About This Race
Austin Solstice Circuit Challenge
The Fastest Summer Ultramarathon in Texas
July 25 & 26, 2026 | Pace Bend Park, Lake Travis
Set a Summer 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 07/25Marathon (USATF Certification code: TX25015LAB)
Loops: 16 Distance: 26.35 mi Start: 7:00 PM 07/2525K
Loops: 10 Distance: 15.5 mi Start: 7:00 PM 07/25; 7:00AM 07/2610K
Loops: 4 Distance: 6.2 mi Start: 7:00 PM 07/25;7:00 AM 07/26
Course & Race Day Details
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