Starting at 61°F, heat will be a factor from the gun — go out conservative and stay on top of hydration. Light winds shouldn't be a major factor for pacing. Moderate humidity at 66% is worth noting for effort level, especially in later miles.

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Distance: 6.2mi

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About the Marathon de Longueuil 10 km

The 10 km starts and finishes at Colisee Jean-Beliveau in Longueuil and circles Parc Michel-Chartrand on Boulevard Jean-Paul-Vincent and Chemin du Lac. It adds a short loop on Rue des Hirondelles and an out-and-back along Boulevard Fernand-Lafontaine and Rue Adoncour before returning along Boulevard Cure-Poirier Est to the finish. The route is on closed city roads and is flat from start to finish. Walkers can enter this distance alongside the runners.

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Race weekend

Sunday, May 17

7:45 AM10 km (6.2 mi)

8:15 AM21.1 km (13.1 mi)8:15 AMMarathon (26.2 mi)

11:30 AM5 km (3.1 mi)

12:00 PM1 km (0.6 mi)

12:20 PM2 km (1.2 mi)

Course Map

Marathon de Longueuil 10 km FAQ

When is the 2026 Marathon de Longueuil 10 km?

The 2026 Marathon de Longueuil 10 km will be held on Sunday May 17, 2026.

What is the time limit for the Marathon de Longueuil 10 km?

The time limit for the Marathon de Longueuil 10 km is 2 hours.

What will the weather be like for the 2026 Marathon de Longueuil 10 km?

The forecast calls for a high of 73°F and a low of 57°F with a 0% chance of rain. Check our detailed hourly forecast above for the best 10K race plan.

What is the weather usually like for the Marathon de Longueuil 10 km?

Over the 6 years racecast.io has race-day weather for (2016 to 2026), it averaged 61°F at the start and 62°F by a typical finish. It has not rained during race hours in any of those years.

What was the hottest Marathon de Longueuil 10 km?

Of the 6 years on record, 2022 was the warmest, reaching 69°F during race hours. The coldest start was 2025, at 55°F.

What was the windiest Marathon de Longueuil 10 km?

Of the 6 years on record, 2023 was the windiest, with wind averaging 13 mph during race hours. The calmest was 2026, at 3 mph.

Marathon de Longueuil 10 km weather history

Based on 6 years of data

Avg Temp

61°F

L:61° H:62°

RunScore

Conditions

Rain Freq

0 of 6 yrs

Wind9mph

Dew52°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Marathon de Longueuil 10 km Partly cloudy throughout the day. 2026	59°/61°	-	54°
2025 Marathon de Longueuil 10 km Cloudy skies throughout the day with rain. 2025	55°/56°	-	52°
2024 Marathon de Longueuil 10 km Clearing in the afternoon. 2024	63°/65°	-	51°
2023 Marathon de Longueuil 10 km Partly cloudy throughout the day with late afternoon rain. 2023	59°/60°	-	48°
2022 Marathon de Longueuil 10 km Partly cloudy throughout the day. 2022	68°/69°	-	62°
2016 Marathon de Longueuil 10 km Clearing in the afternoon. 2016	59°/60°	-	47°

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