Reid has also displayed consistent results, claiming his first elite podium with a third at the Karlovy World Cup in September.
Seasoned Games campaigner Andrea Hewitt is the most experienced of the quintet.
The 35-year-old won bronze at the Melbourne 2006 Commonwealth Games and finished fourth in Glasgow four years ago. This year Hewitt won in Abu Dhabi and on the Gold Coast.
Ryan Sissons is the other athlete with experience, having competed at the London and Rio Olympics and Glasgow Commonwealth Games. Sissons won the Madrid ITU Triathlon World Cup this year, and placed third in the Hamburg world series event.
All the athletes will contest the individual events, and two men and women will contest the mixed team relay.
The individual women's and men's events will be "sprint" triathlons consisting of a 750m open water swim, 20km cycle and 5km run.
The races begin and finish at Southport Broadwater Parklands.