NBC Sports Group coverage of several Olympic sports this weekend is highlighted by the Arena Pro Swim series from Orlando, Florida, beginning at 10 p.m. ET tonight on Universal HD. Coverage continues live at 6 p.m. Saturday on NBCSN.
Notable Americans competing this weekend include six 2012 Olympians: Michael Phelps (100m butterfly, 200m individual medley), the most decorated Olympian of all time with a total of 22 medals; four-time Olympic gold medalist and world record-holder in the 200m backstroke Missy Franklin (100m backstroke and 200m backstroke); Katie Ledecky (800m freestyle), an Olympic gold medalist and nine-time world champion who holds three world records; three-time Olympic gold medalists Allison Schmitt (200m freestyle) and Nathan Adrian (100m freestyle); and Matt Grevers (100m backstroke), a four-time Olympic gold medalist.
This weekend's event in Orlando is the third stop of seven on the Arena Pro Swim Series circuit for 2015-16. There are 49 countries expected to compete this weekend, with 17 Olympic medalists who have combined to win 40 Olympic golds and 72 Olympic medals overall.
Jason Knapp calls the action for NBCSN and Universal HD, joined by analyst and three-time Olympic gold medalist Rowdy Gaines.
Also this weekend, the 2016 ITU World Triathlon Series kicks off from Abu Dhabi, with the women's competition Saturday at 10 p.m. on NBCSN, and the men's competition at 4 p.m. Sunday on Universal HD. Abu Dhabi is the first of nine events, and athletes competing in the series can earn Olympic qualification points for their countries.