Martha’s Vineyard 20-miler & Amity Island Relay, Feb. 17, Vineyard Haven Steamship Authority Terminal, 99 Water St., Tisbury, mv20miler.com.
Hyannis Marathon, Half Marathon, 10K & Marathon Team Relay, Feb. 25, Resort & Conference Center at Hyannis, 35 Scudder Ave., hyannismarathon.com.
Hyannis Double Dip Challenge, run or walk 10K on Feb. 24 and then half marathon or marathon Feb. 25 on Sunday, hyannismarathon.com.
Shamrock Shuffle 5K, 11 a.m. March 10, Michael Aselton Memorial Park, South and Ocean streets, Hyannis, southshorerace.com.
Good Run for Good Works 5K, March 17, Barnstable High School, 744 W. Main St., Hyannis, runreg.com/good-run-for-good-works.
New Bedford Half Marathon, 11 a.m. March 18, YMCA, 25 South Water St., New Bedford,newbedfordhalfmarathon.com.
Mayflower Brewing St. Pats 5K, 9:30 a.m. March 25, Mayflower Brewing Company, 12 Resnik Road #3, Plymouth, events.racewire.com/mayflower-st-pats-5k.
Seagull Six Classic Road Race, 5.7 miles, 11 a.m. March 25, Woods Hole Community Hall, 68 Water St., falmouthtrackclub.org/races/seagull-six-spring-classic.
Logan’s Run 5K, 9:15 a.m. April 7, Cape Cod Lighthouse Charter School, 195 Route 137, Harwich, active.com.
Cape Cod Trail Race, all-trail 5K, 10K, half-Marathon, marathon, or 50K, April 8, Frances A. Crane Wildlife Management Area, 754 Nathan Ellis Highway (Route 151), East Falmouth, capecodtrailrace.com.
Lovin’ Life 5K, 9 a.m. May 6, LIFE Inc., 175 Great Neck Road S., Mashpee, lifecapecod.org.
Cape Cod Beer Race to the Pint, 5K and 10K, 3 p.m. May 6, Cape Cod Beer, Phinney’s Lane, Hyannis, runreg.com/cape-cod-beer-race-to-the-pint.
Liam Maguire’s Irish Pub Almost 5 Miler, 9:30 a.m. May 6, Town Hall Square, Falmouth, pcbpubrun.com.
Martha’s Vineyard Marathon & Half Marathon, May 19, marthasvineyardmarathon.com.
Cape Abilities Harbor Walk Fun Run, 10 a.m. May 19, Hyannis Village Green, Main Street, capeabilitiesharborwalkfunrun.kintera.org.
YPD Blue 5K - Run for a Reason, May 20, Skipper Restaurant, South Shore Drive, South Yarmouth, ypdblue5k.com.
Great Hyannis Road Races, 5K, 10K, half marathon, 7:30 and 8:15 a.m., May 27, Hyannis Village Green, Main Street, greathyannisroadraces.com.
U.S. Coast Guard MWR Duathlon, run 2 , bike 12 , run 2 , 9 a.m. May 26, Mass Military Reservation, Otis Air Force Base, Bourne, racesonline.com/events/us-coast-guard-mwr-duathlon.
Wellfleet Sprint Triathlon, 8 a.m. June 2, Long Pond, Wellfleet, wellfleetsprinttriathlon.org.
Beach and Back Half Marathon and 5K, 8 a.m. June 10, 64 Steeple St., Mashpee, events.racewire.com/beach-and-back.
Ocean to the Bay 5 Mile Run/Walk, 9 a.m. June 10, 27 Highland Light Road, North Truro, runreg.com.
Falmouth Flag Day 5K, 10 a.m. June 10, 263 Grand Ave., Falmouth, falmouthflagday5k.org.
Run/Walk for the Arts, 5K, 9 a.m. June 16, Cultural Center of Cape Cod, 307 Old Main St., South Yarmouth, active.com.
Women Running Wild, 5K, 6 p.m. June 16, 99 W. Bay Road, Osterville, southshorerace.com.
Lazy Lobster 5 Mile/10 Mile, 9 a.m. June 17, Wareham Crossing 2421 Cranberry Highway, southshorerace.com.
Phinney’s Harbor Day 5K, multi-terrain fun run, 8:30 a.m. July 7, Monument Beach Marina, Bourne, bournecommunityboating.org.
Falmouth Sprint Triathlon, 7:30 a.m. July 15, Surf Drive Beach, Falmouth, neeevents.com/falmouth-triathlon.
AIDs Support Group of Cape Cod 5K Run/Walk, 8:30 a.m. July 15, Commercial St., Provincetown, asgcc.org.
Old Home Week 5K, 6 p.m. Aug. 9, Covell Beach, Craigville Beach Road, Centerville, also kids races, runreg.com/old-home-week-5kr.
Against the Tide, run, walk, swim and/or kayak, Aug. 18, Nickerson State Park, Brewster, mbcc.org/breast-cancer-prevention/against-the-tide
New Balance Falmouth Road Race, 7 miles, Aug. 19, Woods Hole, registration opens May 1-7 for Falmouth residents and residential tax payers, general registration opens May 8-17, falmouthroadrace.com.
Hyannis Triathlon 2, sprint and Olympic, 7 and 7:30 a.m. Sept. 8, Craigville Beach, Craigville Beach Road, Centerville, neeevents.com/hyannis-sprint-triathlon.
Vineyard Triathlon, sprint and half ironman, Sept. 8, Oak Bluffs, vineyardtriathlon.com.
5K Run/Walk for Heart Health, 9 a.m. Sept. 22, Nauset Regional High School, 100 Cable Road, Eastham, southshorerace.com.
Zooma Cape Cod, half marathon, relay and 10K, 7:30 a.m. Sept. 29, Sea Crest Beach Hotel, North Falmouth, zoomarun.com/race/cape-cod.