Delaware
Delaware Triathlon Calendar 2026-2027
Monthly updates for Delaware
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Delaware for 2026-2027! Our updated list features 3 exciting races across the region. Find your next race in Delaware below and join the running community at these great events!
July 2026
A beach biathlon at Rehoboth Beach combining a 1/2 mile ocean swim with a 5k run, plus a youth biathlon and a two mile memory walk. Chip timed and hosted by Seashore Striders and the Rehoboth Beach Patrol.
August 2026
Multi-distance triathlon festival at Lums Pond State Park in Bear, Delaware. Freshwater swim, a flat looped bike course, and forested lakefront run trails with Olympic, Sprint, aquabike, and relay options.
September 2026
Coastal Traverse Adventure Race is a 12 hour, 60 miles event in Lewes, Delaware that combines biking, running, and paddling across beaches, marshes, parks, and coastal towns. Teams and solo racers choose multiple routes and optional checkpoints where..