Sponsored by:  

Have an event to List?
Whether a race, special group ride, training opportunity, or cycling-related community event, the 303 calendar showcases it all.  To have an event posted here please follow this link:  Event Policy Submission & Guidelines.

Loading Events

← Back to Events

Without Limits Productions

http://www.withoutlimits.co/

May 2019

Boulder Stroke & Stride Series

May 30
|Recurring Event (See all)

An event every week that begins at 12:00am on Thursday, repeating until August 1, 2019

Boulder Reservoir Boulder, CO United States + Google Map

Boulder Reservoir   The Boulder Stroke & Stride enters its 18th season in 2019, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 9 Thursday evenings throughout the summer. Many participants make their open-water swimming debut in the beginner-friendly Stroke & Stride 750 meter swim. 250-400 participants enjoy the Stroke & Stride every week! Live timing, great post race food,…

Find out more »

June 2019

ColoradoTriathlon

June 1
Boulder Reservoir Boulder, CO United States + Google Map

Boulder Reservoir   ALREADY 42% SOLD OUT AS OF 12/28/2018! Who's ready to kick off the 2019 season?! The Colorado Triathlon is where Colorado comes to race on June 1st, 2019! The Colorado Triathlon - sprint & olympic distances, duathlon & aquabike options. To make the "can't miss" event of the season, we'll also have: amazing food and beverages provided by Noodles & Co., Ska Brewing Beer Garden, athlete full zip sweat shirts, and the best swag bag of the…

Find out more »

Boulder Stroke & Stride Series

June 6
|Recurring Event (See all)

An event every week that begins at 12:00am on Thursday, repeating until August 1, 2019

Boulder Reservoir Boulder, CO United States + Google Map

Boulder Reservoir   The Boulder Stroke & Stride enters its 18th season in 2019, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 9 Thursday evenings throughout the summer. Many participants make their open-water swimming debut in the beginner-friendly Stroke & Stride 750 meter swim. 250-400 participants enjoy the Stroke & Stride every week! Live timing, great post race food,…

Find out more »

Boulder Stroke & Stride Series

June 13
|Recurring Event (See all)

An event every week that begins at 12:00am on Thursday, repeating until August 1, 2019

Boulder Reservoir Boulder, CO United States + Google Map

Boulder Reservoir   The Boulder Stroke & Stride enters its 18th season in 2019, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 9 Thursday evenings throughout the summer. Many participants make their open-water swimming debut in the beginner-friendly Stroke & Stride 750 meter swim. 250-400 participants enjoy the Stroke & Stride every week! Live timing, great post race food,…

Find out more »

XTERRA Lory

June 15
Horsetooth Reservoir, 4200 Cr-38e.
Ft Collins, CO United States
+ Google Map

Horsetooth Reservoir   ALREADY 54% SOLD OUT AS OF 12/28/2018! XTERRA Lory Triathlon on June 15th is the perfect kick off to the year for the seasoned off-road triathlete, or a great opportunity for the road triathlete wanting to try out a mountain bike triathlon for the first time. The XTERRA Lory Triathlon features a 1/2 mile swim in the clear waters of Hrosetooth Reservoir (Eltuk Bay), it's one of the most scenic swims in the state with canyon walls…

Find out more »

Boulder Stroke & Stride Series

June 20
|Recurring Event (See all)

An event every week that begins at 12:00am on Thursday, repeating until August 1, 2019

Boulder Reservoir Boulder, CO United States + Google Map

Boulder Reservoir   The Boulder Stroke & Stride enters its 18th season in 2019, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 9 Thursday evenings throughout the summer. Many participants make their open-water swimming debut in the beginner-friendly Stroke & Stride 750 meter swim. 250-400 participants enjoy the Stroke & Stride every week! Live timing, great post race food,…

Find out more »

TriBella Women’s Triathlon

June 22
Cherry Creek Reservoir Denver, CO United States + Google Map

Cherry Creek Reservoir   ALREADY 35% SOLD OUT AS OF 12/28/2018! The TriBella Women's Triathlon, presented by Coeur Sports, is the perfect all women's triathlon for first time triathletes looking to try the sport out, or seasoned veterans looking for a fun season opener to compete alongside friends and family! We'll be offering two distances; the traditional sprint distance (1/2m Swim, 10m Bike, 3.1m Run), plus a super sprint distance (1/4m Swim, 8m Bike, 2m Run). Women's cut technical t-shirts,…

Find out more »

Boulder Stroke & Stride Series

June 27
|Recurring Event (See all)

An event every week that begins at 12:00am on Thursday, repeating until August 1, 2019

Boulder Reservoir Boulder, CO United States + Google Map

Boulder Reservoir   The Boulder Stroke & Stride enters its 18th season in 2019, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 9 Thursday evenings throughout the summer. Many participants make their open-water swimming debut in the beginner-friendly Stroke & Stride 750 meter swim. 250-400 participants enjoy the Stroke & Stride every week! Live timing, great post race food,…

Find out more »

July 2019

Boulder Stroke & Stride Series

July 4
|Recurring Event (See all)

An event every week that begins at 12:00am on Thursday, repeating until August 1, 2019

Boulder Reservoir Boulder, CO United States + Google Map

Boulder Reservoir   The Boulder Stroke & Stride enters its 18th season in 2019, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 9 Thursday evenings throughout the summer. Many participants make their open-water swimming debut in the beginner-friendly Stroke & Stride 750 meter swim. 250-400 participants enjoy the Stroke & Stride every week! Live timing, great post race food,…

Find out more »

