The Summer Forest 5k, 10K, and Half Marathon returns to Triangle in Virginia on June 27th, offering runners a unique blend of paved roads and wooded trails through Prince William Forest Park. Participants will traverse the rolling hills and lush landscapes that define this part of Northern Virginia, with each step echoing under the canopy of trees and along quiet paths rarely disturbed by crowds.
On race day, the air carries hints of morning dew as sunbeams filter through dense foliage, casting a gentle glow over the park’s winding trails. The early June weather promises moderate temperatures, creating an ideal setting for runners to push their boundaries within nature's embrace. Community spirit thrives at this event, with locals and visitors alike coming together to support one another along every mile.
Established as a beloved tradition in Triangle since its inaugural run several years ago, the Summer Forest race series has grown significantly each year, drawing hundreds of participants from across Virginia and beyond. The event not only celebrates athletic achievement but also supports local environmental conservation efforts through partnerships with Prince William County Parks Foundation. Each finish line crossed is a testament to both personal growth and community stewardship.
The course itself takes runners on a scenic journey through the heart of Prince William Forest Park, where paved roads offer smooth transitions between sections of challenging trail terrain. The half-marathon route extends further into the park’s more secluded areas, while the 5K and 10K paths stick closer to maintained trails that wind around picturesque ponds and along historic sites within the forest boundary. Distinctive features such as wooden bridges and scenic overlooks punctuate the course layout, providing runners with memorable moments of awe amidst their efforts.
For starters, bib pickup occurs at Prince William Forest Park’s main entrance on June 26th from noon until 8 PM local time; participants must bring photo ID for verification. The race begins promptly at 7 AM the following morning near the same location where packets were distributed. All runners should be prepared to show up an hour early, with age requirements set at open registration for all ages but highly recommended for those aged 14 and above without adult supervision.
A first-timer’s checklist includes reviewing safety guidelines posted online via https://raceroster.com/events/2026/116118/summer-forest-5k-10k-and-half, securing proper footwear suited to both paved surfaces and dirt trails, and hydrating well in advance of the event start. Given typical June weather conditions averaging around 24°C with occasional breezes and humidity levels reaching up to 67%, runners should expect a comfortable yet active experience that may include brief periods of rainfall.
10K
10km • Start: 07:30:00 • Fee: $54.98
5K
5km • Start: 07:30:00 • Fee: $38.96
Half Marathon
21km • Start: 07:30:00 • Fee: $76.33
Virtual with Medal
Start: 07:30:00 • Fee: $20.82
Virtual with Medal and Shirt
Start: 07:30:00 • Fee: $33.63
Virtual without Medal/Shirt
Start: 07:30:00 • Fee: $12.28
The Summer Forest 5k, 10K, and Half Marathon in Triangle, Virginia on June 27th invites all who seek adventure within nature’s embrace. Join this community-driven event to enjoy the beauty of Prince William Forest Park while making a positive impact through your participation.
