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  • Market Square Day 10K 2026 [proportsmouth.org] [Register at runsignup.com]

    Sat, Jun 13, 2026 at 9:00 AM

    Description

    Each year, the 10K Road Race gets the Market Square Day celebration off on the right foot. With a starting line in the heart of Downtown Portsmouth, the Race typically draws nearly 1,000 runners who...

    Each year, the 10K Road Race gets the Market Square Day celebration off on the right foot. With a starting line in the heart of Downtown Portsmouth, the Race typically draws nearly 1,000 runners who wind their way through the streets of Portsmouth ending with the finish line at historic Strawbery Banke.

    In 2005, we joined forces with other area races to create the Seacoast Road Race Series. From May through November, runners participate in races ranging in distance from 5K – 10K in communities throughout the Seacoast. The Series creates healthy (literally) competition and serves to introduce runners to a variety of races. The Series expanded to seven races and continues its popular ‘run’ with new and seasoned athletes.

    2 km from Portsmouth
    Portsmouth, New Hampshire, 03801, United States
    OpenStreetMap Google Maps

    10k Run

  • Sabine Strong 3.3 & Kids Dash [runsignup.com]

    Sun, Aug 09, 2026 at 12:00 AM

    Description

    FIRE CHIEF DARIN J. SABINE

    Newington Fire Chief Darin Sabine was born on August 4, 1984 in Newington, NH and his last

    alarm was on September 7, 2019 after a 2-year battle with colon cancer.

    Chief...

    FIRE CHIEF DARIN J. SABINE

    Newington Fire Chief Darin Sabine was born on August 4, 1984 in Newington, NH and his last

    alarm was on September 7, 2019 after a 2-year battle with colon cancer.

    Chief Sabine was diagnosed in early 2017 with Stage 4 colon cancer. He had spent much of his

    short time here on earth either with family or at the fire station. He was dedicated to his family and

    brotherhood. He fought hard to spend as much time as he could with his wife and 2 little girls.

    Our hope with this run is that we will keep Chief Sabine’s memory alive and raise funds to support first responders and their families who have been affected by cancer or other life-threatening illnesses or injuries. The race length of 3.3 miles is in honor of Newington Fire Department 33.

    MISSION OF THE SABINE STRONG FOUNDATION 33

    The mission of Sabine Strong Foundation 33 is to raise funds to help support first responders and their families affected by cancer or other life-threatening illnesses or injuries.

    The Sabine Strong Foundation 33 is a qualified 501(c)(3) non-profit organization under EIN #86-1644745.

    EVENT INCLUDES:

    Professional Online Registration with RunSignUp

    Accurate Chip Timing with North Star Timing

    Free short sleeve moisture wicking t-shirt - Shirt Size guaranteed only if Registered Before July 8th, 2026.

    Kid Friendly Short Race

    Event Photography

    4.6 km from Portsmouth
    Spaulding Turnpike, Rockingham County, New Hampshire, 03801, United States
    OpenStreetMap Google Maps

    1 Miles 3.3 Miles Kids Run

  • LIVE Saunders at Rye Harbor 10K [saundersatryeharbor10k.com] [Register at runsignup.com]

    Thu, Aug 13, 2026 at 12:01 AM

    Description

    This year's 50th edition of the Saunders 10k will once again be held on the third Thursday in August, (8/20) starting at 6 pm., and will be limited to 500 competitors. In celebration of our 50th...

    This year's 50th edition of the Saunders 10k will once again be held on the third Thursday in August, (8/20) starting at 6 pm., and will be limited to 500 competitors. In celebration of our 50th Anniversary, a virtual race will also be held for those who are unable to participate in the official live race.

    The Live race will be run on a modified version of the original course that winds around and through the town of Rye, NH. The start and finish will be on Central Road near the Partners Bank with the finish and parking across the road in the large field near the turn onto Locke Rd. (Use 211 Central Rd. for GPS location) The race will have cash prizes, AND as in year’s past, there will be a limited number of special T-shirts that will need to be won in each of the age groups

    The Saunders 10K is endorsed by the New England 65 plus Runners Club

    Post-race, we will celebrate with the traditional party.

