The phrase "up until the start of" is grammatically correct and can be used in written English.
Example: "Up until the start of the pandemic, I used to travel internationally at least once a year."
Up until the start of this week they had included forces from Fiji, India, Ireland, Nepal, Netherlands and the Philippines.
"I can't get any sponsorship and if I don't get any support then I'll have to keep working right up until the start of the Olympics," he said.
The potential for a clash between legitimate heavyweights existed all the way up until the start of this year's regular season.
Remember, the report - Prosperity, Poverty and Inequality in London 2000/01-2010/11 - covers only the period up until the start of the coalition's election in 2010.
However, there is one simple trick you can try right now to draw out the colour of summer up until the start of autumn.
In it, we live life first as a 1950s family, wearing 1950s clothes and eating 1950s food in a 1950s house – and then the following week we're in the 1960s, and the week after that the 1970s, and so it goes up until the start of the 21st century.
On the delivery to New York from Europe, the mast broke; the two sailors wound up waiting until the start of the race to work together as a double-handed team.
Researchers from the C.S. Mott Center for Human Growth and Development made this discovery by observing research participants in MRI scanners wearing two body-size heating pads for up to two hours until the start of a hot flash.
Our review suggested that timeliness of detection, investigation and response is poor for most outbreaks occurring in fragile states, with up to five months elapsing until the start of meaningful control.
Up until the beginning of 2012, the US started the Lifeline program to assist low-income and Social Security disability Americans with receiving cell phone service.
Examinees had to survive from their examination date until the start of follow-up at 22 years of age.
