Marc Henn
ID 670970
Born : 1975 Cat. M50 Ultrarunner since 2015 USA
47
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
56,2%
Rank quotient ?This runner's calculation uses 47 eligible race(s): Σ(rank − 1) = 2 490; Σ finishers = 4 430. 2 490 / 4 430 × 100 = 56.21%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed47
Km — ultra races4 440 km
> 100 km13
> 160 km11
> 24h6
> 48h4
Longest race189,9 km
5th Jackalope Jam 48 Hour Race — 22/2/2019

Km per year (ultra races)

361
4 races
2022
261
3 races
2023
406
4 races
2024
180
2 races
2025
2026

Race types (share of distance)

Road9,2%
Trail90,8%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak0

Records

50 km5h24'06100 km14h26'0750 mi11h55'19100 mi27h05'2812 h83,69 km24 h115,87 km48 h189,90 km

HISTORY

47 race(s)
DateRacePerf.Rk
2025
08.11 50mi USA12th Tunnel Hill 50 Mile Race 12:21:58 h202
21.09 100km USA5th Paris Pair 100km 17:13:08 h24
2024
23.11 100km USA10th Dinosaur Valley Endurance Run 100 km 17:56:26 h67
19.04 34h USA1st Capitan Mountain 34 Hour 64.373 km129
03.02 100mi USA32th Rocky Raccoon 100 Mile Trail Run 28:46:24 h142
14.01 50mi USA15th Big Bend 50 - Borderland 50M 11:55:19 h27
2023
23.09 50km USA1st North Texas Ultra 7:54:38 h12
22.04 50km USA8th WRC Hachie 50 km Ultra 5:24:06 h6
04.02 100mi USA31st Rocky Raccoon 100 Mile Trail Run 27:05:28 h141
2022
19.11 50km USA8th Dinosaur Valley Endurance Run 50 km 7:10:07 h28
01.10 100mi USA32nd Arkansas Traveller 100 29:19:53 h74
03.09 50km USA4th Six-O 50km Trail Run 7:36:09 h30
19.03 100km USA8th The Pistol 100 km Ultra Run 17:22:04 h40
2021
30.12 55h USA9th Snowdrop Ultra 55 Hour Race 162.232 km32
15.05 50mi USA1st Flower Moon 50 Mile Race 15:02:36 h47
23.01 108km USA4th Running the Rose 108k 17:47:58 h25
09.01 50km USA21st Bandera 50 km Endurance Run 7:04:54 h54
2020
12.12 50km USA2nd Mosaic 50km Trail Run 6:46:05 h23
07.11 100km USAJalapeno Hundred 100 km Race 16:54:42 h14
07.03 100km USA8th Crazy Desert Trail Race 100 km Race 14:26:07 h20
22.02 24h USA6th Jackalope Jam 24 Hour Race 115.872 km9
01.02 100mi USA28th Rocky Raccoon 100 Mile Trail Run 27:28:34 h163
2019
26.10 100km USA1st El Taco Loco 100 km 16:43:22 h58
15.09 50km USA2nd Colorado Crossing 50km 5:47:32 h11
17.08 100km USA5th Habanero Hundred 100 km 18:38:28 h17
07.07 50mi USA2nd Last Call 50 Miler 16:30:00 h44
22.02 48h USA5th Jackalope Jam 48 Hour Race 189.902 km5
06.01 100km USA19th Bandera 100 km Endurance Run 16:49:23 h183
2018
10.11 50km USA4th Franklin Mountains Trail Run 10:00:53 h100
06.10 100mi USA28th Arkansas Traveller 100 29:52:56 h81
01.09 50km USA1st Alamo City Ultra 8:16:32 h38
08.07 50mi USA1st Last Call 50 Miler 16:20:00 h39
23.02 48h USA4th Jackalope Jam 48 Hour Race 181.855 km1 🏆
27.01 54km USA1st Running The Rose 54K 7:25:30 h27
2017
09.12 100mi USA4th Brazos Bend 100 - 100 Mile 29:10:04 h83
14.10 50mi USA1st Orion Ultra 50 Mile Race 12:15:42 h3 🥉
09.09 50K USA1st Mission Tejas Trail Run 6:46:14 h23
21.04 48h USA3rd Jackalope Jam 48 Hour Race 170.590 km7
11.03 100km USA5th Crazy Desert Trail Race 100 km Race 15:40:44 h20
2016
12.11 12h USA2nd Jackalope Jam 12 Hour Race 83.685 km8
10.09 50km USA2nd Franklin Mountains Trail Run 10:28:05 h76
20.08 50km USA2nd Habanero Hundred 50 km 7:12:00 h18
16.04 50km USA3rd Brazos Bend 50 - 50 km 6:06:31 h75
2015
14.11 50km USA1st Franklin Mountains Trail Run 9:22:29 h78
03.10 50km USA1st Blazing 7's 50 km Trail Race 6:00:36 h16
25.04 50km USA2nd Brazos Bend 50 - 50 km 6:19:04 h37
Unknown date
— 100mi USA34th Rocky Raccoon 100 Mile Trail Run 28:34:38 h180