2025-26 (Virginia Tech)
- Averaged 8.0 points per game, 5.7 assists per game, 3.3 rebounds per game, and 1.4 steals per game during the 2025-26 season at Virginia Tech.
- 6.0 assist-to-turnover ratio ranked second nationally.
- Nelson’s 5.7 assists per contest in 2025-26 ranked second in the ACC and 17th
- Recorded 22 five-plus assist games (three 10-plus assist outings), nine double-digit scoring games, nine five-plus rebounding performances, eight games with three-plus steals, and a pair of double-doubles.
- Put up a career-high 18 points and a career-best 12 assists in first career-double double at Florida St. (Dec. 18).
- Recorded second career double-double (10 points, 11 assists) in regular season finale at Virginia (Mar. 1).
- Named to All-ACC Women's Basketball Academic Team.
- Named to the 2026 KayYow Servant Leader Class.
Coach Poppie on Nelson: “Mackie is a true floor general. Her ability to push the pace and be a playmaker for herself and others stands out. Mackie was one of the best guards in the country in the assist-to-turnover ratio last season. She’s a veteran of the ACC, and her skillset mixed with how much of a competitor she is makes her a perfect fit here at Clemson.”
2024-25 (Virginia Tech)
- Named to All-ACC Women's Basketball Academic Team.
- Averaged 6.0 points per game, 3.3 assists per contest, and 2.0 rebounds per game.
- 1.8 assist-to-turnover ratio ranked 8th in the ACC.
- Logged seven games with five-plus assists.
2023-24 (Virginia Tech)
- Did not see action.
High School
- Ranked No. 65 in 2023 ESPN HoopGurlz recruiting rankings.
- Played club for Team Exodus NYC EYBL.
- Three-time captain at St. Luke’s.
- Led her team to the NEPSAC championship game, where she scored 45 points.
- Was named FAA All-First Team, All-NEPSAC during senior campaign.
- Named 2022-23 Connecticut Gatorade Player of the Year.
- Selected to be a part of the Jr. NBA Court of Leaders.
- Was a dual sport athlete, also played soccer.
- Competed for Greenwich for one season.
- Named First Team All-State as a freshman, totaling 530 points, 136 rebounds, and 89 steals in 23 games.