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!!!!

1st Fall Marathon Training Series Race

Race Day Details

Date:   Sunday August 30th
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.                                                              Registration:  Runsignup link 

Results: 

We are always looking for running and non-running volunteers, so come help out!

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2026 Spring Marathon Training Series – 2nd race

Race Day Details

Date:   Saturday April 11th
Time:   8am start.  Show up at least 30 minutes early to get your tag and warm up. 
Location = Platte River Trailhead Park. The park is located at the intersection of 88th Avenue and Colorado Blvd. in Thornton.
Parking:  Plenty of parking at the park.                                                              Registration:  For non-members, it is $20 for the 10 mile and $25 for the 20 mile race. Use the following link to register. Members are 50% off of these rates. Race day signup goes up by $5 per race.

Runsignup link 

Course:

We are always looking for running and non-running volunteers, so come help out!

Related Images:

2026 Spring Marathon Training Series – 1st race

Race Day Details

Date:   Sunday March 29th
Time:   8am start.  Show up at least 30 minutes early to get your tag and warm up. 
Location = Platte River Trailhead Park. The park is located at the intersection of 88th Avenue and Colorado Blvd. in Thornton.
Parking:  Plenty of parking at the park.                                                              Registration: For non-members, it is $20 for the 10 mile and $25 for the 20 mile race. Use the following link to register. Members are 50% off of these rates. Race day signup goes up by $5 per race.

 Runsignup link 

Course: The start and finish are at Platte River Trailhead Park. You will be running south on the Platte River Trail for 5 miles and then will turn around and return to the start/finish area. If you are running the 10 mile race, you will finish at that point, if you are running the 20 mile race, you will turn around and repeat the course again. Following is a link to the course description.

Course link

We are always looking for running and non-running volunteers, so come help out!

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2025 YEAR END BANQUET

We are bringing back the year end banquet and awards ceremony!!!

We will be having a speaker at this years event. 

Neely Spence Gracey (born 16 April 1990) is an American long-distance runner who competes in distances from 5000 metres to the marathon. She twice represented her country at the IAAF World Cross Country Championships and was the top non-African runner in 2013. She also ran at the 2011 Pan American Games.

She attended Shippensburg University and won eight NCAA Division II titles while there. She ran her first half marathon in 2013 then made a marathon debut at the 2016 Boston Marathon, where she was the top American woman. She is the daughter of former marathon runner Steve Spence.

Date and Time

Sunday January 25th, 4:30 pm to 6:30 pm

Location:

Bel-Rea Institute of Animal Technology

1681 S. Dayton St., Denver, CO 80247

Registration:

Please use the following runsignup link to register to attend the event. The cost is $20 per person and includes a catered dinner. There will be alcoholic and non-alcoholic drinks available as well. Children register for free!!

Run-Signup Registration link

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