The Longest Day 100k

Greenville, United States • 14 Jun 2025

The Longest Day is a unique running event taking place at Lakewood Nature Preserve in Greenville, SC, featuring multiple distance options including 100k, 50k, marathon (26.2 miles), and half marathon (13.1 miles). This timed lap challenge consists of a 2-mile loop with descending time cutoffs, welcoming runners of all levels. Participants can enjoy a scenic course surrounded by nature, with amenities such as a finisher medal, custom race bib, and post-race festivities. The event aims to support the Upstate Running Club Youth Team, making it a community-focused occasion for both competitive and casual runners. Visit the organization's website for the most recent information.

Race information

100 km
100k
50 km
50k
26 mi
26.2
13 mi
13.1
Visit the organization's website for the most recent information.
Trail runs nearby

The Red Horse Inn Trail Run/Walk is an exciting outdoor event taking place in Landrum, SC, designed for participants aged 21 and over. This unique experience features two courses: a 4-mile trail run and a 2-mile walk, both set against a backdrop of scenic dirt trails and gravel paths. The event emph..

The Byrd and Bear 5K for Autism Awareness is a trail race scheduled for April 5, 2025, in Tryon, North Carolina. This event aims to raise awareness and support for the Autism Society of North Carolina, with all proceeds benefiting the organization. Participants can register until March 18, 2025, to..

Race the Helix-Upstate is an annual running event taking place at Lake Conestee Nature Park in Greenville, SC, aimed at raising awareness and funding for genetic disorders. Scheduled for April 5, 2025, the event features a 5K trail run and a 1-mile walk, both of which are accessible for strollers an..

The Knock On Woodstock Trail 13.1 & 10k is a running event taking place at Camp Spearhead in Marietta, South Carolina, on April 19, 2025. This event features two races: the Forest Funk Half Marathon and the Hipster Hustle 10k. Participants can enjoy a scenic course with a supportive atmosphere, as p..

The High Noon Showdown is an inaugural trail running event organized by G.O.A.T. Trail Running, taking place in Enoree, SC. Participants can choose from various timed challenges, including 3-hour, 6-hour, 12-hour, and 24-hour events, with no distance cutoffs, allowing runners of all levels to join.T..

The Cottonmouth 8 Mile & Beerlay is a unique running event scheduled for June 7, 2025, at Lakewood Nature Preserve in Greenville, SC. This exciting race combines running and socializing, allowing participants to enjoy a beer between laps. Runners can choose to compete solo or in teams of 2 to 4, com..