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Umstead 100 Mile Endurance Run

Name: Umstead 100 Mile Endurance Run
Start: 2027-04-03
End: 2027-04-04
Location: Morrisville

Morrisville, United States • 3-4 Apr 2027

Umstead 100 Mile Endurance Run

The Umstead 100 Ultra is a long-distance trail run held in William B. Umstead State Park in Raleigh, NC. The event is an annual endurance race; the 2027 running is listed as the 32nd edition. Runners are given 30 hours to complete the full course.

Race distances include:

100 mile endurance run
50 mile option

The event returns April 3 to 4, 2027. Registration opens September 16, 2026 at 8pm. The race is organized under the North Carolina ultra running community and is supported by park staff and multiple sponsors. In 2026 the event reported participation support from 361 volunteers.

There is a memorial award program established in honor of the race founder that awards entry to four active duty armed services members. Results, awards, course maps, lodging information, weather, and race statistics are maintained for participants and followers. The course runs on trails within William B. Umstead State Park in Raleigh, North Carolina. Visit the organization's website for the most recent information.

United States North Carolina Morrisville

Race information

Website

100 mi

100 Mile Endurance Run

50 mi

50 Mile Option

Visit the organization's website for the most recent information.

Trail runs nearby

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Marathon Monk Ultra

A two day ultramarathon gathering at Sky Maple Farm in Hillsborough NC that combines looped running with moving meditation, sound baths, yoga, equine assisted meditation and a vegetarian farm to table dinner.

Saturday Jul 18

Common Rush Trail Run

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5 mi

10 mi

Experience the scenic beauty of Harris Lake County Park with 5 and 10 mile trail races. Run through forested single track and open fields while enjoying expansive lake views in New Hill.

Sunday Jul 19

Your First Mud Run - Raleigh

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Saturday Aug 22

Run for Refugees 5k - Durham

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World Relief Durham's third Run for Refugees 5K is on August 22, 2026 at Miracle Park in Durham. Paid entries include a shirt and professional timing, and children age 5 and under may participate free with an adult.