Connemarathon

Connemarathon 2025 Course Analysis

Connemarathon is a full marathon held in Maam Cross, Ireland, scheduled for Sunday 27 April 2025. The course is run on road surface with 362m of total elevation gain, reaching a maximum altitude of 99m above sea level. For registration and full race details, visit the official Connemarathon website.

Elevation Profile

This is a hilly course with 362m of total elevation gain. The route climbs from 7m to as high as 99m above sea level — a substantial 92m 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. Near-ideal running temperatures are expected, ranging from 12°C to 14°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a high chance of rain (100%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.

Surface Type: Road

Connemarathon 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 Connemarathon?

Our difficulty rating for Connemarathon 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 Connemarathon against other marathons to find the right race for your goals.