A runner reacts as he begins the 26.2 mile race into Boston on Monday, April 17th, 2017. Photo by Gaelen Morse/BU News Service
Spectators cheer on runners and ask for kisses near Wellesley College during the marathon, April 17, 2017. Photo by Alexandra Wimley/BU News Service
Shinya Ohashi, of Japan, drinks water after crossing the 20 mile mark of the Boston Marathon route on April 17, 2017. Photo by Vaishnavee Sharma/BU News Service
Hannah Confreras, 20, of California, waits for the Boston Marathon to pass by Wellesly College, April 17, 2017. Photo by Alexandra Wimley
Jim Morissette, of Ashland, Mass., adjusts his sign near Wellesley College before the Boston Marathon, April 17, 2017. "I try to get crazier every year," said Morissette. Photo by Alexandra Wimley/BU News Service
A brightly lit bycicle heads towards the Boston Marathon start line past midnight at Southborough Commuter Rail Station on Monday, April 17th, 2017. Photo by Gaelen Morse/BU News Service
Friends and cyclists gather and test their gear before the start of the Midnight Marathon Bike Ride, which rides along the course the night before the Boston Marathon, outside of Fitzgerald's General Store adjacent to Southborough Commuter Rail Station on Sunday, April 16th, 2017. Photo by Gaelen Morse/BU News Service
A cyclist awaits the start of the Midnight Marathon Bike Ride with a flag featuring actor Bill Murray on Sunday, April 16th, 2017. Photo By Gaelen Morse/BU News Service
Cyclists pick up their bikes after from fully loaded trucks at Southborough Commuter Rail Station on Sunday, April 16th, 2017. Photo by Gaelen Morse/BU News Service
A rider checks his bicycle shortly before midnight at Southborough Commuter Rail Station on Sunday, April 16th, 2017. Photo by Gaelen Morse/BU News Service
Carlos Arredondo, who became an internationally known figure after helping to save victims of the 2013 bombing, hugs Cynthia Martinez, of New York City, who is running her second marathon, in front of the finish line on Sunday, April 16. Photo by Alexandra Wimley/BU News Service
Olga Fernandez, of California, takes a photo of the finish line on Sunday, April 16. This year's marathon will be her fourth. Photo by Alexandra Wimley/BU News Service
Jie Zhang, of China, reacts after receiving his race bib at Hynes Convention Center Sunday, April 16. Photo by Alexandra Wimley/BU News Service
A young visitor signs a statue reading #beboston in front of the Boston Marathon finish line Sunday, April 16. Photo by Alexandra Wimley/BU News Service
Runners watch a video explaining the entire 26.2 mile Boston Marathon course at the John Hancock Sports & Fitness Expo at Hynes Convention Center Sunday, April 16. Photo by Alexandra Wimley/BU News Service
People look at an elevation map of the Boston Marathon route at the John Hancock Sports & Fitness Expo at Hynes Convention Center Sunday, April 16. Photo by Alexandra Wimley/BU News Service
Volunteers help guide racers getting their bib numbers at Hynes Convention Center Sunday, April 16. Photo by Alexandra Wimley/BU News Service
People pretend to run for a photo in front of the Boston Marathon Finish line on Sunday, April 16. Photo by Alexandra Wimley/BU News Service
Bruce Mccormick, of Ashland, Pennsylvania, looks for his son's name on a poster made of the names of all registered runners at the John Hancock Sports & Fitness Expo at Hynes Convention Center Sunday, April 16. Photo by Alexandra Wimley/BU News Service
Vounteers form a line to keep awaiting crowds away from the pasta until the seating was cleared by those already eating at the Boston Marathon pre-race pasta party on April 16, 2017. Photo by Vaishnavee Sharma/ BU News Service
Volunteer Tabitha Silver dances with a friend at the Boston Marathon pre race pasta party on April 16, 2017. Photo by Vaishnavee Sharma/BU News Service
Volunteers pass out and restock drinks for runners and their families at the annual "Pre-Race Dinner" held at City Hall Plaza April 16. Each year pasta is served to fuel runners with carbohydrates and energy the evening before the marathon. Photo by Crystal Milner/BU News Service
Farshid Parandian (left), 53, from Austin, Texas, shares a meal with Eugene Winters (right), 60, from Ireland, at the Boston Marathon pre race pasta party on April 16, 2017. Monday will be Parandian's fourth Boston Marathon run, and 19th marathon. It will be Winter's debut at the Boston Mrathon, but 270th marathon since he began running at the age of 55. "We just love running, so we keep doing it," Winters said. Photo by Vaishnavee Sharma/BU News Service
Volunteers serve pasta to the guests at the Boston Marathon pre-race pasta party on Sunday, April 16, 2017. Photo by Vaishnavee Sharma/BU News Service
Runners, police officers and volunteers wait for the race to begin in Hopkington, Mass., April 17, 2017. Photo by Gaelen Morse/BU News Service
A boy and a sign just past the start line in Hopkinton, Mass. on Monday, April 17th, 2017. Photo by Gaelen Morse/BU News Service
