From Mo Farah and Jessica Ennis-Hill to Nicola Adams and Usain Bolt, heres our guide on how to follow all of Team GBs contenders and the big names in every event on every day of the Games all times are in BST
Day -2 (Wed 3 Aug)
Two days before the opening ceremony, the womens football begins starting early to make space for all the group games. So, officially, Sweden v South Africa is Rios curtain-raiser, at 5pm in the Joo Havelange Olympic Stadium. That is followed on the same pitch by the hosts Brazil versus China. There is no British interest London 2012 was a Team GB football one-off.
Day -1 (Thu 4 August)
More football, as the mens competition gets under way, starting with Iraq v Denmark in Brasilia the warm-up act before the hosts take on South Africa at 8pm in the same venue. Neymar features for Brazil, who really need a result in this tournament to help them get over 2014s 7-1 World Cup humiliation to Germany.
Day 0 (Fri 5 August)
The opening ceremony, in Rios rebuilt Maracan. Four years after Danny Boyles London show wowed billions, Brazil has its chance to play up the positives. Director Fernando Meirelles reportedly has a tenth of Boyles 31m budget amid heavy spending cuts, but organisers are billing the show as the biggest ever display of not just Brazilian culture but world culture. Seats cost between 45 and 1,000. One twist to enjoy: the traditional interminable flag parade is in alphabetical order according to nations names in Portuguese, with Team GB 76th out. Youll need to stay up late to make it that far, though: proceedings begin at midnight.
Day 1 (Sat 6 August)
And, officially, it begins. Twelve golds are available the first in the womens 10m air rifle at 2.30pm. Elsewhere, Chris Froome is among the favourites in the mens road race (1.30pm); theres an Olympic debut for rugby sevens, with Britains women facing Brazil at 4pm and Japan at 9pm; and in the mens 400m freestyle at the Aquatics Stadium, keep an eye on 20-year-old Bury swimmer James Guy up against favourite Sun Yang of China. Other British interest includes Ashley McKenzie in the -60kg judo from 2pm, the mens hockey team playing Belgium from 4.30pm, and the women playing Australia in the early hours, from 12.30am. Theres also some Copacabana beach volleyball to enjoy from 2pm.
Archery 9.07pm Mens team event; Cycling (road) 1.30pm Mens road race; Fencing 9.45pm Womens pe individual; Judo 9pm Womens -48kg, 9.20pm Mens -60kg; Shooting 2.30pm Womens 10m air rifle, 7.30pm Mens 10m air pistol; Swimming 2.03am Mens 400m individual medley; 2.30am Mens 400m freestyle; 2.49am Womens 400m individual medley; 3.24am womens 4x100m freestyle relay; Weightlifting 11pm Womens 48kg
Day 2 (Sun 7 August)
As the womens gymnastics qualification begins, with Team GB in action from 6.30pm, there are 14 golds on offer elsewhere, and some big names in action in the pool. If youre up (very) late, Adam Peaty is in the mens 100m breaststroke (2.53am Monday); and the US teenager Katie Ledecky is expected to shine in the womens 400m freestyle at 3.01am. Others to watch out for: Lizzie Armitstead in the womens cycling road race from 4.15pm; the Commonwealth judo champion Colin Oates in action from 2pm; Team GBs mens hockey team play New Zealand at 9pm; GBs rugby sevens women face Canada at 4.30pm; and South Korea will (almost certainly) clean up in the womens archery again. Theyre chasing an eighth consecutive team title.
Archery 9.07pm Womens team event; Cycling (road) 4.15pm Womens road race; Diving 8pm Womens synchronised 3m springboard; Fencing 9.45pm Mens foil individual; Judo 9pm Womens -52kg; 9.20pm Mens -66kg; Shooting 3pm Womens 10m air pistol, 7.45pm Womens trap; Swimming 2.03am Womens 100m butterfly, 2.53am Mens 100m breaststroke, 3.01am Womens 400m freestyle, 3.54am Mens 4x100m freestyle relay; Weightlifting 7.30pm Womens 53kg, 11pm Mens 56kg
Day 3 (Mon 8 August)
Fourteen more golds, with the mens team gymnastics final from 8pm, and James Guy back in the pool for the mens 200m freestyle at 2.21am on Tuesday. He won the world title in Russia last year, but faces huge competition for Olympic gold here from London 2012 winner Yannick Agnel. Other events to watch out for include Tom Daley making his first appearance of the summer alongside Dan Goodfellow in the mens 10m synchro diving from 8pm; the first ever Olympic rugby sevens final the womens event at 11pm; and some familiar faces in the pool in the early hours, including Lithuanias 100m breaststroke hope Ruta Meilutyte, who starred at London 2012 aged 15, and another 2012 star, Missy Franklin, in the 200m freestyle heats.