Mark Braun
Born : 1972 Cat. M50 Ultrarunner since 2016 USA
26
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
38
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
56,5%
Rank quotient ?This runner's calculation uses 26 eligible race(s): Σ(rank − 1) = 2 326; Σ finishers = 4 119. 2 326 / 4 119 × 100 = 56.47%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed26
Km — ultra races1 831 km
> 100 km4
> 160 km1
> 24h2
> 48h1
Longest race160,9 km

Km per year (ultra races)

107
2 races
2022
50
1 race
2023
425
5 races
2024
431
5 races
2025
101
1 race
2026

Race types (share of distance)

Trail88,6%
Elim.11,4%

HISTORY

26 race(s)
DateRacePerf.Rk
2026
25.04 Backyard Ultra USA5th Banana Slug Backyard 24 100.590 km (15h)14
2025
25.10 159.2km USA23rd Javelina Jundred 100 Mile Endurance Run 26:40:02 h302
03.05 50km USA30th McDonald Forest 50K Trail Run 7:25:39 h122
25.04 Backyard Ultra USA4th Banana Slug Backyard Ultra 107.296 km (16h)30
13.04 40mi USA22nd Peterson Ridge Rumble 40 Mile Trail Run 8:06:08 h34
15.03 50km USA31st Chuckanut 50K 6:58:21 h434
2024
21.09 100mi USA12th Mountain Lakes 100 27:58:18 h55
03.08 100km USA23rd Waldo 100K Trail Run 15:46:03 h52
04.05 50km USA29th McDonald Forest 50K Trail Run 7:08:00 h108
14.04 40mi USA21st Peterson Ridge Rumble 40 Mile Trail Run 7:57:07 h41
27.01 50km USA18th Orcas Island 50k 8:03:08 h81
2023
10.06 50km USA36th McKenzie River 50 km Trail Run 6:02:27 h80
2022
18.06 12h USA9th Elijah Bristow 12 Hour Run 57.453 km15
07.05 50km USA27th McDonald Forest 50K Trail Run 8:18:15 h131
2020
01.02 50km USA15th Orcas Island 50k 7:58:34 h98
2019
17.08 100km USA18th Waldo 100K Trail Run 17:05:19 h96
04.05 50km USA24th McDonald Forest 50K Trail Run 6:50:27 h80
2018
15.09 50mi USA1st Old Cascadia 50 Mile Race 14:34:17 h37
04.08 50km USA7th Volcanic 50 9:10:52 h107
16.06 50mi USA1st Wy’east Wonder 50 Mile Trail Race 10:58:39 h71
12.05 50km USA23rd McDonald Forest 50K Trail Run 6:41:36 h76
08.04 35mi USA16th Peterson Ridge Rumble 35 Mile Trail Run 6:33:36 h64
03.02 50km USA13th Orcas Island 50k 7:18:58 h87
2017
28.10 50km USA30th McKenzie River 50 km Trail Run 5:39:26 h45
17.06 50km USA4th Mary's Peak 50k Ultra Trail Race 6:38:46 h26
2016
10.09 50km USA29th McKenzie River 50 km Trail Run 5:34:09 h66