The last limb of Grand Slam Track - nan athletics title backed by Olympic awesome Michael Johnson - has been cancelled, sources person told nan BBC.
It is understood location were concerns astir nan economics of nan woody astatine nan last venue of nan 2025 almanac successful Los Angeles, and organisers will alternatively ore connected adjacent season's programme.
It is besides understood Grand Slam Track (GST) is group to denote caller investors to thief money its 2nd season.
The title was owed to tally for 4 meets successful its debut season, culminating astatine University College Los Angeles' Drake Stadium connected 28-29 June.
The LA meet was successful statement to travel those successful nan Jamaican superior of Kingston - which saw debased summons income passim nan events - and successful nan USA successful Miami and Philadelphia.
The title featured a big of well-known athletes, including British Olympic sprinters Daryll Neita and Matthew Hudson-Smith, and 1500m world champion Josh Kerr.
Male and female competitors are subdivided into six categories - each containing 8 athletes - specified arsenic Short Sprints, pinch nan 8 featuring successful that group competing successful nan 100m and 200m each weekend.
It offered important financial incentives, pinch up to $100,000 (£73,600) connected connection for nan winners of title categories, arsenic good arsenic salaries for contracted athletes.
GST has suffered controversies successful its maiden year. American three-time Olympic champion Gabby Thomas was allegedly abused during nan meet successful Philadelphia.
And Johnson himself admitted he would "love to spot much spectators" aft nan opening arena successful Kingston was poorly attended successful April.
However, organisers do see nan 3 meetings that took spot a success.
Johnson said erstwhile launching nan arena that while it whitethorn not beryllium a financial occurrence successful nan short-term, he believed successful its semipermanent viability.