2025 Online Registration
Note: If you are registering for 3 events you qualify for a 10% discount or 15% for 4-5 races!
* multi-race discounts can now be done online! To receive your discount for registering for 3 or more races please go the SERIES REGISTRATION page and select the “Register for Multiple Events” Tab. Unfortunately, we will no longer be accepting entries via mail, email or by phone.
- To take advantage of the multi-race discount, you MUST register for all the events at the same time. No discounts will be applied retroactively.
- Relay events are not a part of the multi-race discount
- Please note that on-line registration for Guelph Lake 1 and Guelph Lake 2 will close the THURSDAY before the race at 10am. All others events are Friday at 10 am. On-site registration is still available at all events unless the race is previously SOLD OUT. We will put a note on the homepage and race page of the Series website if this is the case. By registering for a race I understand that there is a REFUND POLICY.
- If you would like to become a Triathlon Ontario member please do so BEFORE you register for a race. We do not offer refunds for one day fees if you later decide to become a member. Click here to join Triathlon Ontario.
Online Registration Additional Notes
- REFUND POLICY: See refund policy page for details
Registration Age Restrictions
It has been approved that 14 would be the minimum age to race in Subaru Series Try-a-Tri distance races. Each athlete must be at least in their 14th year at the time of the race. (ie- a 13 year old can race if their birthday is before the end of Dec 31 that year).
Because of the race distances of some of the events Triathlon Ontario requires that each athlete meet the minimum age requirements.
Registration Ages
* Age requirements means turning that age BEFORE December 31st of the competing season.
| Milton Sprint | Athlete must be in their 16th year |
| Guelph One Sprint | Athlete must be in their 16th year |
| Guelph One Olympic | Athlete must be in their 18th year |
| Niagara Sprint | Athlete must be in their 16th year |
| Guelph Lake 2 Sprint | Athlete must be in their 16th year |
| Owen Sound Sprint | Athlete must be in their 16th year |
| Owen Sound Olympic | Athlete must be in their 18th year |
*These age restrictions apply to triathlon, duathlon, swim/bike and relay races of the above categories.