Zach Bitter
Born : 1986 Cat. M40 Ultrarunner since 2010 USA
54
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
75
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
6
Countries visited ?CHNChinaESPSpainNZLNew ZealandQATQatarRSASouth AfricaUSAUnited States
1,2%
Rank quotient ?This runner's calculation uses 71 eligible race(s): Σ(rank − 1) = 313; Σ finishers = 25 782. 313 / 25 782 × 100 = 1.21%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed71
Km — ultra races7 510 km
> 100 km25
> 160 km21
> 200 km1
> 24h14
Longest race201,2 km

Km per year (ultra races)

440
4 races
2022
473
5 races
2023
496
5 races
2024
238
2 races
2025
2026

Race types (share of distance)

Road45,7%
Trail45,6%
?8,7%

Wins & podiums (ultra)

🏆 Win34
🏆 Win M34
🏅 Top 343
🏅 Top 3 M45
Longest winning streak3
Current streak0

HISTORY

76 race(s) · 13 split(s) nested
DateRacePerf.Rk
2025
20.12 24h USA16th Desert Solstice 24 Hour Run 75.999 km12
25.10 12h USA19th The Equalizer 12 Hour Endurance Run 162.254 km1 🏆
2024
09.11 24h USA7th The Stinger 24 Hour Race 122.326 km13
15.06 24h USA7th Six Days in the Dome - The Redux 24h 162.304 km25
06.04 50km USA11th Brazos Bend 50 - 50 km 3:19:19 h1 🏆
09.03 50mi USA9th J&J Race and Trail Running Reunion 50 Mile Race 8:53:31 h1 🏆
10.02 50mi USA32nd Rocky 50 Mile Trail Run 6:59:21 h1 🏆
2023
16.12 24h USA14th Desert Solstice 24 Hour Run 52.799 km7
28.10 159.2km USA21st Javelina Jundred 100 Mile Endurance Run 13:34:14 h5
12.08 50km USA9th Habanero Hundred 50 km 4:24:50 h1 🏆
01.04 50km USA24th Hells Hills 50km Race 4:18:42 h1 🏆
04.02 100mi USA31st Rocky Raccoon 100 Mile Trail Run 14:57:04 h3 🥉
2022
03.12 100mi USA9th Brazos Bend 100 13:57:55 h1 🏆
18.06 24h USA5th Six Days in the Dome - The Redux 24h 160.974 km15
09.04 50km USA9th Brazos Bend 50 - 50 km 3:19:10 h1 🏆
11.03 42mi USA7th J&J Race and Trail Running Reunion 42 Mile Race 7:34:19 h1 🏆
2021
13.11 100mi USA8th Tunnel Hill 100 Mile Race 12:47:49 h2 🥈
23.04 100mi USA8th Jackpot Ultra Running Festival 100 Mile Race - US Championship 12:52:13 h1 🏆
2020
12.12 24h USA11th Desert Solstice Track Invitational 186.506 km11
08.02 102km NZL12th Tarawera 100 km Ultramarathon 10:46:54 h21
2019
14.12 24h USA10th Desert Solstice 24 Hour Run 100.000 km17
23.11 50mi USA57th JFK 50 Mile 5:42:07 h2 🥈
24.08 12h USA2nd Six Days in the Dome - The Redux 24h Day 2 - 12h Split 168.792 km1 🏆
24.08 50km USA2nd Six Days in the Dome - The Redux 24h Day 2 - 50km Split 3:29:33 h1 🏆
24.08 50mi USA2nd Six Days in the Dome - The Redux 24h Day 2 - 50mi Split 5:40:38 h1 🏆
24.08 100km USA2nd Six Days in the Dome - The Redux 24h Day 2 - 100km Split 7:03:25 h1 🏆
24.08 100mi USA2nd Six Days in the Dome - The Redux 24h Day 2 - 100mi Split 11:19:13 h1 🏆
24.08 24h USA2nd Six Days in the Dome - The Redux 24h Day 2 168.792 km5
07.06 100mi USA18th San Diego 100 Mile Endurance Run 16:49:13 h1 🏆
