Matejka-Heffner Racing

Matejka-Heffner Racing

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Matejka-Heffner Racing is a Denver, CO based Sprint Car and Midget team with driver Adam Trimble.

The team won Sprint Car Championships in 2024 with the ASCS Western Plains and in 2025 with the ASCS Northern Plains.

07/08/2026

Tonight we're at Beloit, Kansas' Mitchell County Fairgrounds Raceway for Mid-America Midget Week with the USAC Racing NOS Energy Drink National Midget Series!

You can watch us live on:
📺 FloRacing

As always, a special thanks to our partners:

Hamiltonmotorsportsracing
Stanton Racing Engines
Keizer Racing Wheels
Diversified Machine, Inc. / DMI
Wilwood Disc Brakes
Buckeye Welding Supply Company
Accurate Powder Coating, LLC
Bell Racing
Centennial Midget Series

Photos from Matejka-Heffner Racing's post 07/04/2026

What looked to be a win on Friday night with the ASCS Northern Plains Region Sprint Cars at Black Hills Speedway ended on the white flag lap with a broken engine. Since the failure happened on the final lap, we were still credited with a 6th-place finish, but unfortunately the damage also ends our weekend.

While we regroup and sort out our sprint car plans for the rest of the summer, we're fortunate to get right back to racing this week with the Centennial Midget Series and USAC Racing National Midget Series, starting Wednesday in Beloit, KS.

06/14/2026

We picked up our second midget win of the season with the Centennial Midget Series at Honor Speedway in Pueblo, CO. A nice hometown win for Adam!

As always, we couldn't do it without the support of our amazing partners.

Hamiltonmotorsportsracing
Keizer Racing Wheels
Stanton Racing Engines
Diversified Machine, Inc. / DMI
Wilwood Disc Brakes
zMAX
Buckeye Welding Supply Company
Accurate Powder Coating, LLC
Bell Racing
Xtreme Outlaw Series

Photos from Centennial Midget Series's post 06/07/2026

We picked up our 1st Midget win of the season earlier this evening with the Centennial Midget Series! Kudos to all those involved in forming this new organization. They're upping the ante for racing in this area and we're excited to be part of it.

It was also a double duty evening for our team, as it was the season opening weekend for the ASCS Northern Plains Region Sprint Cars (co-sanctioned with the 360 Wing Desert Series) where we eeked out a 5th place finish.

Keizer Racing Wheels
Stanton Racing Engines
Hamiltonmotorsportsracing
Diversified Machine, Inc. / DMI
Wilwood
zMAX
Buckeye Welding
Accurate Powder Coating, LLC
Bell Racing

05/23/2026

We're so excited to participate in the inaugural race weekend for the Centennial Midget Series at Airport Raceway in Garden City, KS this weekend. Thanks to Keizer Racing Wheels, Hamiltonmotorsportsracing, Stanton Engines, Diversified Machine, Inc.Wilwood and zMAX for another year of support and partnership!

Photos from Matejka-Heffner Racing's post 04/05/2026

We kicked off our 3rd season together with a win in the ASCS Western Plains Region Sprint Car season opener at El Paso County Raceway, this evening.

As always, we couldn’t do what we do without the support of our partners, crew, and everyone behind the scenes. We’re grateful for each of you and wish everyone a Happy Easter.

Hamiltonmotorsportsracing
Keizer Racing Wheels
Triple X Race Components
Stanton Racing Engines
Outlaw Wings
Diversified Machine, Inc. / DMI
FK Indy
Wilwood Disc Brakes
zMAX

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366 10th St
Calhan, CO
80808