Carlsbad Marathon

Registration is open to all runners on a first-come, first-served basis with tiered pricing. Entry opens June 1 and closes January 15, but the race typically sells out before the deadline, so registering early is recommended.

Yes, the Carlsbad Marathon is a certified Boston qualifier. The flat, low-elevation course makes it a realistic option for runners targeting a qualifying time.

The course is a multi-loop layout that stays very close to sea level, with a highest point of just 73 feet. Total elevation gain is around 782 feet spread across the loops, so expect small rolling sections that repeat rather than any single significant climb.

The time limit is 6 hours.

January race-day temperatures in Carlsbad average around 53°F, with lows near 46°F and highs near 60°F. Conditions are generally cool and breezy, which is favorable for marathon running, though a coastal breeze can create headwind on some stretches.

The Carlsbad Marathon is a smaller event, with recent finisher totals just over 1,100. The intimate field size means less crowding at the start and easier pacing through the early miles.

Yes, the Carlsbad Marathon course is USATF certified, which means it meets the standards required for Boston qualifying times and other official race purposes.