The County Championships are organised by Oxon AA and the Yarnton 5 was one of the 5 Mile Road Race events in 2007 and 2008. Eligibility for the county championships is in accordance with the rules of UKA and Oxon AA and the entrants must have:
1. Either 9 months residence or born in County.
2. Must not have entered championships for, or represented, any other County during the calendar year 2007
(at any distance road, track or cross county).
You can enter the County Championships at no extra cost and it is open to both club runners and unattched runners. Please note, entries for Oxon Championships must be received at least 7 days in advance of the race. Unfortunately, we will not be able to accept any entries after this deadline or on the race day.
Medals are awarded by the Oxon AA based upon the number of entries, the formula is set out below
| Medals Awarded | Gold Only | Gold and Silver | Gold, Silver and Bronze |
| Number of Entries per Category | 1-4 | 5-7 | 8+ |
| Individual Male | Individual Female |
| Under 17 | Under 17 |
| Under 20 | Under 20 |
| Between 20-39 | Between 20-34 |
| Over 40 | Over 35 |
| Over 50 | Over 45 |
| Over 60 | Over 55 |
| Team Male | Team Female |
| Gold Only | Gold Only |
| 4 to Count | 3 to Count |