内容摘要：An Indigenous Wayuu family rests in a chinchorro, a handmade hammock, in the Belen neighborhood on the outskirts of Riohacha, Colombia, Tuesday, Feb. 4, 2025. (AP Photo/Ivan Valencia)

An Indigenous Wayuu family rests in a chinchorro, a handmade hammock, in the Belen neighborhood on the outskirts of Riohacha, Colombia, Tuesday, Feb. 4, 2025. (AP Photo/Ivan Valencia)

the bear population.Residents, government officials and experts say the town is a model for coping with dramatic shifts and attribute it to the rural mindset that focuses on fixing, not whining.

Churchill sits about 1,700 kilometers (1,055 miles) north of Winnipeg. The town had thousands of people beforeshut down decades ago. Those sites fell into decay, and what had been a bustling port closed. Train service stopped for more than a year as weather shattered poorly maintained tracks.A young man watches for potential polar bears while walking near the Hudson Bay, Saturday, Aug. 3, 2024, in Churchill, Manitoba. (AP Photo/Joshua A. Bickel)

A young man watches for potential polar bears while walking near the Hudson Bay, Saturday, Aug. 3, 2024, in Churchill, Manitoba. (AP Photo/Joshua A. Bickel)A polar bear walks along rocks, Tuesday, Aug. 6, 2024, near Churchill, Manitoba. (AP Photo/Joshua A. Bickel)

A polar bear walks along rocks, Tuesday, Aug. 6, 2024, near Churchill, Manitoba. (AP Photo/Joshua A. Bickel)

As the town dwindled, bears began coming to town more often, no longer frightened away by noise from the base and rocket launches and made desperate as climate change shrankRace medical director Dr. John Jardine takes part in a planning phone call on Saturday, Aug. 17, 2024, a day before the annual Falmouth Road Race in Falmouth, Mass., as tubs used to cool overheated runners on race day are seen inside the finish line medical tent. (AP Photo/Jeff Roberson)

Race directors must organize complex events for runners of all ability. Some are big races with lots of resources; others are small local affairs with a shoestring budget. Security, organizing workers and volunteers, tracking runners and medical care all must be assembled and paid for, said Dave McGillivray, who helps direct the Boston Marathon and also advises other race directors.Runners bear responsibility, too. He recalls grabbing a mic at the 2012 Boston Marathon when it was

, telling runners they needed to take it easy. It’s a hard message for runners who have trained months to meet goals.“We cannot fit all of you in our medical tents,” he remembered saying. More than 2,000 people needed treatment that day; roughly 200 went to the hospital.