10k Runs in Middlesbrough

Whether you're looking for a fast 5k or a scenic 10k, the Colorado Run has got you covered. Walk, jog or run your way along Horsetooth Reservoir and take in the beautiful views of Fort Collins or chase that PB on the fast and flat 5k course through Spring Canyon Park. 

Green Events

Colorado Run

Discover the historic town of Fort Collins at this iconic racing event. Tour the town on the full 13.1 mile course, chase your next PR on the downhill 10k course or race the trolley along Mountain Avenue on the 5k route. 

Human Race

Enjoy a fun day and a tough challenge at the All-Out Beat the Heat. With four distances and plenty of post-race activities, this is a great day out for the whole family. Take on the challenge and get plenty of goodies!

All-Out Multicourse Productions

All-Out Beat the Heat

This spring race features a spectator-friendly Half Marathon, 10k, and 5k course. Attracting athletes from all over the west due to its phenomenal scenery, glamorous finisher medals, perfect running temperatures with many nearby Boulder attractions to enjoy after the race.

BBSC Endurance Runs

Boulder Rez Half Marathon

Celebrate Spring time at this annual half marathon event. Participants have three distances to choose from, starting at 5k all the way up to 13.1 miles. Run solo or bring a group of friends and enjoy a fun day out!

3W Races

Spring Fling Prairie Dog Half, 10k & 5k - Arvada

Run, jog, walk or dance through downtown Vancouver in Canada's biggest 10k road race! Watch landmarks like Stanley Park and Cambie Street Bridge roll by as you listen to live music and enjoy the spring sunshine!

Capstone Races

Vancouver Sun Run

These 5k, 10k and Half Marathon courses will follow Van Bibber Creek Trail west through Arvada’s open spaces with spectacular views of the countryside and Table Mountain.

All-Out Summer Breeze Half Marathon, 10k & 5k

This Fathers Day classic is the perfect way to celebrate the man of the house. Everyone is welcome - walkers, joggers and speed demons, too! Swag includes t-shirts for ALL participants! 

Fathers Day Classic 5k, 10k, 1 Mile

The Boulder Sunrise 10k & 5k Run is known for being one of the most scenic courses around. BBSC will provide runners with a supported course.  This race is in conjunction with the Boulder Sunrise Triathlon. 

Boulder Sunrise 10k & 5k Run

We all have our own heroes, and on the 4th of July, you can replicate them at Let Freedom Run. Tackle either the 5k or 10k courses in Louisville where runners will fly across a mix of parkland and streets, making for an action-packed Independence day - there's also a fun run for kids. 

Let Freedom Run 10k, 5k and Fun Run

Centrally located between Denver &amp; Boulder at Westminster’s award-winning City Park, the beauty of the breathtaking Flatirons as a backdrop will inspire you every step of the way.

All-Out Annual Dog Days Half Marathon, 10k & 5k

Discover the Boulder Reservoir in all its glory on this scenic marathon route, made primarily of dirt roads and trails. The course is flat with only 200 feet of gain and provides incredible views of the Boulder Reservoir and Rocky Mountains.

Boulder Rez Marathon

The Boulder Sunset Run is part of BBSC’s biggest endurance event of the summer. Both the 5k and 10k courses are fast, flat and beautiful with views of the Boulder Reservoir Dam and a slight downhill sprint to the finish. 

Boulder Sunset 10k & 5k Run

Support St. Jude Children's Research Hospital by taking part in this running event around Wash Park in Denver. You can choose between a 5k, 10k, or 15k race. After your run, enjoy your hot chocolate bowl filled with many treats like a banana, warm hot chocolate and other yummy snacks. 

Allstate Hot Chocolate

Hot Chocolate 5k, 10k, & 15k – Denver

Run the streets & trails of Boulder and enjoy a spectacular downtown finish! Known as the happiest city in America, Boulder's streets serve as one of the great training grounds for Olympians, world-class athletes, and leisure runners alike. Experience it for yourself!

Run Boulder Events

Boulderthon

Take part in this Marvel-themed 5k and 10k running event for runners of all abilities. Whether you are a seasoned athlete or a complete beginner, this well supported event is inclusive of any ability.

The Endgame Run

Rattler was created to feature one of Colorado Spring’s best city parks, Palmer Park. Runners will enjoy views of the city and Pikes Peak from the sandstone bluffs, while running all of the best trails the park has to offer! Even though the course does not have much vertical gain, it will test runners with its technical trails. The start and finish line is located at Maizeland and Academy. Come out and enjoy this amazing trail system, right in the heart of the city!

Mad Moose Events

Rattler Trail Race

Be part of this summer running event in Oak Point Park and Nature Reserve. Stick around for the awards ceremony and enjoy activities for the kids, lots of goodies in our sponsor village, ice-cold beer, and of course...watermelon.

Run Project

Melon Dash

Ultra Expeditions

Piney Woods Ultra

Bobcat Trail Races was created to feature one of Colorado Springs' best city parks, Palmer Park.  Runners will enjoy views of the city and Pikes Peak from the sandstone bluffs, while running all of the best technical trails the park has to offer!

Bobcat Trail Races

Run a half marathon this Spring over bridges and through West Dallas neighborhoods. This course will provide you with beautiful views that highlight the local community. Enjoy a free Yuengling Flight beer, a DJ, and free food at the after-party once you've finished. 

Skyline Half Marathon

Start Independence Day off right, break some sweat and join in the fun at the second annual Keller Firecracker 5k - and also introducing the new Firecracker 10k. The course starts and finish around the City Hall Building, your finisher's medal and post-race party waits for you at the finish line. 

Dallas Athletes Racing

Keller Firecracker 5k & 10k

Feel the heat in this 5k and 10k running event in Norbuck Park, Dallas. There will be plenty of hydration, ice cold towels and cool beer at the finish to keep you cool in the heat. This is the perfect race to test your training and endurance.

Too Hot To Handle

Run along the Brazos River, through Cameron Park, East Brazos Park, and Washington Bridge in this well-loved running event. Celebrate your finish at the finish line festival with good friends and free beer, an after-party.

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