"But the men's calendar is very congested and complex, with a lot of different stakeholders, and we have to make sure we engage with them all before we consider a World Cup every two years."
It comes a week after Fifa announced plans to reshape international football by changing World Cup tournaments to every two years.
Gilpin, WC23 chief executive Claude Atcher and chairman of World Rugby Bill Beaumont met in Paris this week nearing the halfway point in the World Cup cycle to the start of the 2023 World Cup.
Other topics on the agenda were France 2023 ticketing issues, World Cup scheduling and possible World Cup expansion, the Telegraph reports.
Football's plans
Last week, Fifa detailed its plan for reshaping international football around playing the men's World Cup every two years despite European opposition that could lead to a boycott.
Joined by retired greats, FIFA unveiled the proposal but the pushback from Europe was immediate as UEFA president Aleksander Ceferin confirmed it could launch a boycott by its teams which have dominated football's marquee event since Brazil won in 2002.
"We can decide not to play in it," Ceferin said in an interview with British daily The Times.
About 80 former internationals including World Cup winners went to Qatar for two days of FIFA-hosted talks and emerged with consensus for playing the tournament twice as often.
"We all agreed with the new proposal of the calendar," said Brazil great Ronaldo, who went to four World Cups and won twice. He described FIFA's proposal as "just amazing."
Still, European football leader Ceferin said "as far as I know, the South Americans are on the same page" with resisting FIFA's plan.
"So good luck with a World Cup like that," Ceferin told The Times in the latest UEFA vs. FIFA fight since 2016 when he and Gianni Infantino were elected to the respective presidencies.
FIFA can expect opposition from Olympic sports to adding another World Cup that would absorb billions of dollars in commercial revenue and a huge amount of media attention.
If approved, a biennial World Cup would likely move to odd-numbered years to avoid clashing with the Summer Olympics which open in late-July in 2028 and 2032.
- With AP