The Mid-Atlantic Multisport Open Water Swim Series is a collection of open water training swims and skills & safety clinics spread throughout the spring and summer months. The training swims are designed for experienced triathletes and open water swimmers while the skills  & safety clinics are perfect for those new to open water swimming or anyone looking to become stronger and more efficient in an open water environment.

Mid-Atlantic Multisport has been providing open water swimming instruction and training opportunities for triathletes and open water enthusiasts since 2008.  During this time, we have helped thousands of athletes overcome their anxieties related to open water and become faster, more confident swimmers.  

A SEASON PASS entitles you to attend ALL of our Training Swims for one low price.

A SESSION PASS entitles you to attend ONE Training Swim session on a specific date.

Includes a Live or On-Demand Webinar + In-Water Instruction

 2024 TRAINING SWIM schedule*

Wednesday, May 1, 2024 -- (5:00-7:00 pm)

Wednesday, May 15, 2024 -- (5:00-7:00 pm)  [+ Clinic In-Water Instruction - MORE INFO]

Wednesday, May 22, 2024 -- (5:00-7:00 pm)

Wednesday, June 5, 2024 -- (5:00-7:00 pm)

Wednesday, June 12, 2024 -- (5:00-7:00 pm)  [+ Clinic In-Water Instruction - MORE INFO]

Wednesday, June 26, 2024 -- (5:00-7:00 pm) 

Wednesday, July 10, 2024 -- (5:00-7:00 pm)  [+ Clinic In-Water Instruction - MORE INFO]

Wednesday, July 17, 2024 -- (5:00-7:00 pm)

Wednesday, August 7, 2024 -- (5:00-7:00 pm)

Wednesday, August 14, 2024 -- (5:00-7:00 pm)  [+ Clinic In-Water Instruction - MORE INFO]

Wednesday, August 28, 2024 -- (5:00-7:00 pm)

Wednesday, September 11, 2024 -- (5:00-7:00 pm)

.* 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, communicty and staff.


Marsh Creek State Park

Boat Launch - WESTERN SIDE
Downingtown, PA 19335

Click on map for directions.

Marsh Creek State Park, located in beautiful Chester County, PA, encompasses 1,705 acres and contains the 535-acre Marsh Creek Lake.  The lake is a regional attraction for boating, windsurfing and fishing.  In addition, you will find picnic areas, running trails and a great place to spend time with family and friends.