University of California Athletics

Accolades

• NCAA team championship (2019, 2022)
• Pac-12 team championship (2018, 2019, 2020, 2021, 2022)
• 12x CSCAA All-American
  • 2022: 400 IM
  • 2021: 500 free, 1650 free (HM), 400 IM
  • 2020: 500 Free, 1650 Free, 400 IM
  • 2019: 500 Free, 400 IM, 1650 Free
  • 2018: 1650 Free (HM), 500 Free (HM)
• 4x U.S. National Team member
  • 2020-21: 400 IM
  • 2019-20: 400 IM
  • 2018-19: 400 IM
  • 2017-18: 400 IM
• CSCAA Scholar All-American (2020)
• Pac-12 All-Academic Team Honorable Mention (2019)

• Graduated with his degree in molecular environmental biology following the 2021-22 season
• Utilized the NCAA's wavier – which was granted to all Division I athletes who competed during the 2021-22 season – to compete collegiately for a fifth year
• Capped a decorated collegiate career by leading Cal to 2022 NCAA & Pac-12 team titles
• Earned his 12th career All-America certificate by placing eighth in 400 IM (3:40.12)
  • Finished 19th in 500 free (4:14.38) & 24th in 1650 free (15:00.65)
• Helped Cal win its fifth consecutive Pac-12 Championships team title with three top-six finishes
  • 5th in 1650 free (14:41.22)
  • 6th in 500 free (4:15.21)
  • 6th in 400 IM (3:43.50)
• Won the 1000 free (9:06.64) in a dual meet victory vs. #6 Arizona State (Jan. 22)
• Left Cal as one of its most accomplished distance swimmers, ranking among the program's top-four swimmers in 500 free, 1000 free, 1650 free & 400 IM

• Totaled 31 points across three events in Cal's runner-up finish at NCAA Championships
• Collected All-America status in all three events
  • 3rd place, 400 IM (3:38.73)
  • 7th place, 500 free (4:11.82)
  • 14th place, 1650 free (14:48.98)
• Swam the nation's sixth-fastest 400 IM (3:38.68) & ninth-fastest 500 free (4:11.12) in NCAA prelims 
• Excelled at Pac-12 Championships, tallying 43 points with three top-six finishes in the 500 free (4:16.05), 1650 free (14:54.95) & 400 IM (3:41.30)
• Among Cal's top-10 in six events throughout the 2020-21 season

• Claimed CSCAA All-American honors in three events (500 Free, 1650 Free, 400 IM)
• Totaled 47 points (all individual) to help Cal win its third consecutive Pac-12 Championship
  • 2nd in 1650 free (14:51.09)
  • 3rd in 400 IM (3:42.18)
  • 5th in 500 free (4:14.57)
• Finished his junior year among the team's top 10 times in seven events, including team-bests in 1650 free (14:51.09) & 1000 free (8:59.53)

• Major contributor to Cal winning its sixth NCAA team championship
• Broke his own school record in 500 free twice at NCAA Championships, clocking 4:11.11 in prelims before touching in 4:10.29 to place second in finals
• Placed second in 400 IM (3:37.03) the next day at the NCAA Championships
• Posted a seven-second personal best and touched fourth in 14:35.82 in 1650 free at NCAA Championships
• Earned CSCAA All-America honors in 500 free, 400 IM & 1650 free
• Finished sophomore season among team's top eight times in six events, including 500 free, 1000 free, 1650 free, 200 breast, 200 fly & 400 IM

• One of nation's most versatile swimmers as a freshman, earning All-America honors in both 500 & 1650 free
• Played key role in Cal's runner-up finish at NCAA Championships, specifically with a six-point, 11th-place swim in 1650 free (14:42.97)
• Also scored in 500 free at NCAA Championships, setting Cal record with prelim time of 4:12.94; ultimately placed 13th in event & earned 10 points
• Ended first year in Berkeley with team's best time in 500 free, second-best time in 1650 free & third-best time in 400 IM
• Ranked third in school history in 1650 free & fifth in 400 IM at end of freshman season

National (USA)

• 4x U.S. National Team member (2017-18, 2018-19, 2019-20, 2020-21)
• Two-time participant at U.S. Olympic Swimming Trials
  • Placed 16th in 400m IM (4:22.67), 17th in 200m IM (2:01.31) & 37th in 200m free (1:50.42) at 2021 Trials
  • Broke a junior world record in 400m IM at 2016 Trials
• Former member of U.S. Junior National Team (2014-16)
• Swam for Team USA at 2019 World University Games in Naples, Italy
  • Placed second in the 400 IM (4:13.52), earning his first senior international medal
  • Split 1:48.43 in 4x200 free relay prelims, helping help Team USA earn top seed heading into finals, which they then won to earn Grieshop a gold medal
• Finished third in 400 IM with personal best 4:12.72 at the 2018 Phillips 66 National Championships
• Won gold in 400 IM & 800 free relay & broke world junior record in relay at 2015 World Junior Championships
• Competed for Team USA at Junior Pan Pacs (2014, 2016) & at 2015 World Junior Championships

• Swam club for Nitro Swimming
• Left Nitro with several team & LSC records, including National Age Group record in 1,650-yard free age group record in 500 free
• Graduated from St. Dominic Savio Catholic High School (Austin, Texas)
• Extremely accomplished in the classroom as a member of National Honor Society, MuAlphTheta Math Honor Society & Spanish Honor Society

Personal

• Full name is Sean Thomas Grieshop
• Born on Nov. 23, 1998 in El Paso, Texas
• Son of Neil Grieshop & Anne Semmer
• Has two siblings, Ryan & Jack