Chris Boyack
ID 47414
Born : 1970 Cat. M55 Ultrarunner since 2007 USA
40
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
52
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
40,6%
Rank quotient ?This runner's calculation uses 40 eligible race(s): Σ(rank − 1) = 1 985; Σ finishers = 4 885. 1 985 / 4 885 × 100 = 40.63%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed40
Km — ultra races3 819 km
> 100 km12
> 160 km12
> 24h1
Longest race171,6 km
3rd 24 Hours of Palmer Lake Fun Run — 9/4/2016

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road4,5%
Trail95,5%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 34
🏅 Top 3 M4
Longest winning streak1
Current streak0

Records

50 km4h27'28100 km16h32'0450 mi9h17'17100 mi18h41'2312 h95,06 km24 h171,56 km

HISTORY

40 race(s)
DateRacePerf.Rk
2016
04.06 50km USA8th Golden Gate Dirty 30 7:22:21 h126
09.04 24h USA3rd 24 Hours of Palmer Lake Fun Run 171.556 km1 🏆
2015
27.09 50mi USA6th The Bear Chase 50 Mile 10:07:44 h14
31.07 12h USA2nd Chase the Moon 12 Hour Endurance Run 82.881 km9
30.05 50km USA7th Golden Gate Dirty 30 8:18:40 h266
25.04 50km USA5th Cheyenne Mountain Trail Race 5:39:36 h12
20.03 100mi USA10th Antelope Island Buffalo Run 100 Mile 22:21:00 h13
2014
28.09 50mi USA5th The Bear Chase 50 Mile 10:36:14 h25
16.08 100mi USA32nd Leadville Trail 100 Mile 28:40:36 h206
13.04 50km USA3rd Woodside Ramble 50K - Spring 5:12:50 h16
2013
17.08 100mi USA31st Leadville Trail 100 Mile 27:28:47 h215
01.06 50mi USA1st Run for Aurora 50 Mile 11:26:00 h6
04.05 50mi USA14th Collegiate Peaks 50 Miles 10:15:14 h39
2012
20.10 50km USA2nd Lake Perry Rocks 50K Trail Run 4:47:16 h6
18.08 100mi USA30th Leadville Trail 100 Mile 28:45:24 h226
22.04 50km USA1st Earth Day 50k 4:27:28 h8
23.03 100mi USA7th Antelope Island Buffalo Run 100 Mile 23:28:45 h13
11.02 50km USA8th Run Toto Run Psycho Wyco 50K 5:09:46 h15
2011
08.10 100mi USA1st Slickrock 100 Mile Run 18:41:23 h3 🥉
20.08 100mi USA29th Leadville Trail 100 Mile 28:23:16 h198
16.07 50mi USA2nd North Fork 50 Mile Trail Race 9:45:13 h7
17.06 100mi USA20th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 28:53:05 h40
07.05 50mi USA12th Collegiate Peaks 50 Miles 9:17:17 h33
23.04 50km USA1st Cheyenne Mountain Trail Race 6:10:23 h34
26.03 12h USA5th 24 Hours of Utah - 12 hour race 95.063 km1 🏆
2010
21.08 100mi USA28th Leadville Trail 100 Mile 27:52:07 h180
12.06 50mi USA1st Winona Lake 50 Mile Trail Run 9:20:38 h3 🥉
13.02 55km USA4th Moab Red Hot 55k 5:38:28 h28
2009
22.08 100mi USA27th Leadville Trail 100 Mile 24:44:37 h55
23.05 50km USA2nd Sage Burner Trail Run 5:30:37 h17
14.02 55km USA3rd Moab Red Hot 55k 5:19:13 h20
2008
26.07 50km USA1st Speedgoat 50k 7:19:19 h21
07.06 50km USA1st Sage Burner Trail Run 5:14:55 h8
17.05 50mi USA3rd Jemez Mountain 50mi Trail Run 12:04:54 h26
19.04 50mi USA5th Desert Rats Trail Running Festival 50 Miles 10:12:38 h11
09.02 50km USA4th Run Toto Run Psycho Wyco 50K 5:22:26 h8
2007
28.09 100mi USA9th The Bear 100 Mile Endurance Run 32:48:00 h52
05.08 100km USA6th Katcina Mosa 100K Mountain Run 16:32:04 h13
27.05 52.4mi USA30th Rocky Mountain Double Marathon 10:37:08 h11
21.04 50mi USA4th Desert Rats Trail Running Festival 50 Miles 11:38:20 h40