13.04 88km USA4th Whiskey Basin 88 km Trail Run 8:06:13 h1 🏆
15.03 12h USA5th RUN4Kids 12 Hour Race 153.692 km1 🏆
2018
08.12 24h USA9th Desert Solstice 24 Hour Run 186.799 km13
10.11 100mi USA5th Tunnel Hill 100 Mile Race 12:08:36 h1 🏆
23.06 100mi USA45th Western States 100 Mile Endurance Run 17:26:40 h11
14.04 88km USA3rd Whiskey Basin 88 km Trail Run 7:47:22 h1 🏆
24.03 50km USA26th Crown King Scramble 50K 4:10:03 h1 🏆
17.03 50km USA9th Mesquite Canyon 50 km 4:19:31 h1 🏆
2017
09.12 24h USA8th Desert Solstice 24 Hour Run 98.000 km18
28.10 100mi USA15th Javelina Jundred 100 Mile Endurance Run 13:52:53 h2 🥈
01.04 50mi USA38th American River 50 Mile Endurance Run 6:16:39 h2 🥈
2016
27.11 100km ESP100km Los Alcazares, combined IAU & WMA & open race 6:52:50 h20
27.11 100km ESP100km Los Alcazares, IAU 100 km WC 6:52:50 h20
29.10 100mi USA14th Javelina Jundred 100 Mile Endurance Run 13:30:28 h1 🏆
15.10 50km USA3rd Overlook Endurance Run 50K 3:41:55 h2 🥈
25.09 100km CHNGobi 100k Int. Race 9:10:26 h6
29.05 89km RSA91st Comrades Marathon - Down Run 6:05:52 h32
23.04 50km USA1st Mendocino Coast 50K Ultra Trail Run 3:55:36 h1 🏆
09.04 50mi USA8th Lake Sonoma 50 Mile Race 7:09:08 h10
2015
19.12 24h USA6th Desert Solstice 24 Hour Run 160.800 km8
24.10 50mi USA10th The Door County Fall 50 5:17:25 h1 🏆
30.05 50km USA1st Apple Creek 50k 3:56:18 h1 🏆
09.05 50mi USA34th Ice Age Trail 50 Mile Run 6:17:22 h1 🏆
2014
21.11 100km QATIAU 100km World Championship - open race 6:48:53 h6
21.11 100km QAT27th IAU 100km World Championship 6:48:53 h6
04.08 24h USA1st 24 Hours in the Dome 161.304 km5
12.07 50km USA8th Psycho Psummer Run Toto Run 50K 3:52:25 h1 🏆
10.05 50mi USA33rd Ice Age Trail 50 Mile Run 6:19:52 h6
12.04 100km USA8th Mad City 100K Road Race 6:44:04 h1 🏆
15.03 24h USASouth Carolina 24-Hour Race 201.198 km4
2013
14.12 100mi USA4th Desert Solstice 100 Mile Run 11:47:21 h1 🏆
14.12 24h USA4th Desert Solstice 24 Hour Run 163.785 km6
02.11 50mi USA14th Chicago Lakefront Fall 50 Mile Race 5:12:36 h1 🏆
20.10 50mi USA14th Tussey Mountainback 50 Miler 5:32:22 h2 🥈
01.06 100km USA18th Kettle Moraine 100 km Endurance Run 8:39:10 h1 🏆
11.05 50mi USA32nd Ice Age Trail 50 Mile Run 6:08:14 h3 🥉
2012
17.11 50mi USA50th JFK 50 Mile 6:05:07 h7
21.10 50mi USA13th Tussey Mountainback 50 Miler - US Championship 5:35:51 h1 🏆
21.10 50mi USA13th Tussey Mountainback 50 Miler - Open race 5:35:51 h1 🏆
23.06 100mi USA39th Western States 100 Mile Endurance Run 16:53:28 h15
12.05 50mi USA31st Ice Age Trail 50 Mile Run 6:05:45 h1 🏆
31.03 50km USA6th Mad City 50K Road Race 3:03:11 h1 🏆
04.02 50km USA24th John Dick Memorial Crusty 50K 3:33:36 h1 🏆
2011
19.11 50mi USA49th JFK 50 Mile 6:11:59 h6
22.10 50mi USA6th The Door County Fall 50 5:26:52 h1 🏆
17.09 50mi USA4th Endurance Challenge - Wisconsin Trail 50 Miles 6:08:55 h2 🥈
2010
18.09 50mi USA3rd Endurance Challenge - Wisconsin Trail 50 Miles 6:02:37 h1 🏆