Course and Venue Details
Scroll down to find your distance, with the venue/parking/spectator info at the end
Half Marathon
For the challenging half marathon, participants start southwest of the Apex Center parking lot for a 4-mile westward stretch, then turn south for a scenic 5.4-mile clockwise loop around Blunn Reservoir, before finally returning to the Ralston Creek Trail for a rewarding downhill finish. To ensure a great race, the course is supported by 8 aid station stops and 3 toilet stops along the route.
Surface: <1% soft surface/1% asphalt/99% concrete
Male record: Samuel Ringger, 2023 Runapalooza 1:14:48 (5:43)
Female record: Tricia Holland, 2024 Runapalooza 1:29:10 (6:48)
Course average: 2:05:45 (9:36)
Avg. # of athletes: 106
10K
The 10K course is an out-and-back route starting southwest of the Apex Center parking lot. Runners will head west along the scenic Ralston Creek Trail, turn around at the 3.1-mile mark, and follow the same path back to the venue for a fast, downhill finish. The course is well-supported with 4 aid station stops and 2 toilet stops positioned along the way to keep you going.
Surface: 2% asphalt/98% concrete
Male record: Billy Mertens, 2021 Runapalooza 34:59 (5:38)
Female record: Brittany Warly, 2023 Runapalooza 38:09 (6:09)
Course average: 1:03:56 (10:19)
Avg. # of athletes: 80
5K
The 5K is a straightforward out-and-back course beginning southwest of the Apex Center parking lot. Runners head west along the Ralston Creek Trail, turn around at the 1.55-mile mark, and follow the trail back to the finish line at the venue for a fast, downhill close. The route provides support with 2 aid station stops to keep you fueled and refreshed.
Surface: 3% asphalt/97% concrete
Male record: Ethan Brill, 2025 Runapalooza 16:45 (5:24)
Female record: Cassandra Porter, 2023 Summer Breeze 18:32 (5:58)
Course average: 37:02 (11:57)
Avg. # of athletes: 117
Aid Stations
Aid stations have Superganix plant-based balm samples on-demand and will feature Gatorade (lemon-lime, orange, or fruit punch) and Gu energy gels in raspberry lemonade
Venue, Parking, and Spectators
Venue location and parking
Apex Center, 13150 W 72nd Ave, Arvada, CO 80005
Athletes & spectators can park anywhere in the Apex Center lot, except the marked venue area. We recommend you arrive earlier than usual to ensure you are able to park and get to your event in time.
Map Location
Spectators
Spectators can use the button to the right for a downloadable Google map of the course to help identify where you will be during the event. Best places for spectators to cheeer you on while on the course is at Aid 2 (10K and half marathon) and Aid 3 (half marathon ahthletes).
