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

Medal Madness 5K, 10K, & 13.1M at Stillwater, OK (23)

Stillwater, Oklahoma, United States

06 Jun, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Red, White and Blue Half Marathon - Oklahoma City

Oklahoma City, Oklahoma, United States

13 Jun, 2026 (Sat)

$30.00 - $78.00

Running

3.2K 6.4K 12.9K Half-Marathon +2

Medal Madness 5K, 10K, & 13.1M at Sapulpa, OK (24)

Sapulpa, Oklahoma, United States

13 Jun, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Red, White and Blue Half Marathon - Tulsa

Tulsa, Oklahoma, United States

14 Jun, 2026 (Sun)

$30.00 - $80.00

Running

3.2K 6.4K 12.9K Half-Marathon +2

Medal Madness 5K, 10K, & 13.1M at Oklahoma City, OK (26)

Oklahoma City, Oklahoma, United States

27 Jun, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Eagle 5K, 10K, & 13.1M at Stillwater, OK (27)

Stillwater, Oklahoma, United States

04 Jul, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Eagle 5K, 10K & 13.1M at Sapulpa, OK (28)

Sapulpa, Oklahoma, United States

11 Jul, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Heatwave Half Marathon - Tulsa

Tulsa, Oklahoma, United States

18 Jul, 2026 (Sat)

$22.00 - $73.00

Running

1.6K 5K 10K Half-Marathon +1

RWT Summer/Fall Marathon Training

Tulsa, Oklahoma, United States

18 Jul, 2026 (Sat) – 15 Nov, 2026

$40.00

Running

Marathon Half-Marathon

Christmas 5K/10K/Half Marathon in July - Oklahoma City

Oklohoma City, Oklahoma, United States

18 Jul, 2026 (Sat)

$40.00 - $60.00

Running

5K 10K Half-Marathon +2

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

Oklahoma City, Oklahoma, United States

25 Jul, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Heatwave Half Marathon - Oklahoma City

Oklahoma City, Oklahoma, United States

25 Jul, 2026 (Sat)

$22.00 - $60.00

Running

1.6K 5K 10K Half-Marathon +1