Marathon Swimmers Federation

U.S. Marathon Swim Calendar

List of organized marathon swim races in the United States or nearby locations. 10K (6 miles) or longer.

2015 dates if available; otherwise 2014 dates are shown. To add an event to this list, please leave a comment at the bottom of this page.

Date Swim Location Distance Type
4/12/2015 Swim Around Lido Key Sarasota, FL 7M Circumnavigation
4/19/2015 Nike Swim Miami Miami, FL 10K Lagoon / Multi-Loop
4/25/2015 Tampa Bay Marathon Swim Tampa, FL 24M P2Pbay
5/6/2015 S.C.A.R. Swim Challenge Saguaro Lake, AZ 9.5M Lake / P2P
5/7/2015 S.C.A.R. Swim Challenge Canyon Lake, AZ 9M Lake / P2P
5/8/2015 S.C.A.R. Swim Challenge Apache Lake, AZ 17M Lake / P2P
5/9/2015 S.C.A.R. Swim Challenge Roosevelt Lake, AZ 10K Lake / P2P
6/6/2015 Potomac River Swim Hull Neck, VA to Pt Lookout S.P., MD 7.5M P2P
6/6/2015 Swim Around Key West Key West, FL 12M Circumnavigation
6/6/2015 Great Salt Lake Marathon Swim Salt Lake City, UT 8M Saline Lake / P2P
6/7/2015 8 Bridges Hudson River Swim Rip Van Winkle to Kingston Rhinecliff 18.3M River / P2P
6/8/2015 8 Bridges Hudson River Swim Kingston Rhinecliff to Mid-Hudson 19.8M River / P2P
6/9/2015 8 Bridges Hudson River Swim Mid-Hudson to Newburgh Beacon 13.2M River / P2P
6/10/2015 8 Bridges Hudson River Swim Newburgh Beacon to Bear Mountain 15.0M River / P2P
6/11/2015 8 Bridges Hudson River Swim Bear Mountain to Tappan Zee 19.8M River / P2P
6/12/2015 8 Bridges Hudson River Swim Tappan Zee to George Washington 15.7M River / P2P
6/13/2015 FKCC Swim Around Key West Key West, FL 12M Circumnavigation
6/13/2015 8 Bridges Hudson River Swim George Washington to Verrazano Narrows 18.6M River / P2P
6/13/2015 Lake Del Valle (USMS Nat.Champ) Livermore, CA 10K Lake / Multi-Loop
6/20/2015 END-WET Grand Forks, ND to Oslo, MN 36M River / P2P
6/20/2015 Son of a Swim Newport, VT 6M
6/20/2015 Morse Reservoir (USMS Nat.Champ) Noblesville, IN 15K Lake / Multi-Loop
7/12/2015 Portland Bridge Swim Portland, OR 11M River / P2P
7/12/2015 Semana Nautica 6-mile Swim Santa Barbara, CA 6M Ocean / P2P
7/18/2015 Flathead Lake Swim Big Arm, Montana 10K Lake / P2P
7/18/2015 Swim Ocean City Ocean City, NJ 9M
7/25/2015 Swim Across the Sound Bridgeport, CT 25K Ocean / P2P
7/25/2015 Kingdom Swim Newport, VT 10M Lake / 1 Loop
8/2/2015 Pennock Island Challenge Ketchikan, AK 8.2M
8/2/2015 Swim for Freedom Lake Geneva, WI 8M P2P
8/8/2015 Deer Creek 10K Charleston, UT 10K
8/8/2015 Deer Creek 10-mile Charleston, UT 10M
8/9/2015 Change Your Latitude 57˚ Sitka, AK 10K
8/10/2015 Swim the Kingdom - Echo Lake Ludlow, VT 12K
8/11/2015 Swim the Kingdom - Lake Seymour Morgan, VT 10K
8/12/2015 Swim the Kingdom - Lake Massawippi Ayers Cliff, Quebec 9M
8/13/2015 Swim the Kingdom - Lake Memphremagog Newport, VT 10K
8/15/2015 Boston Light Swim Boston, MA 8M P2P
8/15/2015 Rose Pitonof Swim Brooklyn, NY 17M P2P
8/23/2015 Horsetooth Swim Fort Collins, CO 10K P2P
8/23/2015 Swim to the Moon Hell, MI 10K
8/29/2015 Nanaimo Ocean Swim Newcastle Island, BC 11km
8/29/2015 Bridge to Bridge San Francisco, CA 10K P2P
8/29/2015 Lake George Swim Hague, NY 10K
9/5/2015 In Search of Memphre Newport, VT 25M P2P
9/26/2015 Swim Around Charleston Charleston, SC 12M
9/27/2015 La Jolla Cove 10-mile La Jolla, CA 10M Ocean / Multi-Loop
10/3/2015 To the Bridge and Back Midlothian, VA 10M
10/10/2015 Lake Travis Relay Austin, TX 10M
10/10/2015 Swim the Suck Chattanooga, TN 10M River / P2P
10/10/2015 Georgeville or Bust Newport, VT 15M Lake / P2P
multiple dates Manhattan Island Marathon Swim New York, NY 28.5M Circumnavigation
5/17/2014 Pensacola Bridge Swim Pensacola, FL 25K
5/18/2014 Pensacola Bridge Swim Pensacola, FL 10K
8/1/2014 Great Moose Migration Arrowrock Reservoir, ID 11M P2P
8/10/2014 Ederle Swim New York, NY 17.5M P2Pbay
9/6/2014 NY Aquarium Triple Dip New York, NY 10K
9/7/2014 Brooklyn Marathon Swim Brooklyn, NY 12M P2P
9/11/2014 Bannerman's Island Return Cold Spring, NY 11K
9/14/2014 Swim for the Potomac National Harbor, MD 10K
9/20/2014 Little Red Lighthouse Swim New York, NY 10K River / P2P
10/12/2014 Bermuda Round-the-Sound Bermuda 10K

©2015 Marathon Swimmers Federation