Oklahoma Marathon Calendar 2025-2026

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Explore the best marathons in Oklahoma for 2025-2026! Our updated list features 6 exciting races across the region. Find your next race in Oklahoma below and join the running community at these great events!

September 2025
Sep
20
Saturday

Liberty's Lost Treasure

Trail Run 5 km 13 mi 26 mi 50 km
Sep
27
Saturday

Urban Adventure Race

Urban Trail 26 mi 50 mi 75 mi 100 mi
December 2025
Dec
7
Sunday

Half N Half Marathon - Tulsa, OK

13 mi 26 mi
February 2026
Feb
14-16
Sa - Mo

Outlaw 100 Oklahoma

Trail Run 5 km 13 mi ... 100 mi 135 mi
Feb - Mar
28-1
Sa - Su

Lake Vian Hilltop Run

Trail Run 4 mi 13 mi ... 100 km 100 mi
April 2026
Apr
24-26
Fr - Su

Oklahoma City Memorial Marathon

5 km 10 km 13 mi 26 mi
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