The Longest Day 100k
Greenville, United States • 13 Jun 2026
Event overview
The Longest Day is a one-day trail event at Lakewood Nature Preserve in Greenville, South Carolina on June 13, 2026. It is presented as part of the Upstate Race Series and offers multiple distance options. Registration includes park entry.
Format, course and distances
The event uses a 2-mile loop course on grass trails with rolling hills and partial shade through roughly 120 acres of forest and grass paths. The format is an elimination-style loop race: the first lap has a 45-minute allowed time and each subsequent lap has one minute less to complete. Runners who miss a lap cutoff must surrender their bib. Reaching lap 31 determines the overall winner.
Distances offered:
- 13.1
- 26.2
- 50k
- 50mi
- 100k
Aid station provisions include water, Coke, ginger ale, cookies, candy, and pickles. The event is cup-less; participants must bring their own bottle or cup. Packet pickup and camping options are available, with Friday evening tent setup and overnight camping offered during registration.
Included items
Registration includes a finisher medal, a custom race bib, event-themed giveaways, a race sticker, complimentary race photos, music and a post-race gathering, an iced/water towel, and a hydration sample. Visit the organization's website for the most recent information.