Which Delaware cities have the most Marathon races?
Rehoboth Beach (2), Wilmington (1), Delaware City (1) lead the state for Marathon races. Those give you the most dates to choose from if your schedule is tight.
Delaware · Marathon
Marathon Races in Delaware
Every upcoming Marathon in Delaware, all 4 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
4 upcoming Marathon races · 3 with finish-time stats
By the numbers
The Biggest and Longest-Running
The Delaware races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
Marathon Races by City
Soonest Marathon Races in Delaware
4 total Sat, Dec 5, 2026Rehoboth Seashore Marathon and Half Marathon Rehoboth Beach, DEFrom $155Details Sat, Apr 10, 2027Coastal Delaware Running Festival Rehoboth Beach, DEFrom $40Details Sun, Apr 18, 2027Delaware Running Festival Wilmington, DEFrom $40Details Sat, May 22, 2027Conquer The Canal Delaware City, DEFrom $35Details
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Jul 27, 2026.
Common Questions About Running a Marathon in Delaware
When are most Marathon races held in Delaware?
April is the busiest month for Marathon races in Delaware, with 2 of the 4. If you are flexible on the date, that is the quickest way to narrow things down.
How much do Delaware Marathon races cost?
Entry fees for Marathon races here run from $35 to about $155, depending on the event and how early you register.
How early should I register for a Marathon in Delaware?
4 of the 4 Marathon races in Delaware already have a price increase scheduled, so entry gets more expensive the longer you leave it. Race pricing almost always steps up as the date approaches, and signing up early is usually the cheapest option.
Are Delaware Marathon races beginner-friendly?
Yes, for the most part. Across the 3 Marathon races in Delaware with published results, the typical median finish is around 4:15:16, which means half of every one of those fields came in slower than that. Recreational runners and walk-runners are the bulk of these fields, not the exception.