When in December are most half marathons held?
The busiest weekend in New Jersey is December 12 and December 13, with 5 of them, 4 of those on Saturday, December 12. Every one of them is on a Saturday or a Sunday.
Race calendar · December 2026 · New Jersey
Half Marathons in New Jersey in December 2026
Every Half Marathon in New Jersey in December 2026, all 10 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
When in December
The December Race Weekends
Half marathons are not spread evenly across December. Here is how the calendar actually falls, weekend by weekend, which is the part worth knowing before you book a trip or plan a taper around one.
By the numbers
The Biggest and Longest-Running
The December half marathons that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
New Jersey Half Marathons by City in December
All Half Marathons in New Jersey in December
10 total Sun, Dec 6, 202610th Annual Jersey City Hillers Marathon and Half Marathon JERSEY CITY, NJFreeDetails Sat, Dec 12, 2026Run for Breast Cancer 5K/10K/13.1 NEW JERSEY Camden, NJFrom $45Register Sat, Dec 12, 2026Run for Breast Cancer 5K/10K/13.1 PHILADELPHIA Camden, NJFrom $45Register Sat, Dec 12, 2026Sunrise Marathon 5K/10K/13.1 NEW JERSEY Camden, NJFrom $45Register Sat, Dec 12, 2026Sunrise Marathon 5K/10K/13.1 PHILADELPHIA Camden, NJFrom $45Register Sun, Dec 13, 2026Eight Crazy Hours Rochelle Park, NJFrom $65Details Sat, Dec 26, 2026A Merry Christmas Run 5K/10K/13.1 NEW JERSEY Camden, NJFrom $45Register Sat, Dec 26, 2026A Merry Christmas Run 5K/10K/13.1 PHILADELPHIA Camden, NJFrom $45Register Sat, Dec 26, 2026New Year's Run 5K/10K/13.1 NEW JERSEY Camden, NJFrom $45Register Sat, Dec 26, 2026New Year's Run 5K/10K/13.1 PHILADELPHIA Camden, NJFrom $45Register