The Longest Day 100k
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The Longest Day
The Longest Day is an elimination format loop race held at Lakewood Nature Preserve in Greenville, SC. The event uses a two mile grass loop winding through 120 acres of forest and open field with rolling hills, shaded sections, and stands of red cedar and maple. Wildlife such as white tailed deer, box turtles, and foxes may be seen along the course.
Distances
- 13.1 miles (7 laps)
- 26.2 miles (14 laps)
- 50K (16 laps)
- 50 miles (25 laps)
- 100K (31 laps)
Each lap has a strict cutoff that shortens by one minute each lap, beginning at 45 minutes and reaching 15 minutes by Lap 31. Missing a cutoff ends that runner's race and the participant must turn in their bib.
Logistics note that there is no water or power on site, so runners and crews should plan supplies accordingly. A single aid station at the barn supplies basic snacks and drinks; the event is cup less so participants should bring their own hydration vessel. Packet pickup is on site and must be collected by the runner. Tent camping at the start area is available for crews and runners.
Included with entry are a custom race bib, chip timing with live results, a custom finisher medal for those completing at least 10K, a custom race tattoo, event giveaways, and professional race photos. Registration opens 1 September 2026 and closes 5 January 2027; the base fee is $50 and a $5 registration charge covers on site parking. Visit the organization's website for the most recent information.