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2027 RACE WEEKEND — SEPTEMBER 17–19. Saturday, Sept 18: the 5K, the new 10K and the free Kids Fun Dash. Sunday, Sept 19: the Half Marathon and 3-Amigos Relay, 7:30 AM from Romero’s Park in Agua Fría. Every race finishes at Reunity Resources Farm, home of the Race Weekend Expo and packet pickup, Friday 10 AM–6 PM and Saturday 10 AM–5 PM. 2027 registration opens soon. See the race on RunSignup

Safety & Support

Your well-being is our #1 priority · Sept 18–19, 2027

Need Help on Course? Flag the nearest course marshal or aid station volunteer immediately. A medic is stationed at mile 4, a medical kit at the aid station for miles 8 and 10, and ALS medical at the mile-9 turnaround and the finish line.

Medical & Safety

  • A medic at mile 4 and a medical kit at miles 8 and 10, plus ALS medical at the mile-9 turnaround & the finish line
  • Public Safety Team every ~2 miles along the course
  • Notify the nearest volunteer if you feel unwell
  • Report to an aid station if unable to finish
  • Emergency response corridors are coordinated with the City of Santa Fe around race-morning closures; traffic control will hold or escort vehicles inside closure sectors

Aid Stations

  • Seven water points: miles 2, 4, 6, 8, 9, 10 and 12
  • Water available at all stations
  • Electrolyte beverages at all stations
  • Light nutrition at select stations
  • Approach and leave stations responsibly

Course Rules

  • Stay in the right lane throughout designated sections
  • Follow the right lane all the way to the finish at Reunity Resources Farm
  • Obey all signage and course marshals
  • Do not cut across traffic lanes

Weather & Altitude

  • Race day: cool September mornings in Santa Fe, warming by midday
  • Elevation: ~7,000 ft (2,134 m) — plan accordingly
  • Hydrate consistently before & during the race
  • Wear light, moisture-wicking layers + sunscreen
  • Adjust your pacing for altitude
A runner on an open high-desert road alongside a race marshal riding a bicycle in a hi-vis vest

About Our Safety Program

The safety and well-being of all participants, volunteers, and spectators are the top priorities of the Santa Fe International Half Marathon. Race officials continuously monitor conditions and implement safety protocols as needed. Please review the information above to ensure a safe and enjoyable race experience.

Registration Opens Soon

Join us Sunday, September 19, 2027 in Santa Fe, New Mexico