How many races are there in Ajax in 2026?

2 races with a confirmed date are listed in and around Ajax, plus 2 that ran last season and haven't announced their next one. Between them they cover 5k, 10k. The list updates nightly.

What is the next race in Ajax?

The Pocket Run 5K on October 3, 2026.

Races in & near Ajax

2 races with a confirmed date in Ajax, Ontario (2 more are waiting on a date). Within 75 km there are 94 more with a confirmed date.

5K races · 1

When

Confirmed dates only

4 races listed

New races in Ajax, once a month

Newly listed races, and the registrations closing in the next three weeks. One email a month, one click to leave.

Near Ajax

Date to be announced
Seaton Scramble Trail RaceDate TBA
Pickering, ON · Trail · 50km / 25km / 15km / 7km
6 km
Sunday, October 4, 2026
Run for Durham 2026Price ends soon
Whitby, ON · Road · 5km / 3km / 1km · from $25
7 km
Saturday, December 5, 2026
2026 Santa Shuffle Whitby: Fun Run & Elf Walk
Whitby, ON · Road · 5km · from $62
7 km
Sunday, January 10, 2027
Running Room New Year's Run - Whitby
Whitby, ON · Road · 5km / 1km · from $13
7 km
Saturday, June 19, 2027
Shoppers Drug Mart® Run for Women - Whitby 2027
Whitby, ON · Road · 10km / 5km / 1km
7 km
Date to be announced
5k Race for Plates (StockTheSummer.ca)Date TBA
Whitby, ON · Road · 5km
7 km
Date to be announced
OTF Whitby 5k Run/WalkDate TBA
Whitby, ON · Road · 5km / 1km
7 km
Sunday, October 4, 2026
CIBC Run for the Cure — Durham Region
Oshawa, ON · Road · 5km / 1km
14 km
Saturday, June 5, 2027
2027 Scarborough 5K
Scarborough, ON · Road · 5km / 1km
21 km
Sunday, June 20, 2027
Stouffville Main Street 5K
Whitchurch-Stouffville, ON · Road · 5km / 1km · from $57
23 km
Saturday, October 3, 2026
PHM Run for the Residents
Markham, ON · Road · 21km / 6km
25 km
Saturday, October 3, 2026
Run for Markham 2026
Markham, ON · Road · 5km / 3km / 1km · from $24
25 km
Friday, October 23, 2026
JUKEBOX FEVER
Markham, ON · Road
25 km
Date to be announced
5K Run and WalkathonDate TBA
Markham, ON · Road · 5km
25 km
Sunday, May 23, 2027
Shoppers Drug Mart® Run for Women - Markham 2027
Markham, ON · Road · 10km / 5km / 1km
25 km

Racing in Ajax — FAQ

How many races are there in Ajax in 2026?: 2 races with a confirmed date are listed in and around Ajax, plus 2 that ran last season and haven't announced their next one. Between them they cover 5k, 10k. The list updates nightly.
What is the next race in Ajax?: The Pocket Run 5K on October 3, 2026.