Semper Fi Father's Day 10k
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Semper Fi Father's Day 5k, 10k, & 1M
This event takes place on June 21, 2026 at 7301 High Point Road in Lorton, Virginia, with courses routed through Mason Neck State Park. The organizer describes the 5K and 10K as scenic and flat and notes they run along a paved bike path.
The event includes these race options:
- 5K
- 10K
- Kids 1-Miler
- Virtual entries
In-person registration fees for the 5K and 10K include the park entrance fee and vary by registration period. Virtual options are offered with different package choices, including entries with a medal and with a medal and shirt. Pricing is listed separately for each event and registration window.
Facilities and logistics are arranged around the state park setting. The course surface for the 5K and 10K is paved bike path through parkland. Event materials note separate entry categories for children and virtual participants, and the registration structure reflects multiple price tiers for early and later registration windows. Visit the organization's website for the most recent information.
