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PUSHING MY LIMITS | Build up to Boston Marathon 2023 | 4 x 2K, 2 x 1K Fast Workout | Sara Vaughn

With only 5 weeks to go until Boston Marathon 2023, Sara Vaughn does a fast workout in Boulder Colorado. Coached by husband Brent Vaughn, Sara's workout is a 4 x 2K around a 5:29/mi pace, 2 x 1K at 5:00/mi pace. During this build, Sara's been feeling in the best shape of her life while also staying healthy, allowing them to push her limits and get "a little greedy" in hopes of hitting a new PB and a podium spot at Boston. Her current PB is 2:26:23. Stay tuned for content coverage from the race! You can also follow me on Instagram!   / smevaughn   Thank you Puma for supporting my running journey! Video produced by Nate Castner at Mountain Techne   / mtn_techne   #trainingmotivation #running #bostonmarathon #marathon