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Marathon Calendar near Brentwood 2025-2026

Monthly updates for Brentwood

Get new running races (and updates) in your inbox every month.

Explore the top marathons near Brentwood for 2025-2026! We've gathered 9 exciting races in the area. Check out our detailed list below to find your next local race.

February 2026
Feb
15
Su

Austin Marathon

5 km 13 mi 26 mi
March 2026
Mar
7
Sa

Great Springs Trail Race - Austin

Trail Run 5 km 10 km ... 26 mi 50 km
May 2026
May
2
Sa

Pechanga Trail Run

Trail Run 5 km 10 km ... 26 mi 50 km
May
9-10
Sa - Su

Wildflower Trail Race

Trail Run 5 km 5 mi ... Marathon 50 km
May
23
Sa

Austin's Backyard Marathon

Backyard Ultra 4 mi 13 mi 26 mi 33 mi
July 2026
Jul
25-26
Sa - Su

Austin Solstice Circuit Marathon

3 mi 6 mi ... 31 mi 53 mi
September 2026
Sep
12
Sa

Mellow Trail Race

Trail Run 5 km 10 km 13 mi 26 mi
October 2026
Oct
24
Sa

Justice Run Austin

5 km 10 km Half Marathon Marathon
November 2026
Nov
27-28
Fr - Sa

Colorado River Trail Run

Trail Run 5 km 10 km ... 50 mi 100 mi