
London, Canada · Sunday 8 June 2025
Taking place in London, Ontario, the Forest City Half Marathon offers a flat, fast, and scenic course through tree-lined streets, riverside trails, and historic districts. Known for its inclusive and community-driven atmosphere, the race attracts a mix of competitive runners and first-timers. The event is well-supported with enthusiastic volunteers, hydration stations, and pacers, ensuring a smooth race-day experience. The finish line festival features live music, food trucks, and family-friendl
Adjusted Time
1:45:22
Time difference: +0.4 minutes compared to a flat, road, temperate course.
Forest City Road Races Half Marathon is a half marathon held in London, Canada, scheduled for Sunday 8 June 2025. The course is run on road surface with 134m of total elevation gain, reaching a maximum altitude of 260m above sea level. For registration and full race details, visit the official Forest City Road Races Half Marathon website.
With 134m of elevation gain, this is a moderately undulating course. The route ranges from 235m to 260m above sea level (25m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Based on historical weather data for June, the expected race day conditions are as follows. Moderate temperatures between 13°C and 25°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance over the full distance. There is a low chance of rain (7%), so dry conditions are likely.
Forest City Road Races 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 Forest City Road Races 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 Forest City Road Races Half Marathon against other half marathons to find the right race for your goals.
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