This article contains a chronological summary of the events from the 2015 Pan American Games in Toronto, Ontario, Canada.

The aquatics events were scheduled to be held roughly around the same time as the 2015 World Aquatics Championships scheduled in Kazan, Russia. The Organizing Committee's goal is to have the best athletes competing at the Games and thus the schedule for the five aquatics disciplines had to be changed to accommodate athletes. The synchronized swimming competition actually was moved to the day before the opening ceremony, diving events began on the day of the opening ceremony (when events are traditionally not held on the day of the ceremony), open water swimming was moved to the first weekend of the games, swimming was reduced to a five-day schedule (down from seven in Guadalajara, Mexico), and water polo competitions began three days before the opening ceremony. All events were scheduled to be completed by July 24, six days before the opening ceremonies of the World Championships, which in itself was moved back a week to accommodate the games. The change in schedule meant that for the first time ever, events were held before the opening ceremony.^[1][2]

The 2015 World Archery Championships were scheduled later in July, not to conflict with the games, while the 2015 World Fencing Championships, which would finish the day before the fencing competitions begin, would have events coordinated to allow athletes to compete at both events. Finally, the second round of the 2015 Davis Cup was moved ahead one week not to conflict with the tennis competitions. Tennis competitions also began before the opening ceremony, to allow athletes to compete in both events.^[3][4]

In the following calendar for the 2015 Pan American Games, each blue box represents an event competition, such as a qualification round, on that day. The yellow boxes represent days during which medal-awarding finals for a sport are held. The number in each box represents the number of finals that will be contested on that day.^[5]

More information July, 7 Tue ...

July		7 Tue	8 Wed	9 Thu	10 Fri	11 Sat	12 Sun	13 Mon	14 Tue	15 Wed	16 Thu	17 Fri	18 Sat	19 Sun	20 Mon	21 Tue	22 Wed	23 Thu	24 Fri	25 Sat	26 Sun	Events
Ceremonies (opening / closing)					OC																CC	—
Aquatics
	Diving				●	2	2	4														8
	Open water swimming					1	1															2
	Swimming								6	7	5	8	6									32
	Synchronized swimming			●		2																2
	Water polo	●	●	●		●	●	●	1	1												2
Archery									●	●	●	2	2									4
Athletics													1	2		9	8	8	10	8	1	47
Badminton						●	●	●	●	2	3											5
Baseball						●	●	●	●	●	●	●	●	1	●	●	●	●	●	●	1	2
Basketball											●	●	●	●	1	●	●	●	●	1		2
Beach volleyball								●	●	●	●	●	●	●	●	2						2
Bowling																	●	2	●	2		4
Boxing													●	●	●	●	●	●	6	7		13
Canoeing	Slalom												●	5								5
	Sprint					1	1	5	6													13
Cycling	BMX				●	2																2
	Mountain biking						2															2
	Road																2			2		4
	Track										3	2	2	3								10
Equestrian	Dressage					●	1		1													2
	Eventing											●	●	2								2
	Jumping															●		1		1		2
Fencing															2	2	2	2	2	2		12
Field hockey								●	●	●	●	●	●		●	●	●	●	1	1		2
Football						●	●	●	●	●	●	●	●	●	●	●	●	●	●	1	1	2
Golf											●	●	●	3								3
Gymnastics	Artistic					1	1	2	5	5												14
	Rhythmic											●	2	3	3							8
	Trampoline												●	2								2
Handball											●	●	●	●	●	●	●	●	1	1		2
Judo						3	3	4	4													14
Karate																		3	3	4		10
Modern pentathlon													1	1								2
Racquetball														●	●	●	●	●	4	●	2	6
Roller sports						●	4	4														8
Rowing						●	●	4	5	5												14
Rugby sevens						●	2															2
Sailing							●	●	●	●	●	●	5	5								10
Shooting							2	3	1	2	1	2	2	2								15
Softball							●	●	●	●	●	●	1	●	●	●	●	●	●	●	1	2
Squash						●	●	2	2	●	●	2										6
Table tennis														●	●	2	●	●	●	2		4
Taekwondo														2	2	2	2					8
Tennis					●	●	●	●	●	3	2											5
Triathlon						1	1															2
Volleyball											●	●	●	●	●	●	●	●	●	1	1	2
Water skiing															●	●	3	6				9
Weightlifting						3	3	3	3	3												15
Wrestling										4	5	5	4									18
Total events						16	23	31	34	32	19	21	26	31	8	17	17	22	27	33	7	364
Cumulative total						16	39	70	104	136	155	176	202	233	241	258	275	297	324	357	364	—
July		7 Tue	8 Wed	9 Thu	10 Fri	11 Sat	12 Sun	13 Mon	14 Tue	15 Wed	16 Thu	17 Fri	18 Sat	19 Sun	20 Mon	21 Tue	22 Wed	23 Thu	24 Fri	25 Sat	26 Sun	Events

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  *   Host nation (Canada)

More information Rank, NOC ...

Rank	NOC	Gold	Silver	Bronze	Total
1	United States	103	82	80	265
2	Canada*	78	70	71	219
3	Brazil	42	39	60	141
4	Cuba	36	27	34	97
5	Colombia	27	14	31	72
6	Mexico	22	30	43	95
7	Argentina	15	29	30	74
8	Venezuela	8	22	20	50
9	Ecuador	7	9	16	32
10	Guatemala	6	1	3	10
11–31	Remaining NOCs	22	39	69	130
Totals (31 entries)		366	362	457	1185

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The first competitions of the Games took place.