62 races
ASICS Los Angeles Marathon
7 Mar 2027
Los Angeles, United States
A Los Angeles city marathon described as running from Stadium to the Stars, scheduled for March 7, 2027.
United Airlines NYC Half
14 Mar 2027
New York, United States
A half marathon from Brooklyn to Central Park, with the 2027 date listed as March 14 by one source and March 21 by another.
Chuckanut 50K
20 Mar 2027
Bellingham, United States
A classic 50K from Fairhaven Park in Bellingham through the Chuckanut Mountains and Larrabee State Park, with about 5,000 ft of climbing.
Georgia Death Race
27–28 Mar 2027
Dahlonega, United States
A 60-mile point-to-point from Vogel State Park to Amicalola Falls through the north Georgia mountains, with extreme climbing and descent.
Gorge Waterfalls 100K
9–11 Apr 2027
Cascade Locks, United States
A scenic 100K, 50K and 25K weekend in the Columbia River Gorge past Oregon's best-known waterfalls, starting at Cascade Locks.
Lake Sonoma 100K
10 Apr 2027
Healdsburg, United States
A Western States qualifying 100K, 50K and women's half marathon around Lake Sonoma in California wine country on April 10, 2027.
Zion Ultras
10–11 Apr 2027
Apple Valley, United States
A desert mesa ultra near Zion National Park in southern Utah with a 100 mile, 100K, 60K, 30K and half marathon, starting at Ruby Rider Ranch on April 10, 2027.
Boston Marathon
19 Apr 2027
Boston, United States
The world's oldest annual marathon, from Hopkinton to Boston's Boylston Street on Patriots' Day. The 2027 race is April 19, with entry by qualifying time or charity.
Canyons Endurance Runs by UTMB
22–25 Apr 2027
Auburn, United States
UTMB World Series race through the Sierra Nevada foothills around Auburn, with 100M, 100K, 50K and 25K.
Big Sur International Marathon
25 Apr 2027
Carmel, United States
A coastal highway marathon on California's Highway 1, past Bixby Bridge to Carmel, with shorter races, scheduled for April 25, 2027.
Miwok 100K
1 May 2027
Mill Valley, United States
A 100K loop through the Marin Headlands and Mount Tamalpais coast, a Western States qualifier with big ocean views and about 12,000 ft of climbing.
Cocodona 250
2–7 May 2027
Flagstaff, United States
A 253-mile non-stop run across Arizona from Black Canyon City to Flagstaff with 38,943 ft of gain and a 125 hour limit.