Urb Cercado de Miraflores, Peru · Sunday 25 May 2025
Marathon Lima42K, held in Lima, Peru, is a prestigious event that attracts runners from around the world. The race features a full marathon distance and is a member of the Association of International Marathons and Distance Races (AIMS). With its fast and scenic course, this marathon is ideal for achieving personal bests. The event includes a strong field of elite runners, making it a competitive and exciting experience for participants. Whether you're a seasoned athlete or just starting out, th
Adjusted Time
4:27:50
Time difference: +27.8 minutes compared to a flat, road, temperate course.
Marathon Lima is a full marathon held in Urb Cercado de Miraflores, Peru, scheduled for Sunday 25 May 2025. The course is run on road surface with 406m of total elevation gain, reaching a maximum altitude of 148m above sea level. For registration and full race details, visit the official Marathon Lima website.
This is a hilly course with 406m of total elevation gain. The route climbs from 53m to as high as 148m above sea level — a substantial 95m elevation range. Runners should train on hills and plan for a more conservative pacing strategy, especially on the climbs.
Based on historical weather data for May, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 24°C and 30°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 (65%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Marathon Lima 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.
Our difficulty rating for Marathon Lima 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 Marathon Lima against other marathons to find the right race for your goals.