    7.8 km from Portsmouth
    211 Central Rd, Rockingham County, New Hampshire, 03870, United States
    OpenStreetMap Google Maps

    10k Run Virtual

  • Wallis Sands Triathlon [tri-maine.com] [Register at runsignup.com]

    Sun, Sep 20, 2026 at 8:00 AM

    Description

    This beautiful race along the New Hampshire coast is not to be missed for amazing scenery and a great experience. Athletes rave about the stunning oceanfront views and scenic country roads on the...

    This beautiful race along the New Hampshire coast is not to be missed for amazing scenery and a great experience. Athletes rave about the stunning oceanfront views and scenic country roads on the bike and run course. Beginner triathletes will enjoy the flat roads while experienced triathletes will set new PRs! The ocean swim takes place in the Atlantic Ocean off of a beautiful sandy beach.

    The Wallis Sands Triathlon is held at Wallis Sands State Park in Rye, New Hampshire. After a 1/3 mile swim in the Atlantic Ocean or for the duathletes, a 1 mile (total) out and back run with water views, the bike course completes a 14.5 mile scenic loop in the town of Rye and takes in the beautiful views along route 1A. The 5k run course is an out and back with the turnaround at Odiorne Point State Park. The Wallis Sands Sprint Triathlon is a perfect event to wind down the triathlon season has it has it all – beautiful course, easy parking, exceptional race management, and a fun community spirit!

    The Wallis Sands Triathlon will be sanctioned by USA Triathlon. If you are not an annual member of USA Triathlon, you will need to purchase a $15 one-day membership when you register.

    T-shirt Policy

    While we try very hard to accommodate everyone’s shirt size, regardless of when they register, in order to offer a fair system for distributing race shirts, the following policy is in effect: Athletes that register within three weeks of the race are not guaranteed their t-shirt size. They may choose from all remaining sizes after the race. If you register in the week of the race, we may not be able to guarantee a T-shirt. If you want to be guaranteed a t-shirt size, please register early!

    Sprint Swim:

    The 1/3 mile ocean swim will follow a triangle route starting and ending on the beach in front of Wallis Sands State Beach concession stand. For your safety and comfort, wetsuits are highly recommended. Sleeveless wetsuits are permitted. The transition area will be a short run up the beach to the parking lot of the State Beach.

    Duathlon Run 1:

    The 1.1 mile out and back run course offers sensational ocean views. The one loop course starts north along the coast on Route 1A then turns around returning south along the coast to the transition area.

    Sprint Bike:

    The 14.5 mile bike is flat and fast course, traveling north along the seacoast, turning inland for a bit through the Town of Rye then turning back north for a tailwind-aided (keep your fingers crossed!) finish along the coast on Route 1A.

    Bike Route Directions:

    Turn Right on Route 1A out of Wallis Sands State Beach

    Turn Left on Bracket Rd.

    Stay right on Bracket Rd. at the first fork

    Stay left at the 2nd fork to continue on Bracket Rd.

    Turn Right on Wallis Rd.

    Cross Sagamore Rd. to continue on Wallis Rd. by the Mobil Station

    Continue on Washington Rd. by Rye Junior High School

    Turn Left on Central Rd. and stay on Central until it hits the ocean

    • Stay right on Central at Locke Rd.

    • Stay left on Central at Grove Rd

    • Stay right on Central at Cable Rd.

    Turn Left on Route 1A at the ocean and return to the Wallis Sands State Beach transition area

    This beautiful race along the New Hampshire coast is not to be missed for amazing scenery and a great experience. Athletes rave about the stunning oceanfront views and scenic country roads on the bike and run course. Beginner triathletes will enjoy the flat roads while experienced triathletes will set new PRs! The ocean swim takes place in the Atlantic Ocean off of a beautiful sandy beach.

    The Wallis Sands Triathlon is held at Wallis Sands State Park in Rye, New Hampshire.

    Sprint Run:

    The 3.2 mile (5K) run course offers sensational ocean views. The one loop course starts north along the coast on Route 1A then turns around at the Odiorne State Park entrance returning south along the coast to the transition area/finish line.

