Endless Trails Series Registrations

Endless Trails Series Registrations - March 21 - October 31, 2026

Register for the 2026 Endless Trails Series! We offer series registrations for those interested in running multiple races, providing significant savings compared to individual event registrations.

Series Options:

In-person shorties

• 4/18: Cottontail 6-hour
• 6/6: Sharlie Shuffle 6-hour
• 10/10: Sasquatch Shuffle 20k
• 10/24: Carkeek 6-hour

Virtual shorties

• 3/21-4/19: Apex Aries 6-hour
• 4/1-4/30: Cottontail 6-hour
• 6/1-6/30: Sharlie Shuffle 6-hour
• 7/1-8/31: Summer Shuffle 6-hour
• 10/1-10/31: Sasquatch Shuffle 20k
• 10/1-10/31: Carkeek 6-hour

In-person long legs

• 4/18: Cottontail 12-hour
• 6/6: Sharlie Shuffle 12-hour
• 10/10: Sasquatch Shuffle 50k
• 10/24: Carkeek 12-hour

Virtual long legs

• 3/21-4:19: Apex Aries 12-hour
• 4/1-4/30: Cottontail 12-hour
• 6/1-6/30: Sharlie Shuffle 12-hour
• 7/1-8/31: Summer Shuffle 12-hour
• 10/1-10/31: Sasquatch Shuffle 50k
• 10/1-10/31: Carkeek 12-hour

Double trouble WA

• 4/18: Cottontail 12-hour
• 10/24: Carkeek 12-hour

Double trouble ID

• 6/6: Sharlie Shuffle 12-hour
• 10/10: Sasquatch Shuffle 50k

Virtual virtuoso

Registration for all virtual events, including Apex Aries, Gemini Guppie, all 12-hour and 6-hour registrations, and all Sasquatch distances (50k, 30k, 20k). Special prize for completing all.

Historic series points results

Points are awarded after each event based on performance and accumulate throughout the year. View 2025 results for In-Person and Virtual Series.

Run club competition

New in 2026: A series-wide run club competition. Miles run count towards your club's total. A trophy will be awarded to the run club with the highest tally.