Austin's Backyard Marathon

Marble Falls, United States • 23 May 2026

Event Overview

Austin's Backyard Marathon & Memorial Day Remembrance Run is an endurance running event held in Marble Falls, Texas, in the Texas Hill Country. The event features a multi-race format: the Austin's Backyard Ultra, the Memorial Day Remembrance Marathon, and the Memorial Day Remembrance Half-Marathon.

Location and Course

The event takes place near Lago Vista, approximately 30 miles northwest of Austin. The course winds around a peninsula on Lake Travis, offering views of the water and the surrounding area. The terrain is a mix of 50% trail and 50% paved surfaces.

Backyard Ultra Format

This is an officially sanctioned Backyard Ultra, a "last person standing" challenge. The format involves a continuous series of 4.167-mile loops. A new loop starts at the top of each hour, and participants must complete each loop within 60 minutes to continue. The last person to complete a loop is the overall winner.

Event Distances and Recognition

Participants can set personal goals outside of the last-person-standing competition. Recognition is awarded for completing a specific number of loops:

  • 1 loop (4+ miles): a "woodallion" finisher award.
  • 4 loops: Half-marathon medal (13.1 miles).
  • 7 loops: Marathon medal (26.2 miles).
  • 8+ loops: Ultra medal (33+ miles).

A special "Gladiator Award" is reserved for any athlete who completes 100 miles in under 24 hours on the official course.

Event Details

The event offers an event T-shirt and aid station support. A designated tent and crew area is available near campsites 20-28, with setup allowed from 6:00 AM on the event day. Visit the organization's website for the most recent information.

Race information

26 mi
Memorial Day Remembrance Marathon
13 mi
Memorial Day Remembrance Half-Marathon
Austin's Backyard Ultra
Visit the organization's website for the most recent information.
Trail runs nearby

Saddle up for the Rodeo Stampede in Marble Falls with distances ranging from a Kids Dash to a Half Marathon. Enjoy a themed run featuring belt buckle medals and a cowboy costume contest.

The Bluebonnet Trail Run offers a range of distances on scenic trails along Lake Travis during peak wildflower season. Every finisher earns a unique wooden medal. The event supports local youth running programs.

Pandora's Box of Rox is a trail running event on April 25, 2026, at Reveille Peak Ranch in Texas. Distances range from a youth 1-mile run to a 52.4-mile double marathon. Swag is included for all participants, with a shirt guaranteed for ear..

Desert Wolf Trail Run The Desert Wolf Trail Run is set for April 25, 2026 at Flat Creek Crossing Ranch in Johnson City, Texas. The event includes multiple trail running distances: 100K 50K 25K 25K RUCK 12K 5K The course uses dirty and roc..