The first competition at Horspath Athletics and Sports Ground following a £180,000 refurbishment will take place in April.
Oxford City Council’s revamp included resurfacing and relining the athletics track, and installing new nets for hammer and discus, and new take-off boards for long jump.
The two-month project was completed in October 2015.
On Wednesday April 27, the athletics and sports ground will host its first open competition, hosted by Oxford City Athletic Club, since the refurbishment.
The event, which will take place between 6.30pm and 9.15pm, will include races ranging from 100-metre to 3,000-metre and a field event.
About 200 athletes from all over the south of England are expected to attend.
The event will also host the official opening of the new facilities.
Councillor Mark Lygo, Executive Board Member for Leisure, Sport and Events, said: “This is yet another example of Oxford City Council investing in the city’s sports facilities.
“We will continue to do this because we recognise how important sport is for mental and physical wellbeing.”
Richard Hart, Chairman of Oxford City Athletic Club, said: “Anyone connected with athletics in Oxfordshire, but particularly people living in and around Oxford, have reason to be very grateful to Oxford City Council for its continued and extremely far-sighted support for athletics.
“Athletics in Oxford has a proud tradition, and the Oxford City club continues to produce national and international champions at all age levels.
“Not only is the refurbished track now one of the best tracks in the south east of England and a great place for people of all ages to be introduced to the sport, but it’s also become one of the few venues in the south that’s up to the standard for major championships.”
The investment follows the completion of £316,000 worth of outdoor fitness equipment across the city’s parks in December, along with the opening of the £900,000 Oxford Spires Sport & Fitness and the £4.76m Rose Hill Community Centre, which includes a gym and health facility, in January.
January also saw the first anniversary of the opening of Leys Pools & Leisure Centre. The £9m centre attracted 412,967 visitors between January and November 2015, compared to a combined 248,599 visitors who used the former Blackbird Leys Leisure Centre, Blackbird Leys Pool and Temple Cowley Pools in the same period during 2014.