Merus Marathon & Ultra

Course

Trail courses inside Merus Adventure Park in Palo Duro Canyon, Texas, running over sand, sandstone, red dirt, rock, stone and clay. The canyon rim stands at 3,412ft and the park's low point at 2,500ft, with individual climbs generally between 100 and 500ft. Distances run from a youth trail run up to 52.4 miles.

Key dates

• !
  Registration
  Open now
• ★
  Race day
  Sat 17 Apr 2027

About

Set against the stunning backdrop of the Palo Duro Canyon, our marathon offers an unforgettable race experience through some of nature's most breathtaking landscapes. From towering cliffs to panoramic vistas, each mile is an adventure, combining scenic beauty with challenging terrain. Whether you're aiming for a personal best or simply soaking in the natural surroundings, this marathon is about pushing your limits while connecting with the outdoors and fellow runners.

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  Buc Days 5K

  Sat 17 Apr 2027 · Portland, TX · 5K · 1 Mile Fun Run

  Corpus Christi's pirate festival since 1938

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  Pirate 5K, 10K, & 13.1M, Deer Park, TX (16)

  April 2027 · Deer Park, TX · Half Marathon · 10K · 5K
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  3rd Annual Band on the Run

  April 2027 · Argyle, TX · 10K · 5K · 1K Fun Run
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  Dallas/Fort Worth Empower Walk & 5K Run

  April 2027 · Arlington, TX · 5K
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.