# Half Marathon Races in Key Biscayne, FL (2026)

> 30 upcoming Half Marathon races in Key Biscayne, Florida.

- **Page:** https://runthis.run/races/florida/key-biscayne/half-marathon

## Races

- **[Sloth Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-198470-sloth-run-5k-10k-13-1-miami)** — Sat, Aug 29, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Run for Breast Cancer 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-199877-run-for-breast-cancer-5k-10k-13-1-miami)** — Sat, Aug 29, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[National Chocolate Day: Run for Chocolates 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-198506-national-chocolate-day-run-for-chocolates-5k-10k-13-1-miami)** — Sat, Sep 12, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Run for Mental Health 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-199924-run-for-mental-health-5k-10k-13-1-miami)** — Sat, Sep 12, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Oktoberfest Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-199682-oktoberfest-run-5k-10k-13-1-miami)** — Sat, Sep 26, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Run for Donuts 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-200190-run-for-donuts-5k-10k-13-1-miami)** — Sat, Sep 26, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Cookie Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-201394-cookie-run-5k-10k-13-1-miami)** — Sat, Oct 10, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Coffee Lovers Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-201521-coffee-lovers-run-5k-10k-13-1-miami)** — Sat, Oct 10, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[PB&J Fuel Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-201638-pb-j-fuel-run-5k-10k-13-1-miami)** — Sat, Oct 31, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Halloween Trick or Trot Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-204695-halloween-trick-or-trot-run-5k-10k-13-1-miami)** — Sat, Oct 31, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Run for Mental Health 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-201431-run-for-mental-health-5k-10k-13-1-miami)** — Sat, Nov 14, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Veterans Day Freedom Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-205129-veterans-day-freedom-run-5k-10k-13-1-miami)** — Sat, Nov 14, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Coffee Lovers Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-201467-coffee-lovers-run-5k-10k-13-1-miami)** — Sat, Nov 28, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Thanksgiving Gobble Trot Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-205281-thanksgiving-gobble-trot-run-5k-10k-13-1-miami)** — Sat, Nov 28, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Run for Breast Cancer 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-204853-run-for-breast-cancer-5k-10k-13-1-miami)** — Sat, Dec 12, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Sunrise Marathon 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-207981-sunrise-marathon-5k-10k-13-1-miami)** — Sat, Dec 12, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[A Merry Christmas Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-204959-a-merry-christmas-run-5k-10k-13-1-miami)** — Sat, Dec 26, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[New Year's Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-208010-new-years-run-5k-10k-13-1-miami)** — Sat, Dec 26, 2026 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[MLK Jr. Freedom Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-209358-mlk-jr-freedom-run-5k-10k-13-1-miami)** — Sat, Jan 16, 2027 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Sunrise Marathon 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-210567-sunrise-marathon-5k-10k-13-1-miami)** — Sat, Jan 16, 2027 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Coffee Lover Run MIAMI](https://runthis.run/event/rs-209502-coffee-lover-run-miami)** — Sat, Jan 30, 2027 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Run for Donut MIAMI](https://runthis.run/event/rs-210596-run-for-donut-miami)** — Sat, Jan 30, 2027 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Valentine's Day Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-209859-valentines-day-run-5k-10k-13-1-miami)** — Sat, Feb 13, 2027 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Run for Chocolate 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-210779-run-for-chocolate-5k-10k-13-1-miami)** — Sat, Feb 13, 2027 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Run Together Against Breast Cancer MIAMI](https://runthis.run/event/rs-212666-run-together-against-breast-cancer-miami)** — Sat, Feb 27, 2027 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Sunrise Marathon 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-211556-sunrise-marathon-5k-10k-13-1-miami)** — Sat, Mar 20, 2027 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[St. Paddy's Day Lucky Run 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-212766-st-paddys-day-lucky-run-5k-10k-13-1-miami)** — Sat, Mar 20, 2027 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Always Hope Easter Run MIAMI](https://runthis.run/event/rs-212959-always-hope-easter-run-miami)** — Sat, Mar 27, 2027 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Run for Bagels 5K/10K/13.1 MIAMI](https://runthis.run/event/rs-211425-run-for-bagels-5k-10k-13-1-miami)** — Sat, Apr 10, 2027 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile
- **[Coffee Lover Run MIAMI](https://runthis.run/event/rs-211456-coffee-lover-run-miami)** — Sat, Apr 24, 2027 · 12:00 AM UTC · Key Biscayne, FL · 5K / 10K / Marathon / 1 mile

## Nearby

- [All races in Key Biscayne, FL](https://runthis.run/races/florida/key-biscayne.md)
- [Half Marathon races in Florida](https://runthis.run/races/florida/half-marathon.md)

---

Source: [https://runthis.run/races/florida/key-biscayne/half-marathon](https://runthis.run/races/florida/key-biscayne/half-marathon) — data from Run This (runthis.run).