50K
50K
Sat, Oct 3 · 7:00 AM
$100
Hosted byUpriverrunning
UpRiver Running Fall Races brings a trail day to Thunder Bay each fall, with distances that suit both longer trail efforts and shorter community runs. The 2026 edition includes 50K, 25K, 10K, and a Kids Trail Run.
For runners comparing local trail options, it fits alongside other trail races in Thunder Bay.
50K
Sat, Oct 3 · 7:00 AM
$100
25K
Sat, Oct 3 · 9:30 AM
$65
10K
Sat, Oct 3 · 11:30 AM
$55
2.5K
Sat, Oct 3 · 10:45 AM
$15
Prices from the organizer. Please check the official website for up-to-date times and pricing.
Thunder Bay trail races on Saturday, October 3, 2026
Parent event with 50K, 25K, 10K, and Kids Trail Run options
Start and finish at Kinsmen Park (Trowbridge)
Mostly singletrack trails with some doubletrack on the 25K
About 370m of climbing on the 25K course
50K uses the same route twice
Kids 2.5K trail run for younger runners
All races start and finish at Kinsmen Park (Trowbridge) off Trowbridge Road in Thunder Bay. The 25K is a single-loop course with two short out-and-back sections, using mostly singletrack with some doubletrack through Shuniah Mines trails, Cascades Conservation Area, Centennial Park, and parts of Trowbridge Park. The 25K includes about 370m of climbing. The 10K is a single loop through Shuniah Mines and back, and the 50K follows the same route twice. On-course aid stations and a water station between aid stations are part of the setup.
Kinsmen Park (Trowbridge) · Trowbridge Road, Thunder Bay, ON, Canada. This map shows the venue, not the course route.
Organizer
The Running Directory combines organizer-provided details, official race links, and ongoing listing research. Always confirm final dates, prices, times, and course details with the race organizer before registering.
Last updated: October 2, 2026
Official registration(opens in a new tab)