U.S. Marathon Swim Calendar

Now updated for 2018!

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

DateSwimLocationDistancePast
2018/4/18 Swim Around Lido Key Sarasota, FL 7 mi results
2018/4/21 Tampa Bay Marathon Swim Tampa, FL 24 mi results
2018/4/25 S.C.A.R. Swim Challenge Saguaro Lake, AZ 9.5 mi results
2018/4/26 S.C.A.R. Swim Challenge Canyon Lake, AZ 9 mi results
2018/4/27 S.C.A.R. Swim Challenge Apache Lake, AZ 17 mi results
2018/4/28 S.C.A.R. Swim Challenge Roosevelt Lake, AZ 10 km results
2018/5/6 Swim Miami Miami, FL 10 km results
2018/6/8 Mercer Island Marathon Swim Seattle, WA 20 km results
2018/6/16 END-WET Grand Forks, ND to Oslo, MN 36 mi results
2018/6/16 Swim Around Key West Key West, FL 12 mi results
2018/6/19 8 Bridges Hudson River Swim Rip Van Winkle Br 18.3 mi results
2018/6/20 8 Bridges Hudson River Swim Kingston Rhinecliff Br 19.8 mi results
2018/6/21 8 Bridges Hudson River Swim Mid-Hudson Br 13.2 mi results
2018/6/22 8 Bridges Hudson River Swim Newburgh Beacon Br 15.0 mi results
2018/6/24 8 Bridges Hudson River Swim Bear Mountain Br 19.8 mi results
2018/6/25 8 Bridges Hudson River Swim Tappan Zee Br 15.7 mi results
2018/6/26 8 Bridges Hudson River Swim George Washington Br 18.6 mi results
2018/6/30 Son of a Swim Lake Memphremagog, VT 6 mi, 10 mi
2018/7/14 Georgeville or Bust Lake Memphremagog, VT 15 mi
2018/7/14 Swim with a Mission Newfound Lake, NH 10K
2018/7/17 In Search of Memphre Lake Memphremagog, VT 25 mi results
2018/7/20 Flathead Lake Swim Big Arm, Montana 10 km results
2018/7/28 Kingdom Swim Lake Memphremagog, VT 10 mi results
2018/8/4 Swim Across the Sound Bridgeport, CT 25 km results
2018/8/4 Bay Challenge Vancouver, BC, Canada 9 km
2018/8/11 Boston Light Swim Boston, MA 8 mi results
2018/8/11 Rose Pitonof Swim Brooklyn, NY 17 mi results
2018/8/12 Change Your Latitude 57˚ Sitka, AK 10 km
2018/8/13 Lac Massawippi Swim Lake Massawippi, QC 9 mi results
2018/8/14 Lake Seymour Swim Seymour Lake, VT 10 km
2018/8/15 Echo Lake Swim Echo Lake, VT 12 km
2018/8/16 Lake Memphremagog Swim Lake Memphremagog, VT 10 km
2018/8/18 Lake George Swim Hague, NY 10 km results
2018/8/19 Swim to the Moon Hell, MI 10 km results
2018/8/31 Bender Memorial Marathon Swim Bridgeport, PA 8 mi results
2018/9/9 Horsetooth Swim Fort Collins, CO 10 km results
2018/9/10 In Search of Memphre Lake Memphremagog, VT 25 mi results
2018/9/15 Alligator Lighthouse Swim Islamorada, FL 9 mi results
2018/9/16 Swim Around Charleston Charleston, SC 12 mi results
2018/9/22 Swim for the Potomac National Harbor, MD 10 km results
2018/10/6 To the Bridge and Back Midlothian, VA 10 mi results
various 20 Bridges Manhattan Swim New York, NY 28.5 mi results

2018 dates not yet known

DateSwimLocationDistancePast
2016/8/14 Pennock Island Challenge Ketchikan, AK 8.2 mi results
2017/6/3 Great Salt Lake Marathon Swim Salt Lake City, UT 10 km results
2017/6/10 Del Valle Open Water Festival Livermore, CA 10 km results
2017/6/10 FKCC Swim Around Key West Key West, FL 12 mi results
2017/6/24 20 Bridges Manhattan Swim New York, NY 28.5 mi results
2017/7/9 Portland Bridge Swim Portland, OR 11 mi results
2017/7/9 Semana Nautica 6 mile Swim Santa Barbara, CA 6 mi results
2017/7/15 Swim Ocean City Ocean City, MD 9 mi results
2017/7/15 Bear Lake Monster Swim 10 km results
2017/8/5 Great Moose Migration Arrowrock Reservoir, ID 11 mi
2017/8/6 Swim for Freedom Lake Geneva, WI 6 mi
2017/8/12 Deer Creek 10 km Charleston, UT 10 km results
2017/8/12 Deer Creek 10 mile Charleston, UT 10 mi results
2017/8/26 Nanaimo Ocean Swim Newcastle Island, BC 11km
2017/9/9 Lake Hopatcong Lake Hopatcong, NJ 9.1 mi
2017/9/24 La Jolla Cove 10 mile La Jolla, CA 10 mi
2017/10/8 Bermuda Round-the-Sound Bermuda 10 km
2017/10/14 Swim the Suck Chattanooga, TN 10 mi results
2017/10/14 Lake Travis Relay Austin, TX 10 mi

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