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Arkansas Ultramarathon Calendar 2026-2027

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Explore the best ultramarathons in Arkansas for 2026-2027! Our updated list features 16 exciting races across the region. Find your next race in Arkansas below and join the running community at these great events!

November 2026
Nov
14
Sa

Creek Trail Crusher

Trail Run 25 mi 50 mi 100 mi
December 2026
Dec
5
Sa

Mitchell's Mountain Infinity Loop

Trail Run Backyard Ultra 3 mi
Dec
12-13
Sa - Su

Spirit Of Syllamo

Trail Run 38 mi 100 mi
February 2027
Feb
13
Sa

Sylamore 50K/25K Trail Run

Trail Run 25 km 50 km
Feb
27
Sa

David's Trail Endurance Run

Trail Run 7 km 25 km 50 km
Monthly updates for Arkansas

Get new running races (and updates) in your inbox every month.
Feb
27-28
Sa - Su

Run Lovit

Trail Run 50 km 100 km 100 mi
March 2027
Mar
13
Sa

Natural State Backyard Ultra

Backyard Ultra 4 mi
Mar
19-21
Fr - Su

Three Days Of Syllamo

Trail Run 20 km 50 km 50 mi 94 mi
April 2027
Apr
2-3
Fr - Sa

Ragnar Trail Arkansas

Trail Run 16 mi 125 mi
Apr
3
Sa

Outlast Arkansas

Trail Run 18 mi 36 mi
Apr
10
Sa

Ouachita Trail 50

Trail Run 50 km 50 mi
Apr
13
Tu

Mainly Marathons Riverboat Series - Eudora

5 km 10 km ... Marathon 50 km
Apr-May
30-1
Fr - Sa

Outback in the Ozarks Pure Trail

Trail Run 120 mi
May 2027
May
1
Sa

Last Person Standing

Backyard Ultra
July 2027
Jul
24-25
Sa - Su

Full Moon 50K

Trail Run 25 km 50 km
October 2027
Oct
29-30
Fr - Sa

Hare Mountain 100

Trail Run 2 mi 10 km ... 50 mi 100 mi
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