Mack Cycle 305 Triathlon
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Event overview
The Tri-Miami Triathlon Trilogy is a three-race series held on Key Biscayne near downtown Miami. The 2026 race dates are Sunday, May 17, June 28, and August 9. The three races in the series are scheduled about six weeks apart.
The series combines multiple triathlons that have previously been held on Key Biscayne. All events take place at Crandon Park, 6747 Crandon Blvd, Key Biscayne, FL 33149.
Distances and course details
- Sprint Triathlon: S 500 m, B 14K, R 3.3K
- Sprint Duathlon: S 1.5K, B 14K, R 3.3K
- Sprint Aquabike: S 500 m, B 14K
- Intermediate Triathlon: S 1K, B 27K, R 6.7K
- Olympic Triathlon: S 1.5K, B 40K, R 10K
- Olympic Aquabike: S 1.5K, B 40K
The swim takes place in a calm area of the Atlantic Ocean. The bike course departs Crandon Park and climbs the William Powell Bridge, which has a steady 4% grade up to 76 feet; riders make a U-turn and climb the bridge again, with the remainder of the bike course being flat. The run follows paved trails through Crandon Park with ocean views and shaded sections. Sprint race distances use one lap, Intermediate two laps, and Olympic three laps for the bike and run. Visit the organization's website for the most recent information.