The Lost Valley Trail Race 2026

Event Overview

THIS IS FOR THE 2026 RACE!

We are proud to announce that this event is sanctioned by Athletics Ontario.

Partnerships

• La Sportiva: We are thrilled to announce that we are partnering with La Sportiva for all of our events this year. Not only will La Sportiva be at our races with their demo fleet of shoes to try but they will also be giving away 2 pairs of shoes at every event!
• THN Labs: We are also now working with a new, LOCAL, nutrition company called THN Labs. They are generously providing each runner with gels in their race kit as well as gels available at our aid stations.
• Ingredients: The gels contain only 4 ingredients: maple syrup, tahini, sea salt, and rowanberry extract.
• More Info: For more information on the product, click on their logo.

Race Description

Lost Valley Trail Race: A point-to-point trail race that takes runners on an adventure from Burlington to Dundas along the Iroquoia Section of the iconic Bruce Trail.

• Race Options: There are two options to choose from: 10k and 25k.
• Start and Finish: Participants will board a bus that will take them from the finish line to the starting line.
• Parking: Please park at Dundas Valley Conservation Area, which is where both races will finish.
• Course Navigation: Participants must be able to follow trail blazes.

PLEASE NOTE: In 2026, we will be limiting the registration to 180 participants to keep this race as a community event with a grassroots vibe.

The 25km Race

• Parking: Participants will park at the Dundas Valley Conservation Area (parking fees are included in the race registration fee).
• Bus Transportation: Board a bus that will take them to Cityview Park in Burlington.
• Course GPX: Click to view the 25km Course GPX File.
• Course Description: Participants will follow the rolling single track along the Niagara Escarpment and through the Smokey Hollow area, encountering steep climbs and magnificent views along the way.

The 10km Race

• Parking: Participants will park at the Dundas Valley Conservation Area (parking fees included).
• Bus Transportation: Board a bus that will take them to Rock Chapel Conservation Area in Dundas.
• Course GPX: Click to view the 10km Course GPX File.
• Course Description: This race consists of 75% trail and 25% road with a net downhill course featuring beautiful views mixed with climbs and technical sections.

Race Swag

Here are all of the things that are included in your race fee:

• Bus Ride: From the finish line at the Dundas Valley Conservation Area to the start line of each race distance.
• Happy Trails Racing Socks: Perfect for after the race!
• Neck Gator: Useful for changing weather conditions.
• Aid Stations: Along the course, providing essential race support.

Location

The Dundas Valley Conservation Area is the perfect ending point for this event, featuring great services and activities for spectators.

Aid Stations

There will be 3 aid stations along the 25km course and 1 aid station on the 10km course, offering various snacks and drinks. Please note that all Happy Trails Racing events are cup-less, so you will need a collapsible cup or bottle to fill at the aid stations.

Poles

You are welcome to use poles for this race.

Post Race Food

We do not include meals in our race registration fees to accommodate different dietary needs. However, there are many great places to eat in Dundas after the race.

Refund Policy

Happy Trails Racing offers a great policy regarding race refunds/transfers: register with confidence knowing that you can take advantage of our early bird pricing and, if necessary, back out with a 100% race credit up to 30 days before the race.

Additional Information

For more details and to register, please visit The Lost Valley Trail Race page.