2020 as a senior (season cut short due to Coronavirus)
- Appeared in 14 games with eight starts as 1B, 3B, DP, and P
- Tallied a season-high two RBIs against UKC on Feb. 23.
- Hit her first homerun of the season against Virginia Tech on Feb. 7.
- Threw 5.2 IP, striking out four batters.
- Threw 2 scoreless innings in relief against FAU on Feb. 29.
2019 as a junior
- Started in all 51 games, splitting time between 1b, DP, and P
- Tied for the team lead with 5 home runs
- Tied for second on the team with 34 hits
- Recorded first Division I hit against Bucknell on Feb. 8
- Hit first Division I home run and recorded three RBIs against UMass on Feb. 17
- Went 4-for-4 with three doubles against Fordham on Feb. 23
- Recorded two hits and two RBIs against Miami (OH) on March 10
- Batted 4-for-4 with three runs and two doubles against Illinois on April 13
2018 at Kirkwood CC
- Named NFCA National Player of the Year
- NFCA first team All-American
- Iowa Community College Athletic Conference Offensive Player of the Year
- NJCAA DII home run champion with 30 home runs
- National leader with 90 RBIs and 191 total bases
- Ranked second in Division II with a 1.079 slugging percentage and 82 runs scored
- In the circle, Mayhew went 20-3 with a 2.08 ERA and four shutouts
- Finished the season with a .446 batting average
- Recorded five multi-home run games
- Went 4-5 with four home runs and 12 RBIs against North Iowa Area Community College on April 19
- Three-time first team All-State honoree
- Iowa Gatorade Player of the Year following her sophomore season
- Three-time first team All-Conference honoree and Conference Player of the Year after he senior season
- Three-time first team All-District honoree
- Two-time Team MVP voted on by her teammates
- Holds three school records (BA: .569, HR: 17, BB: 43) and five career records (Runs: 162, BA: .493, HR: 59, RBIs: 255, BB: 136)
- High school coaches were Mark Lewis, Kayla Farnsworth, and Jay Hatch.
- Born December 22, 1997
- Daughter of Don Mayhew and Teresa VonHoldt
- Has two siblings (Andrew and Alexis VonHoldt)
- Health and Human Physiology and Pre-Physical Therapy major