Half-Marathon races in Oklahoma, United States — 2026 running calendar

Eagle 5K, 10K, & 13.1M at Oklahoma City, OK (30)

Oklahoma City, Oklahoma, United States

Jul 25, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Heatwave Half Marathon - Oklahoma City

Oklahoma City, Oklahoma, United States

Jul 25, 2026 (Sat)

$22.00 - $66.00

Running

1.6K 5K 10K Half-Marathon +1

Summer Meltdown Half Marathon - Tulsa

Tulsa, Oklahoma, United States

Aug 1, 2026 (Sat)

$25.00 - $78.00

Running

1.6K 5K 10.5K Half-Marathon +2

Ninja 5K, 10K, & 13.1M at Stillwater, OK (31)

Stillwater, Oklahoma, United States

Aug 1, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Summer Meltdown Half Marathon - Oklahoma City

Oklahoma City, Oklahoma, United States

Aug 2, 2026 (Sun)

$25.00 - $78.00

Running

1.6K 5K 10.5K Half-Marathon +2

Ninja 5K, 10K, & 13.1M at Sapulpa, OK (32)

Sapulpa, Oklahoma, United States

Aug 8, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K, & 13.1M at Oklahoma City, OK (34)

Oklahoma City, Oklahoma, United States

Aug 22, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Medal Madness 5K, 10K, & 13.1M at Stillwater, OK (36)

Stillwater, Oklahoma, United States

Sep 5, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Medal Madness 5K, 10K, & 13.1M at Sapulpa, OK (37)

Sapulpa, Oklahoma, United States

Sep 12, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Golden Harvest Half Marathon & 5k/10k - Oklahoma City

Oklahoma City, Oklahoma, United States

Sep 12, 2026 (Sat)

$22.00 - $66.00

Running

5K 10K Half-Marathon 1.6K

Golden Harvest Half Marathon & 5k/10k - Tulsa

Tulsa, Oklahoma, United States

Sep 13, 2026 (Sun)

$22.00 - $73.00

Running

5K 10K Half-Marathon 1.6K

Oklahoma Fallen Heroes

Oklahoma City, Oklahoma, United States

Sep 19, 2026 (Sat)

$50.00 - $70.00

Running

Half-Marathon 10K 5K