The award to Blaine Murphy was made after the Court of Appeal rejected as "perverse" a High Court judge's finding he was primarily liable.
The appeal court increased by almost €364,000 the High Court's award of some €199,000 compensation to Mr Murphy, now aged 30, of Cashelmara, Knocknacarra, Galway.
He had appealed the High Court's finding of 66.66pc contributory negligence against him, which had cut his award for injuries suffered as a 19-year-old spectator at the 2005 Galway International Motor Rally.
He sued County Galway Motor Club Ltd, which organised and managed the rally under the auspices of Irish Motorsport Federation Ltd (Motor Sport Ireland), and Motor Sport Ireland Safety Team, which provided safety services for the rally. Read More