Thank you for your interest in becoming a Birkie Trail Run & Trek Volunteer! We could not put on these world class events without your time and efforts! Please call the Birkie Office at (715)634-5025 x:2, Monday - Friday 8:00am - 4:00pm CST, or email Ronda Tworek, Volunteer Coordinator, at ronda.tworek@birkie.com , should you have questions about Volunteering.