Half Marathons in Key Biscayne, Florida

There are 26 half marathons in Key Biscayne, Florida in 2026. The next is the Run for Mental Health 5K/10K/13.1 MIAMI on September 12.

Run for Mental Health 5K/10K/13.1 MIAMI

Sat, Sep 12 · Key Biscayne, FL Key Biscayne

Virtual Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K Registration +3

From $30 Open Closing Soon

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National Chocolate Day: Run for Chocolates 5K/10K/13.1 MIAMI

Sat, Sep 12 · Key Biscayne, FL Key Biscayne

Virtual Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open Closing Soon

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Run for Donuts 5K/10K/13.1 MIAMI

Sat, Sep 26 · Key Biscayne, FL Key Biscayne

Virtual Family Fun Run 1 Mile5K RegistrationVirtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Oktoberfest Run 5K/10K/13.1 MIAMI

Sat, Sep 26 · Key Biscayne, FL Key Biscayne

Virtual Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Coffee Lovers Run 5K/10K/13.1 MIAMI

Sat, Oct 10 · Key Biscayne, FL Key Biscayne

Virtual Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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Bagel Run 5K/10K/13.1 MIAMI

Sat, Oct 10 · Key Biscayne, FL Key Biscayne

Virtual Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration +3

From $30 Open

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Halloween Trick or Trot Run 5K/10K/13.1 MIAMI

Sat, Oct 31 · Key Biscayne, FL Key Biscayne

Virtual Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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PB&J Fuel Run 5K/10K/13.1 MIAMI

Sat, Oct 31 · Key Biscayne, FL Key Biscayne

Virtual Family Fun Run 1 Mile5K RegistrationVirtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Run for Mental Health 5K/10K/13.1 MIAMI

Sat, Nov 14 · Key Biscayne, FL Key Biscayne

Virtual Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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Veterans Day Freedom Run 5K/10K/13.1 MIAMI

Sat, Nov 14 · Key Biscayne, FL Key Biscayne

Virtual Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Thanksgiving Gobble Trot Run 5K/10K/13.1 MIAMI

Sat, Nov 28 · Key Biscayne, FL Key Biscayne

Virtual Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K Registration +3

From $30 Open

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Coffee Lovers Run 5K/10K/13.1 MIAMI

Sat, Nov 28 · Key Biscayne, FL Key Biscayne

Virtual Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration +3

From $30 Open

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Run for Breast Cancer 5K/10K/13.1 MIAMI

Sat, Dec 12 · Key Biscayne, FL Key Biscayne

Virtual Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Sunrise Marathon 5K/10K/13.1 MIAMI

Sat, Dec 12 · Key Biscayne, FL Key Biscayne

Virtual Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open

Register →

A Merry Christmas Run 5K/10K/13.1 MIAMI

Sat, Dec 26 · Key Biscayne, FL Key Biscayne

Virtual Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

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New Year's Run 5K/10K/13.1 MIAMI

Sat, Dec 26 · Key Biscayne, FL Key Biscayne

Virtual Family Fun Run 1 Mile5K RegistrationVirtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Sunrise Marathon 5K/10K/13.1 MIAMI

Sat, Jan 16 · Key Biscayne, FL Key Biscayne

Virtual Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

Register →

MLK Jr. Freedom Run 5K/10K/13.1 MIAMI

Sat, Jan 16 · Key Biscayne, FL Key Biscayne

Virtual Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K Registration +3

From $30 Open

Register →

Run for Donut MIAMI

Sat, Jan 30 · Key Biscayne, FL Key Biscayne

Virtual Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

Coffee Lover Run MIAMI

Sat, Jan 30 · Key Biscayne, FL Key Biscayne

Virtual Family Fun Run 1 Mile5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Run for Chocolate 5K/10K/13.1 MIAMI

Sat, Feb 13 · Key Biscayne, FL Key Biscayne

Virtual Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Valentine's Day Run 5K/10K/13.1 MIAMI

Sat, Feb 13 · Key Biscayne, FL Key Biscayne

Virtual Family Fun Run 1 Mile5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Sunrise Marathon 5K/10K/13.1 MIAMI

Sat, Mar 20 · Key Biscayne, FL Key Biscayne

Virtual Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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SuperHeroes Run MIAMI

Sat, Mar 27 · Key Biscayne, FL Key Biscayne

Virtual Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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Run for Bagels 5K/10K/13.1 MIAMI

Sat, Apr 10 · Key Biscayne, FL Key Biscayne

Virtual Family 1 Mile Fun Run5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

Coffee Lover Run MIAMI

Sat, Apr 24 · Key Biscayne, FL Key Biscayne

Virtual Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

Register →