2025 Marathons

May 2025 Marathons

Your complete May 2025 marathon calendar. Find every marathon happening in May 2025 with comprehensive race details, registration information, and official results, including the Great Allegheny Ohiopyle Marathon (Pennsylvania), Shiprock Marathon (New Mexico), and Ghost of Tacoma Marathon (Washington).

Each marathon listing includes a 2025 marathon guide including dates, locations, course details, weather conditions, and relevant links for registration and more information. We maintain the most current results database, publishing official results on race day, plus complete 2024 results for year-to-year comparison.

Great Allegheny Ohiopyle Marathon

Ohiopyle, Pennsylvania

May 3, 2025

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The Great Allegheny Ohiopyle Marathon takes runners on a smooth, crushed limestone path through the breathtaking scenery of the Great Allegheny Passage, with minimal elevation changes perfect for a fast, flat run. Set in the picturesque town of Ohiopyle, this Boston Marathon qualifier combines natural beauty with a well-supported, community-driven race experience, complete with enthusiastic volunteers and lively post-race festivities.

Ghost of Tacoma Marathon

Tacoma, Washington

May 3, 2025

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The Ghost of Tacoma Marathon takes runners through the lush landscapes of Point Defiance Park, with its challenging 1800 feet of elevation gain and the iconic climb over a bridge at mile 2.5, all set against the breathtaking backdrop of the Pacific Northwest. As part of a unique weekend event that includes the Tacoma City Marathon, this race not only offers stunning natural vistas but also invites participants to engage in a weekend of diverse running challenges, complete with frequent water stops and energy gel stations for a well-supported experience.

Wisconsin Marathon

Kenosha, Wisconsin

May 3, 2025

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The Wisconsin Marathon in Kenosha features a mostly flat course along the picturesque shores of Lake Michigan, challenging runners with its occasional strong winds and rewarding them with stunning views and urban landscapes. Known as "The Cheesiest Marathon," this race combines a playful atmosphere with strong community support and the opportunity to qualify for the Boston Marathon, making it a memorable experience for both first-timers and seasoned marathoners.

Muddy River Marathon

Cape Girardeau, Missouri

May 3, 2025

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The Muddy River Marathon in Cape Girardeau, Missouri, offers runners a scenic loop course, weaving through iconic landmarks like the Bill Emerson Bridge and Old St. Vincent's Church, with a moderate elevation gain of 832 feet. This well-organized event, scheduled for May 3, 2025, combines community spirit and charity, having raised significant funds for local non-profits, making it a meaningful and rewarding experience for participants of all levels.

La Crosse Marathon

La Crosse, Wisconsin

May 4, 2025

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The La Crosse Marathon in Wisconsin features a dynamic course that combines urban streets and rural landscapes, with a challenging ascent known as "The Bluff" offering breathtaking views of the Mississippi River. This race is celebrated for its strong community spirit, with enthusiastic local support and a festive atmosphere that includes live music and a post-race celebration, making it a memorable experience for runners of all levels.

Lincoln Marathon

Lincoln, Nebraska

May 4, 2025

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The Lincoln Marathon features a predominantly flat course that meanders through charming neighborhoods and past iconic landmarks like the Nebraska State Capitol and Sunken Gardens, making it ideal for runners aiming for personal bests or Boston Marathon qualifications. Renowned for its community spirit, this race offers exceptional support with enthusiastic spectators and well-stocked aid stations, culminating in a memorable finish inside the University of Nebraska’s Memorial Stadium.

Flying Pig Marathon

Cincinnati, Ohio

May 4, 2025

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The Flying Pig Marathon takes runners on an exhilarating 26.2-mile journey through Cincinnati's vibrant neighborhoods and over the challenging bridges of the Ohio River, with a notable climb from miles 5 to 8. Held annually on the first Sunday of May, this race is celebrated for its strong community support and electric atmosphere, drawing competitive runners and marathon enthusiasts eager to experience its scenic beauty and unique challenges.

Chicagoland Spring Marathon

Schaumburg, Illinois

May 4, 2025

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The Chicagoland Spring Marathon offers a scenic and flat course, beginning in Schaumburg’s vibrant business district and winding through the serene landscapes of Busse Woods, complete with lakes, forests, and even an elk pasture. This USATF-certified event is perfect for those aiming for personal bests or Boston Marathon qualifications, enhanced by ideal weather and celebrated with local favorites like Giordano's pizza at the finish line.

Long Island Marathon

East Meadow, New York

May 4, 2025

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The Long Island Marathon features a flat and fast 26.2-mile course starting at Charles Lindbergh Blvd and weaving through historic downtowns and scenic waterfronts before finishing in the lush Eisenhower Park. Known for its vibrant community atmosphere and part of a broader festival weekend, this race offers an ideal setting for runners aiming for personal bests or a Boston Qualifier amidst the supportive cheers of local spectators.

