Ultramarathons in Boca Raton

4 upcoming races. See all races in Boca Raton or ultramarathons worldwide.

• Sid Cassidy Open Water Weekend 2026 - Sunday Salt Water Events - MASTERS - The 5 Kilometer Challenge
  Feb 14, 2027 · 8046.7 km
• Sid Cassidy Open Water Weekend 2026 - Sunday Salt Water Events - USA SWIMMING - The 5 Kilometer Challenge
  Feb 14, 2027 · 8046.7 km
• Sid Cassidy Open Water Weekend 2026 - Sunday Salt Water Events - The One Kilometer Encounter
  Feb 14, 2027 · 1609.3 km
• Sid Cassidy Open Water Weekend 2026 - Sunday Salt Water Events - The 500 Meter Splash
  Feb 14, 2027 · 804.7 km