Here are all Florida's distance athletes from the track roster who had results for high school and college on their pages and showed improvement. I left off the others because there's no reason to embarrass them. Many of these athletes did improve a lot. The xc results, though, don't at first glance stand out, with a couple obvious exceptions.
Imogen Barrett hs AUS 2:08/4:23, UF 2:01 (SEC Outdoor champ 2022)/4:14
Emily Culley hs FL 4:58/10:42, UF 4:23 1500 (=4:42 mile)/9:36 3k (=10:20 2M)/16:54
Stephy Ormsby Collegiate PR | Indoor: 3,000m: 8:53.89, 5,000m: 17:09.06; Outdoor: 1,500m: 4:25.80, 5,000m: 15:54.73
High School PR | 1,600m: 5:12.30 3,000m: 10:46.73
Also: Collegiate XC PR | 5K: 17:58.2; 6K: 20:18.03
High School PR | 1,600m: 5:12.30; 3,200m: 12:00.25 | 5k: 17:46.50
Vasileia Spyrou Collegiate PR | Indoor: Mile: 4:54.34, 1000m: 2:54.60, 3000m: 9:17.29; Outdoor: 800m: 2:06.79, 1500m: 4:18.31, 3000m: 9:31.67; 5000m: 16:37.83
High School PR | 1,500m: 4:27.21 3,000m: 9:30.62 5,000 meters road: 17:35
Parker Valby Collegiate PR | Indoor: 3,000m: 8:53.89 (SR); Outdoor: 5,000m: 15:20.10 (SR)
High School PR | 1,600m: 4:50.59 3,200m: 10:10.45
Sam Austin Collegiate PR | Indoor: 800m: 1:47.76, 600m: 1:15.96; Outdoor: 800m: 1:47.87
High School PR | 400m: 47.71 800m: 1:50.00
Ethan Geiger Collegiate PR | 3000m: 8:47.88, 5000m: 15:17.14; Outdoor: 1500m: 3:55.96, 5000m: 14:25.03
High School PR | 1600m: 4:26.49, 3200m: 9:13.46, 5k(XC): 15:15.83
Reed Legg Collegiate PR | Indoor: Mile: 4:07.22, 3000m: 8:13.17; Outdoor: 800m: 1:53.28, 1,500: 3:48.47, 3,000mSC: 9:07.57
High School PR | 1,600m: 4:17.92 3,200m: 9:15.62 5k(XC): 15:35.80
Eoin McNally Collegiate PR | Outdoor: 800m: 1:51.32, 1500m: 3:50.29
High School PR | 800m: 1:55.07; Mile: 4:15.02; 5,000m (XC): 15:23.77
Jacob Miley Collegiate PR | Indoor: 300m: 33.64, 400m: 46.97, 600m: 1:21.96, 800m: 1:50.47, Outdoor: 200m: 21.25, 400m: 46.15
High School PR | 800m: 1:51.03; 400m: 48.63
Caden Monk Collegiate PR | Indoor: 1,000m: 2:26.03, 3,000m: 8:24.10, Mile: 4:07.94; Outdoor: 800m: 1:50.64, 1,500: 3:43.25
High School PR | 1,500m: 4:24.55; 1,600m: 4:13.91; 3,200m: 9:14.40
Matt Mule Collegiate PR | Outdoor: 800m: 1:51.02, 1500m: 3:46.40
High School PR | 800m: 1:53.86; 1,600m: 4:11.31; 3,200m: 9:14.59; 5,000m (XC): 15:29.26
Javi Vento Collegiate PR | Outdoor: 1500m: 3:49.09, 3000m: 8:23.59, 5000m: 14:49.21
High School PR | 800m: 1:53.95; Mile: 4:09.26; 1,600m: 4:11.20; 3,200m: 9:02.61; 5,000m(XC): 15:21.00
Cavan Wilson Collegiate PR | Indoor: 3000m: 8:22.21, 5000m: 14:35.84; Outdoor: 1500m: 3:56.15, 5000m: 14:34.67
High School PR | 1600m: 4:21.62; 3200m: 9:14.42
Mac Wright Collegiate PR | Outdoor: 1500m: 3:56.50, 3000mS: 9:40.38
High School PR | 1,600m: 4:21.94; 3,200m: 9:20.26; 5,000m (XC): 15:44.69