MSF Marathon Swim Calendar - North America
United States
List of organized, annual marathon swim events in the United States. 10 km (6 miles) or longer. Confirmed 2024 dates.
| Date | Swim | Location | Distance | Results |
| 2024-04-14 |
Swim Miami |
Miami, FL |
10 km |
results |
| 2024-04-24 |
S.C.A.R. Swim Challenge |
Saguaro Lake, AZ |
9.5 mi |
results |
| 2024-04-25 |
S.C.A.R. Swim Challenge |
Canyon Lake, AZ |
9 mi |
results |
| 2024-04-26 |
S.C.A.R. Swim Challenge |
Apache Lake, AZ |
17 mi |
results |
| 2024-04-27 |
S.C.A.R. Swim Challenge |
Roosevelt Lake, AZ |
10 km |
results |
| 2024-05-04 |
O'Crud Swim |
Mount Holly, NC |
10 km |
results |
| 2024-05-18 |
Low Country Splash |
Charleston, SC |
6 mi |
|
| 2024-06-07 |
FKCC Swim Around Key West |
Key West, FL |
12 mi |
results |
| 2024-06-08 |
Key West Open Water Swims |
Key West, FL |
10 km |
|
| 2024-06-08 |
Del Valle Open Water Festival |
Livermore, CA |
10 km |
results |
| 2024-06-15 |
END-WET |
Grand Forks, ND to Oslo, MN |
36 mi |
results |
| 2024-06-21 |
Swim Around Key West |
Key West, FL |
12 mi |
results |
| 2024-07-13 |
Swim with a Mission |
Newfound Lake, NH |
10 km |
|
| 2024-07-13 |
Finger Lakes Challenge |
Seneca Lake, NY |
6 mi, 12 mi |
results |
| 2024-07-14 |
Portland Bridge Swim |
Portland, OR |
11 mi |
results |
| 2024-07-20 |
Swim Ocean City |
Ocean City, MD |
9 mi |
results |
| 2024-07-20 |
Applegate Lake |
Jacksonville, OR |
10 km |
results |
| 2024-07-20 |
Cornhusker State Games |
Raymond, NE |
10 km |
results |
| 2024-07-27 |
Kingdom Swim |
Lake Memphremagog, VT |
10 mi |
results |
| 2024-07-27 |
SAA Long Island Sound |
Larchmont, NY |
10 km |
|
| 2024-07-28 |
Change Your Latitude 57˚ |
Sitka, AK |
10 km |
results |
| 2024-08-03 |
North Shore 10K |
Oahu, HI |
10 km |
results |
| 2024-08-03 |
Swim Across the Sound |
Bridgeport, CT |
25 km |
results |
| 2024-08-03 |
SAA Nassau / Suffolk Long Island |
Glen Cove, NY |
10 km |
|
| 2024-08-06 |
Swim the Kingdom - Lake Seymour |
Seymour Lake, VT |
10 km |
|
| 2024-08-07 |
Swim the Kingdom - Echo Lake |
Echo Lake, VT |
12 km |
|
| 2024-08-08 |
Swim the Kingdom - Lake Memphremagog (Clubhous) |
Lake Memphremagog, VT |
10 km |
|
| 2024-08-09 |
Boston Light Swim |
Boston, MA |
8 mi |
results |
| 2024-08-10 |
Swim the Kingdom - Lake Willoughby 2x |
Lake Willoughby, VT |
10 mi |
results |
| 2024-08-10 |
Minnetonka Challenge |
Lake Minnetonka, MN |
10 mi |
results |
| 2024-08-11 |
Ali'i Challenge Roughwater |
Kailua-Kona, HI |
10 km |
|
| 2024-08-12 |
Around Beavertail |
Jamestown, RI |
11.1 km |
results |
| 2024-08-17 |
Rose Pitonof Swim |
New York, NY |
17 mi |
results |
| 2024-08-17 |
Lake George Swim |
Hague, NY |
10 km |
results |
| 2024-08-17 |
Swim to the Moon |
Hell, MI |
10 km |
results |
| 2024-08-18 |
Swim to the Moon |
Hell, MI |
15 km |
results |
| 2024-08-24 |
3 Rivers Marathon Swim |
Pittsburgh, PA |
30 km |
results |
| 2024-08-24 |
The Castle |
Wellington Lake, CO |
10 km |
results |
| 2024-08-30 |
Bender Memorial Marathon Swim |
Bridgeport, PA |
6/8 mi, 15km |
results |
| 2024-09-07 |
Alligator Lighthouse Swim |
Islamorada, FL |
9 mi |
results |
| 2024-09-08 |
Horsetooth Swim |
Fort Collins, CO |
10 km |
results |
| 2024-09-22 |
Bridges to Bluffs |
Knoxville, TN |
10 km |
results |
| 2024-09-23 |
Swim for the Potomac |
Washington, DC |
10 km |
results |
| 2024-09-29 |
La Jolla Cove 10-mile Relay |
La Jolla, CA |
10 mi |
results |
| 2024-10-05 |
Swim the Suck |
Chattanooga, TN |
10 mi |
results |
| 2024-10-13 |
Swim Around Charleston |
Charleston, SC |
12 mi |
results |
| 2024-11-05 |
TriFloyd 8-mile Swim |
Clearwater, FL |
8 mi |
|
Organized Small Group Marathon Swims - United States
Dates not yet known - United States
Lake Travis Relay, Semana Nautica 6 mile Swim, Bear Lake Monster Swim, Deer Creek Marathon Swim, La Jolla Cove 10 mile, Capitola-Santa Cruz Pier-to-Pier,
Caribbean & other offshore
List of organized, annual marathon swim events in the Caribbean and other offshore locations. 10 km (6 miles) or longer. Confirmed 2024 dates.
| Date | Swim | Location | Distance | Results |
| 2024-10-13 |
Bermuda Round-the-Sound |
Bermuda |
10 km |
results |
skins only + FINA suits |
| 2024-11-10 |
Barbados Open Water Festival |
Carlyle Bay, Barbados |
10 km |
results |
skins only + FINA suits |
List of organized, annual marathon swim events in Mexico. 10 km (6 miles) or longer. Confirmed 2024 dates.
| Date | Swim | Location | Distance | Results |
| 2024-05-19 |
El Cruce |
Cancun, Mexico |
10 km |
results |