Zach Adams
ID 191789
Born : 1977 Cat. M45 Ultrarunner since 2010 USA
45
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
1
Countries visited ?USAUnited States
46,4%
Rank quotient ?This runner's calculation uses 45 eligible race(s): Σ(rank − 1) = 1 485; Σ finishers = 3 200. 1 485 / 3 200 × 100 = 46.41%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed45
Km — ultra races3 276 km
> 100 km9
> 160 km5
Longest race160,9 km
4th Prairie Spirit 100 Mile Trail Ultra Race — 2/4/2016

Km per year (ultra races)

50
1 race
2022
2023
2024
50
1 race
2025
2026

Race types (share of distance)

Road12,3%
Trail87,7%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M1
🏅 Top 33
🏅 Top 3 M3
Longest winning streak0
Current streak0

Records

50 km4h52'40100 km13h27'3750 mi8h40'53100 mi21h50'306 h51,50 km12 h85,12 km

HISTORY

45 race(s)
DateRacePerf.Rk
2025
27.09 50km USA32nd Flatrock 50K 8:59:56 h25
2022
04.06 50km USA17th War Eagle 50K 7:40:24 h60
2021
18.12 50km USA2nd Last Chance 50 km Ultra Race 6:21:05 h14
24.04 50km USA27th Flatrock 50K 9:12:54 h22
2019
28.09 50km USA25th Flatrock 50K 8:41:37 h76
02.02 50km USA25th White Rock Classic 50K 4:52:40 h5
2018
29.09 50km USA24th Flatrock 50K 6:55:59 h25
28.04 101km USA6th FlatRock 101K Ultra Trail Race 16:31:27 h8
2017
12.11 50km USA10th Dogwood Canyon Trail Run 6:12:53 h31
30.09 50km USA23rd Flatrock 50K 6:02:52 h12
22.07 50km USA11th Psycho Psummer Run Toto Run 50K 6:07:55 h11
04.02 50km USA23rd White Rock Classic 50K 5:49:00 h19
21.01 50km USA1st David's Trail Endurance Run 7:03:23 h12
2016
24.09 50km USA22nd Flatrock 50K 8:50:56 h38
10.07 50mi USA9th Leadville Silver Rush 50 Mile Run 13:34:49 h342
02.04 100mi USA4th Prairie Spirit 100 Mile Trail Ultra Race 27:44:53 h30
20.02 50km USA12th Run Toto Run Psycho Wyco 50K 5:35:34 h23
06.02 50km USA22nd White Rock Classic 50K 5:01:41 h8
2015
17.10 100km USA5th Taturs Pumpkin Holler 100 km Race 13:50:03 h9
26.09 50km USA21st Flatrock 50K 7:43:49 h50
22.08 100mi USA33rd Leadville Trail 100 Mile 29:31:19 h281
06.06 50km USA10th War Eagle 50K 4:56:28 h10
25.04 101km USA3rd FlatRock 101K Ultra Trail Race 14:44:26 h7
28.03 50mi USA3rd Prairie Spirit 50 Mile Trail Ultra Race 8:40:53 h16
21.03 6h USA8th Taturs Six Hour Snake Run 51.499 km11
07.02 50km USA21st White Rock Classic 50K 5:27:49 h11
2014
19.10 50km USA7th Dogwood Canyon Trail Run 6:54:26 h36
27.09 50km USA20th Flatrock 50K 5:52:28 h5
12.07 100mi USA1st Honey Badger 100 Mile Ultra Road Race 27:16:39 h6
26.04 101km USA2nd FlatRock 101K Ultra Trail Race 17:16:44 h6
19.04 40mi USA8th Vasque Free State Trail 40 Miles Run 10:10:53 h20
29.03 100mi USA2nd Prairie Spirit 100 Mile Trail Ultra Race 23:39:12 h24
2013
16.11 12h USA7th KUS 12 Hour Ultramarathon 85.118 km3 🥉
19.10 100mi USA3rd Taturs Pumpkin Holler 100 Mile Race 21:50:30 h2 🥈
28.09 50km USA19th Flatrock 50K 6:03:27 h6
11.09 9:11h USA12th Patriot's Ultra Run 72.420 km2 🥈
13.07 50km USA7th Psycho Psummer Run Toto Run 50K 6:47:32 h40
01.06 50km USA8th War Eagle 50K 5:38:28 h19
27.04 101km USA1st FlatRock 101K Ultra Trail Race 20:42:56 h28
2012
29.09 50km USA18th Flatrock 50K 7:30:58 h51
02.06 50km USA7th War Eagle 50K 5:58:37 h20
2011
24.09 50km USA17th Flatrock 50K 6:22:35 h19
04.06 50km USA6th War Eagle 50K 6:17:48 h19
23.04 100km USA5th Vasque Free State Trail 100 km Run 13:27:37 h18
2010
03.07 51.5mi USA1st Midnight Madness 50 Miler Road Race 10:55:23 h50