You are able to merge members in ResultsHQ. Use this with caution as it is irreversible!
1. From with your ResultsHQ profile, click on the Settings link at the top right
2. Click on the Merge Member button under the Centre Setup heading
3. Within the Merge Member screen, on the left column select the name of the athlete who's results that you would like to push towards another athlete
4. On the right column of names select the athlete who will receive the results (generally the true registered member)
5. Once you are SURE that you have selected the correct athletes (there will be no undo button!), press the Merge Members button