Manaus Marathon

Manaus Marathon 2025 Course Analysis

Manaus Marathon is a full marathon held in Manaus, Brazil, scheduled for Sunday 13 April 2025. The course is run on road surface with 374m of total elevation gain, reaching a maximum altitude of 75m above sea level. For registration and full race details, visit the official Manaus Marathon website.

Elevation Profile

This is a hilly course with 374m of total elevation gain. The route climbs from 24m to as high as 75m above sea level — a substantial 51m elevation range. Runners should train on hills and plan for a more conservative pacing strategy, especially on the climbs.

Expected Race Day Weather

Based on historical weather data for April, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 25°C and 29°C. Heat is one of the biggest performance factors in marathon running — research shows that for every degree above 15°C, marathon times slow by approximately 1-2%. Extra hydration and a conservative start are strongly recommended. There is a high chance of rain (63%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.

Surface Type: Road

Manaus Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.

How Difficult Is Manaus Marathon?

Our difficulty rating for Manaus Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.

Looking for an easier marathon or a tougher challenge? You can also compare Manaus Marathon against other marathons to find the right race for your goals.