Northeast Delta Dental Boston Prep 16-Miler and 5-Miler
About this race
Gearing up to run a marathon this spring? Or, just want to see if those winter miles are paying off? We've got a race for you! We're excited to bring back the annual Northeast Delta Dental Boston Prep 5 and 16 mile road races. Enjoy a scenic run with gentle rolling hills through the back roads of East Derry. Both races start and finish at West Running Brook Middle School in Derry. There will be tech shirts for the first 325 registered runners, post-race food, age group prizes, and professional timing. After the race, celebrate with a FREE BEER at our after-party at the Rockingham Brewery!
The 31st Running of the Northeast Delta Dental Boston Prep – this moderately challenging 16-miler is ideally scheduled for runners training for the Boston Marathon, any other spring marathon or a runner looking for a mid-winter challenge! Are you a regular runner but not ready for a full 16? Try the 5-mile race which offers a taste of the Boston Prep experience on a 5-mile course!
Pick your distance
Running
Boston Prep 16-Miler (3 hr limit - better than 11 min/mile)
Fees: $85 until 12/31/2026. Register early and save! Race day registration $100 If not sold out): West Running Brook Middle School, 7:30 am - 9:45 am Timing splits at 13.1, and finish Mile markers at every mile. Water/Gatorade stops at 3, 6, 9, & 12 miles GEL at mile 12 We reserve the right to close the course after 3 hours. Please utilize the Sunshine Start registration option if you need additional time. Awards will go to the First Three Overall Male and Female finishers Age group awards 3 deep: Under 19, 20-29, 30-39, 40-49, 50-59, 60-69, 70+ Sorry, no refunds for any reason.
Boston Prep 5-Miler
Fees: 5-Miler $35 until 12/31/2026: Race day registration (If not sold out): $45. West Running Brook Middle School, 7:30 am - 9:45 am Mile markers at every mile. Water/Gatorade stop at ~3 miles Awards will go to the First Three Overall Male and Female finishers Age group award for winner: Under 19, 20-29, 30-39, 40-49, 50-59, 60-69, 70+ See printable map on race website for 5-Miler course details. Sorry, no refunds for any reason.
Race-day daylight
We have no recorded weather for Derry yet, but sunrise and sunset follow from the venue and the date.
The sun rises at 7:07 AM and sets at 4:47 PM local time (EST) in Derry on January 24, 2027 — 9h 39m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
Done this event?
If you've participated in this event, share your experience with other runners
Other races near Derry
Different organizers, within 40 miles, in the next three months
Gdtc Thanksgiving Turkey Trot
Live Free Animal Rescue Franken Paws 5K / Walk Fundraiser
Windham Turkey Trot
Hampstead Turkey Trot
🏃 Plan Your Next Race in Derry
Find upcoming events by distance:
- Derry 5K Races 2 races
- Derry Running Calendar 2026 3 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 3 Derry events
Spotted something wrong? Tell us and we'll fix it.