Austin Solstice Circuit Marathon
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Event
The Austin Solstice Circuit Challenge is held in July 2026 at Pace Bend Park, Lake Travis, in Spicewood, TX (2805 Pace Bend Road North). The event offers multiple race distances and a reported $1,500 prize pool. The marathon is USATF certified (code TX25015LAB). Packet pickup is available Saturday evening (4:30 PM to 6:30 PM) and race-day pickup Sunday morning (5:30 AM to 6:30 AM).
- 52.7 Mile Race - 52.7 mi (32 loops)
- 50K - 31.0 mi (19 loops)
- Marathon - 26.35 mi (16 loops)
- 25K - 15.5 mi (10 loops)
- 10K - 6.2 mi (4 loops)
- 5K - 3.1 mi (2 loops)
Course and amenities
The course is a 1.64-mile figure-8 loop on smooth paved asphalt with about 33 ft elevation gain per loop. The loop layout connects a main loop to a smaller upper loop and is marked with reflective markers for nighttime visibility. Aid is available at the start/finish hub every 1.64 miles. On-site amenities include toilet vault facilities, first-come first-served camping around the course, multiple parking areas, and custom challenge coins for finishers. Personal pacers are allowed for the Marathon and 50K after 8 loops and for the 52.7 Mile Solo after 16 loops; each pacer requires a $15 fee and must wear an official pacer bib. Volunteers are used for registration, aid stations, course marshaling, and finish operations. Visit the organization's website for the most recent information.