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BOSTON MARATHON 2025

Michael Slattery

Bib: 29982•M

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
28:27
Rank: #23057
Start → 5K
28:27 | 9:09/mi
10K· 6.21 mi
56:23
Rank: #22717 (+340)
5K → 10K
27:56 | 8:59/mi
15K· 9.32 mi
1:24:00
Rank: #22328 (+389)
10K → 15K
27:37 | 8:53/mi
20K· 12.43 mi
1:51:53
Rank: #21949 (+379)
15K → 20K
27:53 | 8:58/mi
Half· 13.11 mi
1:57:33
Rank: #21772 (+177)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:19:07
Rank: #21359 (+413)
Half → 25K
21:34 | 8:54/mi
30K· 18.64 mi
2:48:12
Rank: #20980 (+379)
25K → 30K
29:05 | 9:22/mi
20M
2:59:51
Rank: #20515 (+465)
30K → 20M
11:39 | 8:34/mi
21M
3:08:51
Rank: #20163 (+352)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
3:15:19
Rank: #20023 (+140)
21M → 35K
6:28 | 8:39/mi
23M
3:26:34
Rank: #19822 (+201)
35K → 23M
11:15 | 8:59/mi
24M
3:35:17
Rank: #19645 (+177)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:42:45
Rank: #19476 (+169)
24M → 40K
7:28 | 8:44/mi
25.2M
3:45:55
Rank: #19368 (+108)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:53:46
Rank: #19088 (+280)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:57:33
Pace8:58 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:56:13
Pace8:52 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0628:279:0928:27
9:09
-
10K
6.21 mi12:18:0256:239:0427:56
8:59
-0:10
15K
9.32 mi12:45:391:24:009:0127:37
8:53
-0:06
20K
12.43 mi13:13:321:51:539:0027:53
8:58
+0:05
Half
13.11 mi13:19:121:57:338:585:40
8:18
-0:40
25K
15.53 mi13:40:462:19:078:5721:34
8:54
+0:36
30K
18.64 mi14:09:512:48:129:0129:05
9:22
+0:28
20M
20.00 mi14:21:302:59:519:0011:39
8:34
-0:48
21M
21.00 mi14:30:303:08:519:009:00
9:00
+0:26
35K
21.75 mi14:36:583:15:198:596:28
8:39
-0:21
23M
23.00 mi14:48:133:26:348:5911:15
8:59
+0:20
24M
24.00 mi14:56:563:35:178:588:43
8:43
-0:16
40K
24.85 mi15:04:243:42:458:587:28
8:44
+0:01
25.2M
25.20 mi15:07:343:45:558:583:10
9:11
+0:27
Finish
26.22 mi15:15:253:53:468:557:51
7:42
-1:29

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:42 /mi

Average Pace

8:55 /mi

Slowest Pace

9:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:38

14% of race

Time at Steady Pace

2:21:26

61% of race

Time at Slower Pace

1:00:42

26% of race

Average Pace: 8:55 /mi

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

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:50:0628:279:0928:27
9:09
#23057
10K
6.21 mi12:18:0256:239:0427:56
8:59
#22717
15K
9.32 mi12:45:391:24:009:0127:37
8:53
#22328
20K
12.43 mi13:13:321:51:539:0027:53
8:58
#21949
Half
13.11 mi13:19:121:57:338:585:40
8:18
#21772
25K
15.53 mi13:40:462:19:078:5721:34
8:54
#21359
30K
18.64 mi14:09:512:48:129:0129:05
9:22
#20980
20M
20.00 mi14:21:302:59:519:0011:39
8:34
#20515
21M
21.00 mi14:30:303:08:519:009:00
9:00
#20163
35K
21.75 mi14:36:583:15:198:596:28
8:39
#20023
23M
23.00 mi14:48:133:26:348:5911:15
8:59
#19822
24M
24.00 mi14:56:563:35:178:588:43
8:43
#19645
40K
24.85 mi15:04:243:42:458:587:28
8:44
#19476
25.2M
25.20 mi15:07:343:45:558:583:10
9:11
#19368
Finish
26.22 mi15:15:253:53:468:557:51
7:42
#19088
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23057137901379021503(Top 76%)13163(Top 82%)13163(Top 233%)
10K6.21 mi3.10 mi22717+34013652+13813652+13822337(Top 79%)13494(Top 84%)13494(Top 239%)
15K9.32 mi3.11 mi22328+38913499+15313499+15321503(Top 76%)13163(Top 82%)13163(Top 233%)
20K12.43 mi3.11 mi21949+37913313+18613313+18620824(Top 73%)12805(Top 80%)12805(Top 227%)
Half13.11 mi0.68 mi21772+17713233+8013233+8017946(Top 63%)11616(Top 72%)11616(Top 206%)
25K15.53 mi2.42 mi21359+41313052+18113052+18119399(Top 68%)12139(Top 75%)12139(Top 215%)
30K18.64 mi3.11 mi20980+37912842+21012842+21019380(Top 68%)12001(Top 75%)12001(Top 213%)
20M20.00 mi1.36 mi20515+46512621+22112621+22114255(Top 50%)9588(Top 60%)9588(Top 170%)
21M21.00 mi1.00 mi20163+35212434+18712434+18713503(Top 48%)9117(Top 57%)9117(Top 162%)
35K21.75 mi0.75 mi20023+14012363+7112363+7116323(Top 57%)10332(Top 64%)10332(Top 183%)
23M23.00 mi1.25 mi19822+20112246+11712246+11716162(Top 57%)10151(Top 63%)10151(Top 180%)
24M24.00 mi1.00 mi19645+17712140+10612140+10615832(Top 56%)9968(Top 62%)9968(Top 177%)
40K24.85 mi0.85 mi19476+16912056+8412056+8414805(Top 52%)9360(Top 58%)9360(Top 166%)
25.2M25.20 mi0.35 mi19368+10811998+5811998+5812819(Top 45%)8404(Top 52%)8404(Top 149%)
Finish26.22 mi1.02 mi19088+28011858+14011858+14010722(Top 38%)7376(Top 46%)7376(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21503

Males

13163

M18-39

13163

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22337

Males

13494

M18-39

13494

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21503

Males

13163

M18-39

13163

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

20824

Males

12805

M18-39

12805

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

17946

Males

11616

M18-39

11616

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

19399

Males

12139

M18-39

12139

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19380

Males

12001

M18-39

12001

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14255

Males

9588

M18-39

9588

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13503

Males

9117

M18-39

9117

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16323

Males

10332

M18-39

10332

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16162

Males

10151

M18-39

10151

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15832

Males

9968

M18-39

9968

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14805

Males

9360

M18-39

9360

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12819

Males

8404

M18-39

8404

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10722

Males

7376

M18-39

7376

Passing Analysis

Category:
Athletes Passed
4178
Passed By
209
Net Change
+3969
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23057
5K → 10K43090+340#23057#22717
10K → 15K43142+389#22717#22328
15K → 20K40526+379#22328#21949
20K → Half1770+177#21949#21772
Half → 25K4152+413#21772#21359
25K → 30K40930+379#21359#20980
30K → 20M4650+465#20980#20515
20M → 21M3542+352#20515#20163
21M → 35K1444+140#20163#20023
35K → 23M2054+201#20023#19822
23M → 24M1836+177#19822#19645
24M → 40K1701+169#19645#19476
40K → 25.2M1102+108#19476#19368
25.2M → Finish2800+280#19368#19088
TOTALS4178209+3969
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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