
Cork, Ireland · Sunday 1 June 2025
Held in the vibrant city of Cork, Ireland, this half marathon offers a fantastic blend of urban energy and scenic river views. The route weaves through the historic city center, past landmarks like St. Patrick’s Street and the River Lee, before taking runners on a varied course with rolling hills and flat stretches. Known for its enthusiastic local support, the race boasts a fantastic atmosphere, with cheering crowds, live music, and plenty of Irish charm. The event is well-organized, featuring
Adjusted Time
1:42:42
Time difference: -2.3 minutes compared to a flat, road, temperate course.
Cork City Half Marathon is a half marathon held in Cork, Ireland, scheduled for Sunday 1 June 2025. The course is run on road surface with 83m of total elevation gain, reaching a maximum altitude of 35m above sea level. For registration and full race details, visit the official Cork City Half Marathon website.
This is a very flat course with only 83m of total elevation gain across the full distance. The course ranges from 3m to 35m above sea level — a 32m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Based on historical weather data for June, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 11°C to 18°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a moderate chance of rain (22%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Cork City Half 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.
Our difficulty rating for Cork City Half 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 half 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 Cork City Half Marathon against other half marathons to find the right race for your goals.
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