Ultras in Arkansas 2026 | Upcoming Races & Dates

There are 3 ultras in Arkansas scheduled for 2026. The next is the DeGray Lake Triathlon in Caddo Valley on September 13. Arkansas ultras run primarily September through October.

DeGray Lake Triathlon

Sun, Sep 13 · Caddo Valley, AR Caddo Valley

Open Water SwimAqua Bike - OlympicOlympic - Team +6

From $45 Open 25 spots left

Timberfest 5K

Sat, Oct 3 · Sheridan, AR Sheridan

Timberfest 5K

From $25 Closed

Outback in the Ozarks 205 Mile Relay

Fri, Oct 9 · Eureka Springs, AR Eureka Springs

65 Mile Relay (4-6 Runners)OTO Ultra Team (4-6 Runners)OTO Standard Team (7-12 Runners) +2

From $179 Open

Ultras in Arkansas — 2026

DeGray Lake Triathlon

Timberfest 5K

Outback in the Ozarks 205 Mile Relay

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