Austin Solstice Circuit Marathon

JUL

25-26

2026

Race a fast, paved loop through the scenic Texas Hill Country at Pace Bend Park. The Austin Solstice Circuit offers distances from a 5K to a 52.7-mile ultra, with evening starts for the longest races. The USATF-certified marathon course features minimal elevation and a fully supported aid station.

25-26 Jul 2026

Spicewood, Texas

Registration

53 miles 31 miles 26 miles 16 miles 6 miles 3 miles

Always double-check with the organizer's website! This page may contain affiliate links.

Event Details

The Austin Solstice Circuit Challenge takes place on July 25-26, 2026 at Pace Bend Park on Lake Travis in Spicewood, Texas. The event features a single-loop course format on smooth, paved asphalt. The main loop is 1.64 miles long and is described as a figure-8 configuration. It features limestone bluffs, oak trees, and views of Lake Travis.

Race Distances

The event offers multiple distances:

52.7 Mile Solo (32 loops)
50K (19 loops)
Marathon (26.35 miles, 16 loops)
25K Run (10 loops)
10K Run (4 loops)
5K Run (2 loops)

The marathon course is USATF-certified (code: TX25015LAB). Several distances also offer "Night Run" options.

Course and Format

The course has minimal elevation gain, stated as 33 feet per loop. An aid station is located at the start/finish hub, accessible every 1.64 miles. The course is marked with reflective markers for night running. The longer distances (52.7 Mile, 50K, and Marathon) have evening start times.

Additional Information

Participants are allowed to have personal pacers for the Marathon, 50K, and 52.7 Mile events, with a registration fee for pacers. The event offers amenities including a stocked aid station, restrooms, first-come-first-served camping, and parking. All finishers receive medals and custom challenge coins. Packet pickup is available on Saturday afternoon and Sunday morning before the races. Visit the organization's website for the most recent information.