Starts Saturday, July 12
Spicewood, TX
Official WebsiteJuly 12, 2025 | Pace Bend Park, Lake Travis
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 and a chance to win part of the $1,300 prize pool at the Austin Solstice Circuit Challenge. This unique event features a perfectly engineered 1.55-mile paved figure-8 loop with an elevation gain of just 33ft at scenic Pace Bend Park on Lake Travis, designed for speed and performance even in July.
Solo or teams of 2-6 runners
Unlike typical Texas summer ultras with brutal heat and technical trails, our smooth asphalt figure-8 loop with just 33ft elevation gain creates ideal conditions for record-setting performances.
Race as the sun sets and July's magnificent Buck Moon rises over the limestone bluffs. Our strategic evening start times for longer distances mean cooler temperatures when you need it most.
While we won't be providing official pacing groups for the Austin Solstice Circuit Challenge due to our size, we enthusiastically welcome personal pacers for both the Marathon, 50K and 52.7 Mile Solo events. Personal pacers can join Marathon and 50K participants after 8 loops and 52.7 Mile runners after 17 loops (approximately halfway points). Each pacer must pay a $15 fee that covers park entry, administrative costs, and an official pacer bib. Pacers need to sign a waiver and wear their designated "PACER" bib while on course. Runners are responsible for arranging their own pacers, but the loop format makes it particularly convenient for your support crew to join when you need them most. We find this flexibility is especially appreciated by first-time marathoners and ultra runners who benefit from personalized support during the challenging later miles as day turns to evening.
Compete for a share of the $1,300 prize pool with substantial cash awards for overall winners across all distances.
Never camped before? No problem! Register for the Austin Solstice Circuit Challenge and select our "Guided Camping Experience" option. Our experienced outdoor instructor will teach you all the essential skills for an enjoyable and memorable camping adventure!
💡 Select the "Guided Camping Experience" add-on during registration. Limited spots available - perfect for families, solo runners, and first-time campers!
The distinctive figure-8 course winds through the breathtaking Hill Country landscape of Pace Bend Park, featuring limestone bluffs, majestic oak trees, and views of Lake Travis. The smooth asphalt surface throughout makes it perfect for both day and night running, with the main loop connecting to a smaller upper loop.
"Whether you're chasing a PR, a qualifying time, or simply want to experience the joy of running fast through a Texas summer night beneath towering oaks and limestone cliffs, the Solstice Circuit Challenge offers a rare opportunity to push your limits under optimal conditions."
Fully stocked station at the start/finish hub
Convenient toilet vault facilities
First-come, first-served sites surrounding the course
Multiple areas for easy access
Custom challenge coins for all finishers
Commemorate your achievement with a premium custom-designed medal featuring Lake Travis. These coins are part of the Race Austin Series: Collector's Challenge, which allows you to exchange three same-tier coins from different Fit Foundation races for a complimentary race entry of the same tier.
Race from sunset to stars beneath the Buck Moon on the fastest summer ultra course in the Texas Hill Country.
Ready to prepare? Check out our comprehensive training guide designed specifically for the Solstice Circuit Challenge.
Race Distances |
Price | Register |
|---|---|---|
| 5K Night Run | $29.99 until | Register » |
| Free 1K Kids' Fun Run | $0.00 until | Register » |
| Pacer Registration for the 52.7 Mile Solo,... | $15.00 until | Register » |
| 10K Night Run | $39.99 until | Register » |
| 5K Run | $29.99 until | Register » |
| 52.7 Mile Solo | $109.99 until | Register » |
| 10K Run | $39.99 until | Register » |
| 25K Run | $59.99 until | Register » |
| Marathon | $79.99 until | Register » |
| 50K Run | $89.99 until | Register » |
| 52.7 Mile Relay | $129.99 until | Register » |
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