Adventure: Bronwyn Crossman trail running in the alpine beneath Mt. Baker, Washington

Adventure: Chris Solomon trail running on a ddry, dusty evening in the Methow Valley in spring, Washington

Adventure: Roslyn Luke trail running in late summer in Yakima Canyon, Washington

Outdoor Lifestyle: Rose Wetzel-Sinnett trail running in Discovery Park at sunset in late summer, Seattle, Washington

Outdoor Lifestyle: Rose Wetzel-Sinnett trail running in Discovery Park at sunset in late summer, Seattle, Washington

Outdoor Lifestyle: Rose Wetzel-Sinnett trail running in Discovery Park at sunset in late summer, Seattle, Washington

Adventure: Charlie Ware trail running in the Wenatchee Mountains near Cle Elum, Washington

Adventure: Justin Nejbauer trail running on the Lake 22 trail in spring, Central Cascades, Washington

Adventure: Andrew O'Connor spashes through a creek while trail running near a waterfall in Yakima Canyon, Washington

Adventure: A trail runner steps in a stream on the Lake 22 Trail, Central Cascades, Washington

Adventure: Basit Mustafa trail running through the subalpine in winter, Rocky Mountains, Colorado

Adventure: A woman takes a breat to stretch while trail running during a fall snow squall in the San Juan Mountains, Telluride, Colorado

Adventure: Louis Aravelo trail running in the snow on the Apex trail near Golden, Colorado

Adventure: A young woman trail running in the snow, Tiger Mountain State Forest, Central Cascades, Washington

Adventure: Ariel Gliboff trail running in the snow on a sunny day in Yakima Canyon, Eastern Washington

Adventure: Chris Motley trail running in Yakima Canyon in winter, Central Cascades, Washington

Adventure: Chris Motley trail running in Yakima Canyon in winter, Central Cascades, Washington

Adventure: Allison Morgan and Camelia Mayfield getting ready for a trail run in the desert near Ben, Oregon

Adventure: Jennifer Forrester and Andrew O'Connor trail running in the alpine, Mt. Rainier National Park, Washington

Adventure: Jennifer Forrester trail running below the Paradise Glacier and Little Tahoma, Mt. Rainier National Park, Washington

Adventure: Alex Aizenman trail running at Yellow Aster Butte in the North Cascades in autumn, Washington

Adventure: Alex Aizenman trail running beneath a rainbow at Yellow Aster Butte in the North Cascades in autumn, Washington

Adventure: Bronwyn Crossman trail running through the alpine tundra in autumn, Mt. Baker Wilderness, Washington

Adventure: Jennifer Forrester and trail running in the alpine, Mt. Rainier National Park, Washington

Adventure: Rella Billie trail running along a dusty trail in Yakima Canyon, Washington

Adventure: Chris Solomon trail running through a field of balsam root wildflowers in the Methow Valley in spring, Washington

Adventure: Chris Solomon trail running past an old abandoned house in the Methow Valley in spring, Washington

Adventure: Elizabeth Kovar trail running above Yakima Canyon at sunset, Cascade Foothills, Washington

Adventure: Ariel Gliboff trail running in the fog, Mt. Erie, Anacortes, Washington

Adventure: Andrew O'Connor trail running in the alpine, Mt. Rainier National Park, Washington

Adventure: Josh Dedering trail running in Garrapatta State Park, Big Sur Coast, California

Adventure: Melissa Hagedorn trail running in the Cainville Mesa badlands, Cainville, Utah

Adventure: Olympic steeplechase athlete Emma Coburn trail running at Torrey Pines State Park, San Diego, California

Adventure: Julia Malon, Roxanne Vogel, and Caitlin Landesburg getting ready for a trail run at Mt. Tamalpais, Marin County, California

Adventure: Mario Mendoza getting ready for a trail run in the desert near Ben, Oregon

Adventure: Mario Mendoza trail running by headlamp, Smith Rock State Park, Oregon

Adventure: Andrew O'Connor trail running near a waterfall in Yakima Canyon, Washington

Adventure: A young woman trail running below Mt. Baker, Mt. Baker Wilderness, Washington

Adventure: Charlie Ware trail running in the Wenatchee Mountains near Cle Elum, Washington

Adventure: Charlie Ware and Eva Hsu rail running in the Wenatchee Mountains near Cle Elum, Washington

Jessica Heyting trail running in Spray Park, Mt. Rainier National Park, Washington

Trail running in late spring, Sedona, Arizona.

Trail running in late spring, Sedona, Arizona.

Trail running in late spring, Sedona, Arizona.

Trail running in late spring, Sedona, Arizona.

Autumn Trail running in the North Cascades, Washington

Autumn Trail running in the North Cascades, Washington

Autumn trail running in the Central Cascades, Washington

Autumn Trail running in the Central Cascades, Washington