TC Challenge Race Series

Challenge your potential in 2019. With the TC Loony Challenge and TC Ultra Loony Challenge you'll tackle a series of premier Twin Cities running events over two days during the Medtronic Twin Cities Marathon Weekend!

Receive Awesome Gear

Celebrate your feat with custom series swag, in addition to the gear from each individual race.

Earn an Exclusive Finisher Medal

Participants can earn extra bling for participating in a series! A special, brag-worthy finisher medal is awarded to finishers Marathon Weekend.

Pay The Lowest Event Pricing

By registering for a series, participants lock in the lowest available prices (and pay just one lump sum) for all races in their series.

Enjoy Special Race Bib Recognition

Participants wear an extra series race bib on their backs so fellow challengers can encourage one another and share in some friendly competition.

Compete for Overall Score

Whether you're racing through one weekend or staying active throughout the year, we'll total your results over the course of your series.

Set your Race Calendar

Become part of the TCM family and don't stress about which events you'll run this year! Register just once and automatically enter your favorite races.

NEW this year: Enjoy an exclusive series participant celebration during Marathon Weekend. Collect your series gear, enjoy free food, beverages and more!


Do you have questions on how the TC Challenge Race Series works? Check out our FAQs!

When will I receive my series gear?

At our series celebration! Participants will receive access to an exclusive, heated tent at the end of their race during the Medtronic Twin Cities Marathon Weekend. The party includes catered food and Summit beer! Gear and series finisher medals will be distributed in the tent!

Is there a deadline to register for a series?

Yes. Each series has a different registration deadline. All series are subject to availability and will close when the field limit is reached.

Can I switch a distance or swap a race in my series?

No. TC Loony Challenge and TC Ultra Loony events are set, and participants may not switch distances or events. Participants may not transfer the Challenge or any part of the race to another participant.  Once the Challenge is purchased it is not transferable, non-deferable and non-refundable.

Can I combine my series entry with other offers and special codes?

No. TC Challenge Race Series registration is exclusive of other offers and special codes.