Himalayan 100 Mile Stage Race @ Singalila National Park, Darjeeling, India on 29 October 2026

35th Himalayan 100 Mile Stage Race, October 27 to November 03, 2026 .

Himalayan Run & Trek’s “Himalayan 100 Mile Stage Race” time and again has been described as the most spectacular running course in the world! Also described as “World’s Most Scenic and Challenging Endurance Race”. During the race, panoramic views of Mt. Everest, […]

Find-Your-Way 5K, 10K @ Hayes Valley Park, San Francisco, CA, United States on 22 August 2026

Discover the quirks and wonders of some of San Francisco’s historic neighborhoods and their parks, scenery, decor and history. Choose between a 5K and 10K challenge where you find up to 30 checkpoints. Teams of 1 to 5 will use a custom map to navigate from checkpoint to checkpoint, answering simple multiple choice questions at […]

Stan’s Donut 10K, 5K, and Kids Dash @ Soldier Field, 1410 Special Olympics Drive, Chicago, Illinois, United States on 18 July 2026

Join us for a milestone celebration at the 10th Anniversary Stan’s Donut 10K, 5K, and Kids Dash on Saturday, July 18, 2026, at Soldier Field in Chicago!

For ten sweet years, runners, walkers, families, and donut lovers have gathered for this one-of-a-kind event that blends fitness, fun, and flavor into an unforgettable race day experience. […]

Holiday Hustle 5K, 10K @ Valley Oak Park Picnic Shelter, Sacramento, CA, United States on 19 December 2026

In teams of 1 to 5, adventure through the wonderfully decorated neighborhoods of Sacramento’s Rockmont Circle and beyond, finding awesome holiday displays, and answering simple multiple choice questions about each… about 20 checkpoints on the 5K, 36 on the 10K. After the fun, return to some treats and socializing at the finish.

Holiday Hustle 5K,10K @ May Nissen Park, Livermore, CA, United States on 12 December 2026

In teams of 1 to 5, adventure through the wonderfully decorated neighborhoods of Livermore, finding awesome holiday displays, and answering simple multiple choice questions about each… about 20 checkpoints on the 5K, 36 on the 10K. The start occurs just as darkness is settling in, so headlamps or flashlights will be most helpful. After the […]

Haunted 5K, 10K @ East Portal Clubhouse, East Portal Park, Sacramento, CA, United States on 31 October 2026

Trick or treating for adults (and families) in teams of 1 to 5! Adventure through the wickedly decorated neighborhoods of East Sacramento’s Fab 40’s, 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 finish!

Go Wild! 2 Hr, 4 Hr @ Buckeye Picnic Area, Harvey West Park, Santa Cruz, CA, United States on 14 November 2026

Enjoy a trail and wilderness scramble among the open spaces of Santa Cruz, exploring redwood & mixed forests and meadows. 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 or 4 hours. Enjoy socializing and refreshments at the finish! […]

Haunted Corner 5K, 10K @ Pleasant Oaks Park Picnic Area #2, Pleasant Hill, CA, United States on 24 October 2026

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 Pleasant Hill’s Poet’s Corner neighborhood, finding awesome displays, and answering simple multiple choice questions about each… about 20 checkpoints on the 5k, 36 on the 10k. Enjoy refreshments & […]

Good Grief 5K, 5M @ Depot Park, Santa Rosa, CA, United States on 02 May 2026

Enjoy a fun tour of Santa Rosa’s statues of iconic characters from the Peanuts™comic strips. Choose between a 5K and 5M challenge where you find up to 23 statues. Teams of 1 to 5 will use a custom map to navigate from checkpoint to checkpoint, answering simple multiple choice questions at each. Enjoy refreshments & […]

Monterey Bay Mapathon & Half 26.2/13.1 @ Jewell Park Picnic Area, Pacific Grove, CA, United States on 19 April 2026

Explore the historical highlights and delightful views of the Monterey Peninsula in an epic way – a Mapathon (or Half)! A marathon distance of 26.2 miles “half” of 13.1 miles, with foot and foot+bike divisions. Teams of 1 to 5 will use a custom map to navigate a dozen or two-dozen checkpoints and 1 aid […]

Bay 2 Bankers 5K, 10K @ Jewell Park Picnic Area, Pacific Grove, CA, United States on 04 July 2026

For the 14th running of the Bay 2 Bankers, we have yet another never-been-done-before mystery theme celebrating the classic vibes of San Francisco, starting at Ghirardelli Square and meandering through some classic neighborhoods of the city. Teams of 1 to 5 will use a custom map to navigate from checkpoint to checkpoint. Enjoy refreshments & […]

Wild Goose Chase 5K, 10K @ Lime Ridge Open Space Boundary Oaks Trailhead Parking Lot, Walnut Creek, CA, United States on 21 February 2026

Trails, trails, trails, so many to choose from. Enjoy the majestic oaks, quarries, rocks, and labyrinths of Lime Ridge! But it’s not your typical 5K or 10K. The course isn’t marked! Follow a map to find 8 to 15 checkpoints, or maybe the person in front of you – if you trust where they’re going! […]