Boulder Stroke & Stride Series

July 11
|Recurring Event (See all)

An event every week that begins at 12:00am on Thursday, repeating until August 1, 2019

Boulder Reservoir Boulder, CO United States + Google Map

Boulder Reservoir   The Boulder Stroke & Stride enters its 18th season in 2019, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 9 Thursday evenings throughout the summer. Many participants make their open-water swimming debut in the beginner-friendly Stroke & Stride 750 meter swim. 250-400 participants enjoy the Stroke & Stride every week! Live timing, great post race food,…

Find out more »

Boulder Peak

July 14
Boulder Reservoir Boulder, CO United States + Google Map

Boulder   The Boulder Peak Triathlon, Duathlon & Aquabike on July 14th is one of the countries longest and most well-known triathlons. For the veteran or first time racer, this is THE can't miss event of the summer triathlon season, and the crown jewel of the Colorado Triathlon Series. Racers are tackling the infamous "Olde Stage" Hill, boasting on average 15% grade on their way to the finish line! This race has earned it's spot on more than a couple…

Find out more »

Boulder Stroke & Stride Series

July 18
|Recurring Event (See all)

An event every week that begins at 12:00am on Thursday, repeating until August 1, 2019

Boulder Reservoir Boulder, CO United States + Google Map

Boulder Reservoir   The Boulder Stroke & Stride enters its 18th season in 2019, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 9 Thursday evenings throughout the summer. Many participants make their open-water swimming debut in the beginner-friendly Stroke & Stride 750 meter swim. 250-400 participants enjoy the Stroke & Stride every week! Live timing, great post race food,…

Find out more »

Boulder Stroke & Stride Series

July 25
|Recurring Event (See all)

An event every week that begins at 12:00am on Thursday, repeating until August 1, 2019

Boulder Reservoir Boulder, CO United States + Google Map

Boulder Reservoir   The Boulder Stroke & Stride enters its 18th season in 2019, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 9 Thursday evenings throughout the summer. Many participants make their open-water swimming debut in the beginner-friendly Stroke & Stride 750 meter swim. 250-400 participants enjoy the Stroke & Stride every week! Live timing, great post race food,…

Find out more »

Parker Open Water Swim

July 27
Rueter-Hess Reservoir Castle Rock, CO United States + Google Map

Parker   ALREADY 65% SOLD OUT AS OF 12/28/2018! This open water swimming oasis has been the hottest venue in Colorado since our first open water swim back in 2016. Who's ready for round 3? Don't delay, last year we sold out in just a few months! The course will be set up as a 1.2 mile out and back, with the option to swim two laps for a 2.4 mile swim. We'll also have a 1/2 mile swim option…

Find out more »

August 2019

Boulder Stroke & Stride Series

August 1
|Recurring Event (See all)

An event every week that begins at 12:00am on Thursday, repeating until August 1, 2019

Boulder Reservoir Boulder, CO United States + Google Map

Boulder Reservoir   The Boulder Stroke & Stride enters its 18th season in 2019, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 9 Thursday evenings throughout the summer. Many participants make their open-water swimming debut in the beginner-friendly Stroke & Stride 750 meter swim. 250-400 participants enjoy the Stroke & Stride every week! Live timing, great post race food,…

Find out more »

Steamboat Triathlons

August 11
Lake Catamount Steamboat Springs, CO United States + Google Map

Steamboat Springs   Sprint Distance Triathlon, Olympic Distance Triathlon, Olympic Distance Aquabike, Olympic Distance Duathlon, & NEW Stand-Up Paddle-Board Options The Steamboat Triathlon features a sprint distance, olympic distance, aquabike, Olympic distance duathlon, & NEW stand-up paddle-board options. The swim starts off in the picturesque Lake Catamount. Triathletes will the quickly transition to the bike course with amazing views of the Yampa Valley and River! The olympic distance course will take athletes out to the historic Howelsen, while the sprint…

Find out more »

Outdoor Divas Women’s Triathlon

August 18
Union Reservoir Longmont, CO United States + Google Map

Longmont   The 11th annual Outdoor Divas Sprint Triathlon on August 18th, awarded best women's event in Colorado by Competitor Magazine, is the all women's triathlon you've been waiting for! We intentionally keep the race cap low at 600 women to create a fun, festive, yet intimate racing environment. Great goodie bags, one of our biggest expos of the year, a ton of raffles, and a completely closed race course are just some of the highlights. Due to the low…

Find out more »

September 2019

Harvest Moon Long Course

September 15
Boulder Reservoir Boulder, CO United States + Google Map

Boulder   The Harvest Moon Triathlon the 20th edition of this event takes place at the beautiful Boulder Reservoir on September 15th, 2019. Est. in 2000 this Colorado classic provides the veterans to beginners a challenging, affordable, and competitive race with a local flavor. Whether this is your final event of the season, or a tune-up for a fall long course triathlon, don't miss the Harvest Moon! The Aquabike portion is one of the fastest growing Aquabikes in the nation,…

Find out more »

Oktoberfest Sprint

September 22
Union Reservoir Longmont, CO United States + Google Map

Longmont   The 12th annual Oktoberfest Triathlon on September 22nd, 2019, is the party of the season and also a 2019 Mountain Collegiate Conference Race! As the leaves change color this race will officially end the Colorado Triathlon Season! It's been a long fun season but before the snow begins to fall let's get one more triathlon celebration in. The Oktoberfest Triathlon is about friends and teammates, smiling and cheering. Men's or woman's cut technical t-shirts are back. Great goodie…

Find out more »
+ Export Events