If you would like to swap your Wimbledon entry for the ON London Half marathon on the same day, please fill out the form below.
Once you have done this, there is no need to do anything further and we will contact you closer to the time.
If you would like to swap your Wimbledon entry for the ON London Half marathon on the same day, please fill out the form below.
Once you have done this, there is no need to do anything further and we will contact you closer to the time.