The Sky’s the Limit: BMC Anesthesiologist on Quest to Compete in the World’s Top Trail Ultramarathon
Some of us may enjoy spending our free time during the summer relaxing by the beach or pool, reading a book, or perhaps taking a day hike. Derek Rosner, DO takes it to a whole other level (literally). Rosner, an anesthesiologist at Baystate Medical Center, travelled with his family in June to Andorra, a tiny…