Massachusetts · Race calendar

2026-2027 Running Races in Marshfield, Massachusetts

Upcoming running races in and near Marshfield, Massachusetts - 5Ks, 10Ks, half marathons and more, with dates, pricing, finish-time stats, start-line maps, and local run clubs to train with.

3 upcoming races · 3 with finish-time stats

By the numbers

The Biggest and Longest-Running

The Marshfield races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.

Within 100 miles

Races in Nearby Cities

More race calendars close to Marshfield. Miles are measured center to center, so treat them as a rough guide.

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 Sep 20, 2026.

Common Questions About Racing in Marshfield

When is race season in Marshfield?

October is the busiest month for races in Marshfield, with 2 of the 3. If you are flexible on the date, that is the quickest way to narrow things down.

How early should I register for a race in Marshfield?

2 of the 3 races in Marshfield 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 Marshfield races beginner-friendly?

Yes, for the most part. Across the 3 races in Marshfield with published results, the typical median finish is around 42:02, 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.

Where can I train for a race in Marshfield?

Browse Marshfield run clubs on RunSesh to find a training group at your pace.