When does the Southernmost Half Marathon and 10K sell out?

Southernmost Half Marathon and 10K hasn't published a hard registration deadline. Most races of this size raise the entry fee in tiers (early-bird, regular, late) and can sell out without warning — sign up early if you're committed.

Half Marathon

Road

Southernmost Half Marathon and 10K

Q: How hard is the Southernmost Half Marathon and 10K Half Marathon?

Southernmost Half Marathon and 10K is a Half Marathon on a road course in Key West, Florida. We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.

Q: What should I wear for the Southernmost Half Marathon and 10K?

Race-day weather in Key West can swing year over year, so dress for the forecast on the day. As a rule of thumb, dress for ~10°F warmer than the standing temperature once you start running. Layer with a throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, and a singlet plus a visor when it climbs above 60°F. The published start time is 7:00 AM. Check the race-day weather forecast on this page closer to the date for a specific recommendation.

October 11, 2026

Key West, Florida

Rolling Course

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About the Race

REGISTER HERE! Half Marathon (13.1 miles) 10K (6.2 miles) On October 11, 2026, runners will converge on the southernmost island in the contiguous United States and enjoy a break from the ordinary. Run Conch Republic gives runners a choice of 13.1 or 6.2 miles of ocean and gulf views, as well as iconic Key West landmarks. Join us this fall in Key West. Come for the race and stay for a great time! All participants will receive an event t-shirt at packet pick up and finisher medal after completi...

Course Profile

Course profile data unavailable for this race.

Course features

Terrain

road

Surface

Road

Elevation gain

Not measured

Course type

Not stated

Field size

Unknown

Boston qualifier

Course map

Not yet published

Elevation profile

Not measured

Accessibility & inclusion

Walker-friendly

Stroller-friendly

Dog-friendly

Kids race

Vibe & community

We don't have vibe tags for this race yet — organizers can claim the listing to add them.

No charity partner listed.

History & past results

Years running

Unknown — claim to add

Recurrence

Annual (assumed)

Past finisher times and year-over-year participation will appear here once the organizer publishes them.

Reviews

No reviews yet

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Common questions

How hard is the Southernmost Half Marathon and 10K Half Marathon?

We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.

What should I wear?

Dress for ~10°F warmer than the standing temperature once you start running. Throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, singlet plus visor when it climbs above 60°F. The race-day forecast above is the source of truth closer to the date.