
Hayward, United States of America · Saturday 26 September 2026
This race works well for runners chasing a fast time or looking to build confidence in their marathon fitness. The flat to gently rolling terrain around Hayward means you won't waste energy fighting steep climbs, so if you're targeting a personal record or trying to prove you can handle the distance, the course won't fight you. It's also suitable for someone training for a faster marathon elsewhere, since the benign elevation profile lets you focus on pace work and aerobic development. That said, September in Wisconsin means heat and humidity will likely be the real challenge. You'll need to respect the weather rather than the hills, arrive well trained, and have realistic expectations about what conditions might do to your pace. On the course itself, you'll get the straightforward experience of a road marathon without drama. The rolling sections won't spike your heart rate, but they mean you're never truly coasting either, which can wear on legs over 42 kilometers if you go out too fast. The flat stretches offer mental relief and a chance to settle into rhythm. What isn't spelled out in the course description is what awaits in terms of crowd support, aid station spacing, or the actual character of the route through Hayward. Road marathons can feel isolating compared to trail races, especially if the spectator presence is thin, so mentally prepare for that possibility. The late summer timing is both an asset and a liability. it could deliver beautiful weather, but early September heat and humidity can sap your energy fast, making this more of a grind than the elevation profile suggests.
Adjusted Time
3:52:32
Time difference: -7.5 minutes compared to a flat, road, temperate course.
American Birkebeiner Marathon is a full marathon held in Hayward, United States of America, scheduled for Saturday 26 September 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.
American Birkebeiner 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 American Birkebeiner 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 American Birkebeiner Marathon against other marathons to find the right race for your goals.
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