Experience the unique charm of the Southwest Series - Day 4 - AZ, set to take place on November 11, 2026, in scenic Flagstaff, Arizona. This event, part of the renowned "World's BEST multi-day, multi-state running series" by Mainly Marathons, offers distances of a full Marathon (26.2M), Half Marathon (13.1M), and 5K, catering to a range of runners looking for a memorable race experience. Held within the expansive 215-acre landscape of Buffalo Park, the course is largely composed of crushed gravel paths, providing a "fast and flat" terrain that nonetheless features some gentle hills with an estimated 52 feet of elevation gain per lap. Runners will be treated to breathtaking mountainous views and lush nature, with a chance to spot local wildlife amidst the stunning Arizona backdrop.
What truly sets this race apart is the "loony running family" atmosphere and a runner-centric approach, including generous no-time limits—a welcomed feature for those looking to enjoy the journey at their own pace. Aid stations are a highlight, described as one "giant aid station" due to the multi-loop course, providing an abundance of refreshments ranging from fruit, jelly beans, and sandwiches to water, Gatorade, and hot coffee, all supported by their unique "Loony Lunchbox" mobile kitchen. Typical race day conditions in Flagstaff this time of year feature pleasant highs around 56°F and brisk lows around 25°F, with a minimal 6% chance of precipitation, creating ideal cool weather for running.
Every participant receives a race t-shirt, a traditional Starter Medal, a Year Tab Medal, and a distinct Arizona-shaped State Medal, which can connect to form a string of "bling." First-time half or full marathon finishers even earn a special award, and the race celebrates its final finishers with a unique "caboose medal." Starting and finishing at Buffalo Park on 2400 N Gemini Road, the Southwest Series - Day 4 - AZ promises not just a race, but a full experience, blending a scenic course with a supportive community and exceptional runner perks.
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