Sat 8:30 am–2 pm

Fall 5K & Festival at National Arboretum

National Arboretum · Northeast · $45–$60 for the 5K (price rises in tiers; free for ages 0–12); festival activities free · ★ 4.7 (6369)

Run a 5K through peak foliage at the Arboretum, then stick around for a costume contest and bulb sale.

5K run/walk plus festival at the National Arboretum, 8:30am–2pm, with a Halloween costume contest, bulb sale, and free family activities; proceeds benefit Friends of the National Arboretum (FONA).

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Updated Friday, October 30, 2026 · real listings, pulled from 130+ sources and reviewed by a person.

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