Mountain Swim Series

Mountain Swim Series With the aim of promoting fitness and health through open water swimming.

The Mountain Swim Series offers flexibility, competition and an overall enjoyable swimming experience. We have FIVE open water swims this year, and we can't wait to see you out there.
-Sunday June 5th -- Chilly Chatfield
-Sunday June 19th -- Solstice Sunset
-Saturday July 16th -- Carter Lake Crossing
-Sunday July 31st -- Chatfield Classic
-Saturday August 27th -- Castle 5k/10k
Register Here: https://mountainswimseries.com/

All events will be supported by safety watercraft, lifeguards, and paramedics/EMTs.

Thanks for everyone that participated in our 2025 series this year!! We hope to see you again next summer!Big thanks to ...
09/15/2025

Thanks for everyone that participated in our 2025 series this year!! We hope to see you again next summer!
Big thanks to all of our volunteers who came out and supported the swims throughout the summer.

Thank you to everyone who swam and volunteered at Willow Creek Reservoir!!The final MSS Swims are coming up at Wellingto...
08/04/2025

Thank you to everyone who swam and volunteered at Willow Creek Reservoir!!
The final MSS Swims are coming up at Wellington Lake! We have the Castle 2.5K/5K/10K and the Swim/Run the following day. Lots of camping options when you register as well!
https://mountainswimseries.com/events/castle-10k

The Willow Creek Reservoir Swim is THIS SATURDAY August 2nd. We would love more volunteers to sign up! Sign up here: ht...
07/30/2025

The Willow Creek Reservoir Swim is THIS SATURDAY August 2nd. We would love more volunteers to sign up!
Sign up here: https://mountainswimseries.com/volunteer-signup

Willow Creek Reservoir Swim offers a 1-mile, 2-mile, and 5k option outside of Granby, Colorado!

Registration for Carter Lake Crossing closes on Wednesday July 16th at 11:59 PM. There are only a few spots left. As you...
07/13/2025

Registration for Carter Lake Crossing closes on Wednesday July 16th at 11:59 PM. There are only a few spots left. As you know, we are limited by a parking cap. If you log on and registration has closed due to reaching the maximum number of vehicles, please send us an email BEFORE Wednesday
Can't swim? We always need volunteers! Sign up on our website!!

Next up in the summer line up:July 19th Carter Lake CrossingAugust 2nd Willow Creek ReservoirAug 23rd Castle swims (camp...
06/25/2025

Next up in the summer line up:
July 19th Carter Lake Crossing
August 2nd Willow Creek Reservoir
Aug 23rd Castle swims (camping options available)
Aug 24th Wellington Swim Run Challenge!

Congrats to all of the swimmers who came out to Solstice Sunrise for the first swim of the series today! THANK YOU to al...
06/23/2025

Congrats to all of the swimmers who came out to Solstice Sunrise for the first swim of the series today! THANK YOU to all of our volunteers and safety crew!

We'll be doing a flash sale of all our previous Swim Shirts to clear out stock, bring cash to take some comfy swim shirt...
06/21/2025

We'll be doing a flash sale of all our previous Swim Shirts to clear out stock, bring cash to take some comfy swim shirts home on Sunday!

Looking forward to seeing everyone at Solstice Sunrise Swim this weekend! Check you emails for your Swimmer Info and vol...
06/21/2025

Looking forward to seeing everyone at Solstice Sunrise Swim this weekend! Check you emails for your Swimmer Info and volunteer emails! Big thank you to everyone who signed up to volunteer this weekend - you help make our swims possible!

Happy National Trails Day!This weekend is the registration deadline if you would like to guarantee a T-Shirt for yoursel...
06/08/2025

Happy National Trails Day!

This weekend is the registration deadline if you would like to guarantee a T-Shirt for yourself for the Solstice Sunrise Swim!

Photos of swimmers rocking the 2023 Solstice shirt!

Solstice Sunrise Swim is coming up on June 22nd!Distances:500-YD Swim (21 & Under)1.2 Mile Competitive Swim2.4 Mile Comp...
05/16/2025

Solstice Sunrise Swim is coming up on June 22nd!
Distances:
500-YD Swim (21 & Under)
1.2 Mile Competitive Swim
2.4 Mile Competitive Swim

Happy Mother's Day Weekend! Solstice Sunrise Swim is coming up on June 22!
05/11/2025

Happy Mother's Day Weekend!

Solstice Sunrise Swim is coming up on June 22!

We have an excellent line up of swims for the summer and we are continuing with the amazing shirts designed by Elliot La...
04/30/2025

We have an excellent line up of swims for the summer and we are continuing with the amazing shirts designed by Elliot Lang!!

Swim details can be found at our site: mountainswimseries.com

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Denver, CO

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