
Philadelphia, United States of America · Saturday 6 June 2026
This June 2026 road marathon in Philadelphia offers a genuinely flat course that lets you focus on pace rather than climbing, making it a solid choice if you're chasing a time goal or running on fatigued legs. The route keeps you on asphalt throughout, which means fast footing but also means you'll feel every mile on your joints, so come prepared with proper shoes and a fueling strategy that accounts for heat in early summer. At 42.2km you're getting the full distance, nothing shortened or soft, so respect the training required to toe the line ready. Check the race website for specifics on the actual route, aid stations, and start time since those details matter more than you'd think for executing a solid race plan. Flat courses have a way of humbling runners who underestimate them, so don't let the lack of elevation gain fool you into thinking this will be easy.
Adjusted Time
4:11:41
Time difference: +11.7 minutes compared to a flat, road, temperate course.
Philadelphia Trail Marathon is a full marathon held in Philadelphia, United States of America, scheduled for Saturday 6 June 2026. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 0m above sea level.
This is a very flat course with only 0m of total elevation gain across the full distance. The course ranges from 0m to 0m above sea level — a 0m 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. Hot conditions are expected, with temperatures between 21°C and 33°C. Heat is one of the biggest performance factors in marathon running — research shows that for every degree above 15°C, marathon times slow by approximately 1-2%. Extra hydration and a conservative start are strongly recommended. There is a moderate chance of rain (29%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Philadelphia Trail 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 Philadelphia Trail 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 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 Philadelphia Trail Marathon against other marathons to find the right race for your goals.
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