Half Marathons in Oklahoma — 2026

There are 28 half marathons in Oklahoma scheduled for 2026. The next is the Medal Madness 5K, 10K, & 13.1M at Stillwater, OK (36) in Stillwater on September 5. Oklahoma half marathons run primarily September through July.

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

Sat, Sep 5 · Stillwater, OK Stillwater

5K10KHalf Marathon

From $30 Open Closing Soon

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

Sat, Sep 12 · Sapulpa, OK Sapulpa

5K10KHalf Marathon

From $30 Open Closing Soon

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Talk Pirate to Me 5K/10K/Half - Oklahoma City

Sat, Sep 19 · Oklahoma City, OK Oklahoma City

Virtual 5K5K10K +3

From $40 Open Closing Soon

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Oklahoma Fallen Heroes

Sat, Sep 19 · Oklahoma City, OK Oklahoma City

5K Run/Walk10K RunHalf Marathon

From $50 Open

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Heroes and Villains Half Marathon- Tulsa

Sat, Sep 26 · Tulsa, OK Tulsa

1 Mile RunVolunteer then Run5k Run 3.1 Miles +4

From $15 Open Closing Soon 5 spots left

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Medal Madness 5K, 10K, & 13.1M at Oklahoma City, OK (39)

Sat, Sep 26 · Oklahoma City, OK Oklahoma City

5K10K13.1M

From $30 Open

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Heroes and Villains Half Marathon- Oklahoma City

Sun, Sep 27 · Oklahoma City, OK Oklahoma City

1 Mile Run5k Run 3.1 MilesVolunteer then Run 5K (3.11 mi) +4

From $15 Open Closing Soon 5 spots left

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TRI-It Racing Clubs Du Kona Multi-sport Series

Sat, Oct 3 · Guthrie, OK Guthrie

Super Sprint AquabikeBeat Buzz Super SprintSprint +1

From $100 Open

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Haunted 5K, 10K, & 13.1M at Sapulpa, OK (41)

Sat, Oct 10 · Sapulpa, OK Sapulpa

5K10KHalf Marathon

From $30 Open

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Tulsa River Run

Sat, Oct 17 · Tulsa, OK Tulsa

5KQuarter MarathonHalf Marathon

From $39 Open

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Day of the Dead Half Marathon - Tulsa

Sat, Oct 24 · Tulsa, OK Tulsa

1 Mile RunVolunteer then Run5k Run 3.1 Miles +4

From $15 Open Closing Soon 5 spots left

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Haunted 5K, 10K, & 13.1M at Oklahoma City, OK (43)

Sat, Oct 24 · Oklahoma City, OK Oklahoma City

5K10K13.1M

From $30 Open

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Day of the Dead Half Marathon - Oklahoma City

Sun, Oct 25 · Oklahoma City, OK Oklahoma City

1 Mile RunVolunteer then Run5k Run 3.1 Miles +4

From $15 Open Closing Soon 5 spots left

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Salute to Veterans 5K/10K/Half Marathon - Oklahoma City

Sat, Nov 7 · Oklahoma City, OK Oklahoma City

5K-Veteran5K5K-Active Duty +9

From $0 Open

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Gobbler 5K, 10K, & 13.1M at Stillwater, OK (45)

Sat, Nov 7 · Stillwater, OK Stillwater

5K10KHalf Marathon

From $30 Open

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Gobbler 5K, 10K, & 13.1M at Sapulpa, OK (46)

Sat, Nov 14 · Sapulpa, OK Sapulpa

5K10KHalf Marathon

From $30 Open

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Prairie Line

Sun, Nov 15 · Oklahoma City, OK Oklahoma City

5K RUNHALF MARATHONVIRTUAL HALF MARATHON +1

From $40 Open

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Holiday 5K, 10K, & 13.1M at Stillwater, OK (49)

Sat, Dec 5 · Stillwater, OK Stillwater

5K10KHalf Marathon

From $30 Open

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Holiday 5K, 10K, & 13.1M at Sapulpa, OK (50)

Sat, Dec 12 · Sapulpa, OK Sapulpa

5K10KHalf Marathon

From $30 Open

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New Year 5K, 10K, & 13.1M at Stillwater, OK (53)

Sat, Jan 2 · Stillwater, OK Stillwater

5K10K13.1M

From $30 Open

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Running From Yeti - Tulsa, OK

Sat, Jan 23 · Tulsa, OK Tulsa

5k Run/WalkVirtual 5K5k Run/Walk +13

From $30 Open

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Pirate 5K, 10K, & 13.1M at Stillwater, OK (05)

Sat, Feb 6 · Stillwater, OK Stillwater

5K10KHalf Marathon

From $30 Open

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Okie Half - Half Marathon & 5k

Sat, Mar 20 · Muskogee, OK Muskogee

5k5kHalf Marathon +1

From $25 Open

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T-TOWN Half Marathon

Sat, Mar 27 · Tulsa, OK Tulsa

5K5KHalf Marathon +1

From $30 Open

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Bunny 5K, 10K, & 13.1M at Stillwater, OK (13)

Sat, Apr 3 · Stillwater, OK Stillwater

5K5K10K +3

From $30 Open

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Luau 5K, 10K & 13.1M at Stillwater, OK (17)

Sat, May 1 · Stillwater, OK Stillwater

5K5K10K +3

From $30 Open

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Medal Madness 5K, 10K, & 13.1M at Stillwater, OK (22)

Sat, Jun 5 · Stillwater, OK Stillwater

5K5K10K +3

From $30 Open

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Eagle 5K, 10K, & 13.1M at Stillwater, OK (26)

Sat, Jul 3 · Stillwater, OK Stillwater

5K5K10K +3

From $30 Open

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