River to Sea 12 Hour Race

Race completed

not publishedn/a Distance

not publishedn/a Climbing

not publishedn/a Grit

We hold no course length for this race — a timed or backyard event is measured by the clock, not the kilometre — so there is no Grit score to give you.

29.6697° N, 81.2138° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~36 Small. Long stretches with nobody in sight.

DUV results for the 2026 edition (12h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, August

Daytime high 31°C

Night low 24°C

Rainfall Wet — expect rain

Daylight 13 h 35 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 9 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	12h	36	Kyle Oakes · 96.657 km	Charise Parker · 80.547 km
2025	12h	28	Joey Bigler · 93.663 km	Peggy Ward · 90.767 km
2024	12h	29	Craig Booth · 103.963 km	Jill Paha · 81.915 km
2023	12h	57	Scott Defusco · 108.373 km	Lee Beem · 93.728 km
2022	12h	47	Eric Desimone · 90.316 km	Violetta Yazlovskaya · 116.967 km
2021	12h	51	Eduardo Souza · 108.856 km	Cheryl Sobering · 94.532 km
2020	12h	25	Joshua Gray · 94.001 km	Kirsten Hite · 85.456 km
2019	12h	43	Norbert Vakhal · 100.374 km	Kathleen Shoda · 78.214 km
2018	12h	36	Matthew Mueller · 89.946 km	Kerry Dulina · 84.731 km
2017	12h	56	Marc Burget · 115.872 km	Regina Sooey · 101.388 km

The field grew 29% between 2025 (28) and 2026 (36). 33% of the 2026 field were women.

DUV results for the 2026 edition (12h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.