In the 18-minute group, York's Zoe Carroll stood out as the most improved, cutting 12 seconds from her 2024 time to finish third overall this year.
Leading the 19-minute group was Georgia Moon of Falmouth, who made a huge leap by dropping 1:03 off her time, moving from 20:01 down to 18:58 and earning a runner-up finish.
In the 20-minute range, Kate Morrison of Portland made a major move forward, trimming 1:01 from her mark - going from 20:45 to 19:44.
For the 21-minute athletes, Cheverus's Annabel Kimball saw one of the biggest jumps in the field, slicing off over two minutes with a new best of 19:34 (down from 21:41).
Finally, among those who ...