Head for the Hilltop 5K and Kids Fun Run @ Hilltop Hanover Farm, Yorktown Heights, NY, United States on 20 November 2022

Join us for a fun day racing around the Farm and the surrounding scenic trails, on what we hope will be a beautiful Fall day. Stick around afterwards for apple cider and donuts. Winners of the races will get to take home our biggest winter squashes. Sign-up soon and check out Hilltop like you’ve never […]

Race For Open Space @ Fox Hill Nature Preserve, West Bend, Wisconsin, United States on 16 October 2022

Enjoy the fall colors on the beautiful rolling trails of the Cedar Lakes Conservation Foundation’s Fox Hill Nature Preserve in West Bend, Wisconsin. Help support the conservation of open space in the Cedar Lakes region by joining our 5k run, 10k run, or 1-mile walk through deciduous forest, restored prairieland, and glacial moraine. You may […]

Mt. Madonna Scramble 2 Hour @ Mt. Madonna County Park, Watsonville, CA, United States on 16 October 2022

Enjoy a trail and wilderness scramble among the majestic redwoods, tan oaks, and Miller Estate ruins at Mount Madonna County Park. In teams of 1 to 5, use a custom map to find as many of the 20 checkpoints along the trails and in the woods as you can in 2 hours. Enjoy socializing at […]

Gaelforce 10K Howth Summit @ Howth Ireland, Wicklow, Co. Wicklow, Ireland on 15 October 2022

A CITY TRAIL LIKE NO OTHER This is city trail running, but not as you know it. Starting at Howth Castle and taking in the summit of Howth Hill, sweeping views, varied terrain and a satisfying climb which will keep you on track.

Why not find out why Lonely Planet calls this one of […]

Hendy Woods Trail Scramble 2 Hour @ Azalea Campground, Hendy Woods State Park, Hendy Grove, CA, United States on 06 November 2022

Enjoy a trail scramble among the majestic redwoods of Hendy Woods State Park. Discover the legend of a hermit and see his huts! In teams of 1 to 5, use a custom map to find as many of the 20 checkpoints along the trails as you can in 2 hours. Share refreshments & socializing at […]

Pleasant Valley Aquathlon and 5K @ Pleasant Valley Pool, Chantilly, VA, United States on 10 September 2022

Come out for summer fun at the Pleasant Valley Pool. Enjoy a refreshing pool swim and run with our Swim/5K Aquathlon or skip the water and stay dry with a 5K Fun Run!

Proceeds directly support the Pleasant Valley Pool in Chantilly! We’ve also partnered up with two great non-profit charity partners which you can […]

SRLA 10k @ La Puente main Street, La Puente, CA, United States on 23 October 2022

Run with us to celebrate the strength of our bodies, the strength of our minds, and the strength of our community 💪 Challenge yourself to the full 10K or take it easy with the La Puente 5K. Either way, we can’t wait to see you there!

S.F. Golden Gate Heights Find-Your-Way 5K & 90 Minute Scramble @ The Game Parlour, San Francisco, CA, United States on 17 September 2022

Discover the quirks and wonders of Golden Gate Heights, its parks, views, decor, and history. Choose between a 5k where you plan the route or a 90 minute scramble where you find as many of the 36 checkpoints as you can. Teams of 1 to 5 will use a custom map to navigate from checkpoint […]

Amica Insurance Seattle Marathon and Half Marathon @ Seattle, WA, United States on 26 November 2022

The Amica Insurance Seattle Marathon, Seattle’s original hometown marathon and the oldest marathon in the Pacific Northwest, is set on a beautiful course with rolling hills and scenic views of Seattle’s bridges, waterways and architecture. Take part in this iconic Thanksgiving weekend tradition and see why we’ve been running Seattle since 1970.

Haunted Village 5K, 10K Point Richmond @ Up & Under Pub and Grill, Richmond, CA, United States on 29 October 2022

Trick or treating for adults (and families) in teams of 1 to 5! Bring a headlamp or flashlight, and adventure through the wickedly decorated neighborhoods of Point Richmond, finding awesome displays, and answering simple multiple choice questions about each… about 20 checkpoints on the 5k, 36 on the 10k. Enjoy refreshments & socializing at the […]

Coast to Coast 2022 @ Scottish Highlands, Nairn, Scotland, United Kingdom on 09 September 2023

For over 10 years, intrepid #ratracers have been taking on our original Scottish adventure race and falling in love with the wild hills of the Highlands. This breathtaking 105 mile route takes in some of the most mysterious and wild locations in Scotland, run bike and kayak* past the historic Cawdor Castle, the legendary Loch […]

The Isles Ultra 2023 @ Outer Hebrides, Scotland, United Kingdom on 28 September 2023

This 6-day running adventure traces a route the entire length of the inhabited isles of the Outer Hebrides, and passes through the most superlative coastlines, beaches, hillsides, sea and inland loch and river terrain in Scotland and the UK.

