Double Marathon Allen, United States of America · Friday 1 January 2027
Allen, Texas, sits in the heart of the Dallas-Fort Worth metroplex, a sprawling suburban region that has quietly become one of the country's most runner-friendly communities. The area's flat terrain and grid-like street layouts make it ideal for distance running, and the North Texas climate in early January offers cool conditions perfect for marathon training and racing. Allen itself has invested heavily in trail systems and parks, creating networks that appeal to runners of all levels. The region's relative newness means wide, well-maintained roads and plenty of space to spread out, which is increasingly rare in urban marathons. The Double Marathon course takes advantage of Allen's flat landscape, staying between 192 and 203 meters of elevation throughout. Runners will encounter only gently rolling sections, meaning there are no significant climbs to drain the legs on race day. This terrain is forgiving for the back half of the race, when energy reserves are depleted and every hill becomes a mental battle. The course appears to be a standard road marathon on the area's reliable infrastructure, likely using some combination of local roads and park paths to create a loop or out-and-back route. Running on New Year's Day means fewer spectators than a typical spring marathon, but also smaller crowds on the course and a quieter running experience overall. Early January weather in North Texas is generally cool and dry, though conditions can vary significantly from year to year. The race's name suggests this is part of a double marathon event, which could appeal to ultrarunners looking to rack up distance without traveling to multiple locations, or to runners who simply want the challenge of running two marathons in quick succession.
Adjusted Time
3:52:32
Time difference: -7.5 minutes compared to a flat, road, temperate course.
New Years (Day) Double Marathon is a full marathon held in Double Marathon Allen, United States of America, scheduled for Friday 1 January 2027. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 203m above sea level.
This is a very flat course with only 0m of total elevation gain across the full distance. The course ranges from 192m to 203m above sea level — a 11m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
New Years (Day) Double 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 New Years (Day) Double 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 New Years (Day) Double Marathon against other marathons to find the right race for your goals.
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