Grind

The first May Day 5K Run and Walk will set off from Main Beach on Sunday at 9 a.m., rain or shine, and the good news for participants and spectators alike is that the weather is expected to be perfect for the occasion.

The first-ever Hamptons Pride Parade, celebrating the L.G.B.T.Q.+ community, will take place in East Hampton Village at noon on June 4.

Its organizer, Tom House, founder of the nonprofit Hamptons Pride Inc., announced this week that he is seeking volunteers to help organize it as well as people to march in it. Those who would like to contribute their time or take part with a parade float or community group can sign up at hamptonspride.org.

Suffolk County District Attorney Ray Tierney, along with Nick LaLota, a Republican seeking election in the First Congressional District, and Alison Esposito, who is in the running for the role of New York State's lieutenant governor on Lee Zeldin's ticket, will hold a community event addressing crime, quality of life, and criminal justice on Wednesday evening.

The Y.M.C.A. East Hampton RECenter's pickleball clinic this week comes at just the right time, with the relatively new sport rising in popularity locally and nationally.

Temple Adas Israel has raised $36,000 to aid Jewish organizations in their humanitarian efforts in Ukraine.

"About a quarter of our galaxy's two hundred billion stars are orbited by planets that are habitable in the way Earth is. Given so many worlds — fifty billion in our own galaxy! — with similar life-friendly conditions, it's very likely that intelligent organisms have evolved elsewhere," writes the astrophysicist Dr. Avi Loeb in his book "Extraterrestrial." He will give a talk for the Hamptons Observatory and BookHampton on Tuesday.

Cute, sly, and sleek, the river otter has been returning in numbers on Long Island, and on Wednesday a naturalist and writer hereabouts, Mike Bottini, will talk about the comeback and related conservation efforts, accompanied by a short documentary on the subject.

A new effort by the Neo-Political Cowgirls, in partnership with the New Hour for Women and Children, is seeking creative-minded women to help women who are incarcerated.

Thought the warmer weather was here to stay? Not so fast — the National Weather Service on Sunday issued a warning of a possible freeze overnight Sunday into Monday morning.

The Church in Sag Harbor has organized an art auction to benefit Ukraine, with works on view and bidding through April 30.

Lots of sunshine is in the forecast for the weekend, making it a great time to take a hike.

Be on the lookout for detours — Montauk Highway in Wainscott will be closed in both directions between 9 p.m. and 5 a.m. this week as construction along the South Fork Wind farm's onshore cable route progresses.