Listed below are the dates of Happy Valley grass barrier trials for the 2015/2016 racing season. The trials will be conducted over approximately 1,700 metres, 1,200 metres and 1,000 metres with the normal conditions applying.
2015
| Saturday |
5 September 2015 |
| Saturday |
3 October 2015 |
| Saturday |
21 November 2015 |
| Friday |
18 December 2015 |
2016
| Saturday |
16 January 2016 |
| Saturday |
13 February 2016 |
| Saturday |
5 March 2016 |
| Saturday |
2 April 2016 |
| Saturday |
21 May 2016 |
| Saturday |
18 June 2016 |
