Sponsored by

Boston Marathon mile, kilometer marks

Here are the mile and kilometer marks along the route of the Boston Marathon, as provided by the Boston Athletic Association.

Kilometer Mile Location City/Town
Start Start Main St. Hopkinton
1 Km 0.62 Rte. 135-East Main St. Hopkinton
1.60 1 Mile Rte. 135-East Main St. Hopkinton
2 Km 1.24 Rte. 135-East Main St. Hopkinton
3 Km 1.86 Rte. 135-East Main St. Hopkinton
3.21 2 Miles Rte. 135-West Union St. Ashland
4 Km 2.48 Rte. 135-West Union St. Ashland
4.82 3 Miles Rte. 135-East Union St. Ashland
5 Km 3.10 Rte. 135-East Union St. Ashland
6 Km 3.72 Rte. 135-Union St. Ashland
6.43 4 Miles Rte. 135-Union St. Ashland
7 Km 4.34 Rte. 135-Waverly St. Ashland
8 Km 4.97 Rte. 135-Waverly St. Ashland
8.04 5 Miles Rte. 135-Waverly St. Framingham
9 Km 5.59 Rte. 135-Waverly St. Framingham
9.65 6 Miles Rte. 135-Waverly St. Framingham
10 Km 6.21 Rte. 135-Waverly St. Framingham
11 Km 6.83 Rte. 135-Waverly St. Framingham
11.26 7 Miles Rte. 135-Waverly St. Framingham
12 Km 7.45 Rte. 135-Waverly St. Framingham
12.88 8 Miles Rte. 135-West Central St. Natick
13 Km 8.07 Rte. 135-West Central St. Natick
14 Km 8.69 Rte. 135-West Central St. Natick
14.48 9 Miles Rte. 135-West Central St. Natick
15 Km 9.32 Rte. 135-West Central St. Natick
16 Km 9.94 Rte. 135-West Central St. Natick
16.09 10 Miles Rte. 135-West Central St. Natick
17 Km 10.56 Rte. 135-East Central St. Natick
17.70 11 Miles Rte. 135-East Central St. Natick
18 Km 11.18 Rte. 135-East Central St. Natick
19 Km 11.80 Rte. 135-East Central St. Natick
19.31 12 Miles Rte. 135-Central St. Wellesley
20 Km 12.42 Rte. 135-Central St. Wellesley
20.92 13 Miles Rte. 135-Central St. Wellesley
21 Km 13.04 Rte. 135-Central St.
(Halfway mark)
Wellesley
22 Km 13.67 Rte. 16-Washington St. Wellesley
22.53 14 Miles Rte. 16-Washington St. Wellesley
21.0975 Km 13.1 Mi. Rte. 135-Central St. Wellesley
23 Km 14.29 Rte. 16-Washington St. Wellesley
24 Km 14.91 Rte. 16-Washington St. Wellesley
24.14 15 Miles Rte. 16-Washington St. Wellesley
25 Km 15.53 Rte. 16-Washington St. Wellesley Lower Falls
25.74 16 Miles Rte. 16-Washington St. Newton Lower Falls
26 Km 16.15 Rte. 16-Washington St. Newton Lower Falls
27 Km 16.77 Rte. 16-Washington St. Newton
27.35 17 Miles Rte. 16-Washington St. Newton
28 Km 17.39 Rte. 16-Washington St. Newton
28.96 18 Miles Rte. 30-Commonwealth Ave. West Newton
29 Km 18.01 Rte. 30-Commonwealth Ave. West Newton
30 Km 18.64 Rte. 30-Commonwealth Ave. Newton/Waban
30.57 19 Miles Rte. 30-Commonwealth Ave. Newton
31 Km 19.26 Rte. 30-Commonwealth Ave. Newton
32 Km 19.88 Rte. 30-Commonwealth Ave. Newton
32.18 20 Miles Rte. 30-Commonwealth Ave. Newton
33 Km 20.50 Rte. 30-Commonwealth Ave. Newton/Chestnut Hill
33.79 21 Miles Rte. 30-Commonwealth Ave. Newton/Chestnut Hill
34 Km 21.12 Rte. 30-Commonwealth Ave. Newton/Chestnut Hill
35 Km 21.74 Rte. 30-Commonwealth Ave. Boston/Brighton
35.40 22 Miles Rte. 30-Commonwealth Ave. Boston/Brighton
36 Km 22.36 Chestnut Hill Ave./Cleveland Circle Boston/Brighton
37 Km 22.99 Rte. 9A-Beacon St. Brookline
37.01 23 Miles Rte. 9A-Beacon St. Brookline
38 Km 23.61 Rte. 9A-Beacon St. Brookline
38.62 24 Miles Rte. 9A-Beacon St. Brookline/Coolidge Corner
40 Km 24.85 Rte. 9A-Beacon St. Boston
40.23 25 Miles Rte. 9A-Beacon St. Boston
40.57 25.2 Rte. 30-Commonwealth Ave. Boston/Kenmore Square
41 Km 25.47 Rte. 30-Commonwealth Ave. Boston/Back Bay
41.84 26 Miles Boylston St. Boston/Back Bay
42 Km 26.09 Boylston St. Boston/Back Bay
42.195 26.2 Boylston St./Copley Square (Finish) Boston/Back Bay at Public Library