Firstly, it completes the 150-miles of the entire Hebridean Way, then on the 6th day, an […]

Ultra Tour of Arran 2023 @ Isle of Arran, Scotland, United Kingdom on 01 April 2023

They say Arran is Scotland in miniature. From dense forests and coastal scenery in the south to crumbling castles and dramatic mountains in the North, the Isle of Arran delights at every turn. Welcome to Ultra Tour of Arran – a 3 day off-road running adventure from Rat Race – The UK’s favourite adventure sports […]

The Mighty Deerstalker 2023 @ Innerleithen, Scotland, United Kingdom on 11 March 2023

If you’ve never experienced the eerie brilliance of this classic Rat Race event you need to grab yourself a spot on this startline as the legendary Mighty Deerstalker returns for a final farewell in 2023 after 15 incredible years.

Don your tweed and grab your pipe for the last lungbusting frolic in the hills and […]

ARCHIVED RACE: Hanley Economic Potters ‘Arf Marathon @ Upper Market Square, Stoke-on-Trent, Staffordshire, United Kingdom on 12 June 2022

The Potters ‘Arf is one of the most unique races in the UK. It has amazing Stokie support; places for all; a wonderful atmosphere at the city centre finish; medal, fantastic challenges and more! We want it to be a shining ray of hope in 2022.

The event includes a 13.1-mile race, as well […]

ARCHIVED RACE: Boise Front Trail Run @ Bogus Basin, Boise, ID, United States on 06 August 2022

Join us for the 8th annual Boise Front Trail Run. Come join us for an awesome morning of trails overlooking the beautiful Boise Front Mountain Range.

ARCHIVED RACE: S.F. Pacific Heights Find-Your-Way 5k & 90 Minute Scramble @ A Runner’s Mind, San Francisco, CA, United States on 21 May 2022

Discover the quirks and wonders of Pacific Heights, its parks, views, decor, and history. Choose between a 5k where you plan the route or a 90 minute scramble where you find as many of the 36 checkpoints as you can. Teams of 1 to 5 will use a custom map to navigate from checkpoint to […]

4th GlobalLimits Sao Tomé – The Hemisphere Crossing @ Sao Tomé, sao Tomé, Sao Tomé, Sao Tome and Principe on 17 February 2023

200 km – 6 stages

+6.000m / – 6.000m

The islands of São Tomé and Príncipe in the Gulf of Guinea offer a glimpse into forgotten plantations, elegantly built colonial houses, the spectacular tubular Pico Cão Grande, colorful natural beauty in the jungle, and unspoiled beaches.

The race is an unique challenge to run […]

ARCHIVED RACE: Staunton Rocks! Marathon & Half @ Staunton State Park, Conifer, Colorado, United States on 27 August 2022

Welcome to the Staunton Rocks! Marathon & Half, an event put on by trail runners for trail runners.

Touring the renowned singletrack of Staunton State Park in Colorado’s Front Range Mountains southwest of Denver, the race will take you back in time as you glide by historic buildings and old milling operations. The flowing trails […]

ARCHIVED RACE: Lory Summer Trail Series @ Lory State Park, Fort Collins, Colorado, United States on 09 August 2022

Join us each Tuesday evening in August for a fun series of shorter midweek trail races. Our goal is to offer a fun, low-key series of races designed to give newer trail runners an opportunity to dip their toes into the trail racing waters, and to offer more experienced trail racers a chance to sharpen […]

Black Squirrel Half Marathon @ Lory State Park, Fort Collins, Colorado, United States on 10 September 2022

The Black Squirrel Trail Half Marathon takes place on the wonderful trails of Lory State Park to the northwest of Fort Collins, CO.

The trail half marathon course offers a tour of the outer boundaries of Lory State Park, providing breathtaking views to the east of Horsetooth Reservoir, Fort Collins and the Great Plains; and […]

ARCHIVED RACE: Never Summer 100k/60k @ State Forest State Park, Gould, Colorado, United States on 29 July 2022

The Never Summer 100km & 60km will take place almost entirely within the boundaries of State Forest State Park and run between the Never Summer Mountains on the northern border of Rocky Mountain National Park (RMNP) and the Medicine Bow Mountains to the north of Cameron Pass.

The first 20 miles of each race will […]

Blue Sky Marathon @ Blue Sky Trailhead, Fort Collins, Colorado, United States on 15 October 2022

Welcome to the Blue Sky Marathon, Fort Collins’ original and only trail marathon.

Taking place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space, the course takes you on a north-south tour of the easternmost hogbacks of Northern Colorado’s mighty Front Range. With 3,500 feet of elevation gain and an equal […]

ARCHIVED RACE: Quad Rock 50/25mi @ Lory State Park, Fort Collins, Colorado, United States on 07 May 2022

Welcome to the Quad Rock 50 and 25 mile trail races, an event put on by trail runners for trail runners.

Taking place on the trails and hills west of Fort Collins in Lory State Park and Horsetooth Mountain Park, the Quad Rock 25/50 will take you on a tour of the Fort Collins skyline, […]

ARCHIVED RACE: Horsetooth Half Marathon @ New Belgium Brewery, Fort Collins, Colorado, United States on 10 April 2022

Welcome to the 49th running of the Horsetooth Half Marathon. Your race will take you on a scenic point-to-point journey from Hughes Stadium, the former home of the CSU Rams, to the finish line party at New Belgium Brewery. On the way you’ll tackle the challenging hills of Centennial Drive along the shorelines of the […]