George Hollerbach
Born : 1955 Cat. M70 Ultrarunner since 2004 USA
50
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
52,2%
Rank quotient ?This runner's calculation uses 90 eligible race(s): Σ(rank − 1) = 7 282; Σ finishers = 13 953. 7 282 / 13 953 × 100 = 52.19%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed90
Km — ultra races6 047 km
> 100 km6
> 160 km4
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road0,8%
Trail99,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M2
Longest winning streak0
Current streak0

HISTORY

90 race(s)
DateRacePerf.Rk
2019
19.01 50km USA8th PHUNT 50K Run 6:57:45 h45
2018
13.10 50km USA4th Water Gap 50 km Race 6:22:51 h92
15.09 50km USA3rd Boulder Field 100 - 50 km Ultra Run 6:39:49 h61
08.09 50mi USA1st Kilkenny Ridge 50mi Race 23:21:21 h28
04.08 50km USA4th Sheep Mountain 50 km Endurance Run 10:00:00 h26
28.07 55km USA18th Wakely Dam Ultra 8:16:14 h40
23.06 54mi USA6th Manitou's Revenge Ultramarathon 20:52:27 h95
16.06 40mi USA15th Highlands Sky 40M Trail Run 10:13:33 h92
12.05 50km USA3rd XTERRA Northeast Trail Run Series – Wawayanda State Park 50 km Race 7:20:00 h7
29.04 50km USA9th Ironmasters Challenge 50k Ultra 7:10:57 h58
21.04 50km USA7th Hyner View Trail Challenge 50 km 7:27:01 h168
07.04 50mi USA26th Bull Run Run 50 Miler 11:09:33 h125
24.03 50km USA30th The HAT Run 50K 6:15:40 h135
10.02 50km USA2nd Algonquin 50km Trail Race 5:53:48 h45
13.01 50km USA7th PHUNT 50K Run 6:23:15 h41
2017
09.12 50km USA8th Frozen Fools 50+K 8:13:00 h6
02.12 100km USA2nd Devil Dog Ultra 100 km Race 15:42:35 h30
18.11 50km USA7th Little Gunpowder 50K 6:07:49 h20
01.10 50km USA12th Blues Cruise 50K Ultra Trail 5:56:52 h140
16.09 50km USA1st The Baker's Revenge Trail Race - 50K Cruller Crawl 6:47:18 h18
09.09 50km USA8th KTA Trail Challenge 9:48:13 h91
12.08 50km USAThe Badlands 50 km 7:16:28 h5
15.07 50km USA4th On The Rocks Trail Run 7:14:26 h31
17.06 54mi USA5th Manitou's Revenge Ultramarathon 22:33:11 h82
06.05 100mi USA23rd Massanutten Mountain Trails 100 Mile 34:22:14 h123
08.04 50mi USA25th Bull Run Run 50 Miler 11:23:45 h181
18.03 50km USA29th The HAT Run 50K 6:52:15 h174
18.02 50km USA7th Febapple Frozen 50 km 5:48:01 h21
14.01 50km USA6th PHUNT 50K Run 6:28:25 h50
2016
10.12 100km USA14th Hellgate 100 km 17:54:04 h108
03.12 50km USA7th Frozen Fools 50+K 7:39:38 h8
07.10 100mi USA8th Grindstone 100 Mile 32:52:53 h111
24.09 50km USA8th Mountain Madness 50K 7:28:47 h14
30.07 50km USA2nd HARRC's Conococheague 50K Trails Ultra 8:21:00 h15
18.06 54mi USA4th Manitou's Revenge Ultramarathon 19:40:40 h61
21.05 100km USA2nd Worlds End Ultramarathon 100K 18:46:01 h85
09.04 50mi USA24th Bull Run Run 50 Miler 10:36:24 h104
19.03 40mi USA5th The Mt. Tammany 10 10:56:41 h15
27.02 50km USA8th Hashawha Hills 50 km Trail Run 5:41:24 h19
09.01 50km USA8th Watchung Winter 50 km Run 6:32:05 h15
2015
