HalfRuns
BA

Beach and Back Half Marathon & 5K

Race Date

May 17, 2025

Location

Marshfield, MA

Standout60

The Experience

Join RaceWire and Stack Endurance for the 9th annual Beach and Back Half Marathon & 5K on May 17, 2025 right off Brant Rock in beautiful Marshfield, MA!    Enjoy scenic coastline views throughout the course. All Half Marathon registrants will receive a hoodie and 5K registrants will receive a unisex t-shirt. All registrants will also get an awesome custom finisher medal. After the race, enjoy a FREE beer at The Jetty restaurant and other snacks and refreshments provided.    Half Marathon awards will be given to top 3 overall male/female runners and top male/female runners in each age group. 5K awards will be given to top 3 overall male/female runners.   If you still aren’t sure about the run, check out our amazing reviews and 4.6 Star Rating on Racecheck to hear what past runners have to say! We hope to see you there and good luck to all!   Or sign up for our Surf & Turf Series and get two for the price of one! The series includes the Beach and Back Half Marathon & 5K, plus our Run Through the Pines Half Marathon & 5K on April 20, at Myles Standish State Park in Carver, MA as well. Saving you up to $45 off!    PRICING: 5K $30 (until Feb 14 at 11:59 PM) $35 (Feb 15 – Apr 17 at 11:59 PM) $45 (Apr 18 – Race Day)   Half Marathon $70 (until Feb 14 at 11:59 PM) $75 (Feb 15 – Apr 17 at 11:59 PM) $85 (Apr 18 – Race Day)   * There are no refunds but you are allowed to transfer your registration to another person.

Logistics

Race Day

Saturday, May 17, 2025

Start Time

7:30 AM

Start Location

277 Ocean St., Marshfield, MA, 02050

Directions

Course Info

USATF Certified

Course Type

Loop Course

Terrain

road

Difficulty

Ultra-Flat

Elevation Gain

0'

Net Drop/km

0 m (Flat)

Separation

0.8%

Also Offers

5K

USATF Certified Course

MA23003BK · 2023 Beach and Back Half Marathon

Relatively flat with minimal net elevation change. Loop course — start and finish are close together.

Quality Score

Standout60
Methodology
Heritage16/20

8 years running

Size13/15

~492 finishers a year

Momentum5/5

growing or steady

Loyalty8/20

8% returning runners

Course & details10/15

USATF certified · 2 timing sources

National draw0/10

runners from 1 state

Front-pack speed3/5

winner 1:20:07

Weather5/10

typical high 67°F

Race Day Weather

5-year historical avg

Start (Low)

52°

Afternoon (High)

67°

Pleasant conditions — light layers at start, comfortable by finish

0.1"

Precipitation

13 mph

Wind

70%

Humidity

Historical Finish Times

How 3,249 finishers actually crossed the line across 8 years.

Most recent

2025

Total finishers

3,249

Median time

2:09:00

Latest turnout

492

States

3

10%
25%
75%
90%
1:10p50 median ≈ 2:054:40

Turnout by year

20172025

'17'18'19'21'22'23'24'25
See full results

Hover the histogram to inspect specific finish times.

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