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Running calendar Canada 2025-2026

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Explore the best running races in Canada for 2025-2026! Our updated list features 867 exciting races across the country. Find your next race in Canada below and join the running community at these great events!

Half Marathons Marathons Obstacle Runs Trail Runs Triathlons
May 2025
May
15
Thursday

Margaritas & Miles

5 km
May
16
Friday

The First Hour

Trail Run 8 km
May
17-18
Sa - Su

Toronto Spartan Event Weekend

Obstacle Run 5 km 10 km 4 hr
May
17
Saturday

Bear Mountain Trail Race

Trail Run 8 km 15 km 30 km
May
17
Saturday

Big D's Backyard Ultra and Trail Race

Backyard Ultra 6 hr 12 hr 24 hr
May
17
Saturday

Blue Nose Marathon

5 km 10 km 21 km 42 km
May
17
Saturday

Lakou Backyard Ultra

Backyard Ultra 6 km
May
17
Saturday

Early Bird Triathlon & Run

Triathlon
May
17
Saturday

Reesor 50

Trail Run 42 km 83 km
May
17
Saturday

Saint Andrews Brew Co. Wharfbound 19k

Trail Run 5 km 11 km 19 km
May
17
Saturday

Confederation Park 5K

5 km
May
17
Saturday

Run the Runway - Wetaskiwin

5 km
May
18
Sunday

Trail du Coureur des Bois de Duchesnay

Trail Run 3 km 8 km ... 34 km 48 km
May
18
Sunday

Marathon de Longueuil

3 km 5 km ... 21 km 42 km
May
18
Sunday

Red Deer Marathon

10 km 21 km 42 km
May
18
Sunday

Run for Renee 5km

5 km
May
18
Sunday

Dave Mounsey Memorial Fund Run Around the Square

5 km 10 km 21 km
May
18
Sunday

London Road Races

5 km
May
19
Monday

Watford Alvinston Road Race

8 km 16 km
May
19
Monday

Victoria Day Royal Race

5 km
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