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Sat, Sep 14


Riverdale Ridge High School


A Totally 80's & 90's Car Show


Time & Location

Sep 14, 2024, 10:00 AM – 3:00 PM

Riverdale Ridge High School, 13380 Yosemite St, Thornton, CO 80602, USA

About the event

ColoRETRO is an 80s & 90s Retro Themed Car Show hosted by Mayhem Racing Charities complete with:

Live Music

Arcade Bus entertainment

Food Trucks & Vendor Booths

Photography & Video

Multiple Trophy Classes including Best in Show, Best 90s, Best 80s, Most Unique, Most Original

Raffle & Cash Prizes

Costume Contest

and MORE!

Proceeds from ColoRETRO go to support the Riverdale Ridge High School Theatre Program.

Spectators are free!

INDOOR Bathroom Facilities provided (No porta potties!)

Registered cars MUST BE an 80s or 90s production vehicle.

* NOTE: If a generation of production carried over, ie: vehicle generation was produced '78-'84 or '98-'04, then the offyear vehicle is still allowed & able to compete as the cosmetic look of the vehicle was still built in the 80s & 90s era.

Vehicle Registration is $30 presale ($40 day of event).

Please contact us if special arrangements are needed for vehicle drop-off/pick-up (trailered)

Please contact with any questions regarding Vehicles, Vendor Booth Space, Sponsorship Opportunities, or anything else.


  • Vehicle Registration

    Sale ends: Sep 14, 2:00 AM

    This ticket is for registering 1 vehicle for ColoRETRO.

    +$0.75 service fee
  • Donation to Riverdale Ridge

    Sale ends: Sep 14, 3:00 PM

    This ticket may be used to make a donation directly to the Riverdale Ridge High School Theatre Program. Any funds received for this ticket will go to the Theatre Program and NOT be used for anything else at the event. Note: this ticket DOES NOT go towards any vehicle registration and is non-refundable.

    +Service fee



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