Contact Us


Have a question or need help with returns, exchanges, or not sure what model is the right one for you? Please send us an e-mail at newtonsupport@newtonrunning.com

We're much faster at responding via e-mail than we are via phone. If you have questions about your online order, please include your order number in your e-mail.

If you have any marketing requests, or questions about our website, please contact our Digital Marketing Manager

Newton Running World Headquarters

3655 Frontier Avenue
Boulder, CO 80301

  • (877) 860-7695 Toll Free Mon - Fri 9 a.m.-5 p.m. (MST)
  • (303) 442-1113 in Boulder Mon - Fri 9 a.m.-5 p.m. (MST) 

Shipping Details

Delivery Options  
 UPS Ground  Ships same business day if ordered before 10AM MST
 Please allow 4-6 days for delivery
 UPS Three Day  Ships same business day if ordered before 4PM MST
 UPS Two Day  Ships same business day if ordered before 4PM MST
 UPS Next Day  Ships same business day if ordered before 4PM MST