Half Marathon

A half marathon is 13.1 miles (21.1 km) — the most popular race distance in the U.S. Below is our full calendar of upcoming half marathons for 2026 and 2027, updated weekly.

Mendocino

September 11, 2026

Mendocino Running Festival

Berkeley

September 12, 2026

Berkeley Trail Adventure

Snow Camp

September 12, 2026

Cane Creek Mtn Trail Run

Sandpoint

September 19, 2026

Priest Lake Marathon and 50K

Colorado Springs

September 19, 2026

Pikes Peak Marathon + Ascent

Dallas

September 19, 2026

Paris Texas Marathon

Sisters

September 19, 2026

Three Sisters Skyline

Seattle

September 26, 2026

Fidalgo Trail Run

Carmel

September 26, 2026

Big Sur Trail Marathon, Half Marathon & 5 Mile

Auburn

September 27, 2026

Auburn Half Marathon

Flagstaff

October 3, 2026

Flagstaff Marathon

Moab

October 3, 2026

Arches Half Marathon

Yachats

October 3, 2026

Perpetua Coast

Auburn

October 10, 2026

Sunset & Cider Trail Races

Snoqualmie

October 10, 2026

Middle Fork Trail Run

October 11, 2026

Champion Mine Trail Race

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