The 2026 Guayaquil Marathon has concluded.

Guayaquil Marathon

Race complete
Guayaquil, Ecuador · October 4, 2026
partly-cloudy-night79°·81° high·Light·Dry
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Race Day Weather

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79°at start
88° high
Light
Dry
Your goal
0:00:00

Warm and humid, pace conservatively

Runners will face temperatures starting at 79°F, rising to 88°F by the end, with high humidity at 82% and a dew point of 74°F. Light wind from the S will not significantly affect performance. To manage the heat, it's advisable to start conservatively and hydrate frequently throughout the race.

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Race Info

The Guayaquil Marathon is Ecuador's oldest World Athletics-certified marathon, first run in 2005 and held every year on the first Sunday of October during the city's independence-week celebrations. The 42.195-kilometer course starts and finishes outside the Palacio Municipal at the corner of República de Guayaquil and Pichincha streets, near the Malecón 2000 waterfront. A 12K, a 21K half marathon and a 5K run alongside it, all starting at 4:00 AM. The race is a Boston Marathon qualifier and draws more than 2,000 runners from Ecuador and neighboring countries such as Colombia, Peru and Venezuela.

Race weekend

Sunday, October 4
4:00 AM5K (3.1 mi)
4:00 AM12K (7.5 mi)
4:00 AM21K (13.1 mi)
Area Map

Course Map

FAQ

When is the 2026 Guayaquil Marathon?

The 2026 Guayaquil Marathon will be held on Sunday October 4, 2026.

Is the Guayaquil Marathon a Boston Marathon Qualifier?

Yes, the Guayaquil Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Guayaquil Marathon?

The forecast calls for a high of 90°F and a low of 77°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 4 years of data
Avg Temp
74°F
L:73° H:77°
RunScore
4
Conditions
Rain Freq
25%
1 of 4 yrs
Wind9mph
Dew67°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
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72°/75°Light
4
2024
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73°/77°-
4
2023
partly-cloudy-night
78°/81°-
3
2022
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70°/73°-
4