Milford, Michigan (United States of America) - "Prove It 5K & 10K". Looking for a Michigan spring 5K or 10K that's unlike anything else? Prove It 5K & 10K gives you exclusive access to the GM Milford Proving Ground, one of the most iconic and secretive automotive testing facilities in the world. Normally closed to the public, this track opens just one day each year for runners and walkers to take on its twists, hills, and high-performance curves. This isn't your typical local race. The 5K packs 225? of elevation gain in one lap of the course. The 10K doubles the challenge with two laps and 450? of gain. Both races are USATF-certified, making them perfect for testing your speed and endurance. Want more? Register for the Double Event to run both distances back-to-back for the ultimate test. Why Run Prove It? Race where few ever will—GM Milford Proving Ground is off-limits to the public. Steeped in car culture—the same track where GM tests world-class vehicles. Challenge yourself—225? of gain in the 5K, 450? in the 10K. USATF-certified—official distances, official results. Double Event option—the ultimate test. Part of the Trivium Mega Medal Series—6 races, 1 giant connecting medal. All paces welcome—run or walk the 5K, test your limits in the 10K, or do both. Perfect spring timing—a one-of-a-kind way to kick off your 2026 racing season. Trivium Michigan Mega Medal Series: Prove It 5K & 10K is the first race in the 2026 Trivium Michigan Mega Medal Series. Each medal features the path of its race and connects to the others, forming one giant, six-piece medal by year's end. Series registration also saves you money on entry fees. 2026 Mega Medal Series lineup: Prove It 5K & 10K, April 18, 2026, Milford, MI; Trenton Summerfest Half Marathon, 8K, & 5K, June 2026, Trenton, MI; Dearborn Decades 5K, August 2026, Dearborn, MI; Run the 313 5K, August 2026, Detroit, MI; Growler Gallop Atwater 10 Mile & 5K, September 2026, Detroit, MI; Black Toenail Friday Half Marathon & 7.5 Miler, November 27, 2026, Commerce Township, MI. Prove It isn’t just another race—it’s your chance to experience Michigan’s car culture, test your fitness, and earn your place on the track. Register today for the Prove It 5K & 10K on April 18, 2026, and start your season with a race you’ll never forget. https://runsignup.com/Race/MI/Milford/ProveIt5k

Newport, Rhode Island (United States of America) - "Newport Rhode Races - Marathon, Half Marathon, and 5k". Join us in the City-by-the-Sea for this stunning marathon, half marathon and 5k. Newport Rhode Races partners with the upcoming Annual Newport Daffodil Days Festival to give you a true Spring Newport Experience. Our courses will pass along many of the over 1,200,000 starting to bloom around the City by the Sea. (We'll call it Dash through the Daffodils!) The Marathon will start at 7:30 a.m. Saturday, April 19, 2025 at Easton's Beach in Newport, RI. The Half Marathon will start at 7:45 a.m. from the same location. The 5k will follow at 8:15 am - all from the same beautiful seaside start. The marathon course is USATF certified and is a Boston Marathon Qualifier. https://go.evvnt.com/3346062-0?pid=6562

Lawrence, Kansas (United States of America) - "Z&M Twisted Vines Wine Run 5k". Like Running or Walking? Love Wine? This race is for you! Join us on Saturday, April 18, 2026 at 10:00am for an exciting annual event that features the amazing scenery and landscape of Z&M Twisted Vines Winery and Vineyard! Whether you are looking to run, walk or just enjoy the wine this race is a sure thing for a great time and an incredible experience! This race is timed and scored by J3 Timing. Results will be posted at www.J3Timing.com. https://runsignup.com/Race/KS/Lawrence/ZMTwistedVinesWineRun5k?aflt_token=Nktw0AUB3nF4FPeh7Y7AWqQewFdw9sGt

Glenn Dale, Maryland (United States of America) - "Springburst 10K & Kids One-Mile Fun Run". Join the Prince George's Running Club (PGRC) for Springburst’s 39th year. This event features a 10K (6.2 mile) out-and-back course, taking place on the historic Washington, Baltimore, and Annapolis (WB&A) Trail, which runs along the site of the former Washington, Baltimore, and Annapolis Railroad. With its light rolling hills, the trail is excellent for runners of all levels and a great spot for the whole family. Every participant registered before March 27th will receive a unique Springburst T-shirt designed by PGRC, enhancing their race-day experience, and a race medal. This race is part of the prestigious Maryland RRCA's Grand Prix Series! Have a young one? Bring them out to join us on the course. As part of our Springburst activities, we will host a free one-mile fun run for children 12 and under. Led by our fun mascots, each participant in the Kids Fun Run will receive a finisher’s medal and a fun post-run treat. www.runsignup.com/Race/MD/GlennDale/Springburst10K

Lexington, Massachusetts (United States of America) - "Lexington Lions Patriots Day 5 Mile Road Race". Join us for the 112th Annual Patriots Day 5-Mile Road Race on Saturday, April 18, 2026, at 8:00 AM in historic Lexington, Massachusetts. This special Saturday edition is part of Lexington’s continued America 250 celebration, giving runners the chance to race through the birthplace of liberty during a weekend filled with reenactments, ceremonies, parades, and commemorations. New Day. New Time. Same Historic Tradition. This is more than a road race. It is a chance to be part of one of the country’s oldest running traditions while experiencing one of the most meaningful Patriots’ Day weekends in Lexington’s history. First run in 1914, the race remains a signature community event and a longstanding fundraiser supporting Journey for Sight through the Massachusetts Lions Eye Research Foundation. 2026 Race Highlights Saturday, April 18, 2026 8:00 AM start 5-mile course through historic Lexington Start/finish at the crosswalk between Meriam Street and Cary Library Online registration only No race-day registration 1,000-runner limit Custom America 250 finisher medal for all runners Advance packet pickup at Eagle Bank on April 16-17 Race-day pickup at Emery Park / Depot Square Why run this year? Because the celebration continues. Lexington will be alive with energy all weekend long, and the Saturday schedule lets you run in the morning and still enjoy the day’s major festivities, including other Patriots’ Day events taking place around town. Whether you are a longtime runner, a Lexington resident, or someone looking for a truly unique race experience, this is your chance to run where American history began and be part of a tradition that still matters. Register early. This special Saturday edition is expected to fill. www.lexingtonlions.org/5MileRoadRace.cfm