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Platte River Half Marathon & Relay

Thank you for visiting the Platte River Half Marathon and Relay, proudly benefitting the Leukemia and Lymphoma Society. Join us at this year’s race and see why our event has won several regional awards!

Have questions about our upcoming race? Find everything you need to know about our event on our Race Info page, or fill out this form and someone from our team will respond shortly. Please give us at least 24 hours to reply.

Register today to secure your spot in this year’s race, and we’ll see you at the starting line!

Contact Us

PO BOX 371833 Denver, Colorado 80237

Connect With Us

The Rocky Mountain Chapter of The Leukemia & Lymphoma Society

Proceeds from the race will benefit The Rocky Mountain Chapter of The Leukemia & Lymphoma Society.

For more information on blood cancers and how you can help, please visit www.lls.org.