Ramiro “Curly” Guillen quit running in 2003 with PRs of 3:54, 14:45, 30:52 for the 1500m/5k/10k. He ran at Santa Barbara City College and UC Santa Barbara during his collegiate career and did not resume training until late 2011. He lost 50 pounds within the first 6 months of starting to run again. He quickly progressed from solid age grouper and Boston qualifier, to contender for a spot on the starting line at the United States Olympic Marathon Trials spot.

Since then, he has run a 14:41 5K (04/2017), 1:06:49 half marathon (01/2016), and 2:17:33 full marathon (12/2017) which qualified him for the 2020 United States Olympic Marathon Trials. 

His sponsors include rabbit, The Lab, Feetures!, Santa Barbara Running Company. 

Curly is a father of 2 kids named Noah and Mackenzie. When he is not running or chasing the kids around, he is a full time employee with TSA and is also a nightclub/wedding/radio DJ.