Seaside Park, United States of America · Sunday 4 October 2026
Welcome to the 49th Seaside Half Marathon and 5K!! The Seaside Half Marathon and 5K, hosted by the Ocean Running Club, is a premier running event that captures the essence of the Jersey Shore’s iconic beauty and vibrant energy. Held annually in Seaside Heights, New Jersey, this race offers participants the perfect blend of scenic oceanfront views, flat terrain, and a community-driven atmosphere. Runners in the half marathon are treated to a breathtaking course that weaves through the boardwalk and surrounding areas, offering sweeping views of the Atlantic Ocean and the bustling seaside town. The 5K, ideal for runners and walkers alike, provides a shorter but equally picturesque route, making it perfect for participants of all levels. Beyond the race itself, the Seaside Half Marathon and 5K are a celebration of fitness, camaraderie, and the unique charm of Seaside Heights. The Ocean Running Club’s dedication to fostering a supportive and inclusive running community shines through, from the cheerful volunteers to the enthusiastic spectators lining the course. Whether you’re chasing a new personal record, running for the joy of it, or taking in the coastal sights, this event is an unforgettable experience. Join us for the Seaside Half Marathon and 5K, and become a part of a cherished tradition that embodies the heart and soul of the Jersey Shore. General Race Information: Race options include Half Marathon, 5K, and Seaside Challenge (Run the 5K and the Half Marathon races back-to-back!) The Half Marathon will have pacers. No personal or pirate pacers are allowed. If you are paid member of Ocean Running Club prior to registering, you will receive $5.00 off of your selected race. Ocean Running Club race bundle - Sign up for the Seaside Half Marathon/5K and the Pine Beach 5K as a bundle and save 15%! Races are Rain or Shine! Long sleeve shirts guaranteed for all participants that register by 9/5/2026. After this date shirts will be given while supplies last, no guarantee.
Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
Ocean Running Club's Seaside Half Marathon and 5K is a half marathon held in Seaside Park, United States of America, scheduled for Sunday 4 October 2026. 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 Ocean Running Club's Seaside Half Marathon and 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.
Ocean Running Club's Seaside Half Marathon and 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 Ocean Running Club's Seaside Half Marathon and 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 Ocean Running Club's Seaside Half Marathon and 5K against other half marathons to find the right race for your goals.
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