Concluding events at the World Track & Field Championships (CNBC, 8 p.m.; NBC, 9 p.m.) go primetime, including men’s and women’s 4 x 400 relays, pole vault and women’s hurdles.
It’s also the concluding day of the Tour de France (USA, 10 a.m.) after 20 days, four countries and nearly 2,000 miles as riders race into the Champs-Elysees.
Shark Week returns for its 34th year, with Dwayne “The Rock” Johnson hosting. Its initial four specials are “Return to Headstone Hell” (Discovery, 7 p.m.), “Great White Battleground” (Discovery, 9 p.m.), “Jackass Shark Week 2.0” (Discovery, 9 p.m.) and “Great White Open Ocean” (Discovery, 10:37 p.m.),
The Rock also appears in a discussion of his wrestling career on “WWE Rivals” (A&E, 10 p.m.).
Allison Janney looks for her genealogy on “Who Do You Think You Are?” (NBC, 7 p.m.).
“Ugliest House in America” (HGTV, 8 p.m.) returns for its fourth season, with Retta hosting.
A season finale comes for the period drama “Hotel Portofino” (PBS, 8 p.m., check local listings).
“Patagonia: Life on the Edge of the World” (CNN, 9 p.m.) travels up the Patagonian Andes.