Two major road races are scheduled to go down in the Midwest this weekend--the Chicago Marathon and the USATF 10 Mile Championships in Minneapolis, Minnesota. Here is a full breakdown of what you should follow from both races set to go off Sunday morning. 

Chicago Marathon 

Although world record holder Dennis Kimetto has dropped out of the race due to a stress fracture in his left leg, the men's competition in Chicago still holds several notable storylines. 

Last year's champion Dickson Chumba and Olympic bronze medalist Tsegaye Kebede headline the field and have both clocked personal bests in the 2:04:30 range. Sunday will mark Chumba's second marathon in 2016 after finishing third in the Tokyo Marathon in February. Kebede will also be running his second marathon of the year after finishing fifth at the Rotterdam Marathon in April. 

Marathon newcomer Stephen Sambu will be running after racking up over $280K in prize money in the shorter road racing circuit over the past three and a half years. With a quick 60:41 half-marathon personal best, it will be interesting to see how the Kenyan will fare over 26.2. 

The American contingent will be represented by Luke Puskedra, who is on the comeback train after an incredibly tough year. John Gault spoke to Puskedra earlier this week, where they discussed Puskedra's recovery from a devastating fourth-place finish at the Olympic Marathon Trials and his infant daughter's battle with cancer. Puskedra learned of his daughter Penelope's illness just days after the Trials and has since been supported by a GoFundMe campaign that raised over $75,000 to assist with medical expenses. Penelope is cancer-free now, and the future seems a lot brighter for the Puskedra family. 

Diego Estrada will also toe the line in an attempt to race his first marathon since dropping out of the Olympic Marathon Trials in February. Estrada attempted to make the Olympic team on the track, but he dropped out of the 10K and finished 11th in the 5K final. Runner's World's Cindy Kuzma spoke with Estrada about his plan to tune out the politics to seek marathon redemption in Chicago. 

The women's race will be a battle between Florence Kiplagat and Edna Kiplagat. Florence, a two-time world champion, finished third at the London Marathon earlier this year. Edna, a two-time world champion in the marathon, is returning from a third-place finish at the Tokyo Marathon. Since Tokyo, she's been tearing it up on the roads by finishing top three in all five road races she's competed in this year.  

The American women's field features top 10 Olympic Trials finishers Serena Burla and Alia Gray. Gray finished 10th at the Trials with a breakthrough performance and personal best of 2:35:47. Burla finished eighth at the championships. She boasts a personal best of 2:28:01 from Amsterdam in 2013. Sarah Crouch will also be competing after finishing 11th at the Boston Marathon earlier this year. She was sixth in Chicago in 2014. 

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USATF 10 Mile Championships

The second road race of Sunday morning will be the USATF 10 Mile Championships in Minneapolis, where several American pros will throw down for a national crown. 

Some notable racers on the men's side include Andrew Bumbalough, who will be running his second race of the year after finishing 11th at the USATF 5K Championships on Sept. 18. The multiple-time national finalist was sidelined due to injury earlier this year, but he expressed his optimism for the remainder of 2016 on his Twitter account this summer. 

(1/2) Been a tough year+ for me from a running standpoint. So sad to be missing out on the fun this week in Eugene. But finally healthy and

— Andrew Bumbalough (@abumbalough) July 2, 2016

2/2 training well. It feels so good to be working hard again & gaining fitness. I will be back- thanks for sticking with me on this journey!

— Andrew Bumbalough (@abumbalough) July 2, 2016

Four-time NCAA champion Sam Chelanga will be racing after finishing third at the USATF 5K Championships and sixth in the 10K at the Olympic Trials. Brian Shrader will also toe the line after finishing eighth at the 5K championships and 14th in the 5K final of the Olympic Trials. 

The women's field is will include several notable experienced distance runners, including road racing veteran Sara Hall, Nike Oregon Project's Jordan Hasay, Olympic triathlon champion Gwen Jorgensen, and U.S. 25K champion Aliphine Tuliamuk-Bolton. 

Hall is racing in preparation for the New York City Marathon on Nov. 6 after running a new personal best of 2:30:06 at the London Marathon in April. Hasay is returning from her latest race at the USATF 5K Championships, where she finished third. Jorgensen just won triathlon gold in Rio and competed at the world championships on Sept. 17, where she collected a runner-up finish. She will be making her debut in the marathon in New York. Bolton just won the 20K and 25K USATF championships and will seek another distance title this weekend. 

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