Running Up For Air - Tiger Mountain

For a profound test of endurance and a chance to contribute to a vital cause, look no further than Running Up For Air - Tiger Mountain. Held on April 18, 2026, in scenic Issaquah, WA, this unique event challenges runners to conquer the formidable Tiger Mountain over 3-hour, 6-hour, or 12-hour timeframes. Each demanding 8-mile loop involves over 3,000 feet of vertical gain, ascending Tiger Mountain primarily via trails like the formidable Section Line to the summit of West Tiger #1 before returning to the start. Runners will navigate steep, lush forested terrain, offering breathtaking views as they push their limits.

More than just a race, Running Up For Air is an integral part of the "Up For Air Series," dedicated to raising awareness and funds for clean air initiatives. Participants are encouraged to gather pledges for each lap completed, directly supporting organizations such as Washington Conservation Action and Protect Our Winters in their fight against air pollution. The event fosters a strong sense of community and connection, providing a supportive atmosphere for this impactful endurance challenge. Typical race day conditions in mid-April offer comfortable highs around 60F and lows of 43F, with a relatively low 12% chance of precipitation.

The race hub at Clark Elementary School serves as the start/finish area, featuring a welcoming warming tent and a well-stocked aid station offering warm food and beverages. Additional, limited water and aid are available at the West Tiger 1 Hiker's Hut at the summit. Running Up For Air - Tiger Mountain is an inspiring opportunity to challenge your physical and mental fortitude on stunning trails while making a tangible difference for environmental health in the Pacific Northwest.