Examples:

• Despite being the underdog, our team gave the reigning champions a run for their money.
• The young tennis player gave the experienced opponent a run for their money in the final match.
• The new restaurant in town is giving established eateries a run for their money with its unique cuisine.
• The talented singer gave the established artists a run for their money during the singing competition.
• The startup company is giving the industry giants a run for their money with its innovative approach.
• The rookie basketball player is giving the seasoned veterans a run for their money with his impressive skills.
• The ambitious politician is giving the incumbent a run for their money in the upcoming election.
• The new employee is giving his coworkers a run for their money with his exceptional work ethic.
• The young author's debut novel is giving established writers a run for their money with its compelling storyline.
• The determined student is giving her classmates a run for their money with her consistently high grades.
• The up-and-coming artist is giving renowned painters a run for their money with his unique style.
• The small business owner is giving the corporate giants a run for their money with his personalized service.
• The young chess prodigy is giving experienced players a run for their money in the national tournament.
• The rookie pitcher is giving the seasoned batters a run for their money with his lightning-fast pitches.
• The talented actress is giving established stars a run for their money with her captivating performances.
• The startup tech company is giving established firms a run for their money with its groundbreaking inventions.
• The determined marathon runner is giving her competitors a run for their money with her exceptional speed.
• The young entrepreneur is giving established business owners a run for their money with his innovative ideas.
• The aspiring fashion designer is giving renowned designers a run for their money with her unique creations.
• The up-and-coming band is giving established musicians a run for their money with their catchy tunes.
• He’ll give those professional players a run for their money.

  Having an infant and a toddler sure is giving me a run for my money.