The 31st Annual Run to the Rock returns on September 12th in Marshfield, Massachusetts. The race starts and finishes at Furnace Brook Middle School, located at 500 Furnace Street, amidst a charming residential neighborhood just south of Boston. On race morning, expect cool temperatures with an average feel around 18.6°C, making for a comfortable day to lace up your running shoes. The event offers a variety of distances suitable for all ages and abilities, from the challenging half marathon to the fun-filled youth run. Each year, this community-run race brings together participants who range in age from children just learning about endurance to seasoned runners looking to push their limits. All proceeds support The Boys & Girls Club of Marshfield and The Boys & Girls Club of Plymouth, ensuring that local youths have access to enriching programs after school. The course winds through the picturesque streets of Marshfield before looping back for a final sprint down Furnace Street. Hydration stations are strategically placed every two miles, with more support at the finish line where water and snacks will be available upon crossing the tape. For 1/2 Marathon participants, official services remain open until 11:00 am, providing ample time to complete your run.
To secure a race shirt, register by the end of August 26th. Registration fees range from $16.95 to $73.45 depending on distance and age group; visit https://raceroster.com/events/2026/117881/31st-annual-run-to-the-rock for details. Race bibs can be picked up between 4:00 pm and 6:00 pm the day before the event at Furnace Brook Middle School. Bring a photo ID to verify your registration information. The start location is at the same school, with an age requirement of 18 or older for adult distances. For first-timers, ensure you have appropriate running gear suitable for cool and humid weather conditions on race morning. Marshfield's commitment to supporting local youth through this event makes it a worthwhile addition to any runner’s calendar.
Races Offered
1/2 Marathon (all participants)
Sep 12, 2026
straighten
Distance —
21km
terrain
Type —
Running
timer
08:00
sell
$73.45
10K Adult (18+)
Sep 12, 2026
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Distance —
10km
terrain
Type —
Running
timer
08:00
sell
$33.90
10K Senior (70+)
Sep 12, 2026
straighten
Distance —
10km
terrain
Type —
Running
timer
08:00
sell
$28.25
10K Student (17 & under)
Sep 12, 2026
straighten
Distance —
10km
terrain
Type —
Running
timer
08:00
sell
$28.25
5K Adult (18+)
Sep 12, 2026
straighten
Distance —
5km
terrain
Type —
Running
timer
08:00
sell
$28.25
5K Senior (70+)
Sep 12, 2026
straighten
Distance —
5km
terrain
Type —
Running
timer
08:00
sell
$16.95
5K Student (age 11-17)
Sep 12, 2026
straighten
Distance —
5km
terrain
Type —
Running
timer
08:00
sell
$22.60
5K Youth (age 10 & under)
Sep 12, 2026
straighten
Distance —
5km
terrain
Type —
Running
timer
08:00
sell
$16.95
Weather History
These values represent the 3-year monthly averages for September in Marshfield.
thermostatTemperature
15.4° / 21.6°
wb_sunnyFeels like
14.1° / 20.7°
light_mode
Avg sunshine hours
9h 7m
water_drop
Avg rainfall
3.5 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
13.2 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (5.0)
humidity_mid
Humidity
80.1%
wb_twilight
Sunrise
06:23
nightlight
Sunset
18:51
About Marshfield
Learn more about the host city, Marshfield.
Marshfield is a town on the South Shore of Massachusetts in Plymouth County. It includes the villages of Brant Rock, Green Harbor, Ocean Bluffs, North Marshfield, and Marshfield Hills. It is best known as the home of Daniel Webster an important national political figure from 1832 until his death in 1852. He was also known as "the farmer of Marshfield." Marshfield has a yearly population of 25,000 people (2010) which grows to about 40,000 during the summer because of its location on the coast.
