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BOSTON MARATHON 2024

Sean Laffey

Bib: 1665•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 6%
Gender (Male)
#0 / 14578
Top 10%
Division (M18-39)
#0 / 4849
Top 24%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:38
Rank: #929
Start → 5K
18:38 | 6:00/mi
10K· 6.21 mi
37:40
Rank: #1062 (-133)
5K → 10K
19:02 | 6:08/mi
15K· 9.32 mi
56:57
Rank: #1150 (-88)
10K → 15K
19:17 | 6:12/mi
20K· 12.43 mi
1:16:31
Rank: #1193 (-43)
15K → 20K
19:34 | 6:18/mi
Half· 13.11 mi
1:20:53
Rank: #1229 (-36)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:38:06
Rank: #1603 (-374)
Half → 25K
17:13 | 7:06/mi
30K· 18.64 mi
2:00:46
Rank: #1947 (-344)
25K → 30K
22:40 | 7:18/mi
20M
2:10:19
Rank: #1958 (-11)
30K → 20M
9:33 | 7:02/mi
21M
2:17:38
Rank: #1908 (+50)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:22:30
Rank: #1853 (+55)
21M → 35K
4:52 | 6:30/mi
23M
2:30:57
Rank: #1746 (+107)
35K → 23M
8:27 | 6:45/mi
24M
2:37:33
Rank: #1674 (+72)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:43:07
Rank: #1597 (+77)
24M → 40K
5:34 | 6:31/mi
25.2M
2:45:38
Rank: #1558 (+39)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:52:10
Rank: #1507 (+51)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:53
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:31:17
Pace6:58 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0618:386:0018:38
6:00
-
10K
6.21 mi10:38:0837:406:0419:02
6:08
+0:08
15K
9.32 mi10:57:2556:576:0719:17
6:12
+0:04
20K
12.43 mi11:16:591:16:316:0919:34
6:18
+0:06
Half
13.11 mi11:21:211:20:536:104:22
6:24
+0:06
25K
15.53 mi11:38:341:38:066:1917:13
7:06
+0:42
30K
18.64 mi12:01:142:00:466:2922:40
7:18
+0:12
20M
20.00 mi12:10:472:10:196:319:33
7:02
-0:16
21M
21.00 mi12:18:062:17:386:337:19
7:19
+0:17
35K
21.75 mi12:22:582:22:306:334:52
6:30
-0:49
23M
23.00 mi12:31:252:30:576:348:27
6:45
+0:15
24M
24.00 mi12:38:012:37:336:346:36
6:36
-0:09
40K
24.85 mi12:43:352:43:076:345:34
6:31
-0:05
25.2M
25.20 mi12:46:062:45:386:342:31
7:18
+0:47
Finish
26.22 mi12:52:382:52:106:346:32
6:25
-0:53

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

6:00 /mi

Average Pace

6:34 /mi

Slowest Pace

7:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:57

33% of race

Time at Steady Pace

47:30

28% of race

Time at Slower Pace

1:07:43

39% of race

Average Pace: 6:34 /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 mi10:19:0618:386:0018:38
6:00
#929
10K
6.21 mi10:38:0837:406:0419:02
6:08
#1062
15K
9.32 mi10:57:2556:576:0719:17
6:12
#1150
20K
12.43 mi11:16:591:16:316:0919:34
6:18
#1193
Half
13.11 mi11:21:211:20:536:104:22
6:24
#1229
25K
15.53 mi11:38:341:38:066:1917:13
7:06
#1603
30K
18.64 mi12:01:142:00:466:2922:40
7:18
#1947
20M
20.00 mi12:10:472:10:196:319:33
7:02
#1958
21M
21.00 mi12:18:062:17:386:337:19
7:19
#1908
35K
21.75 mi12:22:582:22:306:334:52
6:30
#1853
23M
23.00 mi12:31:252:30:576:348:27
6:45
#1746
24M
24.00 mi12:38:012:37:336:346:36
6:36
#1674
40K
24.85 mi12:43:352:43:076:345:34
6:31
#1597
25.2M
25.20 mi12:46:062:45:386:342:31
7:18
#1558
Finish
26.22 mi12:52:382:52:106:346:32
6:25
#1507
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9298938931396(Top 5%)1353(Top 9%)1353(Top 28%)
10K6.21 mi3.10 mi1062-1331022-1291022-1291254(Top 5%)1215(Top 8%)1215(Top 25%)
15K9.32 mi3.11 mi1150-881111-891111-891396(Top 5%)1353(Top 9%)1353(Top 28%)
20K12.43 mi3.11 mi1193-431154-431154-431358(Top 5%)1313(Top 9%)1313(Top 27%)
Half13.11 mi0.68 mi1229-361190-361190-362174(Top 9%)2090(Top 14%)2090(Top 43%)
25K15.53 mi2.42 mi1603-3741551-3611551-3614841(Top 19%)4353(Top 30%)4353(Top 90%)
30K18.64 mi3.11 mi1947-3441881-3301881-3304199(Top 16%)3772(Top 26%)3772(Top 78%)
20M20.00 mi1.36 mi1958-111888-71888-72502(Top 10%)2325(Top 16%)2325(Top 48%)
21M21.00 mi1.00 mi1908+501839+491839+491941(Top 8%)1801(Top 12%)1801(Top 37%)
35K21.75 mi0.75 mi1853+551783+561783+561307(Top 5%)1231(Top 8%)1231(Top 25%)
23M23.00 mi1.25 mi1746+1071676+1071676+1071190(Top 5%)1120(Top 8%)1120(Top 23%)
24M24.00 mi1.00 mi1674+721604+721604+721173(Top 5%)1094(Top 8%)1094(Top 23%)
40K24.85 mi0.85 mi1597+771528+761528+76764(Top 3%)711(Top 5%)711(Top 15%)
25.2M25.20 mi0.35 mi1558+391489+391489+391070(Top 4%)983(Top 7%)983(Top 20%)
Finish26.22 mi1.02 mi1507+511439+501439+501175(Top 5%)1072(Top 7%)1072(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1396

Males

1353

M18-39

1353

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1254

Males

1215

M18-39

1215

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1396

Males

1353

M18-39

1353

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1358

Males

1313

M18-39

1313

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2174

Males

2090

M18-39

2090

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

4841

Males

4353

M18-39

4353

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4199

Males

3772

M18-39

3772

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2502

Males

2325

M18-39

2325

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

1941

Males

1801

M18-39

1801

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1307

Males

1231

M18-39

1231

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1190

Males

1120

M18-39

1120

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1173

Males

1094

M18-39

1094

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

764

Males

711

M18-39

711

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1070

Males

983

M18-39

983

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1175

Males

1072

M18-39

1072

Passing Analysis

Category:
Athletes Passed
674
Passed By
1252
Net Change
-578
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#929
5K → 10K15148-133#929#1062
10K → 15K23111-88#1062#1150
15K → 20K3477-43#1150#1193
20K → Half541-36#1193#1229
Half → 25K10384-374#1229#1603
25K → 30K32376-344#1603#1947
30K → 20M4657-11#1947#1958
20M → 21M7525+50#1958#1908
21M → 35K594+55#1908#1853
35K → 23M1169+107#1853#1746
23M → 24M797+72#1746#1674
24M → 40K803+77#1674#1597
40K → 25.2M401+39#1597#1558
25.2M → Finish609+51#1558#1507
TOTALS6741252-578
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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