Austin Solstice Circuit Marathon, 52M, 50K, 25K, 10K, 5K, 1-HR

Austin Solstice Circuit Challenge The Fastest Summer Ultramarathon in Texas July 25 & 26, 2026 | Pace Bend Park, Lake Travis Set a PR! Scenic Hill Country Course Experience the breathtaking beauty of the Texas Hill Country as you run on smooth paved roads winding through majestic oak trees. With Lake Travis as your backdrop, this picturesque route combines natural beauty with the perfect running surface for speed and comfort.     Set your sights on a personal record at the Austin Solstice Circuit Challenge. This unique event features a perfectly engineered 1.64-mile paved loop with an elevation gain of just 33ft at scenic Pace Bend Park on Lake Travis, designed for speed and performance even in July. Race Distances 52.7 Mile Race Loops: 32 Distance: 52.7 mi Start: 7:00 PM 07/25   50K Loops: 19 Distance: 31.0 mi Start: 7:00 PM 07/25 Marathon (USATF Certification code: TX25015LAB) Loops: 16 Distance: 26.35 mi Start: 7:00 PM 07/25 25K Loops: 10 Dis