
Washington, United States of America · Saturday 24 April 2027
Join us on April 25th 2026 for the 13th annual Kewash Trail Run—and for the first time ever, we re going the full distance! The Kewash Marathon makes its debut in 2026, giving runners the chance to tackle 26.2 miles along the scenic Kewash Trail. Whether you re chasing a PR or just out for a fun, supported run, we’ve got a distance for everyone: 🏃♂️ Marathon (NEW!) 🏃♀️ Half Marathon 🏃 10K 🏃 5K The Kewash Trail offers a fast, non-technical out-and-back course with a mix of gradual inclines, declines, and flat stretches—perfect for first-timers and seasoned runners alike. All participants will receive: 👕 Race shirt (short sleeve for 5K/10K; long sleeve option for Half/Full Marathon) 🏅 Finisher medal 🍻 Post-race drink ticket (21 ) 📷 Free race photos available for download after the race Register today and join us for this exciting new chapter in Kewash history!
Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
Kewash Marathon, Half Marathon, 10K & 5K is a half marathon held in Washington, United States of America, scheduled for Saturday 24 April 2027. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 0m above sea level. For registration and full race details, visit the official Kewash Marathon, Half Marathon, 10K & 5K website.
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.
Kewash Marathon, Half Marathon, 10K & 5K 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 Kewash Marathon, Half Marathon, 10K & 5K 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 Kewash Marathon, Half Marathon, 10K & 5K against other half marathons to find the right race for your goals.
Kailua, United States of America
San Diego, United States of America
Irving, United States of America
Long Beach, United States of America
Charlottesville, United States of America
Wilmington, United States of America