* Two-Time All-American *
2014 Season (Senior):
2013 Season (Junior):
- Placed fifth at the NCAA Championships in Terre Haute, completing the 10K course in 30:08.9.
- Earned his first All-America honor.
- Was the top American-born runner at nationals.
- Earned All-West Region honors by finishing second to eventual NCAA champion Edward Cheserek of Oregon, at Haggin Oaks Golf Complex in Sacramento.
- Led Stanford to the West Region title, running 29:43 (10K).
- Named to the All-Pac-12 first team.
- Finished second at the Pac-12 Championships, trailing only occasional high school summer training partner Cheserek.
- Ran 24:42 (8K) in the race at Coal Creek Golf Course in Louisville, Colo.
- Placed second to teammate Erik Olson at the Stanford Invitational (24:25, 8K).
- Was Stanford's No. 3 at Pre-Nationals, placing 14th (23:44.83, 8K).
- Team No. 1 at season-opening USF Invite, placing third overall (25:20.2).
2012 Season (Sophomore):
- Named to the USTFCCCA All-West Region team after sixth in the NCAA West Regionals in Seattle.
- As team's No. 2 runner, helped Stanford to West Regional title, running 29:52 for 10K.
- Placed 45th at Pac-12 Championships in Santa Clarita, Calif., running 24:44 for 8K.
- Placed 166th as Stanford's No. 6 runner at NCAA Championships in Louisvlle,Ky., clocking 31:16.7 over 10K.
- First-place Stanford's No. 1 runner in Wisconsin adidas Invitational, placing 19th (8K, 23:44).
- Raced in five meets.
- Was ninth at Stanford Invitational (8K, 24:10).
- Pac-12 All-Academic honorable mention.
2011 Season (Freshman):
- Placed 192nd at the Wisconsin Invitational with a time of 25:30.
Track and Field:
- Earned first-team outdoor All-America honors by placing sixth in the 10,000 in his first NCAA championship meet while running a personal record 28:57.51 in 2014.
- Has a 5,000 best of 13:50.55.
- Won the 2010 New Jersey cross country championship.
- Also captured state crowns in the 1,600 and 3,200 meters.
- Runner-up at the 2010 Nike Outdoor Nationals in the 2-mile, losing only to his twin brother Joe.
- 2008 cross country team won the state championship and placed fifth at the Nike Cross Nationals.
- Squad won four straight New Jersey Group 3 championships.
- Member of the national record-setting 4xmile indoor relay.
- Captained the cross country, indoor and spring track teams his senior year.
- Son of Larry and Patricia Rosa.
- Has a twin brother, Joe, who also runs for Stanford.
- Has two older siblings, Larry and Kiki.
- Majoring in management science and engineering.
- Brother Larry swam for Rutgers University, reaching the finals at the Big East Championships.
- Father swam in the Pan American Games for Puerto Rico.