Races on my radar (southern NH USA centric, of course). Annually, confirm dates:

JANUARY
29Jan: The Great Stew Chase 15K (Links 1, 2, 3) (Lynn, MA). INFO.
29Jan: Robert Burns 10K (Links 1, 2, 3) (Westbrook, ME). INFO.

FEBRUARY
05Feb: Log Cabin 10K (Links 1, 2) (Fitchburg, MA).
05Feb: Paddy Kelly 10K (Links 1, 2) (Brockton, MA).
12Feb: Tom & Ron Boone Memorial 10K (Links 1, 2) (Gardner, MA).

MARCH
05Mar: Hampton Half Marathon (Hampton, NH).
05Mar: Stu’s 30K Road Race (Links 1, 2) (Clinton, MA).
05Mar: REVEL White Mountains (Conway, NH).
-Register by 14Nov for cheapest rate; both races start at 6AM.
11Mar: St. Patty's 10K (Portsmouth, NH).
12Mar: Crazy Clam 5K & 10K (Rehoboth, MA).
18Mar: Holyoke St. Patrick's 10K (Holyoke, MA).
19Mar: New Bedford Half Marathon (New Bedford, MA).
19Mar: Together we Fight 10K (Concord, NH).
25Mar: On the Run Half Marathon (Links 1, 2) (Old Orchard Beach, ME).
25Mar: Bradley Road Race 10K (Links 1, 2) (Windsor Locks, CT).
26Mar: Hill Thrill 5k or 10 Mile Road Race (Haver"hill", MA).
26Mar: Aquidneck 10K (Links 1, 2) (Middletown, RI).
26Mar: Eastern States 20 Miler & 13.1 (Rye, NH).
26Mar: Run and Walk For Food and Shelter 10K (Nashua, NH).

APRIL
01Apr: Frank Nealon Boston Tune-up 15K (Upton, MA).
08Apr: Sterling Recreation Road Race 10K (Sterling, MA).
16Apr: Cheap Marathon (& 13.1) (Derry, NH).
22Apr: Cochecho Challenge Half Marathon (Dover, NH). INFO.
22Apr: Pomham Rocks Lighthouse Run 10K (Riverside, RI).
22Apr: Medfield 10K (Medfield, MA).
-Only ~50% of this race is on pavement.
23Apr: Portland 10 Miler (Portland, ME). INFO.
23Apr: 10K Hummingbird Run (Wrenthem, MA).
-This race is not entirely on pavement.
23Apr: Run Through The Pines 13.1 (Carver, MA).
30Apr: New Castle 10K (New Castle, NH).
30Apr: Wallis Sands 13.1 (Rye, NH).
30Apr: Margarita (formally "Portsmouth") 13.1 (Portsmouth, NH). (Links 1, 2). INFO.

MAY
06May: Shipyard Maine Coast Half (Wells, ME).
06May: Old Colony 13.1 & 26.2 (Westfield, MA).
-Flattest 26.2 of the series.
07May: Salty's 5K & Double Nubble 10K (York Beach, ME). INFO.
07May: Providence 13.1 & 26.2 (Providence, RI).
07May: Cranky Crab 10k & Half Marathon (Seekonk MA).
07May: Groton Road Race 10K (Groton, MA).
13May: Total Image Running 10M/10K (Manchester, NH).
-Portion of both races on Manchester Rail Trail.
14May: Beach and Back 13.1 (Marshfield, MA).
14May: Sugarloaf Marathon & 15K (Eustis, ME).
-Historically, registration opens 1st week of Oct. & can sell out.
21May: Wells2Kennebunk Beach 10 Miler (Wells, ME). (Links: 1, 2).
21May: Horseneck Half Marathon (Westport, MA).
27May: Gold Star Run for Honor 10K (Saugus, MA).
28May: Boston's Run To Remember 13.1 & 5 miler (Boston, MA).
29May: Woodstock Memorial Day 10K (Woodstock, CT).

JUNE
03Jun: Bow Lake Dam Races 5K/15K (Strafford, NH). INFO.
05Jun: New England Series 10K, 13.1, 26.2, 50K (Simsbury, CT).
10Jun: New England Series 10K, 13.1, 26.2, 50K (Sanford, ME).
10Jun: Market Square Day 10K (Portsmouth, NH).
11Jun: Town & Country 13.1 (Links 1, 2).
13Jun: Milton 10K Road Race (Milton, MA).
17Jun: Close to the Coast 5K & 10K (Freeport, ME).
17Jun: Against the Tide - Hopkinton 10K (Hopkinton, MA).
25Jun: Capital City Classic 10K (Concord, NH).
-Elevation Gain 175 ft, biggest gain 66 ft from mile 4 to 4.7.

JULY
04Jul: Run For Freedom 5K/10K (Derry, NH).
09Jul: Sour Apple Half Marathon (Smithfield, RI).
16Jul: Narragansett Summer Running Festival 13.1M, 10K (Easton, MA).

AUGUST
01Aug: Yankee Homecoming Road Race 10M, 5K (Newburyport, MA).
05Aug: Beach to Beacon 10K (Cape Elizabeth, ME).
06Aug: Funky Monkey 13.1M, 10K (Seekonk, MA).
13Aug: Old Home Day 10M Road Race (Belmont, NH).
18Aug: Saunders at Rye Harbor 10K (Rye, NH).
19Aug: Wells Harbor Half Marathon (Wells, ME).
26Aug: New Hampshire 10 Miler (Auburn, NH).
27Aug: BE HAPPY 5K/10K (Windsor, CT).

