The St Lawrence Marathon - marathon, half-marathon, 10K and 5K run. We're a certified Boston-Qualifier.
NEW FOR 2025 - Fundraise for the charity of your choice! Contact us for details on how to add your charity to our event.
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.
Registration fees
Prices are inclusive of mandatory charges, items, and fees
Marathon Spots remaining: 100
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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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$100.28Now registering 101 – Sell out
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Half-Marathon Sold out
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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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$78.50101 – 350
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$86.66Registrants 351 – Sell out
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10K Run Spots remaining: 101
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$34.93Registrants 1 – 50
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$40.37Registrants 51 – 100
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$45.82Now registering 101 – Sell out
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5K Run Spots remaining: 138
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$34.93Registrants 1 – 50
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$40.37Registrants 51 – 100
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$45.82Now registering 101 – Sell out
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Event schedule
- Sat., April 26, 2025 5:45 a.m. - Buses leave St. Lawrence College for Marathon Start Line
- Sat., April 26, 2025 7:00 a.m. - Marathon Start (Crysler Marina)
- Sat., April 26, 2025 9:00 a.m. - Half Marathon Start (St. Lawrence College)
- Sat., April 26, 2025 10:00 a.m. - 10km Start (St. Lawrence College)
- Sat., April 26, 2025 10:00 a.m. - 5km Start (St. Lawrence College)
- Sat., April 26, 2025 11:30 a.m. - Awards Ceremony (St. Lawrence College)
- Sat., April 26, 2025 1:00 p.m. - Finish Line Closes
Contact information
- Event contact
- Sebastian Warner
- Website
- Visit website