Long Beach is expected to warm up this week, starting on Wednesday, Oct. 2 — with highs in the upper 90s in some parts of the city expected, according to a recent city news release. The heat, with temperatures in the upper 80s and low 90s, is expected to last through the weekend.

Excitement builds in Long Beach as 22,000 runners gear up for the 40th Long Beach Marathon, but with soaring temperatures expected, organizers have adjusted race times and implemented extra safety measures to ensure a smooth and safe event.

It’s expected to be unseasonably warm when thousands of runners hit the streets. Here’s what to expect and where to look out for road closures.

Wheelchair (Marathon and Half Marathon) will start at 5:25 a.m. Marathon will begin at 5:30 a.m. Bike Tour will start at 5:30 a.m. Half Marathon will begin at 6:30 a.m.