Mongolia Sunrise to Sunset @ Camp Toilogt, Hovsgol, Mongolia on 12 August 2026

Registration Opens for Mongolia Sunrise to Sunset 2026 – One of the World’s Most Beautiful and Remote Trail Ultras

-The 2026 race week will take place from August 9–15, 2026, with race day on August 12. -Early bird prices are available until December 31, 2025, on www.ms2s.org -Running for a reason. Protecting what we love: […]

Find-Your-Way 5K, 10K @ Doyle Hollis Park Picnic Site D, Emeryville, CA, United States on 21 March 2026

Discover the quirks and wonders of Emeryville and its parks, scenery, decor and history. Choose between a 5K and 10K challenge where you find up to 30 checkpoints. Teams of 1 to 5 will use a custom map to navigate from checkpoint to checkpoint, answering simple multiple choice questions at each. Enjoy refreshments & socializing […]

Go Wild! MTZ 2 Hr, 4 Hr @ Nancy Boyd Park, Martinez, CA, United States on 31 January 2026

Enjoy a trail and wilderness scramble among the open spaces of Martinez, with lovely views of the Carquinez Strait, the Delta, and the Diablo range. 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 or 4 hours. Enjoy socializing […]

Left My Heart in San Francisco @ La Boulangerie de San Francisco Noe Valley, San Francisco, CA, United States on 14 February 2026

A Valentine-themed adventure… there are lovely Hearts sculptures scattered around scenic spots in San Francisco’s neighborhoods. In teams of 1 to 5, you must find them, and a variety of other Valentine-themed spots! Answer a simple multiple-choice question at each checkpoint. Your custom-made map will help you find them all. Enjoy refreshments & socializing at […]

Against the Tide @ Hopkinton, MA, United States on 20 June 2026

Against the Tide Event Hopkinton Swim, Run, Walk

Against the Tide @ Brewster, MA, United States on 27 June 2026

Against the Tide Brewster Swim, Run, Walk

2nd GlobalLimits Peaks of the Balkans @ Theth, Albania on 11 September 2026

200km – 6 stages – 3 countries (Albania, Kosovo, Montenegro)

+ 12.400m / – 12.400m

A 200km Challenge Across Three Countries

Are you ready to take on the ultimate test of endurance?

Who are the first King or Queen of the Peaks of the Balkans?

GlobalLimits – Peaks of the Balkans is a thrilling race […]

South Bay Pop-up 5K, 10K Scramble @ Eagle Park, Mountain View, CA, United States on 29 June 2025

Enjoy a map-based 5K or 10K adventure around the parks, open spaces, and pathways of Mountain View, finding between 10 and 20 checkpoints. Choose your routes and then find your way, using your custom-made map to navigate. After finishing, socialize with your fellow travelers, and pick up a bonus map for a future adventure!

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East Bay Pop-up 5K, 10K Scramble @ Doyle Hollis Park Amphitheater, Emeryville, CA, United States on 31 May 2025

Enjoy a map-based 5K or 10K adventure around the parks, open spaces, and pathways of Emeryville, finding between 10 and 20 checkpoints. Choose your routes and then find your way, using your custom-made map to navigate. After finishing, socialize with your fellow travelers, and pick up a bonus map for a future adventure!

Go Wild! Marin 2 Hr, 4 Hr @ Cove Park Picnic Area, Corte Madera, CA, United States on 11 October 2025

Enjoy a trail and wilderness scramble among the open spaces of the Tiburon Peninsula. In teams of 1 to 5, use a custom map to find up to 24 checkpoints along the trails and in the wilds in 2 or 4 hours. Enjoy socializing and refreshments at the finish! This event is part of the […]

Holiday Hustle 5K, 10K @ Orchards Park Amphitheater, Walnut Creek, CA, United States on 13 December 2025

Adventure through the wonderfully decorated neighborhoods of Walnut Creek, finding awesome holiday displays, and answering simple multiple choice questions about each… about 20 checkpoints on the 5k, 36 on the 10k. The start occurs just as darkness is settling in, so headlamps or flashlights will be most helpful. After the fun, return to some treats […]

Holiday Hustle 5K, 10K @ East Portal Clubhouse, East Portal Park, Sacramento, CA, United States on 13 December 2025

Adventure through the wonderfully decorated old neighborhoods of Sacramento’s Mid-40s, finding awesome holiday displays, and answering simple multiple choice questions about each… about 20 checkpoints on the 5K, 36 on the 10K. After the fun, return to some treats and socializing at the finish.

Go Wild! Peninsula 2 Hr, 4 Hr @ Redwood City, CA, United States on 19 April 2025

Enjoy a trail and wilderness scramble among the Spring wildflowers, forests, and broad views of the ridgeline open spaces in Redwood City, San Carlos, and Belmont. In teams of 1 to 5, use a custom map to find up to 24 checkpoints along the trails and in the wilds in 2 or 4 hours. Enjoy […]