Registration opens Jan 2, 2018 on UltraSignup. No race day registration. If an event is filled, it will be indicated on the UltraSignup Register pop-up menuSpecial offer: if you race Fat Dog 2018, you get 50% off Brigade  race (50 or 19 mile on Sep 8).

Registration Site

Fees in Canadian Dollars

120 mile: $335 by March 31/$355 on April 1.
70 mile: $235 by March 31/$260 on April 1.
50 mile: $180 by March 31/$195 on April 1.
40 mile: $150 by March 31/$165 on April 1.
Relay Team: $639 per team by March 31/$675 on April 1.

Transfer Distance

You can transfer to a different distance in Fat Dog. You cannot transfer an entry to another person. You may transfer to the Brigade Trail race within the same year.

Refund Policy

If you cannot attend, contact us by March 31 to get a partial refund. No refunds after that date.  If you cannot race but can volunteer on race weekend, you can get a deferral for the following year.


Included if you register by Mar 31. After that, size is not guaranteed. Note: you will want the shirt.
There is an optional souvenir hoodie that you can purchase during registration.

Make Purchases after Registration

To buy a full zip hoodie, or Buff, or trail work fund, go back to the UltraSignup registration page and click the STORE button.