Waterboro
Triathlon Calendar near Waterboro 2026-2027
Monthly updates for Waterboro
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Waterboro for 2026-2027! We've gathered 3 exciting races in the area. Check out our detailed list below to find your next local race.
August 2026
Swimrun across Casco Bay islands near Portland, Maine, with three distances, ocean swims, island runs, mandatory safety gear, and ferry transport for athletes.
OTILLO Swimrun Casco Bay Islands is a swimrun event in Long Island, Maine on August 9, 2026, offering World Series, Sprint and Experience categories for solo and team entrants plus spectator boat tickets for adults and children.
September 2026
A weekend triathlon and running festival at Spring Hill, South Berwick, ME, featuring sprint and Olympic races, relays, multiple road runs, lake swims, and a post-race brunch.