U.S. Marathon Swim Calendar - 2018

List of organized marathon swim races in the United States and nearby locations. 10 km (6 miles) or longer.
DateSwimLocationDistancePast
2018-04-18 Swim Around Lido Key Sarasota, FL 7 mi results
2018-04-21 Tampa Bay Marathon Swim Tampa, FL 24 mi results
2018-04-25 S.C.A.R. Swim Challenge Saguaro Lake, AZ 9.5 mi results
2018-04-26 S.C.A.R. Swim Challenge Canyon Lake, AZ 9 mi results
2018-04-27 S.C.A.R. Swim Challenge Apache Lake, AZ 17 mi results
2018-04-28 S.C.A.R. Swim Challenge Roosevelt Lake, AZ 10 km results
2018-05-06 Swim Miami Miami, FL 10 km results
2018-06-08 Mercer Island Marathon Swim Seattle, WA 20 km results
2018-06-10 Del Valle Open Water Festival Livermore, CA 10 km results
2018-06-16 END-WET Grand Forks, ND to Oslo, MN 36 mi results
2018-06-16 Swim Around Key West Key West, FL 12 mi results
2018-06-19 8 Bridges Hudson River Swim Rip Van Winkle Br 18.3 mi results
2018-06-20 8 Bridges Hudson River Swim Kingston Rhinecliff Br 19.8 mi results
2018-06-21 8 Bridges Hudson River Swim Mid-Hudson Br 13.2 mi results
2018-06-22 8 Bridges Hudson River Swim Newburgh Beacon Br 15.0 mi results
2018-06-24 8 Bridges Hudson River Swim Bear Mountain Br 19.8 mi results
2018-06-25 8 Bridges Hudson River Swim Tappan Zee Br 15.7 mi results
2018-06-26 8 Bridges Hudson River Swim George Washington Br 18.6 mi results
2018-06-30 Son of a Swim Lake Memphremagog, VT 6 mi, 10 mi
2018-06-30 Capitola-Santa Cruz Pier-to-Pier Santa Cruz, CA 10 km results
2018-07-07 St. Lucia Channel Swim St Lucia 34 km
2018-07-08 Portland Bridge Swim Portland, OR 11 mi results
2018-07-14 Bear Lake Monster Swim 10 km results
2018-07-14 Georgeville or Bust Lake Memphremagog, VT 15 mi
2018-07-14 Swim with a Mission Newfound Lake, NH 10K
2018-07-17 In Search of Memphre Lake Memphremagog, VT 25 mi results
2018-07-20 Flathead Lake Swim Big Arm, Montana 10 km results
2018-07-21 Swim Ocean City Ocean City, MD 9 mi results
2018-07-28 Kingdom Swim Lake Memphremagog, VT 10 mi results
2018-07-28 The Cliff Backyard Ultra Swim Bailey, CO last standing
2018-08-04 Swim Across the Sound Bridgeport, CT 25 km results
2018-08-04 Bay Challenge Vancouver, BC, Canada 9 km
2018-08-11 Boston Light Swim Boston, MA 8 mi results
2018-08-11 Rose Pitonof Swim Brooklyn, NY 17 mi results
2018-08-12 Change Your Latitude 57˚ Sitka, AK 10 km
2018-08-13 Lac Massawippi Swim Lake Massawippi, QC 9 mi results
2018-08-14 Lake Seymour Swim Seymour Lake, VT 10 km
2018-08-15 Echo Lake Swim Echo Lake, VT 12 km
2018-08-16 Lake Memphremagog Swim Lake Memphremagog, VT 10 km
2018-08-18 Lake George Swim Hague, NY 10 km results
2018-08-19 Swim to the Moon Hell, MI 10 km results
2018-08-31 Bender Memorial Marathon Swim Bridgeport, PA 8 mi results
2018-09-09 Horsetooth Swim Fort Collins, CO 10 km results
2018-09-10 In Search of Memphre Lake Memphremagog, VT 25 mi results
2018-09-15 Alligator Lighthouse Swim Islamorada, FL 9 mi results
2018-09-15 Seattle 10K Invitational Seattle, WA 10 km
2018-09-16 Swim Around Charleston Charleston, SC 12 mi results
2018-09-22 Swim for the Potomac National Harbor, MD 10 km results
2018-10-06 To the Bridge and Back Midlothian, VA 10 mi results
2018-10-13 Swim the Suck Chattanooga, TN 10 mi results
various 20 Bridges Manhattan Swim New York, NY 28.5 mi results

2018 dates not yet known

DateSwimLocationDistancePast
2017-06-03 Great Salt Lake Marathon Swim Salt Lake City, UT 10 km results
2017-06-10 FKCC Swim Around Key West Key West, FL 12 mi results
2017-06-24 20 Bridges Manhattan Swim New York, NY 28.5 mi results
2017-07-09 Semana Nautica 6 mile Swim Santa Barbara, CA 6 mi results
2017-08-05 Great Moose Migration Arrowrock Reservoir, ID 11 mi
2017-08-06 Swim for Freedom Lake Geneva, WI 6 mi
2017-08-12 Pennock Island Challenge Ketchikan, AK 8.2 mi results
2017-08-12 Deer Creek 10 km Charleston, UT 10 km results
2017-08-12 Deer Creek 10 mile Charleston, UT 10 mi results
2017-08-26 Nanaimo Ocean Swim Newcastle Island, BC 11 km
2017-09-09 Lake Hopatcong Lake Hopatcong, NJ 9.1 mi
2017-09-24 La Jolla Cove 10 mile La Jolla, CA 10 mi
2017-10-08 Bermuda Round-the-Sound Bermuda 10 km
2017-10-14 Lake Travis Relay Austin, TX 10 mi

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