Naperville Trails Half Marathon
Naperville, United States • 5 Sep 2026
Naperville Trails Half Marathon & 10k : Naperville, IL
The event offers two measured, USATF certified race distances that run on crushed limestone trails inside Danada Forest Preserve and finish near the horse race track on grass. The race is chip timed and awards a finisher medal for both the half marathon and the 10K.
Packet options include mail delivery for a fee of $14.99 per participant. A virtual category is available and transfers to the virtual category are permitted before packet mailings are shipped. Gear choices include a cotton t shirt or an optional ladies cut tank top for an additional fee.
Support on course includes water stations stocked with water and sports drink, a gear check using clear bags, and half marathon pacers available at a range of goal paces. Course time limits are published for each distance: half marathon and 10K participants must finish within the posted time limits.
Off site parking with shuttle bus service is provided when on site parking is full, with specified off site lots in Lisle. The event partners with a charitable organization and counts toward the Run Chicagoland Race Series where applicable. Volunteers receive an event shirt and help at water stations, packet check in, and course marshal positions. Visit the organization's website for the most recent information.