Registration for the next running of Austin Solstice Circuit 52 Miler • 50K • Marathon • 25K • 10K • 5K • 12-Hour Relay isn't open yet. Save it on Trehko and we'll remind you the moment it opens.
Get reminded on Trehko →Save this race to your wishlist, set a registration reminder, and build a full training plan on Trehko.
Austin Solstice Circuit 52 Miler • 50K • Marathon • 25K • 10K • 5K • 12-Hour Relay is a 50k running event held in Spicewood, TX on Jul 25, 2026. The course has a trail profile.
Trehko tracks registration status, entry fees, and deadlines for Austin Solstice Circuit 52 Miler • 50K • Marathon • 25K • 10K • 5K • 12-Hour Relay and thousands of other endurance races. Use the app to set a registration reminder and build a training plan tailored to race day.
Browse by discipline: