Race Guides
Course breakdowns, training tips, and everything you need to know for popular endurance events.
Marathons
Athens Marathon. The Authentic
Run the original marathon course, from Marathon to Athens, where it all began.
Berlin Marathon
The world's fastest marathon course, finishing through the Brandenburg Gate.
Big Sur International Marathon
The most scenic marathon on Earth, along California's breathtaking Highway 1.
Boston Marathon
The world's oldest annual marathon and the one every runner dreams of qualifying for.
Chicago Marathon
The fastest flat course through the heart of the Windy City.
Copenhagen Marathon
A pan-flat city loop through Copenhagen's most charming neighborhoods and royal landmarks.
Edinburgh Marathon
A fast, net-downhill marathon from Edinburgh's historic heart to the East Lothian coastline.
Gold Coast Marathon
One of the world's fastest and flattest marathon courses, set along Australia's stunning surf coast.
Honolulu Marathon
Run a marathon in paradise, starting under the stars and finishing on the beach.
London Marathon
A flat, fast tour of London's most iconic landmarks with unrivaled charity spirit.
Los Angeles Marathon
Stadium to the sea -- run from Dodger Stadium to the Santa Monica Pier.
Marine Corps Marathon
The People's Marathon -- no prize money, just honor and the spirit of the Marines.
New York City Marathon
The world's largest marathon, running through all five boroughs of New York City.
Reykjavik Marathon
The world's northernmost capital marathon, run during Reykjavik's vibrant Culture Night celebration.
San Francisco Marathon
Cross the Golden Gate Bridge through the fog on one of America's most challenging and iconic urban marathon courses.
Sydney Marathon
Cross the Harbour Bridge and finish at the Opera House in Australia's emerging World Marathon Major.
Tokyo Marathon
A spectacular tour of Tokyo's contrasts, from neon-lit Shinjuku to the serene Imperial Palace.
Vancouver Marathon
A Boston-qualifying course through Stanley Park with mountain and ocean views at every turn.
Half Marathons
Disney Princess Half Marathon
Run through the magic -- a half marathon through Disney's enchanting theme parks.
Great North Run
The world's largest half marathon, from Newcastle to the North Sea.
RBC Brooklyn Half Marathon
Brooklyn's biggest race, from Prospect Park to the Coney Island boardwalk.
United Airlines NYC Half Marathon
From Brooklyn to Manhattan, through Times Square and into Central Park.
Triathlons
Challenge Roth
The world's largest long-distance triathlon with 300,000 spectators lining the course.
Escape from Alcatraz Triathlon
Jump off a boat near Alcatraz Island and swim to shore -- if you dare.
IRONMAN 70.3 Switzerland
Swim in Lake Zurich, ride through the Swiss countryside, and run to one of triathlon's most memorable finishes.
Ironman 70.3 World Championship
The world championship of half-distance triathlon, held at a new iconic venue each year.
Ironman Florida
A fast, flat Ironman on the Gulf Coast -- ideal for first-timers and PR chasers.
IRONMAN Klagenfurt
A warm-water lake swim and Alpine scenery make this one of Europe's most beloved full-distance triathlons.
Ironman Lake Placid
A classic Ironman in the Olympic mountain town of Lake Placid.
Ironman World Championship Kona
The pinnacle of triathlon -- where legends are made on the lava fields of Kona.
Noosa Triathlon
Australia's biggest triathlon on the stunning Sunshine Coast.
Wildflower Triathlon
The Woodstock of triathlon -- a legendary festival-style race at Lake San Antonio.
Cycling
Cape Town Cycle Tour
The world's largest individually timed cycling event, around the Cape Peninsula.
Gran Fondo New York
The world's most international gran fondo, from the George Washington Bridge through the Hudson Valley.
L'Etape du Tour
Ride a real Tour de France mountain stage on closed roads with 15,000 fellow cyclists.
RideLondon
London's premier 100-mile cycling festival on closed roads through the city and Essex.
Ultramarathons
Comrades Marathon
The world's greatest ultramarathon -- 90 kilometers between Durban and Pietermaritzburg.
Leadville Trail 100 Run
The Race Across the Sky -- 100 miles at altitude through the Colorado Rockies.
Ultra-Trail Australia
A brutal 100-kilometer trail race through the UNESCO-listed Blue Mountains west of Sydney.
Ultra-Trail du Mont-Blanc
The ultimate mountain ultra -- a circumnavigation of Mont Blanc through three countries.
Western States 100-Mile Endurance Run
The world's oldest 100-mile trail race, from Squaw Valley to Auburn through the Sierra Nevada.