Alva, FL, United States · Saturday, December 5, 2026

Fixed Distance 50K

Caloosahatchee Ultra Run

66 days away

50 km Distance

not publishedn/a Climbing

2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

26.7156° N, 81.6101° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~19 Tiny. You will run alone for most of it.

DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, December

Daytime high 23°C

Night low 15°C

Rainfall Mostly dry

Daylight 10 h 33 m of light

Regional 2001-2020 average for December — NASA POWER, grid elevation 6 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	19	Anthony Parillo · 05:54:37	Britta Devitt · 08:15:45
2024	50km	33	Matthew Veretto · 04:45:35	Renee Bortels · 05:51:58
2019	50km	33	Aubrey Aldy · 03:52:30	Molly Worth · 06:21:03
2018	50km	22	Vince Molosky · 04:41:12	Glendy Pena Weffer · 06:00:34
2017	50km	23	Cole Crosby · 03:59:05	Stephanie Bland · 05:20:20
2016	50km	42	Vince Molosky · 04:16:24	Krystle Martinez · 06:03:16
2015	50km	31	Vince Molosky · 04:26:16	Danielle Zemola · 06:05:43
2014	50km	38	Luis Barrios · 04:48:08	Michelle Matys · 05:10:39
2013	50km	20	Dave James · 04:39:00	Deanna Johnson · 06:31:00

The field shrank 42% between 2024 (33) and 2025 (19). 21% of the 2025 field were women.

DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail.

Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 50 km, without the bounce.
GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Tailwind