    Transition Area

    There will be one Transition Area located in the parking lot of Wallis Sands State Park. The transition area will open at 6:15am on race morning and will be closed approximately 20 minutes before the start of the first wave. Only volunteers, staff, and registered athletes are allowed into the Transition Area at any time. You must be bodymarked before entering Transition (relays included), and have a safe, approved helmet and have your bikes inspected for USAT compliance. Once you complete the race, you will not be allowed back into the Transition Area until all of the cyclists are back, the bike time cutoff is reached, or your are notified by race officials.

    Finish

    The Wallis Sands Triathlon finishes on the grass above the beach overlooking the water. It is a short walk from the transition area and provides spectacular views of the ocean. There is a tent set up for the post-race festivities, which will take place regardless of the weather.

    Post Race:

    There will be an awards ceremony with food and refreshments. It is a fun, festive atmosphere for the whole family with a beach and park. Stick around and hang out with your family and fellow triathletes. It is the perfect way to enjoy the day!

    Relays:

    Relay members are required to hand off the timing chip after each leg of the race. The handoff takes place at their designated bike rack spot only. The cyclist cannot remove the bike from the rack before being tagged by the swimmer. The cyclist cannot tag the runner before re-racking the bike. The overall time for a relay will be the aggregate of times for each of the members.

    Timing

    Professional chip timing will be provided by All Sports Events. Every athlete and relay team will receive a timing chip to be worn around the ankle. Participants will receive times for swim, bike, run, T1, T2, and finish.

    Results

    Click here for results!

    Awards:

    Top 3: Male/Female overall,

    Top 3 in each age category (Male and Female every 5 years beginning with U-19)

    Top Coed, All-Male, and All-Female Relays

    Please note that age (and age group) is based on Dec. 31st of the year of the race, NOT what your age is on race day.

    Entry Fee Includes:

    Your place at the start line; a great technical t-shirt; chip-timing; well-marked and scenic course; on-course support; post-race refreshments; sponsor schwag, finisher award; high quality, safe and fun experience.

    USAT Sanctioning:

    The Wallis Sands Triathlon will be sanctioned by USA Triathlon. If you are not an annual member of USA Triathlon, you will need to purchase a $15 one-day membership as part of your registration.

    Rules:

    Please look over the rules - you are responsible for understanding them and abiding by them. They are available on the USA Triathlon website.

    Inclement Weather:

    The Wallis Sands Triathlon will not be cancelled for any reason other than severe conditions that pose extreme danger to athletes and volunteers. Race Management reserves the right to alter the course in whatever way deemed is in the best interest of the athletes and volunteers. This includes, but is not limited to, shortening or changing the course, removing one of the sports, postponing the start, etc. There are no refunds in the case of weather-caused changes or cancellations. If cancelled, the Sebago Lake Triathlon will not be rescheduled.http://tri-maine.com/refund-policies

    7.8 km from Portsmouth
    1050 Ocean Blvd, Rockingham County, New Hampshire, 03870, United States
    OpenStreetMap Google Maps

    Duathlon Run Swim Triathlon Walk

  • Seacoast Cancer 5K Run/Walk [seacoastcancer5k.org] [Register at runsignup.com]

    Sun, Sep 20, 2026 at 9:00 AM

    Description

    Every dollar raised by the Seacoast Cancer 5K Run/Walk stays in our community and allows patients to live their lives to the fullest while receiving cancer treatments all the way through...

    Every dollar raised by the Seacoast Cancer 5K Run/Walk stays in our community and allows patients to live their lives to the fullest while receiving cancer treatments all the way through survivorship. Your support allows the multi-disciplinary care team at the Mass General Cancer Center at Wentworth-Douglass Hospital to provide complimentary supportive, wellness and integrative therapies to care for the mind, body and soul of patients and their families. These services offered through the Survivorship and Wellness Program make an incredible impact for patients every day!

    This event is rain or shine!

    3.3 km from Portsmouth
    67 Corporate Drive, Portsmouth, New Hampshire, 03801, United States
    OpenStreetMap Google Maps

    1 Miles 5k Run Walk

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