Half-Marathon races in United States — 2026 running calendar

Ninja 5K, 10K, & 13.1M at Piedmont, AL (31)

Piedmont, Alabama, United States

Aug 1, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K, & 13.1M at Savannah, GA (31)

Savannah, Georgia, United States

Aug 1, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Green Valley Lake 5k/10k/& Half Marathon

Green Valley Lake, California, United States

Aug 1, 2026 (Sat)

$41.00 - $90.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K, & 13.1M at Holiday, FL (31)

Holiday, Florida, United States

Aug 1, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K, & 13.1M at Springdale, AR (31)

Springdale, Arkansas, United States

Aug 1, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

National Watermelon Day Run

Hartford, Wisconsin, United States

Aug 1, 2026 (Sat)

Free - $52.50

Running, Walking

Half-Marathon 10K 5K 1K +4

Ninja 5K, 10K & 13.1M at Naples, FL (31)

Naples, Florida, United States

Aug 1, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K & 13.1M at Everett, WA (31)

Everett, Washington, United States

Aug 1, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K, & 13.1M at Mobile, AL (31)

Mobile, Alabama, United States

Aug 1, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Summer Breeze

San Leandro, California, United States

Aug 1, 2026 (Sat)

$50.00 - $100.00

Running

5K 10K Half-Marathon

Be Kind to Your Mind Virtual Run – 1M • 5K • 10K • 13.1 • 26.2

Mesa, Arizona, United States

Aug 1, 2026 (Sat) – Dec 31, 2026

$25.00

Running

1.6K 5K 10K Half-Marathon +1

Heatwave Half Marathon - Sioux Falls

Sioux Falls, South Dakota, United States

Aug 2, 2026 (Sun)

$22.00 - $64.00

Running

1.6K 5K 10K Half-Marathon +1