Brian Pfister
ID 91746
Born : 1972 Cat. M50 Ultrarunner since 2005 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
51
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
2
Countries visited ?CANCanadaUSAUnited States
36,0%
Rank quotient ?This runner's calculation uses 57 eligible race(s): Σ(rank − 1) = 3 285; Σ finishers = 9 128. 3 285 / 9 128 × 100 = 35.99%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed57
Km — ultra races4 623 km
> 100 km13
> 160 km9
Longest race193,1 km
10th Fat Dog 120 Mile Trail Race — 9/8/2019

Km per year (ultra races)

2022
251
5 races
2023
192
3 races
2024
50
1 race
2025
80
1 race
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 33
🏅 Top 3 M4
Longest winning streak1
Current streak0

Records

50 km4h46'11100 km12h51'2550 mi7h57'48100 mi24h08'09

HISTORY

57 race(s)
DateRacePerf.Rk
2026
11.07 50mi USA19th Leadville Silver Rush 50 Mile Run 10:46:02 h219
2025
08.11 50km USA8th Miner 49er 5:48:19 h8
2024
02.11 50km USA7th Miner 49er 6:00:16 h8
06.07 80.5km USA17th Leadville Silver Rush 50 Mile Run 12:08:39 h318
08.06 38mi USA29th Kettle Moraine 38 Mile Night Run 8:07:23 h7
2023
04.11 50km USA6th Miner 49er 5:24:03 h4
16.09 53km USA9th Rockin Rockwoods Trail Race 6:55:00 h9
13.05 50km USA42th Ice Age Trail 50 km Run 5:43:12 h50
25.03 30mi USA17th Clinton Lake Ultra 5:49:37 h8
14.01 50km USA11th Frozen Gnome 50K 6:04:57 h20
2021
11.09 50mi USA40th Ice Age Trail 50 Mile Run 11:02:52 h59
2019
09.08 120mi CAN10th Fat Dog 120 Mile Trail Race 43:10:21 h53
06.07 50mi USA12th Leadville Silver Rush 50 Mile Run 10:46:02 h217
11.05 50mi USA38th Ice Age Trail 50 Mile Run 9:56:49 h132
19.01 64mi USA8th Frozen Otter 64 Mile Ultra Trek 17:25:00 h6
2018
24.11 28mi USA34th Quad Dipsea Trail Run 6:40:30 h109
09.09 50km USA15th Rock Cut Hobo 50K 5:11:00 h5
08.07 50mi USA11th Leadville Silver Rush 50 Mile Run 12:07:11 h226
02.06 100mi USA23rd Kettle Moraine 100 Mile Endurance Run 24:38:39 h60
12.05 50mi USA37th Ice Age Trail 50 Mile Run 9:41:47 h89
24.03 50km USA6th Paleozoic Trail Runs - Silurian Spring 50K 5:44:43 h23
2017
09.07 50mi USA10th Leadville Silver Rush 50 Mile Run 11:28:29 h125
24.06 100mi USA44th Western States 100 Mile Endurance Run 29:24:15 h213
03.06 100mi USA22nd Kettle Moraine 100 Mile Endurance Run 25:02:19 h31
13.05 50mi USA36th Ice Age Trail 50 Mile Run 9:25:03 h47
15.04 50mi USA9th Lake Sonoma 50 Mile Race 9:35:12 h73
2016
26.11 28mi USA32nd Quad Dipsea Trail Run 5:44:51 h40
11.09 50km USA13th Rock Cut Hobo 50K 4:54:48 h7
04.06 100mi USA21st Kettle Moraine 100 Mile Endurance Run 24:08:09 h36
07.05 100km USA21st Miwok 100k Trail Race 12:51:25 h106
2015
28.11 28mi USA31st Quad Dipsea Trail Run 5:49:23 h65
13.09 50km USA12th Rock Cut Hobo 50K 4:56:05 h10
12.07 50mi USA8th Leadville Silver Rush 50 Mile Run 11:03:20 h165
06.06 100mi USA20th Kettle Moraine 100 Mile Endurance Run 26:14:08 h71
18.04 50km USA4th Earth Day 50k 5:25:41 h15
17.01 64mi USA4th Frozen Otter 64 Mile Ultra Trek 15:03:00 h3 🥉
2014
29.11 28mi USA30th Quad Dipsea Trail Run 5:57:49 h60
18.10 50mi USA5th Des Plaines River 50 Miles Trail Race 7:57:48 h8
07.06 100mi USA19th Kettle Moraine 100 Mile Endurance Run 26:33:13 h51
03.05 50km USA2nd Armstrong Redwoods 50K Trail Run 6:47:32 h17
22.03 50km USA2nd Paleozoic Trail Runs - Carboniferous Spring 50K 4:59:21 h7
2013
17.08 100mi USA31st Leadville Trail 100 Mile 28:34:53 h311
19.01 64mi USA2nd Frozen Otter 64 Mile Ultra Trek 16:21:00 h1 🏆
2012
20.10 50mi USA3rd Des Plaines River 50 Miles Trail Race 8:38:12 h21
14.09 50km USA9th Rock Cut Hobo 50K 5:00:06 h7
02.06 100mi USA17th Kettle Moraine 100 Mile Endurance Run 24:47:01 h43
21.01 64mi USA1st Frozen Otter 64 Mile Ultra Trek 19:53:00 h1 🏆
2011
18.09 50km USA8th Rock Cut Hobo 50K 4:53:19 h10
05.02 50km USA23rd John Dick Memorial Crusty 50K 7:07:15 h9
2010
19.09 50km USA7th Rock Cut Hobo 50K 4:57:38 h27
06.02 50km USA22nd John Dick Memorial Crusty 50K 5:05:52 h11
2009
24.10 50mi USA2nd Endurance Challenge - Wisconsin Trail 50 Miles 8:25:52 h22
20.09 50km USA6th Rock Cut Hobo 50K 4:46:11 h17
2007
23.09 50km USA4th Rock Cut Hobo 50K 4:58:37 h15
2006
29.07 31mi USA4th Jay Mountain Marathon 6:45:10 h51
15.04 50mi USA6th McNaughton 50 Mile Ultra Race 10:33:42 h8
2005
16.04 50mi USA5th McNaughton 50 Mile Ultra Race 9:06:03 h8