George Sefzik
ID 64743
Born : 1975 Cat. M50 Ultrarunner since 2006 USA
50
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
15,7%
Rank quotient ?This runner's calculation uses 68 eligible race(s): Σ(rank − 1) = 747; Σ finishers = 4 750. 747 / 4 750 × 100 = 15.73%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed68
Km — ultra races5 297 km
> 100 km14
> 160 km10
> 24h1
Longest race160,9 km
8th Badger Trail Races by Ten Junk Miles Racing — 1/8/2026

Km per year (ultra races)

100
2 races
2022
314
4 races
2023
261
3 races
2024
180
3 races
2025
261
3 races
2026

Race types (share of distance)

Road4,5%
Trail93,6%
Elim.1,9%

Wins & podiums (ultra)

🏆 Win4
🏆 Win M6
🏅 Top 324
🏅 Top 3 M25
Longest winning streak2
Current streak0

Records

50 km3h51'43100 km12h07'4350 mi5h01'47100 mi20h56'236 h59,55 kmBackyard15 loops

HISTORY

68 race(s)
DateRacePerf.Rk
2026
01.08 100mi USA8th Badger Trail Races by Ten Junk Miles Racing 29:19:28 h86
09.05 50km USA21st Jemez Mountain 50km Trail Run 7:32:50 h64
07.03 50km USA12th Sierra Vista Trail Runs 50 km Race 5:27:18 h5
2025
27.09 50km USA14th Mount Taylor 50 km Race 6:50:36 h36
10.05 50mi USA20th Jemez Mountain 50mi Trail Run 15:14:23 h31
26.04 50km USA14th Cedro Peak 50 km Ultramarathon 5:46:15 h26
2024
12.10 50km USA5th Cactus to Cloud Trail Run 9:55:12 h31
28.09 50km USA13th Mount Taylor 50 km Race 7:45:28 h48
19.04 34h USA1st Capitan Mountain 34 Hour 160.934 km13
2023
30.09 50km USA12th Mount Taylor 50 km Race 6:24:32 h26
08.05 50km USA10th Baldy Fat Ass Race 11:35:17 h2 🥈
26.03 100mi USA13th White Mountains 100 Mile Ultra Race 38:03:00 h10
25.02 53km USA1st La Jornada de las Quebradas 6:15:19 h6
2022
26.11 50km USA6th Bosque Bigfoot Race 5:08:57 h5
13.08 50km USA9th Baldy Fat Ass Race 12:14:02 h1 🏆
2021
31.12 80mi USA13th Tuscobia Winter 80 Mile Ultramarathon 28:10:00 h15
31.07 100mi USA3rd Badger Trail Races by Ten Junk Miles Racing 24:27:38 h19
22.05 50mi USA16th Jemez Mountain 50mi Trail Run 12:45:07 h12
13.02 100mi USA3rd Outlaw 100 Oklahoma - 100 Mile Run 32:53:29 h2 🥈
2020
29.02 100km USA2nd Sierra Vista Trail Runs 100 km Race 12:07:43 h7
2019
10.08 50km USA6th Baldy Fat Ass Race 8:17:53 h1 🏆
26.05 50km USA7th Holy Cowan's Gap 50k+ 5:47:00 h1 🏆
2018
04.11 50km USA9th Potomac Heritage Trail 5:18:00 h2 🥈
11.08 50km USA11th Martha Moats Baker Memorial 50k 6:42:00 h3 🥉
04.08 50km USA10th Dahlgren Heritage Rail Trail 50K 3:51:43 h2 🥈
28.07 50km USA7th Catherine's 50k Run 5:14:00 h4
12.05 50km USA8th Ultra Race of Champions (UROC) 50K 5:46:14 h3 🥉
31.03 6h USARise, Run, Shine 6 hour race 59.545 km2 🥈
24.02 71mi USA13th The Reverse Ring 71-mile Run 17:15:00 h4
2017
30.12 40mi USA5th Boyer's Furnace 40 Mile Race 7:56:00 h3 🥉
02.09 71.1mi USA15th The Ring 71-mile Run 16:06:00 h3 🥉
24.06 100km USA11th Mason-Dixon Trail Longest Day 100K Challenge 13:25:00 h2 🥈
10.06 50mi USA6th OSS/CIA 50 Mile Night Run 9:18:42 h2 🥈
20.04 100km USA6th Double Top 100 km 14:17:00 h2 🥈
25.03 33mi USA18th Oak Mountain 50km Race 4:54:25 h2 🥈
07.01 50mi USA3rd Cloudland Canyon 50 Mile Race 5:01:47 h9
2016
03.12 36mi USA3rd Battle for Black Rock 36 mile 6:36:13 h2 🥈
05.11 100mi USA9th Pinhoti 100 Mile 21:50:58 h10
15.10 Backyard Ultra USA1st The Cannonball - Variable Hour Run 100.590 km (15h)1 🏆
21.05 50km USA11th Jemez Mountain 50km Trail Run 6:29:08 h15
07.05 50km USA2nd Cactus to Cloud Trail Run 5:59:23 h3 🥉
23.04 45km USA5th Cedro Peak 45 km Ultramarathon 5:48:21 h32
2015
23.05 50mi USA10th Jemez Mountain 50mi Trail Run 11:12:17 h24
02.05 50km USA1st Cactus to Cloud Trail Run 6:49:12 h8
11.04 45mi USA4th Cedro Peak 45 Mile Ultramarathon 7:59:08 h6
07.03 50km USA2nd Sierra Vista Trail Runs 50 km Race 4:28:32 h3 🥉
2014
11.10 100mi USA15th Heartland 100 Mile Race 21:06:26 h7
27.09 50km USA3rd Mount Taylor 50 km Race 6:01:53 h20
26.07 50km USA1st Baldy Fat Ass Race 9:35:00 h5
12.04 45km USA3rd Cedro Peak 45 km Ultramarathon 4:57:00 h13
08.03 50km USA1st Sierra Vista Trail Runs 50 km Race 5:22:40 h5
2013
01.09 50km USA1st Yeti Snakebite 50 km 6:17:52 h6
01.06 50km USA1st Rockin Choccolocco 50K 5:10:28 h2 🥈
11.05 50km USA10th Dances with Dirt - Gnaw Bone 50 km Ultra 5:11:36 h4
17.02 50mi USA3rd Destin 50 Mile Beach Ultra 8:00:00 h4
2012
02.12 40mi USA23rd Pine Mountain 40 Miles 7:42:43 h15
03.11 100mi USA5th Pinhoti 100 Mile 23:10:39 h18
22.09 50mi USA2nd The Georgia Jewel 50 Mile Run 10:35:13 h2 🥈
2011
04.12 40mi USA22nd Pine Mountain 40 Miles 8:02:07 h22
2010
06.11 100mi USA3rd Pinhoti 100 Mile 20:56:23 h4
02.10 50km USA9th Rock/Creek StumpJump 50K 5:03:20 h12
07.08 8h USA9th Hot to Trot 8 Hours Run 76.025 km3 🥉
2009
19.12 50mi USA2nd Lookout Mountain 50 Mile Race 8:14:00 h10
21.11 50km USA6th Dizzy Fifties - 50 km Trail Run 4:30:37 h5
21.02 50km USA4th Black Warrior 50K 4:13:02 h3 🥉
2008
08.11 100mi USA1st Pinhoti 100 Mile 23:25:00 h7
17.05 50mi USA3rd Jemez Mountain 50mi Trail Run 10:11:14 h8
2006
18.02 50km USA1st Black Warrior 50K 6:39:03 h46