Course
Both distances run in Danada Forest Preserve on crushed limestone trail, finishing on the grass around the horse race track. The half marathon and 10K courses are USATF certified.
Half Marathon21.1 km
10K10 km
Key dates
- ·RegistrationNot open yet
- ★Race daySeptember 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
This course runs in the beautiful Danada Forest Preserve on the crushed limestone trail, finishing around the horse race track in the grass. USATF certified half marathon & 10K course with half marathon or 10K distances to choose from.
Your next race, seen from above.
Save Naperville Trails Half Marathon & 10k to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
Get RunCalendar
Save Naperville Trails Half Marathon & 10k to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
More races in Illinois All ›
-
Last Chance BQ.2 Marathon
Flat fast loop course built for chasing Boston Qualifying times
-
-
Rock Cut Hobo Trail Runs
Trail loops through Rock Cut State Park's lakes
-
Elwood Community Days 5k Run & Walk 2026, In Memory Of Our Fallen Heroes
Elwood's 25th-anniversary 9/11 tribute run
Run this event? Claim it on runcalendar.com
Visit event website ›
A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.