XTERRA Sleeping Giant
Last run August 2026Date TBA
Thunder Bay, Ontario
No date announced yet — what we know
- Last held Sunday, August 16, 2026 — the third Sunday in August.
- Distances last time 46km, 40km, 35km, 21km, 20km, 18km, 11km, 10km, 5km
- Start 400 Lyon Boulevard West, Thunder Bay, ON, Canada
RaceFinder re-reads the organizer's listing every morning. Nothing on this page is a confirmed 2027 date — the box under this one sends a single email the day one appears.
About this race
At the head of Lake Superior, in Ontario’s northwest the City of Thunder Bay has a wealth of outdoor adventure opportunities. Taking advantage of purpose-built mountain bike and recreation trails built over unique mesa rock formations cover in Boreal forest. Don’t miss this chance to enjoy what northwest Ontario has to offer.
— from the organizer's listing, read it in full
This race runs annually (last edition: August 16, 2026). The next date hasn't been announced — watch the organizer's page.
Listed via Race Roster. RaceFinder links you to the official page — always confirm date and details with the organizer. Your race? Update or claim this listing free →
Distances last time
- TRIATHLON • Kids Aged 6-9
Kids Triathlon - for children aged between 6 and 9 (ages as of December 31, 2026) 50M Swim/Splash | 800M Mountain Bike | 400M Trail Run
- TRIATHLON • Kids Aged 10-12
Kids Triathlon - for children/adolescents aged 10-12 (as of December 31st, 2026) 100M Swim | 2.4KM Mountain Bike | 800M Trail Run
- TRIATHLON • Full Off-Road
For those wanting the full experience of racing an off-road style event. The Full Triathlon is open to anyone and everyone. This race has qualifying spots to the XTERRA World Championships.
- TRIATHLON • Super Sprint Off-Road
This distance provides young athletes (13+) AND anyone new to triathlon a great place to start with a shorter event!
- DUATHLON • Full Distance
Run - Mountain Bike - Run! Replace the swim of the sprint off-road triathlon with a ~3km run and your are then on the exact same full distance course! If swimming is not your thing OR you just simply like the sticking to your strengths,…
- TRIATHLON RELAY (Captain) • Full Off-Road
Want to be a part of the XTERRA experience but don't want to take on the entire thing? A relay is just your thing. Here is where Team Captains register their team. Other Team Members register in the "Team Member" relay registration to join…
- RUNNING • Half Marathon Trail Run
This event is four laps of our very challenging run course!
- TRIATHLON • Sprint Off-Road
For those wanting the full experience of racing an off-road style event but not wanting to go quite as far.
- DUATHLON • Sprint Distance
Run - Mountain Bike - Run! Replace the swim of the sprint off-road triathlon with a ~3km run and your are then on the exact same course! If swimming is not your thing OR you just simply like the sticking to your strengths, the Duathlon is…
- TRIATHLON RELAY (Captain) • Sprint Off-Road
If you want to be a part of the event but don't think you can tackle the whole thing, grab a couple of friends and conquer the short distance tri course! Here is where Team Captains register their team. Other Team Members register in the…
- RUNNING • 10k Trail Run
If you think all of this multisport stuff is nonsense but would like to be a part of a fantastic atmosphere, then come out and enjoy the 10 km trail run. Held on the same run course as the triathlon and duathlon, you will not be…
- RUNNING • 5km Trail Run
If you think all this multisport stuff is nonsense but would like to be a part of a fantastic atmosphere, then come out and enjoy the 5 km trail run. Held on the same run course as the triathlon and duathlon, you will not be disappointed…
- TRIATHLON • Full Distance Pro/Elite
For pro/elite athletes ONLY.
- TRIATHLON RELAY (Team Member) • Full Off-Road
Here is where you join the team your captain has created!
- TRIATHLON RELAY (Team Member) • Sprint Off-Road
Here is where you join the team your captain has created!
Distances and details from the last edition's listing. Entry fees aren't shown because the next edition hasn't been priced yet.