The tentative calendar of 2025 marathon swim dates is below. We plan to open the application from January 1-14, 2025, in order to make assignments by the end of January. Dates listed are starting dates; in the case of night swims and longer events, the finish may be the following day.
20 Bridges
Applications for 20 Bridges will be accepted for the following tidal widows. Depending on swimmer availability and the number of applications, we will aim to concentrate assignments on weekend and may not necessarily use every date within each window.
Window 1: Friday, June 20-Sunday, June 29 (including some night swims)
Window 2: Friday, July 11-Saturday, July 12 (night swims)
Window 3: Tuesday, July 15-Sunday, July 27 (including some night swims)
Window 4: Saturday, August 9-Sunday, August 17
Window 5: Saturday, August 23-Sunday, August 25
Window 6: Sunday, September 7-Sunday, September 14
Window 7: Saturday, September 20-Sunday, September 21
Window 8: Tuesday, October 7-Friday, October 10
40 Bridges
Friday, July 25
8 Bridges
Stage 1: Wednesday, July 16
Stage 2: Thursday, July 17
Stage 3: Friday, July 18
Stage 4: Saturday, July 19
Stage 5: Sunday, July 20
Stage 6: Monday, July 21
Stage 7: Tuesday, July 22
Ederle-Burke Swim
Saturday, September 6