Upriver Running Fall Races

OCT
3
2026
Trail races in Thunder Bay featuring a 2.5 km kids run plus 10 km, 25 km and 50 km courses with aid stations, chip timing and finisher medals.
Sat 3 Oct 2026
50 kilometers 25 kilometers 10 kilometers

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UpRiver Running Fall Races

The UpRiver Running Fall Races are an annual trail running event in Thunder Bay, Ontario, with all distances starting and finishing at Kinsmen Park (Trowbridge). Distances offered include a kids trail run and three main trail distances.

  • 2.5 km Kids Trail Run
  • 10 km
  • 25 km
  • 50 km

Most of the courses use single-track trails through areas such as the Shuniah Mines trails, Cascades Conservation Area, Centennial Park and Trowbridge Park trails. The 25 km is a revised single-loop course with two out-and-back sections and about 370 m of climbing. The 50 km consists of two 25 km loops and is described as a technical course with rolling terrain.

The event is chip timed and will be cupless, so participants should bring a reusable cup, bottle or hydration bladder. Aid stations and their supplies include: Balsam Aid Station: water, Tailwind drink mix, gummies. Cascades Aid Station: water, Tailwind, chips, fruit, coke, Precision Fuel gels and salt capsules. Kinsmen Aid Station: water, Tailwind, snacks, PB and J wraps, gels, coke and coffee.

Participants receive a finisher medal; the first finisher in each age division (39 and under, 40+ Masters, 50+ Grand Masters) in the 10 km, 25 km and 50 km events will receive awards. The Kids Trail Run also includes a finisher medal. Other event details: chip timing, free vegan friendly chili for participants, a free shuttle to and from Current River Community Centre, non refundable race entries, bib transferability until the registration deadline, optional T shirts and vegan burritos for an extra fee, and youth pricing of $40 for those 17 and under. Visit the organization's website for the most recent information.

50 km
50k
25 km
25k
10 km
10k
Kids Trail Run 2.5k
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