Cincinnati Flying Pig Marathon

Cincinnati, Ohio

May 4, 2025

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The Cincinnati Flying Pig Marathon takes runners on a scenic and challenging 26.2-mile route through the heart of Cincinnati and Northern Kentucky, featuring the city's iconic bridges, historic neighborhoods, and the demanding climb up Eden Park. Celebrated for its vibrant "Porkopolis" theme, this marathon blends local culture and spirited community support, making it a beloved event for both seasoned runners and newcomers seeking an unforgettable race experience.

ET Full Moon Midnight Marathon

Rachel, Nevada

May 10, 2025

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The ET Full Moon Midnight Marathon in Rachel, Nevada, offers an unforgettable experience with its nighttime race along the Extraterrestrial Highway under the full moon, starting and ending at The Little A'le'Inn. This unique event combines the thrill of high-altitude running with the allure of a desert night, where alien-themed costumes, glow-in-the-dark medals, and potential UFO sightings create a truly otherworldly atmosphere.

Granite State Marathon

Nashua, New Hampshire

May 10, 2025

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The Granite State Marathon, set in the scenic Mine Falls Park in Nashua, New Hampshire, challenges runners with five laps of a 5.08-mile loop along the Nashua River, featuring gentle rolling hills and packed dirt trails. As a Boston Marathon qualifier and part of the Abbott World Marathon Majors rankings, this well-organized race attracts runners seeking personal bests amidst the tranquil beauty of New Hampshire's landscapes.

Muir Woods Marathon

Stinson Beach, California

May 10, 2025

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The Muir Woods Marathon challenges runners with its demanding trail, featuring steep climbs, technical single-track paths, and the iconic ascent up the Dipsea Trail to Steep Ravine, all set against the backdrop of the majestic redwoods and Pacific Ocean views. Limited to 300 participants and part of a larger community event, this marathon combines rigorous physical demands with the serene beauty of California's iconic landscapes, offering a uniquely rewarding experience.

Mother's Day Run for the Roses

Coplay, Pennsylvania

May 11, 2025

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The Mother's Day Run for the Roses in Coplay, Pennsylvania, takes place on the scenic Ironton Rail Trail, offering a mostly flat course with gentle rolling hills, perfect for a fast yet enjoyable challenge. Celebrated on May 11, 2025, this inclusive event features a Half Marathon, 10K, and 5K, with special touches like fresh roses for female finishers and a festive atmosphere that makes every participant feel cherished.

Sugarloaf Marathon

Carrabassett Valley, Maine

May 11, 2025

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The Sugarloaf Marathon features a scenic point-to-point course along Maine Scenic Highway Route 27, offering breathtaking views of the Bigelow Mountain range and the Carrabassett River, with a net elevation drop of 980 feet. Known for its high rate of Boston Marathon qualifiers, this well-organized race provides a perfect mix of challenging hills and rewarding descents, making it ideal for runners aiming for personal bests amidst the stunning backdrop of Carrabassett Valley.

Nutmeg State Marathon

Hartford, Connecticut

May 14, 2025

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The Nutmeg State Marathon in Hartford presents a unique challenge with its 12 laps on a 2.13-mile loop, incorporating a mix of asphalt and a brief dirt path, all set within the scenic Goodwin Park & Golf Course. As part of the New England Challenge series, this marathon offers an intimate racing experience where runners navigate rolling hills and occasionally share the course with golf carts, providing both a mental and physical test amid quintessential New England charm.

Madeline Island Marathon

La Pointe, Wisconsin

May 17, 2025

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The Madeline Island Marathon captivates runners with its scenic loop course starting and finishing at Joni's Beach, blending paved and packed gravel paths through lush woodlands with breathtaking views of Lake Superior. As a USATF-certified Boston Qualifier, this intimate event, limited to 150 marathon entries, offers a unique racing experience set against the charming backdrop of Wisconsin's Apostle Islands, accessible only by ferry.

Whitefish Marathon

Whitefish, Montana

May 17, 2025

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The Whitefish Marathon challenges runners with its hilly, out-and-back course that offers breathtaking views of Whitefish Lake and the surrounding mountain ranges, demanding both endurance and acclimatization due to its elevation. As the Road Runners Club of America Marathon State Championship from 2021 to 2024, this event not only promises a rigorous race but also an immersive experience in Montana's stunning landscapes, drawing over 1,300 participants annually and offering a unique 'runcation' opportunity with local attractions and community support.

