Weldon Spring Trail Marathon 2025

• Scenic and challenging course through wooded areas and overlooks.
• Cup-free event; bring your own water container.
• Location: Weldon Spring Site, St. Charles, MO.
• Parking available at Weldon Spring Interpretive Site.
• 8-hour cut-off time; no refunds, but entries transferable until race day.

The Weldon Spring Trail Marathon is an invigorating challenge for trail running enthusiasts set against the backdrop of the picturesque Weldon Spring Conservation Area in Missouri. This marathon allows runners to immerse themselves in nature while testing their endurance on rugged, scenic trails. Unlike road marathons, this trail marathon offers a unique, exhilarating experience as participants navigate through varying terrains, from rolling hills to forested paths. Part of the Weldon Spring Trail Series, this event attracts both seasoned trail runners and those looking to venture off the beaten path into the wild. Offering both marathon and half-marathon distances, it accommodates a range of runners seeking different challenges. As part of the local running calendar, organized by the St. Louis Track Club, it's an event that blends competition with the camaraderie of the running community, making it a rewarding and unforgettable experience for all who lace up their trail shoes. Whether you're aiming for a personal best or simply want to enjoy the beauty of St. Charles, Missouri, the Weldon Spring Trail Marathon provides an exceptional race setting with the support and enthusiastic spirit unique to trail running events.

Expect temperatures ranging from 41-56°F (5-13°C) in late March for the Weldon Spring Trail Marathon in St. Charles, Missouri. Prepare for potential rain, as March can be wet, and anticipate light winds. Mornings may be cooler, warming up by early afternoon.

Embark on a journey through the Weldon Spring Trail Marathon, a course that beckons runners with its stunning vistas and invigorating challenges. This marathon weaves through a captivating mix of wooded pathways, scenic overlooks, and serene water features, offering an unforgettable sensory experience. While the elevation changes are moderate, the varied terrain promises a robust challenge, rewarding runners with breathtaking views and the possibility of encountering local wildlife. Set in the picturesque Weldon Spring Site, participants will traverse the iconic landscapes of the Lewis and Clark Trail system, making this race a standout for the 2025 season. For more information on this must-run event, reach out to the organizers or explore the race website.

Visiting St. Charles, Missouri for the Weldon Spring Trail Marathon promises a delightful mix of outdoor and cultural experiences. Explore the scenic Katy Trail along the Missouri River, ideal for a leisurely bike ride before or after the race. The city's Historic Main Street enchants with its red-brick-paved streets, lined with quaint shops, inviting restaurants, and historic architecture dating back to the early 1800s.

For history enthusiasts, the Lewis & Clark Boathouse and Museum offers an immersive glimpse into the famous expedition with detailed dioramas and model boats. Art lovers can wander through the Foundry Art Centre, featuring exhibitions by local and regional artists.

Enhance your visit with a taste of the region's award-winning wines in Historic Missouri Wine Country or try your luck at the Ameristar Casino Resort Spa. Dining options abound on Main Street, including the health-focused Bike Stop Cafe. For a post-race treat, unwind at Big A’s on the Riverfront, known for its lively atmosphere. St. Charles offers a rich tapestry of experiences that will make your marathon trip truly memorable.