Then dog PACER is for you! LF 3.1 Treadmills. Minipacer Treadmill. Treadmill Accessories. Get In Touch. We would love to hear from you! Fill out the form to get in touch with us or use our online chat between the hours of 9 to 5 Monday – Friday if you have a quick question or comment about dog PACER. Name. Email Address. Message.