2027 Naperville Trails Half Marathon & 10K
Naperville Trails Half Marathon offers a flat, fast course through scenic forest preserve trails.
Race Date
Sep 15, 2027
Location
Wheaton, IL
Quick facts
- Date
- Wednesday, September 15, 2027
- Location
- Wheaton, Illinois
- Distance
- Half marathon (13.1 mi)
- Course
- Loop Course
- Terrain
- Trail
- USATF certified
- Not listed
Highlights
Good For
Atmosphere
Course
The Experience
The Naperville Trails Half Marathon winds through the crushed limestone paths of Danada Forest Preserve. This USATF-certified course is known for its flat profile, with minimal elevation gain or loss, making it a prime candidate for setting personal bests.
Runners typically experience mild race-day conditions, with average temperatures in the high 60s Fahrenheit. The event, first run in 2010 and now in its 16th edition, draws participants from around 14 states. With a median field size of approximately 508 finishers and a growing trend, it offers a solid race-day atmosphere. The ~16% repeat-runner rate speaks to its enduring appeal among those seeking a well-organized trail race.
Race-provided description
Run the beautiful half Marathon & 10K course that weaves through the crushed limestone trails at the Danada Forest Preserve.
Logistics
Race Day
Wednesday, September 15, 2027
Start Time
TBA
Start Location
3S580 Naperville Rd, Wheaton, IL, 60563
Course Info
Course Type
Loop Course
Terrain
trail
Scenery
Forest
Surface
Dirt Trail
Difficulty
Ultra-Flat
Quality Score
Standout7917 years running
~525 finishers a year
growing or steady
15% returning runners
USATF certified · 5 timing sources · 5 photos
runners from 19 states
winner 1:17:42
typical high 77°F
Race Photos
Frequently asked
When is the 2027 Naperville Trails Half Marathon & 10K?
The 2027 Naperville Trails Half Marathon & 10K is held on Wednesday, September 15, 2027.
Where does the 2027 Naperville Trails Half Marathon & 10K take place?
It takes place in Wheaton, Illinois.
What distances does the 2027 Naperville Trails Half Marathon & 10K offer?
The half marathon (13.1 miles).
Is the 2027 Naperville Trails Half Marathon & 10K course flat and good for a PR?
The 2027 Naperville Trails Half Marathon & 10K is a ultra-flat, loop course course.
HalfRuns editorial — independent, no paid placement.
Explore More Journeys
Can't make it to Wheaton? Discover other experiences that match your running style.
Search All Races
