U.S. Marathon Swim Calendar - 2021

List of organized marathon swim races in the United States and nearby locations. 10 km (6 miles) or longer. Confirmed 2021 dates.
DateSwimLocationDistancePast
2021-04-28 S.C.A.R. Swim Challenge Saguaro Lake, AZ 9.5 mi results
2021-04-29 S.C.A.R. Swim Challenge Canyon Lake, AZ 9 mi results
2021-04-30 S.C.A.R. Swim Challenge Apache Lake, AZ 17 mi results
2021-05-01 S.C.A.R. Swim Challenge Roosevelt Lake, AZ 10 km results
2021-05-08 Oh Crud, Swim Belmont, NC 10 km
2021-05-23 Swim Miami Miami, FL 10 km results
2021-06-12 Great Salt Lake Marathon Swim Salt Lake City, UT 10 km results
2021-06-12 FKCC Swim Around Key West Key West, FL 12 mi results
2021-06-19 END-WET Grand Forks, ND to Oslo, MN 36 mi results
2021-06-26 Swim Around Key West Key West, FL 12 mi results
2021-07-10 Swim with a Mission Newfound Lake, NH 10K results
2021-07-17 Finger Lakes Challenge Seneca Lake, NY 6 mi, 12 mi results
2021-07-17 Bear Lake Monster Swim 10 km results
2021-07-17 Swim Ocean City Ocean City, MD 9 mi results
2021-07-24 Kingdom Swim Lake Memphremagog, VT 10 mi results
2021-08-01 Jim Whelan Atlantic City Around-the-Island Atlantic City, NJ 22.75 mi results
2021-08-07 Swim Across the Sound Bridgeport, CT 25 km results
2021-08-08 Change Your Latitude 57˚ Sitka, AK 10 km
2021-08-09 Lac Massawippi Swim Lake Massawippi, QC 6/9/18 mi results
2021-08-10 Lake Seymour Swim Seymour Lake, VT 10 km
2021-08-11 Echo Lake Swim Echo Lake, VT 12 km
2021-08-12 Lake Memphremagog Swim Lake Memphremagog, VT 10 km
2021-08-14 Deer Creek 10 km Charleston, UT 10 km results
2021-08-14 Deer Creek 10 mile Charleston, UT 10 mi results
2021-08-15 Swim to the Moon Hell, MI 10 km results
2021-08-21 Lake George Swim Hague, NY 10 km results
2021-08-28 The Castle Wellington Lake, CO 10 km results
2021-09-11 Alligator Lighthouse Swim Islamorada, FL 9 mi results
2021-09-12 Horsetooth Swim Fort Collins, CO 10 km results
2021-09-26 Bridges to Bluffs Knoxville, TN 10 km results
2021-09-26 La Jolla Cove 10 mile La Jolla, CA 10 mi results
2021-10-09 Swim the Suck Chattanooga, TN 10 mi results
2021-10-31 Swim Around Charleston Charleston, SC 12 mi results
2021-canceled Applegate Lake Jacksonville, OR 2.5 km, 5 km, 10 km results
2021-canceled Tampa Bay Marathon Swim Tampa, FL 24 mi results
2021-canceled Portland Bridge Swim Portland, OR 11 mi results
2021-canceled Potomac River Swim Pt Lookout, MD 7.5 mi results
2021-canceled Swim Around Lido Key Sarasota, FL 7 mi results

Organized Solo / Small Group Swims

2021 dates not yet known

DateSwimLocationDistancePast
2019-07-07 Semana Nautica 6 mile Swim Santa Barbara, CA 6 mi results
2019-08-04 Swim for Freedom Lake Geneva, WI 6 mi
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
2019-10-06 Capitola-Santa Cruz Pier-to-Pier Santa Cruz, CA 10 km results
2020-06-13 Fontana Lake Almond, NC 10/15 km results
2020-06-13 Del Valle Open Water Festival Livermore, CA 10 km results
2020-07-18 Flathead Lake Swim Big Arm, Montana 10 km results
2020-07-25 Cornhusker Games Raymond, NE 10 km results
2020-08-08 Minnetonka Challenge Lake Minnetonka, MN 10 mi results
2020-08-22 Boston Light Swim Boston, MA 8 mi 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 3 Rivers Marathon Swim Pittsburgh, PA 30 km results
2020-10-10 Lake Travis Relay Austin, TX 10 mi results
2020-10-11 Bermuda Round-the-Sound Bermuda 10 km results
2020-canceled Mercer Island Marathon Swim Seattle, WA 20 km results
solrx

SolRx: marathon swimmers' most recommended sunblock. Waterproof for 8 hours!

Buy on Amazon