps 24 Hour Run 51.981 km76
18.09 12h USA5th Jackrabbit Jubilee 12 Hour Run 46.027 km41
28.08 24h USA5th Hotfoot Hamster 24 Hour Run 112.975 km12
27.03 50km USA29th Crown King Scramble 50K 6:33:07 h53
06.03 50km USA12th Mesquite Canyon 50 km 6:52:00 h35
16.01 52mi USA11th Coldwater Rumble 52 Mile Race 8:58:35 h2 🥈
02.01 50km USA11th San Tan Scramble 50K 5:35:32 h8
2020
19.12 50km USA11th Cave Creek Thriller 50K Race 5:19:50 h9
05.12 50km USA11th McDowell Mountain Frenzy 50 km 5:29:33 h29
21.11 24h USA1st Vulture Mine 24 Hour Race 170.590 km1 🏆
14.11 50km USA11th Pass Mountain 50 km Race 5:39:59 h10
2019
28.12 10d USA35th Across the Years, 10 days 571.627 km23
29.11 48h USA1st Fat Ox 48 Hour Run 298.301 km1 🏆
16.11 50km USA10th Pass Mountain 50 km Race 5:47:00 h14
28.09 75km USA10th Javelina Jangover Night Run 75K 8:19:28 h5
20.09 24h USA3rd Goosebumps 24 Hour Run 187.569 km1 🏆
24.08 12h USA3rd Jackrabbit Jubilee 12 Hour Run 101.602 km4
15.06 54km USA7th Insomniac Night Trail Run Series - Hypnosis 54k 6:17:40 h5
04.05 24h USA3rd Hotfoot Hamster 24 Hour Run 202.204 km1 🏆
06.04 Backyard Ultra USA1st April Fools's Backyard Ultra 46.604 km8
30.03 50km USA27th Crown King Scramble 50K 6:00:19 h27
2018
28.12 6d USA34th Across the Years, 6 days 709.588 km4
01.12 50km USA9th McDowell Mountain Frenzy 50 km 5:14:55 h13
17.11 50km USA9th Pass Mountain 50 km Race 5:17:57 h14
27.10 100mi USA16th Javelina Jundred 100 Mile Endurance Run 18:56:41 h15
13.10 50km USA9th Cave Creek Thriller 50K Race 5:35:46 h10
29.09 75km USA9th Javelina Jangover Night Run 75K 8:07:30 h5
21.09 24h USA2nd Goosebumps 24 Hour Run 128.747 km9
18.08 6h USA2nd Jackrabbit Jubilee 6 Hour Run 57.000 km4
07.07 5d USA9th Steep Camp 5 day Challenge 323.478 km4
09.06 54km USA4th Flagstaff Extreme Big Pine 54K Trail Run 6:40:24 h25
26.05 54km USA6th Insomniac Night Trail Run Series - Adrenaline 54k 5:01:59 h5
05.05 24h USA2nd Hotfoot Hamster 24 Hour Run 191.000 km1 🏆
29.04 130km USA6th Badwater Salton Sea 20:22:00 h20
14.04 88km USA3rd Whiskey Basin 88 km Trail Run 10:37:27 h13
24.03 50km USA26th Crown King Scramble 50K 7:52:11 h127
17.03 50mi USA9th Mesquite Canyon 50 Mile 10:24:15 h3 🥉
2017
30.12 48h USA33rd Across the Years, 48h 300.731 km2 🥈
02.12 50km USA8th McDowell Mountain Frenzy 50 km 5:06:38 h16
18.11 50km USA8th Pass Mountain 50 km Race 5:21:28 h9
28.10 100mi USA15th Javelina Jundred 100 Mile Endurance Run 19:41:49 h25
14.10 50km USA8th Cave Creek Thriller 50K Race 5:55:55 h11
02.09 6h USA1st Jackrabbit Jubilee 6 Hour Run 57.000 km3 🥉
18.02 100km USA4th Black Canyon Trail 100 km Run 18:14:06 h234
2016
28.12 24h USA32nd Across the Years, 24h 131.780 km25
03.12 50mi USA7th McDowell Mountain Frenzy 50 Mile 9:46:51 h8
29.10 100km USA14th Javelina Jundred 100 km Endurance Run 11:17:00 h10
01.10 50km USA5th Mount Taylor 50 km Race 6:54:28 h39
10.09 50km USA7th Javelina Jangover Night Run 50K 5:15:01 h6
30.04 54km USA4th Insomniac Night Trail Run Series - Sinister Night Runs 5:51:30 h2 🥈
2015
14.11 50km USA6th Pass Mountain 50 km Race 7:43:04 h32