U.S. Marathon Swim Calendar - 2020

Note: Many 2020 swims have been canceled due to the COVID-19 pandemic. Please click through to the organizers’ websites for current information.

List of organized marathon swim races in the United States and nearby locations. 10 km (6 miles) or longer. Confirmed 2020 dates.
DateSwimLocationDistancePast
2020-04-18 Tampa Bay Marathon Swim Tampa, FL 24 mi results
2020-04-25 Swim Around Lido Key Sarasota, FL 7 mi results
2020-04-26 Swim Miami Miami, FL 10 km results
2020-04-29 S.C.A.R. Swim Challenge Saguaro Lake, AZ 9.5 mi results
2020-04-30 S.C.A.R. Swim Challenge Canyon Lake, AZ 9 mi results
2020-05-01 S.C.A.R. Swim Challenge Apache Lake, AZ 17 mi results
2020-05-02 S.C.A.R. Swim Challenge Roosevelt Lake, AZ 10 km results
2020-05-16 Oh Crud, Swim Belmont, NC 10 km
2020-05-30 Potomac River Swim Pt Lookout, MD 7.5 mi results
2020-06-06 Swim Around Key West Key West, FL 12 mi results
2020-06-13 Del Valle Open Water Festival Livermore, CA 10 km results
2020-06-13 Fontana Lake Almond, NC 10/15 km results
2020-06-20 FKCC Swim Around Key West Key West, FL 12 mi results
2020-06-20 END-WET Grand Forks, ND to Oslo, MN 36 mi results
2020-06-26 8 Bridges Hudson River Swim Rip Van Winkle Br 18.3 mi results
2020-06-27 8 Bridges Hudson River Swim Kingston Rhinecliff Br 19.8 mi results
2020-06-27 Son of a Swim Lake Memphremagog, VT 6 mi, 10 mi
2020-06-28 8 Bridges Hudson River Swim Mid-Hudson Br 13.2 mi results
2020-06-29 8 Bridges Hudson River Swim Newburgh Beacon Br 15.0 mi results
2020-07-01 8 Bridges Hudson River Swim Bear Mountain Br 19.8 mi results
2020-07-02 8 Bridges Hudson River Swim Tappan Zee Br 15.7 mi results
2020-07-03 8 Bridges Hudson River Swim George Washington Br 18.6 mi results
2020-07-11 Swim with a Mission Newfound Lake, NH 10K results
2020-07-12 Portland Bridge Swim Portland, OR 11 mi results
2020-07-18 Applegate Lake Jacksonville, OR 2.5 km, 5 km, 10 km results
2020-07-18 Flathead Lake Swim Big Arm, Montana 10 km results
2020-07-18 Swim Ocean City Ocean City, MD 9 mi results
2020-07-18 Finger Lakes Challenge Seneca Lake, NY 6 mi, 12 mi results
2020-07-25 Kingdom Swim Lake Memphremagog, VT 10 mi results
2020-07-25 Cornhusker Games Raymond, NE 10 km results
2020-08-01 Swim Across the Sound Bridgeport, CT 25 km results
2020-08-08 Minnetonka Challenge Lake Minnetonka, MN 10 mi results
2020-08-09 Change Your Latitude 57˚ Sitka, AK 10 km
2020-08-09 Jim Whelan Atlantic City Around-the-Island Atlantic City, NJ 22.75 mi results
2020-08-10 Lac Massawippi Swim Lake Massawippi, QC 3/6/9/18 mi results
2020-08-11 Lake Seymour Swim Seymour Lake, VT 10 km
2020-08-12 Echo Lake Swim Echo Lake, VT 12 km
2020-08-13 Lake Memphremagog Swim Lake Memphremagog, VT 10 km
2020-08-15 Deer Creek 10 km Charleston, UT 10 km results
2020-08-15 Deer Creek 10 mile Charleston, UT 10 mi results
2020-08-15 Rose Pitonof Swim Brooklyn, NY 17 mi results
2020-08-16 Swim to the Moon Hell, MI 10 km results
2020-08-22 Boston Light Swim Boston, MA 8 mi results
2020-08-22 Lake George Swim Hague, NY 10 km results
2020-08-29 Aly Fell Memorial Swim Bellingham, WA 10 km
2020-09-12 North Shore 10K Oahu, HI 10 km results
2020-09-12 Alligator Lighthouse Swim Islamorada, FL 9 mi results
2020-09-13 Bridges to Bluffs Knoxville, TN 10 km results
2020-09-13 Horsetooth Swim Fort Collins, CO 10 km results
2020-09-27 La Jolla Cove 10 mile La Jolla, CA 10 mi results
2020-10-10 Lake Travis Relay Austin, TX 10 mi results
2020-10-10 Swim the Suck Chattanooga, TN 10 mi results
2020-10-11 Swim Around Charleston Charleston, SC 12 mi results
2020-10-11 Bermuda Round-the-Sound Bermuda 10 km results
various 20 Bridges Manhattan Swim New York, NY 28.5 mi results

Solo Swims with Scheduled Windows

2020 dates not yet known

DateSwimLocationDistancePast
2018-08-09 Pennock Island Challenge Ketchikan, AK 8.2 mi results
2019-06-01 Great Salt Lake Marathon Swim Salt Lake City, UT 10 km results
2019-07-07 Semana Nautica 6 mile Swim Santa Barbara, CA 6 mi results
2019-07-13 Bear Lake Monster Swim 10 km results
2019-08-04 Swim for Freedom Lake Geneva, WI 6 mi
2019-08-17 The Cliff Backyard Ultra Swim Bailey, CO last standing
2019-08-30 Bender Memorial Marathon Swim Bridgeport, PA 8 mi results
2019-09-30 Fish Face OWS Series National Harbor, MD 10 km results
2019-10-05 Ederle-Burke Swim New York, NY 26 km results
2019-10-06 Capitola-Santa Cruz Pier-to-Pier Santa Cruz, CA 10 km results
Not in 2019 Great Moose Migration Arrowrock Reservoir, ID 11 mi
Not in 2020 Mercer Island Marathon Swim Seattle, WA 20 km results
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