River to Sea

The River to Sea race course is an almost one mile trail loop that is loaded with palm and oak trees in true old Florida hammock style. It is completely flat, shaded, nontechnical and absolutely gorgeous. It is nestled between the river and the ocean, for you to recover in after your race. Whether you’re looking to complete your first 50k or 50 mile distance or looking to set a pr, you’ve come to the right place. We will offer a fully stocked aid station , manned with experienced volunteers, to keep you running. River to Sea 6/12 Hour Race is put on by RD, Dawn Lisenby, who has 18 years experience conducting ultras, and 15 years coaching and running races. Our race is put on in an old school way where we care about our runners, as we want to make sure you not only have a smooth race but enjoyable time in the process. Let us put our experience to work for you and join us for what will surely be an unforgettable day on the trails.

Upcoming Races

Aug 1 2026
6 Hours
Multiple Loop
1 Elevation Rating
Flat or nearly flat
1 Surface Rating
Paved or very smooth surface
Aug 1 2026
12 Hours
Multiple Loop
1 Elevation Rating
Flat or nearly flat
1 Surface Rating
Paved or very smooth surface

Results

12 Hours

Date Finishers Top Result (F) Top Result (M)
08/02/25 30 56.4 58.2
08/03/24 31 50.9 64.6
08/05/23 60 58.24 67.34
08/06/22 49 72.68 56.12
08/07/21 53 58.74 67.64
08/01/20 31 53.1 58.41
08/03/19 43 48.6 62.37
08/04/18 40 52.65 55.89
07/29/17 58 63 72
07/30/16 23 63 57.6

6 Hours

Date Finishers Top Result (F) Top Result (M)
08/02/25 17 32.7 36.4
08/03/24 19 32.7 36.4
08/05/23 23 30.94 39.13
08/06/22 29 40.48 40.48
08/07/21 28 41.83 34.71
08/08/20 23 35.4 40.71
08/03/19 11 34.83 36.45
08/04/18 9 30.78 35.64
07/29/17 16 36 33.3
07/30/16 15 33.3 43.2

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

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