The St Lawrence Marathon - marathon, half-marathon, 10K and 5K run. We're a certified Boston-Qualifier.
The marathon start time is at 7am
18 and under, 70-79 will get 40% off
80+ can run for free
This discount will be applied automatically at checkout.
There are no refunds or deferrals. Please purchase the Race Roster Protection if you want to be eligible for a refund.
Registration fees
Prices are inclusive of mandatory charges, items, and fees
Marathon Spots remaining: 135
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42.2km *Boston Qualifier*
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$83.94
Early bird pricing
Registrants 1 – 50 -
$92.12Registrants 51 – 100
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Register for Marathon$100.28Now registering 101 – Sell out
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10K Run Spots remaining: 69
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$34.93Registrants 1 – 50
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$40.37Registrants 51 – 100
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Register for 10K Run$45.82Now registering 101 – Sell out
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Half-Marathon Spots remaining: 31
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21.1km
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$62.15Registrants 1 – 50
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$70.33Registrants 51 – 100
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$78.50Registrants 101 – 175
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Register for Half-Marathon$86.66Now registering 176 – Sell out
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5K Run Spots remaining: 120
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$34.93Registrants 1 – 50
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Register for 5K Run$40.37Now registering 51 – 100
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$45.82Registrants 101 – Sell out
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Event schedule
- Sat, April 25, 2026 5:45 a.m. - Buses leave St. Lawrence College for Marathon Start Line
- Sat, April 25, 2026 7:00 a.m. - Marathon Start (Crysler Marina)
- Sat, April 25, 2026 9:00 a.m. - Half Marathon Start (St. Lawrence College)
- Sat, April 25, 2026 10:00 a.m. - 10km Start (St. Lawrence College)
- Sat, April 25, 2026 10:30 a.m. - 5km Start (St. Lawrence College)
- Sat, April 25, 2026 11:30 a.m. - Awards Ceremony (St. Lawrence College)
- Sat, April 25, 2026 1:00 p.m. - Finish Line Closes
Contact information
- Event contact
- Race Director
- Website
- Visit website
