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BOSTON MARATHON 2025

Matt Zimmer

NY

Bib: 27551 M

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:13/mi
31:43
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:06/mi
1:03:07
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:12/mi
1:34:49
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:24/mi
2:07:07
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:14/mi
2:14:06
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:32/mi
2:42:04
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:47/mi
3:21:46
↑ 181↓ 1480.2%
138 ft elev
20M
12:36/mi
3:38:54
↑ 64↓ 500.2%
148 ft elev
21M
13:00/mi
3:51:54
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:02/mi
4:00:09
↑ 17↓ 861.7%
156 ft elev
23M
14:12/mi
4:17:56
↑ 23↓ 630.6%
116 ft elev
24M
14:37/mi
4:32:33
↓ 821.3%
34 ft elev
40K· 24.85 mi
12:48/mi
4:43:30
↓ 200.3%
20 ft elev
25.2M
13:41/mi
4:48:13
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
12:07/mi
5:00:34
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:14:0610:14 /mi⚡ faster
2nd Half
2:46:2812:42 /mi+24.1%
Positive split — 24.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
31:4310:133.11 mi31:43
10:13
-
10K
1:03:0710:093.10 mi31:24
10:06
-0:07
15K
1:34:4910:103.11 mi31:42
10:12
+0:06
20K
2:07:0710:143.11 mi32:18
10:24
+0:12
Half(13.11 mi)
2:14:0610:140.68 mi6:59
10:14
-0:10
25K
2:42:0410:262.42 mi27:58
11:32
+1:18
30K
3:21:4610:493.11 mi39:42
12:47
+1:15
20M
3:38:5410:571.36 mi17:08
12:36
-0:11
21M
3:51:5411:031.00 mi13:00
13:00
+0:24
35K
4:00:0911:030.75 mi8:15
11:02
-1:58
23M
4:17:5611:131.25 mi17:47
14:12
+3:10
24M
4:32:3311:211.00 mi14:37
14:37
+0:25
40K
4:43:3011:240.85 mi10:57
12:48
-1:49
25.2M
4:48:1311:260.35 mi4:43
13:41
+0:53
Finish(26.22 mi)
5:00:3411:281.02 mi12:21
12:07
-1:34
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:06 /mi

Average Pace

11:28 /mi

Slowest Pace

14:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:22:21

47% of race

Time at Steady Pace

1:48:06

36% of race

Time at Slower Pace

50:07

17% of race

Average Pace: 11:28 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi260781521015210254231489314893
10K3.10 mi25814+26415082+12815082+128255441493114931
15K3.11 mi25663+15115002+8015002+80254231489314893
20K3.11 mi25487+17614919+8314919+83250161468714687
Half(13.11 mi)0.68 mi25473+1414916+314916+3253241481714817
25K2.42 mi25581-10814955-3914955-39259081502915029
30K3.11 mi25793-21215012-5715012-57264551518415184
20M1.36 mi25807-1415004+815004+8260301493614936
21M1.00 mi25791+1614987+1714987+17250421439014390
35K0.75 mi25759+3214964+2314964+23242601401014010
23M1.25 mi25927-16815038-7415038-74274781556615566
24M1.00 mi26082-15515099-6115099-61279261578515785
40K0.85 mi26099-1715096+315096+3260871483914839
25.2M0.35 mi26106-71509615096259121471114711
Finish(26.22 mi)1.02 mi26157-5115112-1615112-16269321526315263

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25423

Males

14893

M18-39

14893

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

25544

Males

14931

M18-39

14931

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25423

Males

14893

M18-39

14893

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

25016

Males

14687

M18-39

14687

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25324

Males

14817

M18-39

14817

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25908

Males

15029

M18-39

15029

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26455

Males

15184

M18-39

15184

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

26030

Males

14936

M18-39

14936

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

25042

Males

14390

M18-39

14390

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24260

Males

14010

M18-39

14010

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27478

Males

15566

M18-39

15566

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27926

Males

15785

M18-39

15785

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26087

Males

14839

M18-39

14839

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25912

Males

14711

M18-39

14711

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

26932

Males

15263

M18-39

15263

Passing Analysis

Category:
Passed
1102
Passed By
1181
Net Change
-79
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26078
5K → 10K34076+264#26078#25814
10K → 15K21362+151#25814#25663
15K → 20K21539+176#25663#25487
20K → Half3117+14#25487#25473
Half → 25K63171-108#25473#25581
25K → 30K55267-212#25581#25793
30K → 20M4963-14#25793#25807
20M → 21M4529+16#25807#25791
21M → 35K4715+32#25791#25759
35K → 23M10178-168#25759#25927
23M → 24M4159-155#25927#26082
24M → 40K1936-17#26082#26099
40K → 25.2M714-7#26099#26106
25.2M → Finish455-51#26106#26157
TOTALS11021181-79

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing