Triathlon
On 6 April 2003 David competed in the St George/BRW Corporate Triathon:
    

In May 2005 David competed in the Tri NSW Club Champs at Nelson Bay with some friends (pictured front row: Ruth, David, Susan, Megan; back row: Greg & Mark)

Marathons/Half Marathons
David completed the SMH Half Marathon in 2004 & 2005 in times of about 95 minutes. He completed the Sydney Marathon in 2004 in a time of about 3 hours 48 minutes. The photo below is from the 2004 SMH Half Marathon (courtesy of photographer Tina whose husband Steve was also competing)

Six Foot Track
The "Six Foot Track" race is a 45km Ultra-Marathon from Katoomba to Jenolan Caves. Although it is a net downhill race (finish is about 300m lower than the start) there is a total climb of about 1200m and a total fall of about 1500m. David is shown below at the finish of the 2005 event where he finished alongside his friend Megan in a time of about 5 hours 49 minutes.

In 2006 David also competed in the Six Foot Track race, with a group of friends from the Blue Mountains Joggers (shown below, left to right, Graham, Chris, Roger, David, & Bill). Also shown below is the start of the 2006 race and the introduction of the sweepers. David suffered from major cramping during this race and finished in about 6 hours 55 minutes (just inside the 7 hour cutoff)