Marathons in Oklahoma 2026-2027

4 marathons and 7 half marathons coming up in Oklahoma, by date. Rated races show how many minutes the course adds or saves against an average road race, from its climbing, surface and typical race-day weather.

Flattest marathons in Oklahoma

Rated road races, least total climbing first.

  1. 1.Golden Driller MarathonTulsa, 145m climbing, +1 min vs average, Apr 2027
  2. 2.Oklahoma City Memorial MarathonOklahoma City, 166m climbing, +1 min vs average, Apr 2027
  3. 3.Route 66 MarathonTulsa, 251m climbing, +6 min vs average, Nov 2026
  4. 4.Prince of Wales Island International MarathonHollis, 642m climbing, +28 min vs average, May 2027

Marathons in Oklahoma (4)

Half marathons in Oklahoma (7)

Marathons in Oklahoma at a glance

  • Busiest month: Apr 2027, with 3 races.
  • A typical marathon here climbs about 251m in total (the median of 4 rated courses), against about 145m across the USA.
  • Hilliest: Prince of Wales Island International Marathon, with 642m of climbing (road).
  • Coolest race day on average: The Kilgore Half Marathon & 10k (Dec 2026, a typical high of 15°C). Warmest: Prince of Wales Island International Marathon (May 2027, 29°C).