St Albans Half Marathon

St Albans Half Marathon 2025 Course Analysis

St Albans Half Marathon is a half marathon held in St Albans, United Kingdom, scheduled for Sunday 8 June 2025. The course is run on mixed surface with 225m of total elevation gain, reaching a maximum altitude of 135m above sea level. For registration and full race details, visit the official St Albans Half Marathon website.

Elevation Profile

With 225m of elevation gain, this is a moderately undulating course. The route ranges from 78m to 135m above sea level (57m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.

Expected Race Day Weather

Based on historical weather data for June, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 8°C to 16°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a low chance of rain (15%), so dry conditions are likely.

Surface Type: Mixed

St Albans Half Marathon features a mixed-surface course, combining sections of road with unpaved terrain such as gravel paths, parkland, or boardwalks. Mixed courses add variety but also introduce some unpredictability in footing. Runners should expect slightly slower times compared to a pure road marathon, and road-trail hybrid shoes may be the best footwear option.

How Difficult Is St Albans Half Marathon?

Our difficulty rating for St Albans 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 St Albans Half Marathon against other half marathons to find the right race for your goals.