A marathon official gives a thumbs-up to crews working near the start line of the Boston Marathon on Monday, April 17th, 2017. Photo by Gaelen Morse/BU News Service
Handcyclists race away from the start line at the sound of the starting pistol on Monday, April 17th, 2017. Photo by Gaelen Morse/BU News Service
The elite women's group make their way off of the line at the sound of the starting pistol on Monday, April 17th, 2017. Photo by Gaelen Morse/BU News Service
Fighter jets signal the beginning of the Boston Marathon as they fly over the starting line in Hopkinton, Mass. on Monday, April 17th, 2017. Photo by Gaelen Morse/BU News Service
A lead vehicle awaits the sound of the starting pistol on Monday, April 17th, 2017. Photo by Gaelen Morse/BU News Service
A student cheers as a runner makes her way past the "scream tunnel" by Wellesley College during the Boston Marathon, April 17, 2017. Photo by Alexandra Wimley/BU News Service
A runner reacts to the crowd near Wellesley College during the marathon, April 17, 2017. Photo by Alexandra Wimley/BU News Service
A runner kisses a Wellesley student near Wellesley College during the marathon, April 17. Photo by Alexandra Wimley/BU News Service
Wellesley College students cheer on runners and ask for kisses near the half-way point of the marathon, April 17, 2017. Photo by Alexandra Wimley/BU News Service
A runner kisses a Wellesley student near Wellesley College during the marathon, April 17. Photo by Alexandra Wimley/BU News Service
Jeffrey Mosher, of Halifax, Canada, drinks a beer given to him by an audience member while running past Wellesley College during the Boston Marathon, April 17, 2017. Photo by Alexandra Wimley/BU News Service
A runner kisses a Wellesley student near Wellesley College during the marathon, April 17. Photo by Alexandra Wimley/BU News Service
Women cheer on runners near Wellesley College during the marathon, April 17, 2017. Photo by Alexandra Wimley/BU News Service
A runner stops to kiss Wellesley College students in the "scream tunnel" during the Boston Marathon, April 17, 2017. Photo by Alexandra Wimley/BU News Service
Edna Kiplagat, of Kenya, leads the race past the 20 mile mark of the Boston Marathon April 17, 2017. Kiplagat won the women's race. Photo by Vaishnavee Sharma/BU News Service
A handcycle competitor races up Heartbreak Hill during the Boston Marathon, April 17, 2017. Photo by Vaishnavee Sharma/BU News Service
Greg Hutson, of St. Louis, Mo., stops briefly to walk on Heartbreak Hill during the Boston Marathon, April 17, 2017. Photo by Vaishnavee Sharma/BU News Service
Spectators cheer for runners on Boylston Street as they complete the last stretch of the Boston Marathon. Photo by Jiaxin Liu/BU News Service
Members of the U.S. Air Force get high fives from spectators near the halfway point of the Boston Marathon, April 17, 2017. Photo by Alexandra Wimley/BU News Service
Jose Sanchez, who was injured while serving in the U.S. Marine Corps, carries an American flag along the course near the halfway point in Wellesley, Mass., April 17, 2017. Photo by Alexandra Wimley/BU News Service
A handcycle competitor waves to the crowd in Wellesley, Mass., near the halfway point of the Boston Marathon on April 17, 2017. Photo by Alexandra Wimley/BU News Service
A runner gives high fives to spectators in Wellesley, Mass., April 17, 2017. Photo by Alexandra Wimley/BU News Service
Thousands of runners make their way through Wellesley Square near the halfway point of the Boston Marathon on April 17, 2017. Photo by Alexandra Wimley/BU News Service
Servicemen make their way past the 20 mile mark during the marathon, April 17, 2017. Photo by Vaishnavee Sharma/BU News Service
Runners are given thermal marathon blanket after crossing the finish line near Copley Square, April 17, 2017. Photo by Jiaxin Liu/BU News Service
Spectators watch from Kenmore Square as participants reach the 25 mile mark of the Boston Marathon, April 17, 2017. Photo by Crystal Milner/BU News Service
Spectators watch from their balcony in Kenmore Square as runners make their way to the final stretch of the Boston Marathon, April 17, 2017. Photo by Crystal Milner/BU News Service
Arith Ruggio from Chicago, IL., cheers on runners in Kenmore Square, April 17, 2017. Photo by Crystal Milner/BU News Service
Spectators watch the Boston Marathon from Kenmore Square, April 17, 2017. Photo by Crystal Milner/BU News Service
The crowd encourages runners as they reach the one mile remaining mark in Kenmore Square, April 17, 2017. Photo by Crystal Milner/BU News Service
A runner is wheeled to safety after collapsing in Kenmore Square one mile from the finish line of the Boston Marathon, April 17, 2017. Photo by Crystal Milner/BU News Service
Taran Roddy of Washington D.C., cheers as runners enter Kenmore Square, one mile from the finish line, April 17, 2017. Photo by Crystal Milner/BU News Service
From the start in Hopkinton, to the finish in Copley, here’s a look at Marathon 2017 through the lenses of BU News Service photographers.
