Swim in the great outdoors this summer!
The Mid-Atlantic Multisport Open Water Swim Series provides triathletes and swimmers of all ability levels with an opportunity to swim outdoors in a clean, freshwater lake on a well-marked course protected by certified lifeguards. Conveniently located at Marsh Creek State Park, the Series includes both training swims for experienced swimmers and skills & safety clinics for those new to open water swimming.
Disclaimer: The Mid-Atlantic Multisport Open Water Swim Series is not affiliated with Marsh Creek Boat Rental. Any comments, questions or concerns should be directed to Mid-Atlantic Multisport.
Upcoming Swim Dates: 2026
The swim series are held from the West Boat Launch: Click here for directionsÂ
NOTE: Schedule is subject to change as directed by Marsh Creek State Park or other governmental authorities or if deemed necessary to protect the health and safety of our athletes, community and staff.
TRAINING SWIMS (Season Pass & Session Pass):
Wednesday, May 6, 2026 (5:00-7:00 pm)
Wednesday, May 13, 2026 (5:00-7:00 pm)
Wednesday, May 27, 2026 (5:00-7:00 pm)
Wednesday, June 3, 2026 (5:00-7:00 pm)
Wednesday, June 17, 2026 (5:00-7:00 pm)
Wednesday, June 24, 2026 (5:00-7:00 pm)
Wednesday, July 8, 2026 (5:00-7:00 pm)
Wednesday, July 15, 2026 (5:00-7:00 pm)
Wednesday, August 5, 2026 (5:00-7:00 pm)
Wednesday, August 12, 2026 (5:00-7:00 pm)
Wednesday, August 26, 2026 (5:00-7:00 pm)
Wednesday, September 9, 2026 (5:00-7:00 pm)
SKILLS & SAFETY CLINICS:
PART I: ON-DEMAND WEBINAR
Clinic participants will have access to a 60-minute ON-DEMAND webinar to watch at their convenience prior to the in-water instruction and practice session.
PART II: IN-WATER INSTRUCTION & PRACTICE DATES (select one)
Wednesday, May 13, 2026 — (5:30-7:00 pm)
Wednesday, June 17, 2026 — (5:30-7:00 pm)
Wednesday, July 15, 2026 — (5:30-7:00 pm)
Wednesday, August 12, 2026 — (5:30-7:00 pm)