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National Trails Day at Fourmile Mountain Bike Park

  • Fourmile Mountain Bike Park 1601 Williams St. Des Moines, IA, 50317 United States (map)
Five people hike through the woods, picking up trash.

The forecasted 98% chance of rain turned into nothing. Thank you to everyone who showed up for National Trails Day! And welcome to the folks who randomly showed up from out of town to check out the trail!

We hiked, biked, and ran, and picked up bags of trash.

Full photo set: secca.smugmug.com/National-Trails-Day-2025

Learn more about Central Iowa Trail Association: www.centraliowatrails.com
Learn more about Altoona Running Club: altoonarunning.org
Learn more about Roccasecca Fitness and Soft Trail Stroll: www.roccasecca.fitness

Show American Hiking Society how you're celebrating National Trails Day by posting your photos or videos on Instagram and use the hashtag #NationalTrailsDay and tag @AmericanHiking. When you do, you'll be entered to win one of four incredible outdoor gear prize packages — valued at over $2,200! And because I want to see it too, use #RoccaseccaFitness and @KatherineRoccaseccaCPT.

#NationalTrailsDay @AmericanHiking
#RoccaseccaFitness @KatherineRoccaseccaCPT


National Trails Day is Saturday, June 7, and we are celebrating the new Fourmile Mountain Bike Park. “It features a network of soft surface trails that are ideal for mountain biking, hiking, trail running, and groomed trails for winter fat biking.“

We will meet at 9:00 a.m. in the gravel parking lot at the corner of Williams Street and East Washington Avenue.

We’ll have a few words from our sponsors so you can learn more about our local trails and the organizations that use and care for them. Then we’ll split into hiking, running, and biking groups.

  • 3-Mile Hike, led by Katherine Roccasecca from Roccasecca Fitness

  • 1-Mile Walk, led by Peggy Kirk from Roccasecca Fitness

  • 5–8 Mile Trail Run, led by Matt Millard from Capital Striders Turkeys and Altoona Running Club

  • Mountain Bike Ride, led by Central Iowa Trail Association

Afterward, we can regroup for lunch over at the nearby Copper Creek area.

To give back to the trails, bags will be available that you can stick in your pocket in case you see any trash.

Sponsored by the American Hiking Society, National Trails Day provides the perfect opportunity to set off on a local trail with others in your community. Join the movement to give back to trails and build a world where everyone feels welcome and has access to enjoy the great outdoors.

Take the National Trails Day® Pledge and promise to leave the trails and the outdoor community better than you found them. Take the pledge for your chance of winning one of four gear prize packages.

Please share your photos of the event online!
#NationalTrailsDay #SoftTrailStroll #AmericanHiking
#LeaveNoTrace #LeaveItBetter #RecreateResponsibly


Please contact me if you have any questions.

You are encouraged to RSVP (not required!) on our Facebook event.

Our National Trails Day event is listed on the American Hiking Society’s website. You can also learn more about National Trails Day at their site.

Learn more about Fourmile Mountain Bike Park from Polk County Conservation or Central Iowa Trail Association.

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May 27

Southwoods Keep Right Loop — 1.5 mi

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June 17

Center Trails Rollercoaster and Roses — 1.4 mi