BOSTON -- A new documentary about the 2013 Boston Marathon bombings chronicles the long road to recovery for many of the survivors still struggling with physical and emotional wounds.Marathon: The Patriots Day Bombing focuses on the stories of three families -- a young newlywed couple, a mother and daughter, and two brothers -- who had all been spectators near the finish line when two pressure cker bombs detonated.The nearly two-hour film, which had its Boston premiere last week, aired Nov. 21 on HBO.Filmmakers Ricki Stern and Annie Sundberg say they set out to give an unflinching lk at the ups and downs of long-term recovery from the attack, which killed three people and injured almost 300 others.We felt a huge responsibility to tell a broad picture of the survivors story, Stern said. Many of the survivors feel this global relationship with other survivors of terrorist attacks. That if theres some way their recovery can help others going through something similar, they want to do it.Patrick Downes, one of the survivors spotlighted in the documentary, said it wasnt always easy having the filmmakers along for the journey.You have to be incredibly vulnerable during the worst moments of your life and share with people all the struggles involved, Downes said. We thought this was an important story to tell, and we accepted that responsibility in the hopes that it represented not only our experience but the experience of a lot of other people.The 33-year-old Cambridge native and his wife, Jessica Kensky, each lost part of a leg in the blast, but their recovery over the next three years couldnt be more different.Downes was able to walk again using a prosthetic leg and eventually ran the 2016 Boston Marathon.Its a bittersweet moment that closes the film because while Downes seems to triumph over his injuries, Kensky continues to battle through multiple surgeries and setbacks.The film also shows how post-traumatic stress still haunts those who werent seriously injured or even there on marathon day.Bombing survivor Kevin Corcoran suffered superficial physical injuries, but he is consumed with guilt because he had urged his family to move closer to the front of the crowds. His wife ended up losing both of her legs, and his daughter suffered serious leg injuries in the blast.Another mother, Liz Norden, wasnt at the race, but her two adult sons were spectators. They both lost legs in the blast.Two years after the attack, in 2015, Norden is shown having a harder time moving on than her sons, attending nearly every day of the death penalty trial of Dzhokhar Tsarnaev, the youngest of two brothers who perpetrated the attack.Each one of them has experienced the impact in different ways. Everyone plays out the what-ifs, Stern said. I didnt realize that, three years out, this, in many ways, is the hardest thing to get at -- the mental pain.In December, Patriots Day, a dramatic retelling of the bombings and ensuing search for the?Tsarnaevs, will open in theaters. The movie is set for a nationwide release Jan. 13.The Associated Press contributed to this report.Discount Shoes Black Friday . 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The Mustangs (6-0), who beat Queens 50-31 last weekend, earned 17 first-place votes and 287 points in voting by the Ftball Reporters of Canada. Western was last ranked first in the country in October 2011.RIO DE JANEIRO -- Heres how gd technology for prosthetic running blades has become.Greek runner Michail Seitis set a world record for his division with a time of 49.66 seconds in the mens 400-meter final on Thursday. He came in sixth place out of eight runners. The five who finished ahead of him were double amputees.Oh, to be bilateral, said U.S. sprinter David Prince, a friend and training partner of Seitis, as he watched the race unfold.Technology for prosthetics has improved so much that it is actually better to be a double amputee in track and field than a single amputee, says Prince, who lost his right leg in a motorcycle accident.That pace of development has accented a trend within Paralympic sports. Sometimes better technology has created a gap between athletes within the same division -- or classification, as its known at the Paralympics -- who have distinctly different levels of disability.Last year and this year were really hard for me to stay motivated to actually continue training, because I go into the race knowing that they (double amputees) run faster times and I know Ill get beat, Prince said.Technology plays a prominent role at the Paralympics, with athletes across a variety of events utilizing different equipment to perform at the top of their discipline.Tatyana McFadden, the top wheelchair racer at this years games, is sponsored by BMW Racing and uses a specially designed chair to perform at her peak.The technology is amazing, McFadden said after one of her races on Thursday. She added: Its important in this sport to have that little extra edge.And more gear is always coming down the pipeline, like a swim cap that alerts a swimmer when a wall is approaching, which is being developed for athletes with visual impairments. Such swimmers are currently tapped on the head by a guide with a long pole.The athlete-technology partnership was acknowledged in the opening ceremony for the Rio Paralympics when a dancer performed a routine with a human-sized robotic arm as a partner, a piece called Harmonious Relationship.The developments are both exciting, and -- to Prince -- somewhat concerning. He worries that some athletes, such as single amputees like himself, will be left behind.At the same time, he does not begrudge double amputees for availing themselves of whatever is within the rules.I support them going tall, said Prince, referring to the fact that newer blades are longer and can increase the height of runners. Because if they go tall and start running these ridiculous times, guess what, the IPC has pressure now to address it.Craig Spence, spokesman for the International Paralympic Committee, said the Rio Gammes have shown him an increased level of athletic performance.dddddddddddd However, he was hesitant to attribute all of it to advances in technology. Training for disabled athletes also is improving.Ive noticed that our athletes are getting faster, stronger and more agile in every single sport, Spence said. Whether I put that down to technology, well youve got to lk at the facts that our visually impaired athletes are getting faster as well. As are athletes with crdination impairments and they dont use any piece of technology.Spence said the only stipulation in terms of access to blades or any other piece of technology is that it must be available on the public market.Prices for running blades vary, but the top-of-the-line options can reach tens of thousands of dollars.Prince, who won a bronze medal in the 400 in London and finished sixth in the 200 meters in Rio, said the biggest difference that he has seen between the 2012 Paralympics and this year has not been a new piece of technology, but rather the number of competitors who are using the best equipment available.He also has had conversations with members of the IPC about figuring out competition between single amputees and double amputees. The main question that Prince is concerned with is whether double amputees and single amputees should compete against each other at all.The data is inconclusive, but if you have eyes, you can see, Prince said. It doesnt take a doctorate degree to lk at that and say, `Huh, maybe a bilateral does have an advantage over a unilateral amputee.While Prince acknowledges that it is still possible for a unilateral like himself to beat double amputees, he said when he lines up in a lane and sees a top level double amputee competitor, he knows what is most likely to follow.With the number of competitors using the top blades on the market larger than ever, and many of those being under the age 25, what could happen over the next four years is a sharp dropoff in the number of single amputees competing in events against bilaterals, the 33-year-old Prince said.That would be a shame, he feels, and would go against the spirit of the Paralympics.If things progress and were kept together, he said, theres not going to be any unilateral amputees running because we wont have a chance.In order for the sport to stay legitimate, something has to be done.--Garrett Ross is a journalism student at Penn State University. Penn State and Georgia are partnering with The Associated Press to supplement coverage of the 2016 Paralympics. ' ' '