2026 Fall Marathon Training Series
These Marathon training races are geared towards people training for spring marathons. They are supported runs with aid stations and are timed and scored.
There are both 10 mile and 20-mile distances for people who are training for either a half marathon or a full marathon.
Come and join us for a fun, competitive training run to get your training off to a great start!!!!
3rd Fall Marathon Training Series Race
Race Day Details
Date: Sunday September 27th
Time: 7 am start. Show up at least 15 minutes early to get your tag and warm up.
Location = Riverwalk Ballfields in Thornton. The ballfields are located at the intersection of 100th Avenue and Riverdale Road in Thornton.
Parking: Plenty of parking at the ballfields.
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- No Dogs: Pets of any kind are not allowed on the course
- No Running Strollers: Strollers and baby joggers are not permitted on the route
- No Exceptions: Anyone arriving with a dog or stroller will not be permitted to join the run
Registration: Runsignup link