210 E. Eldorado Pkwy, Little Elm TX
Saturday, April 18th, 2026
Rock the Doc honors the legacy of Dr. Robert J. Dennington, Little Elm’s highly regarded first Orthodontist, esteemed community leader and longtime resident. Dr. Dennington, affectionately known as “Doc,” was deeply committed to serving Little Elm before his passing from complications of lymphoma in 2008. This race celebrates our beloved local leader’s life, service and the lasting impact he made in the community.
Rock the Doc is all about bringing our community together for a great cause, while continuing to build the energy and culture that makes NTX RR so special! Whether you're walking, running or just enjoying the lively atmosphere, it's a great way to start your Saturday surrounded by family, friends and runners/walkers of all ages! Register today and don't miss out on the fun!
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