Cleveland Marathon

Cleveland, Ohio

May 18, 2025

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The Cleveland Marathon's course begins with a quick, flat start in downtown before winding through vibrant neighborhoods and offering stunning lakefront views, culminating in a challenging uphill finish on an elevated highway. Celebrated for its inclusive spirit and professional organization, this race not only showcases iconic landmarks like the Rock and Roll Hall of Fame but also provides a prime opportunity for runners to achieve personal bests or qualify for the Boston Marathon.

Denver Colfax Marathon

Denver, Colorado

May 18, 2025

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The Denver Colfax Marathon takes runners on a scenic 26.2-mile journey through the heart of Denver, featuring a double pass through Empower Field at Mile High and breathtaking views of the Rockies as they circle Sloan's Lake. As one of the largest marathon events in the Rocky Mountain region, it combines urban landscapes with vibrant community support, offering an unforgettable experience for both seasoned marathoners and newcomers.

Med City Marathon

Rochester, Minnesota

May 18, 2025

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The Med City Marathon in Rochester, Minnesota, offers a scenic two-loop course that blends rural and urban landscapes, starting near the airport and finishing downtown, with a notable elevation change that adds a subtle challenge to the mostly flat terrain. Celebrated for its community spirit, the event features a lively finish line festival with live music, refreshments, and a health and fitness expo, making it an ideal choice for runners aiming for personal bests or Boston qualifying times.

Bayshore Marathon

Traverse City, Michigan

May 24, 2025

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The Bayshore Marathon in Traverse City, Michigan, provides a breathtaking run along the shores of Grand Traverse Bay with a flat, out-and-back course perfect for those seeking a personal best or a Boston Marathon qualifying time. With its stunning views of Lake Michigan, cherry orchards, and vineyards, combined with a supportive community and well-organized race day, participants enjoy an unforgettable marathon experience each spring.

Prince of Wales Island Marathon

Craig, Alaska

May 24, 2025

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The Prince of Wales Island Marathon offers a challenging and scenic out-and-back route that climbs 2,108 feet through the breathtaking landscapes of Southeast Alaska, with views of lakes, streams, and muskeg areas. Limited to just 350 runners, this race on Alaska's largest island combines rigorous terrain with a tranquil, intimate atmosphere, providing a unique opportunity to experience the untamed beauty of the Tongass National Forest.

Buffalo Marathon

Buffalo, New York

May 25, 2025

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The Buffalo Marathon features a mostly flat, scenic loop that takes runners through the heart of the city, showcasing landmarks like City Hall, the Erie Basin Marina, and the Buffalo River. With enthusiastic community support, live music, and a festive atmosphere, this race provides a spirited and well-organized experience, making it a popular choice for those aiming for a Boston Marathon qualifying time or a personal best.

Vermont City Marathon

Burlington, Vermont

May 25, 2025

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The Vermont City Marathon's 26.2-mile course takes runners through Burlington, Vermont, showcasing stunning views of Lake Champlain and the Adirondack Mountains, with its challenging "Assault on Battery" hill at mile 15 offering both a test and a thrill. This race is celebrated for its vibrant community support, with enthusiastic spectators, lively entertainment, and a post-race atmosphere that rewards participants with a sense of accomplishment and camaraderie.

Race the Lake Marathon

Cooperstown, New York

May 31, 2025

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The Race the Lake Marathon takes runners on a scenic 26.2-mile loop around Otsego Lake in Cooperstown, NY, featuring rolling hills and picturesque views of landmarks like the Glimmerglass Opera and The Otesaga Resort Hotel. As a certified Boston Marathon qualifier, this race challenges participants with its demanding elevation changes while offering a supportive atmosphere complete with ample aid stations and a post-race BBQ at Glimmerglass State Park.

Deadwood Mickelson Trail Marathon

Deadwood, South Dakota

May 31, 2025

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The Deadwood Mickelson Trail Marathon takes runners on a scenic journey through South Dakota's Black Hills, featuring a mix of gentle climbs and a predominantly downhill path that rewards with stunning views and over 100 historic railroad bridges. This Boston-qualifying race not only challenges runners with its high-altitude terrain but also immerses them in the rich history and natural beauty of the region, culminating in the storied town of Deadwood.

Mohican Marathon

Loudonville, Ohio

May 31, 2025

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The Mohican Marathon challenges runners with a stunning 13.1-mile loop through Mohican State Park, featuring rugged trails, over 4,000 feet of elevation gain, and the enchanting scenery of Lyons Falls and the park's iconic covered bridge. As part of the prestigious Mohican Trail 100-50-Marathon event, this race offers a deeply immersive trail experience and serves as a qualifier for the Western States 100 and the UTMB World Series, making it a must-run for endurance enthusiasts.