F^3 Cap Sauers Trail Marathon & 10 Mile
- Date Sat 9th May 2026
- Time 7:30AM CDT
- Location Palos Hills, Illinois
- Price $64.85 - $70.15
- Races 2 races
- Distances 10 Mile
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Event summary
Get ready for an exhilarating outdoor adventure at the F^3 Cap Sauers Trail Marathon & 10 Mile, taking place on Saturday, May 9, 2026, in the stunning Palos Hills, Cook County, IL. This exciting event invites runners of all levels to explore the breathtaking Cap Sauers Holding Nature Preserve, the largest expanse of undeveloped land in Cook County. Participants will tackle every inch of the well-maintained trails, including the scenic Sag Valley Trail system, featuring the Yellow, Green, Blue, and Tan trails. With over 1,000 feet of elevation gain, this marathon offers a challenging yet rewarding experience, showcasing the beauty of the area's natural landscape. The wide horsetrail design allows for smooth two-way traffic, creating an encouraging atmosphere as runners cheer each other on. Whether you’re aiming for the marathon or the 10-mile distance, this event promises to be a memorable celebration of fitness and nature!
Organiser's Description
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://www.athlinks.com/event/353493/results/Event/1082897/Results
Photos here: https://www.highfivebb.com/Running/F3-Cap-Sauers-Trail-Marathon-10-Mile-May-10-2025
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://www.athlinks.com/event/353493/results/Event/1082897/Results
Photos here: https://www.highfivebb.com/Running/F3-Cap-Sauers-Trail-Marathon-10-Mile-May-10-2025
Races
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Trail Marathon
Incl. $5.15 Fee & Giveaway Options
Sat 9th May 2026 (7:30AM CDT)
$70.15
The Marathon course will be run on the Sag Valley Trail. The entire course is wide horsetrail, with little to no technical trail running required. There will often be 2-way traffic, so you should always feel the encouragement of your fellow runners. The Marathon course is three parts: 2 circuits of the 10 mile course, and a final 10k out-and-back to the WEST aid station & back. https://www.mapmyrun.com/routes/view/4192999816 This is a 26.2 mile marathon, not a 27 mile "marathon". The challenging part is the hills with 1050 ft of elevation, this Marathon is mountainous by Chicago standards. Aid will be available at the following approximate mile marks: 3, 5, 8, 10, 13, 15, 18, 20, 23. There is an aid station at each turnaround point on the course. There are porta-potties at the east and west ends of the course. NORTH: Water, Gatorade Endurance (Lemon-Lime) WEST: Water, Gatorade Endurance (Lemon-Lime), Clif Gel, Pickles, Gummi Bears, Pringles, Toilet SOUTH: Water, Gatorade Endurance (Lemon-Lime) EAST: Water, Gatorade Endurance (Lemon-Lime), Toilet -
10 Mile
Incl. $4.85 Fee & Giveaway Options
Sat 9th May 2026 (8:00AM CDT)
$64.85
The 10 MILE course will be run on the Sag Valley Trail. The entire course is wide horsetrail, with little to no technical trail running required. There will often be 2-way traffic, so you should always feel the encouragement of your fellow runners. The course is actually 10.0 miles. https://www.mapmyrun.com/routes/view/4099620145 The challenging part is the hills with 400+ ft of elevation, this Marathon is mountainous by Chicago standards. Aid will be available at the following approximate mile marks: 3, 5, 8. There is an aid station at each turnaround point on the course. There are porta-potties at the east and west ends of the course. NORTH: Water, Gatorade Endurance (Lemon-Lime) WEST: Water, Gatorade Endurance (Lemon-Lime), Clif Gel, Pickles, Gummi Bears, Pringles, Toilet SOUTH: Water, Gatorade Endurance (Lemon-Lime) EAST: Water, Gatorade Endurance (Lemon-Lime), Toilet
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