SEPTEMBER
04Sep: Swanzey Covered Bridges Half Marathon (Swanzey, NH).
04Sep: Barefoot Half Marathon 13.1M, 10K (Shrewsbury, MA).
04Sep: Walpole Labor Day Road Race 10K (Walpole, MA).
05Sep: Irish American Road Race (Malden, MA).
09Sep: Lilyan Wright 10K (Goshen, NH).
09Sep: Suffield Parks and Recreation Road Race 10K (Suffield, CT).
10Sep: Granite State 10 Miler (Concord, NH).
10Sep: Westfield 13.1, 10K (Westfield, MA).
10Sep: Black Goose 13.1, 10K (East Providence, RI).
10Sep: Beantown Marathon (Links 1, 2) (Hingham, MA).
10Sep: Charles River Marathon (Boston, MA).
10Sep: Pumpkinman Triathlon and Running Festival 15M, 13.1M, 8.7M run (South Berwick, ME).
16Sep: Greenfield Fire Department 13.1M, 10K (Greenfield, NH).
16Sep: Autumn and Ales 10K, Half Marathon (Scarborough, ME).
17Sep: Halfway to St. Patrick's Day 10K (Manchester, NH).
17Sep: Half Marathon-by-the-Sea (Manchester-by-the-Sea, MA).
22Sep: River Run 10K (Simsbury, CT).
23Sep: Larry Olsen Classic 10K (Links 1, 2) (Hopedale, MA).
23Sep: Food Truck 5K/10K (Warren, RI).
24Sep: Glen Doherty Memorial 5K/10K (Winchester, MA).
24Sep: Wicked Half Marathon (Salem, MA).
24Sep: Flight Deck Half Marathon (Brunswick, ME).
24Sep: Clarence DeMar Marathon 26.2 & 13.1 (Keene, NH).
25Sep: Canton Road Race (Canton, MA).
25Sep: Lone Gull 10K (Gloucester, MA).
30Sep: NH 26.2, 13.1, 10K (Bristol, NH).
30Sep: North Medford Club Summer Racing Series - Country Road 15K (Templeton, MA).
30Sep: South Shore 3 Beach Minimum Half Marathon (Hull, MA).

OCTOBER
01Oct: Smuttynose Half (Hampton Beach, NH). INFO.
01Oct: Maine Marathon (also 13.1 & 26.2 Relay) (Portland, ME).
08Oct: Boston Firefighters Memorial Road Race 10K (Links 1, 2) (Boston, MA).
08Oct: Mohawk Hudson River 26.2 & 13.1 (Albany, NY). INFO.
15Oct: Baystate 26.2 & 13.1 (Lowell, MA.)
15Oct: Around Cape Ann Half Marathon (Gloucester, MA).
15Oct: Fall Foliage 10K (Foster, RI).
22Oct: New England Half Marathon (Contoocook, NH).
22Oct: The Loco Half & Full Marathon (Newmarket, NH).
-This race has unpaved portions.
29Oct: Seacoast Half Marathon (Portsmouth, NH).
29Oct: Newburyport Half Marathon (Newburyport, MA).
29Oct: Canton Fall Classic 10K (Canton, MA).
29Oct: Wicked 5K/10K (Kennebunk, ME).
30Oct: Great Pumpkin 10K (Saco, ME).

NOVEMBER
05Nov: Ocean View Half Marathon (Links 1, 2) (Ipswich, MA).
05Nov: Colt State Park 13.1 (Bristol, RI).
05Nov: Genesis Battlegreen 10K (Lexington, MA).
05Nov: Western MA 10 (Amherst, MA).
12Nov: Harborside 13.1 (Links 1, 2) (Newburyport, MA). INFO.
12Nov: Journey Home 5K/10K (Devens, MA).
13Nov: B.A.A. Half Marathon (Boston, MA).
20Nov: Chatham in the Fall 10K (Links 1, 2, 3, 4) (Chatham, MA). INFO.
24Nov: Thanks for Giving 5K/10K (Links: 1, 2) (Exeter, NH).
27Nov: Trot with Ted 10K (Links 1, 2) (Fiskdale, MA).

DECEMBER
03Dec - 25Feb: SnowStorm Classic Winter Race Series (Springfield, MA). INFO.
10Dec: Shipyard Seaside Santa Dash (Kennebunk, ME).
-Reached out via email w/ ?s, no response.
10Dec: Chocolate Marshmallow 10K (Seekonk MA). INFO.

Questions for local races:
Last day for online registration?
Day of race registration offered?
Run entirely on pavement?
Course certified?
Parking location?
Either ‘Manual’ timing or chip timing?
Elevation profile available?
Finisher/age-based awards?
Porta-potty/bathroom details?

Other notable races monitored:
Around The Lake 26.2
B.A.A. Half
Bear Brook Trail Race (Links 1, 2).
Berlin Marathon
Boston Marathon
Boston Prep 16 Miler
CanLake Ultras
Chicago Marathon
Comrades Marathon
Falmouth (7 mile) Road Race
FeasterFive
Lake Waramaug Ultra (Links 1, 2).
London Marathon
Millinocket Marathon
Mt. Washington Road Race
New York City Marathon
Skip Matthews Memorial (4 mile) Run
Tokyo Marathon
Toronto Waterfront Marathon
Wineglass Marathon INFO.

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