Mountains-to-Sea Trail 12M & 50K Challenge

📍 Durham, United States
🏃 Trail
📏 12 miles, 50 km

The Mountains-to-Sea Trail 12M & 50K Challenge will take place on April 12, 2026, in Durham, North Carolina, USA. The event starts and finishes at Riverside High School, with the course following the scenic Mountains-to-Sea Trail through the woods along the Eno River. Participants can expect a challenging trail race with roots, rocks, and water crossings, as both the 12M and 50K distances are entirely on single-track trails. The weather in Durham on this date is expected to be mild, with temperatures ranging from 50°F to 65°F and partly cloudy conditions. The course has been updated for 2026 due to construction at Blue Jay Point County Park, ensuring a safe and enjoyable experience for all runners.

What distances are available for this event?

  • 12M race (closer to 13 miles)
  • 50K race

What is the schedule for the event?

  • 50K race starts at 7:00 AM
  • 12M race starts at 8:30 AM
  • 50K race has a time limit of 8 hours
  • 12M race has a time limit of 3.5 hours

What aid stations will be available during the race?

  • Aid stations are spaced approximately every 3–4 miles
  • Stocked with water, electrolyte drink, energy gels, snacks, and basic first aid
  • 50K aid stations also include fruit, pretzels, trail mix, candy, oranges, and bananas

What is included in the race registration?

  • 50K runners receive a drop bag available at the turnaround and again at the finish
  • 12M runners may leave a bag at a designated area at the finish line
  • Restrooms and porta-jons are available at the start/finish and at the 50K turnaround
  • Plentiful food and refreshments at the finish line

What are the race rules?

  • No dogs on course
  • No unregistered pacers
  • No headphones
  • No jog strollers
  • No littering

What should runners be aware of regarding weather conditions?

  • On hot days, runners are strongly encouraged to carry their own fluids
  • The event will take place regardless of weather, and participants should be prepared for changing conditions

What facilities are available at the event?

  • Restrooms and porta-jons at start/finish and at the 50K turnaround
  • Parking available at Riverside High School
  • Aid stations with food and hydration

What is the course like?

  • The course follows the Mountains-to-Sea Trail, running on beautiful single-track trail
  • Expect roots, rocks, quick turns, logs, woodland critters, and possible water crossings
  • The 12M is closer to 13 miles
  • Both the 12M and 50K courses have been updated for 2026 due to construction at Blue Jay Point County Park

Where is the event held?

  • The event starts and finishes at Riverside High School
  • Location: Google
  • Course maps are available for the 12M and 50K at here and here respectively

How can I register for the event?

Runsignup

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