Sea to Sky

• The Big Alta

  Mar 19, 2027Marinwood, CA50K

  50K, 6 weeks before race day, 44 mi away, registration open

• Marin Ultra Challenge

  Mar 13, 2027Sausalito, CA50 mi, 50K

  50K, 7 weeks before race day, 56 mi away

• Chabot/Redtail Ridge Trail Run

  Feb 20, 2027Castro Valley, CA50K, 35K +3

  50K, 10 weeks before race day, 76 mi away

• Rattlesnake Dick

  Mar 20, 2027Cool, CA50K, 25K +1

  50K, 6 weeks before race day, 118 mi away

Straight-line distance

• The Canyons Endurance Runs™ by UTMB®

  Apr 22, 2027Auburn, CA100 mi, 100K +2

  Also 100K, 116 mi from Sea to Sky, registration open

• Lake Sonoma 100K, 50K & TS Half

  Apr 10, 2027Healdsburg, CA100K, 50K +1

  Also 100K, 19 mi from Sea to Sky

• Desert RATS Trail Running Festival by UTMB

  Apr 8, 2027Fruita, CO100K, 50K +1

  Also 100K, 3 weeks before Sea to Sky, registration open

• Oh Meu Deus by UTMB

  Apr 30, 2027Seia100 mi, 100K +2

  Also 100K, the same weekend as Sea to Sky, registration open

Straight-line distance