AllTrails

A record-high of 63 million people hiked in the U.S. in 2024, according to the Outdoor Industry Association—an increase of 5 million in just four years. Helping explorers of all skill levels navigate terrain is AllTrails, a platform offering more than 500,000 verified trail maps for hiking, biking, and running that saw its global users balloon from 10 million in 2019 to more than 95 million in March 2026. Though a version of the AllTrails app is free, the company bolstered its paid-subscription offerings in 2025 to include expanded offline maps, custom routes (allowing users to modify existing trails), reporting on conditions like weather and mosquito activity, and an AI-powered feature that identifies plants and insects.

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