

ANNOUNCING: The Big Alta 100k
Oct 13, 2025
Jeremy Long, the founder of Daybreak Racing in Portland, shares exciting news about the inaugural Big Alta 100K. He reveals a stunning point-to-point course starting beneath the Golden Gate Bridge, tackling the scenic trails of Marin County. Listeners learn about the steep ascent of Mount Tam, the tough finish at Marinwood, and how the race aims to attract participants from all over. With a three-day trail festival planned, Jeremy discusses logistics and challenges faced in organizing this extraordinary event.
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Big Alta Expands To A 100K
- The Big Alta adds a new point-to-point 100K in March 2026, expanding race weekend to three days.
- The 100K accompanies existing 50K and 28K distances to create a festival-style event.
Seeded On A Couch With A Map
- Dylan and Jeremy conceived the 100K idea casually on Dylan's couch while looking at maps and backyard trails.
- The route idea evolved over three years into a formal race finishing at Marinwood to join Big Alta weekend.
Mount Tam Is The Halfway Pivot
- The course starts under the Golden Gate Bridge and climbs Mount Tam, making the summit zone the exact 50K halfway mark.
- The route is heavily front-loaded: ~8,000' in the first 50K and ~4,700' in the second 50K.