Palos Hills, IL | Saturday, May 8, 2027Registration Open
Explore the Cap Sauers Holding Nature Preserve - the largest tract of undeveloped land in Cook County, IL. This race will cover every inch of maintained trail within the Nature Preserve. With over 1000 ft of elevation, this marathon is mountainous by Chicago standards! The course uses the Sag Valley Trail system, covering the Yellow, Green, Blue & Tan trails. The whole course is wide horsetrail, allowing for 2-way traffic and encouragement from fellow participants. Results here: https://sites.chronotrack.com/event/92163/results 2026 Photos here: https://www.flashframe.io/search/2861/ 2025 Photos here: https://www.highfivebb.com/Running/F3-Cap-Sauers-Trail-Marathon-10-Mile-May-10-2025
Available Distances
Awards & Prizes
Participant Giveaway
26.2 Miles: Giveaway options
10 Miles: Giveaway Options
Registration & Pricing
Distance
Price
Opens
Closes
26.2 Miles
$65.00
Jun 1
Jun 4
$75.00
Jun 4
Jul 2
$85.00
Jul 2
Aug 31
$95.00
Aug 31
Nov 9
$105.00
Nov 9
Dec 30
$115.00
Dec 30
Feb 16
$130.00
Feb 16
May 8
Interested in this race?
10 Miles
$60.00
Jun 1
Jun 4
$65.00
Jun 4
Jul 2
$70.00
Jul 2
Aug 31
$75.00
Aug 31
Nov 9
$80.00
Nov 9
Dec 30
$85.00
Dec 30
Feb 16
$95.00
Feb 16
May 8
PACKET PICK-UP
PACKET PICK-UP is on race day only. It opens at 6:30 am. Everyone has a pre-assigned bib+packet. Find your packet, head to the trail & visualize yourself having a fantastic run!