New Forest Marathon
Race Day Weather
Warm and humid, adjust pace
Runners will face temperatures starting at 65°F and rising to 69°F, combined with high humidity at 83%. Wind will present a headwind from the 2nd to 4th mile and again from the 7th to 14th mile, impacting effort on those segments. With the heat and humidity, it's advisable to conserve energy early and hydrate frequently, especially during the climbs at miles 6 and 19.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for New Forest Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Get your personalized New Forest Marathon race plan
A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.
Race Info
The New Forest Marathon starts and finishes at New Park Showground in Brockenhurst, with a multi-terrain course of gravel paths, woodland trails, and tarmac through New Forest National Park, where free-roaming New Forest ponies are a regular sight along the route. Race weekend (branded The Garmin New Forest Marathon) also includes a half marathon, 10K, 5K, junior races, and a woodland walk, plus camping and live music at the race village in Brockenhurst.
