The club has a strong and dedicated road running section and competes regularly on a national as well as local level.
The men's team runs the South of England and National 6 Stage Relays and the women's team run their 4 and 6 Stage Relays. Both have finished in the top 20 in the country and are always one of the top South-West teams.
Cornwall AC individuals and teams regularly take part in mass participation races around the UK, such as the London Marathon and Bath, Bristol and Cardiff Half Marathons and members are often selected to represent the county in regional championships and challenges.

On a local level Cornwall AC compete in the Cornish Grand Prix series* and have won the Men's team title in 2003, 2004, 2005, 2006, 2007, 2008, 2009 and 2010 as well as the Ladies team title in 2008, 2009 and 2010.
Individual men's champions over the years have included Daniel Simons (2003), Dave Buzza (2004), Tony Dunn (2005) and Dave Buzza again in 2007, 2008 and 2009.
Individual ladies champions have been Sharon Coyne (2003, 2004), Zelah Morrell (2006), Jo Friday (2007) and Emma Stallard (2008, 2009 and 2010).
The club's youngsters compete in Area and National Road Relays as well as various shorter road runs at local races, although most of their racing takes place on the country or the track. However, with the introduction of an Under 20's 'Mini Grand Prix' in 2008, Cornwall AC's Matthew Cleave claimed the inaugural male title and retained it in 2009. Cornwall AC's Jenny Almey won the female Under 20 title in 2009 and Bethany Alston won the Under 20 in 2010.
A clean sweep of the Cornwall Mob Match has been achieved in 2002, 2003, 2004, 2005, 2006, 2007, 2008 and 2009 with CAC winning most team and individual categories.
The club organises three road races, the Duchy Marathon and the Mid-Summer Turkey Trot, which are part of the Cornish Grand Prix Series* and the Christmas Turkey Trot, held in mid-December. The Duchy Marathon is Cornwall's longest running race (the 34th in 2010) and Britain's second longest established marathon.
* (once kindly sponsored by Sandy Hill Physical Therapy Centre and since 2009, by Cornwall Glass and Glazing Ltd).
Main training night is Tuesday at 7.00pm at the Carn Brea Leisure Centre track, when a large, multi-ability, multi-club, mostly senior group, often comprising over 30 runners, enjoy a track session.
Smaller groups train on other days of the week, including Thursday evenings, meeting at the Carn Brea Leisure Centre reception for a road run of 6-7 miles. During the lighter summer evenings Cornwall AC runners enjoy a Thursday night 'Summer Tour'- consisting of 5-7 mile runs from different locations around Cornwall.
Cornwall Fire and Rescue Service Half marathon
26 February - Dragon Leisure Centre, Bodmin
36th Duchy Marathon (GP3) and 9th Duchy 20
4 March - Penventon Park Hotel, Redruth
11 March - Bath
18 March -
18 March - Penlee Park, Penzance
18 March - Looe
25 March - Helston RFC
The 5 Tors (Multi Terrain Race Series) (MTRS1)
1 April - Minions