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Runner Profile

Jack F. Butterworth

Milton Academy / All-time PR 19:48.00

Course-adjusted PR 19:35.37

Graduation year

Class of 2026

Race count

23

All-time rank

#459

Rankings

View season list

Adjusted-best source course

St. Mark's School Championship Course

Oct 26, 2024

Rankings use the course-adjusted PR, not the raw race time.

Progress graph

Results over time

Each season gets its own line. Hover a dot for the race name and click it to open the race page.

24:0121:3419:07Sep 17Nov 11
2022
2023
2024
2025Latest

Race History

Most recent results first

Showing every imported race for this runner.

DateRaceCourseRaw / Adj.Place
Oct 31, 2025Independent School League (ISL) Championship (JV)Oct 31, 2025 · Place 50Wrentham Championship 5K
Raw 19:58.99Adj. 20:29.04
50
Oct 25, 2025Milton Academy vs. BB&N boys cross countryOct 25, 2025 · Place 24Milton Standard 5K
Raw 20:24.00Adj. 20:31.82
24
Oct 18, 2025Milton (M) vs. Nobles (N) vs. Middlesex (MX) (JV)Oct 18, 2025 · Place 18Milton Standard 5K
Raw 20:41.00Adj. 20:48.93
18
Oct 11, 2025Milton Academy, Nobles, Tabor at St. George's (JV)Oct 11, 2025 · Place 12St. Georges 5K
Raw 21:06.00Adj. 20:43.58
12
Sep 27, 2025Brooks, Governor's Academy, Lawrence Academy vs. Milton Academy (JV)Sep 27, 2025 · Place 3Milton Standard 5K
Raw 21:00.00Adj. 21:08.05
3
Nov 1, 2024Independent School League (ISL) Championship (JV)Nov 1, 2024 · Place 38Wrentham Championship 5K
Raw 19:49.58Adj. 20:19.40
38
Oct 26, 2024St. Mark's vs. Belmont Hill vs. Thayer vs. Milton AcademyOct 26, 2024 · Place 21St. Mark's School Championship Course
Raw 19:48.00Adj. 19:35.37
21
Oct 19, 2024Governor's School vs. Milton AcademyOct 19, 2024 · Place 13Milton Standard 5K
Raw 19:48.00Adj. 19:55.59
13
Oct 11, 2024CROSS-COUNTRY AT ROXBURY LATIN SCHOOL (JV)Oct 11, 2024 · Place 4RL 5K Course
Raw 20:44.00Adj. 19:51.26
4
Oct 5, 2024Milton Academy vs Rivers, St. George's, Lawrence Academy (JV)Oct 5, 2024 · Place 16Milton Standard 5K
Raw 19:39.00Adj. 19:46.53
16
Sep 21, 2024Boys XC at NoblesSep 21, 2024 · Place 27Noble and Greenough School 5K
Raw 21:07.00Adj. 20:12.45
27
Nov 11, 2023NEPSTA Division I Championship (JV)Nov 11, 2023 · Place 57NEPSTA Championship Course
Raw 19:34.00Adj. 20:33.95
57
Nov 3, 2023Independent School League (ISL) Championship (JV)Nov 3, 2023 · Place 36Wrentham Championship 5K
Raw 19:25.70Adj. 19:54.92
36
Oct 21, 2023Middlesex, Milton, Rivers at BrooksOct 21, 2023 · Place 28Brooks School 5K
Raw 21:36.00Adj. 21:05.66
28
Oct 14, 2023Tabor at MiltonOct 14, 2023 · Place 18Milton Standard 5K
Raw 19:58.00Adj. 20:05.66
18
Oct 7, 2023BH, Nobles, Thayer at Milton (JV)Oct 7, 2023 · Place 13Milton Standard 5K
Raw 20:34.00Adj. 20:41.89
13
Sep 23, 2023Milton at LatinSep 23, 2023 · Place 27RL 5K Course
Raw 21:32.00Adj. 20:37.22
27
Nov 4, 2022Independent School League (ISL) Championship (JV)Nov 4, 2022 · Place 115Wrentham Championship 5K
Raw 21:34.25Adj. 22:06.69
115
Oct 29, 2022Middlesex, Milton at Tabor (JV)Oct 29, 2022 · Place 28Washington Park 5K Course
Raw 22:13.80Adj. 22:30.30
28
Oct 22, 2022Nobles at MiltonOct 22, 2022 · Place 34Milton Standard 5K
Raw 22:09.00Adj. 22:17.49
34
Oct 15, 2022Milton at St. George'sOct 15, 2022 · Place 26St. Georges 5K
Raw 23:25.00Adj. 23:00.12
26
Oct 1, 2022Governor's, Groton, Milton at St. Mark'sOct 1, 2022 · Place 46St. Mark's School Championship Course
Raw 23:07.00Adj. 22:52.25
46
Sep 17, 2022BH at Milton (JV)Sep 17, 2022 · Place 24Milton Standard 5K
Raw 23:24.00Adj. 23:32.97
24