Contact Humberstone Speedway Humberstone Speedway 1716 Main St EPort Colborne, ONL3K 5V3 CALL: 905-329-8028 Open in Google Maps (Button opens a new window) FOLLOW US ONLINE: FollowFollow Send Us A Message Use the form on this page to send us a message. Please be as descriptive as possible. We will get back to you as soon as possible! Name Email Address Phone Message 15 + 4 = Submit