Thin Blue Line Charity Run @ Klamath Falls, OR, United States on 13 May 2023

In association with National Police week, we are bringing people together for a 5k/10k run to support and interact with our local law enforcement, all while raising money for a great cause!

The thin blue line is an image that represents the men and women who have chosen to stand in the gap to protect […]

Beast Race @ Knockburn Sports Loch, Strachan, Scotland, United Kingdom on 23 September 2023

BEAST yourself on an epic 10km obstacle course race over tough Scottish terrain. Mega obstacles; giant water slides; icy loch water; thick mud & swamp crossings – it’s the ultimate team or solo challenge. Test your stamina at Scotland’s ‘beastliest’ obstacle race.

Motor Motor Trail Runs @ Motor Mill Historic Site, Elkader, Iowa, United States on 18 March 2023

The Motor Motor 5K/10K Trail Run will enjoy its sixth year in 2023. Last year’s race welcomed 92 participants from all over the region, and we hope this is the year we finally tip into the three digit club! So register today, tell a friend, help them train, and come enjoy a beautiful late winter […]

HarryMan Half Triathlon @ Harriman State Park, Stony Point, NY, United States on 13 May 2023

The HarryMan provides some of the best endurance challenges for the multi-sport athlete, and offers both Half and Olympic distance events (including Relay and Aquabike categories). The HarryMan is one of the most challenging early-season courses in the North East.

Muddy Dog Challenge Derby @ Locko Park, Derby, England, United Kingdom on 13 May 2023

The Muddy Dog Challenge Derby is a 2.5K and 5K obstacle course that you can take on with your dog by your side. Whether you’re keen to run, or would rather walk, you can tackle the course with friends and family, with or without a dog. Just prepare yourself for a day of mud, sweat, […]

Muddy Dog Challenge New Forest @ Breamore House, Fordingbridge, England, United Kingdom on 22 April 2023

The Muddy Dog Challenge Leeds is a 2.5K and 5K obstacle course that you can take on with your dog by your side. Whether you’re keen to run, or would rather walk, you can tackle the course with friends and family, with or without a dog. Just prepare yourself for a day of mud, sweat, […]

Go Wild! Lime Ridge 2 Hour @ Lime Ridge Open Space Boundary Oak Trailhead, Walnut Creek, CA, United States on 28 January 2023

Enjoy a trail and wilderness scramble among the majestic oaks, quarries, and grasslands of Lime Ridge Open Space. In teams of 1 to 5, use a custom map to find up to 20 checkpoints along the trails and in the wilds in 2 hours. Enjoy socializing and refreshments at the finish!

Grasmere Gallop Marathon @ The Sports Field, Stock Lane, Grasmere, England, United Kingdom on 04 June 2023

Grasmere Gallop has teamed up with the OMM Festival for an epic outdoor weekend in the Lake District, UK.

There’s an event to suit every age and ability, from the teddy bear dash to the fully waymarked Grasmere Gallop trail races and the adventure trail races of the OMM Lite, whether you are looking to […]

The Mid Sussex Marathon Weekend 2023 @ East Grinsted Rugby Club, East Grinstead, England, United Kingdom on 29 April 2023

Now in its 12th successive year, the ever popular The Mid Sussex Marathon takes place over the first May bank holiday weekend.

This 3 day event will commence in East Grinstead on Saturday 29th April, moves to Haywards Heath on Sunday 30th April and finishes in Burgess Hill on Monday 1st May. Whether it’s your […]

North Downs Run @ Cyclopark, Gravesend, England, United Kingdom on 25 June 2023

A challenging multi-terrain link of approximately 30k using established tracks and lanes over the beautiful North Downs, starting from our Race HQ at Cyclopark. Chip Timing. T-shirt and medal for all finishers.

El Segundo PTA Big 5 Run for Education 5K/10K @ Library Park/El Segundo High School, El Segundo, California, United States on 22 April 2023

5K Run/Walk is an easy-to-moderate hill course loop through local neighborhoods. The 10K Run essentially runs the 5K loop twice. USA Track and Field (USATF) Sanctioned Event (23-33-140466) with Certified Courses (CA21007TEB and CA21021TEB). USATF Southern California Association (SCA) 2023 Road Running Grand Prix Series Event. Chip timing. Mile markers. Multiple water stations. 1K Fun […]

ARCHIVED RACE: 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 […]

ARCHIVED RACE: 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 […]

ARCHIVED RACE: 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 […]

ARCHIVED RACE: 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 […]

ARCHIVED RACE: 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 […]

ARCHIVED RACE: 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!

ARCHIVED RACE: 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 […]

ARCHIVED RACE: 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.

ARCHIVED RACE: 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 […]