05.12 50km USA6th Frozen Fools 50+K 7:43:00 h3 🥉
07.11 50km USA3rd DWG Fatt Ass 6:54:00 h4
03.10 100mi USA2nd Cloudsplitter 100 - 100 Mile Run 35:30:18 h22
19.09 50km USA8th Virgil Crest 50 km Ultra 6:42:00 h10
04.07 50km USA27th Finger Lakes Fifties 50 km Run 6:32:57 h15
20.06 54mi USA3rd Manitou's Revenge Ultramarathon 18:19:38 h46
30.05 50km USA1st Quest for the Crest 50k 10:15:29 h62
11.04 50mi USA23rd Bull Run Run 50 Miler 12:34:44 h265
21.03 50km USA27th The HAT Run 50K 6:05:15 h86
14.03 68mi USA3rd Georgia Death Race 20:17:06 h124
21.02 50km USA5th Febapple Frozen 50 km 5:41:10 h16
03.01 50km USA4th PHUNT 50K Run 5:48:09 h26
2014
06.12 50km USA5th Frozen Fools 50+K 7:46:00 h7
01.11 50mi USA32nd Mountain Masochist 50 Mile Trail Run 10:54:08 h134
12.10 50km USA2nd Green Monster Trail Challenge 50K 6:56:22 h12
20.09 50km USA1st The Barkley Fall Classic 10:23:18 h48
23.08 31.5mi USA15th Tamalpa Headlands 50K 6:15:30 h73
26.07 50km USA19th Catoctin 50k Trail Run 7:36:47 h66
21.06 54mi USA2nd Manitou's Revenge Ultramarathon 22:34:50 h65
03.05 50km USA7th Endurance Challenge - New York Trail 50 km 6:42:49 h106
12.04 50mi USA22nd Bull Run Run 50 Miler 12:54:04 h271
22.03 40mi USA3rd The Mt. Tammany 10 11:08:11 h9
22.02 50km USA4th Febapple Frozen 50 km 6:26:57 h13
2013
22.06 34mi USA17th Rachel Carson Trail Challenge 10:49:58 h94
20.04 50km USA2nd Hyner View Trail Challenge 50 km 6:35:41 h35
23.03 50km USA25th The HAT Run 50K 5:53:51 h112
2012
05.05 50km USA3rd Ironmasters Challenge 50k Ultra 7:19:38 h10
14.04 50mi USA20th Bull Run Run 50 Miler 12:57:20 h301
24.03 50km USA24th The HAT Run 50K 5:54:57 h126
2011
10.12 100km USA9th Hellgate 100 km 17:09:22 h88
05.11 50mi USA29th Mountain Masochist 50 Mile Trail Run 11:58:42 h229
23.04 50km USA11th Promise Land 50K++ 7:12:46 h121
09.04 50mi USA19th Bull Run Run 50 Miler 9:56:30 h128
2010
06.11 50mi USA28th Mountain Masochist 50 Mile Trail Run 11:05:50 h133
03.10 50km USA5th Blues Cruise 50K Ultra Trail 5:58:19 h115
11.09 28.4mi USA1st KTA Trail Challenge 8:20:16 h147
10.04 50mi USA18th Bull Run Run 50 Miler 11:42:24 h262
20.03 50km USA22nd The HAT Run 50K 6:23:04 h127
2009
07.11 50mi USA27th Mountain Masochist 50 Mile Trail Run 11:32:00 h188
04.10 50km USA4th Blues Cruise 50K Ultra Trail 5:45:13 h60
20.06 40mi USA7th Highlands Sky 40M Trail Run 9:25:43 h57
18.04 50mi USA17th Bull Run Run 50 Miler 12:34:55 h249
31.03 50km USA21th The HAT Run 50K 5:43:49 h94
2008
14.06 70.5mi USA29th Laurel Highlands 70 Mile Ultra 19:04:37 h24
2007
14.04 50mi USA15th Bull Run Run 50 Miler 10:08:21 h155
24.03 50km USA19th The HAT Run 50K 5:50:02 h119
2006
13.05 100mi USA12th Massanutten Mountain Trails 100 Mile 34:43:55 h102
08.04 50mi USA14th Bull Run Run 50 Miler 9:50:48 h71
2005
09.04 50mi USA13th Bull Run Run 50 Miler 10:38:32 h121
2004
12.06 40mi USA2nd Highlands Sky 40M Trail Run 9:23:12 h36