Today, December 10th marks the 15th anniversary of the Dublin Port Tunnel Run. 2006 saw some 10,000 runners going underground in the Clonliffe Harriers promoted Port Tunnel Run held a mere 10 days before the official opening of the Port Tunnel. Today RTE Archives featured the news report (enjoy): https://www.rte.ie/archives/2021/1116/1260240-dublin-port-tunnel-run/