SISU 100

• Lumberjack 100

  Apr 17, 2027Port Gamble, WA100 mi, 100K +1

  50 Mile, 10 weeks before race day, 74 mi away

• Ancient Lakes Trail Run

  Apr 10, 2027Quincy, WA50 mi, 50K +2

  50 Mile, 11 weeks before race day, 75 mi away

• Squak Mountain

  Apr 17, 2027Issaquah, WA50K, Half Marathon +1

  50K, 10 weeks before race day, 38 mi away

• Gorge Waterfalls

  Apr 16, 2027Cascade Locks, OR50K

  50K, 10 weeks before race day, 96 mi away, registration open

Straight-line distance

• Yeti Ultra Trail Washington

  Jun 25, 2027Hyak, WA100 mi, 100K +1

  Also 100 miles, 26 mi from SISU 100

• Cascade Crest

  Jul 16, 2027Easton, WA100 mi

  Also 100 miles, 23 mi from SISU 100

• Devil's Gulch

  Jul 10, 2027Wenatchee, WA100 mi, 50 mi +1

  Also 100 miles, 57 mi from SISU 100

• Dark Divide Trail Races

  Sep 3, 2027Randle, WA100 mi

  Also 100 miles, 44 mi from SISU 100

Straight-line distance