In February 2023, she finished third in the pentathlon at the USA Indoor Championships, held at the Convention Center, Albuquerque.[6] Marsh won the gold medal in the heptathlon at the 2023 Pan American Games in Santiago, Chile.[7][8]
After overcoming a succession of injuries at the start of 2024 she recovered to compete at the US Olympic trials in Eugene, Oregon, in June 2024, and finished twelfth overall in the heptathlon competition.[9]
She finished in eleventh place overall in the heptathlon at the Hypo-Meeting in Götzis, Austria, on 1 June 2025.[10] She was runner-up in the heptathlon at the International Meeting of Arona in Spain, the second Gold leg of the World Athletics Combined Events Tour, in June 2025.[11] She placed twelfth overall in the season-long World Athletics Combined Events Tour for 2025.[12]
