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BOSTON MARATHON 2024

Emily Lacasse

Bib: 26861•F

PA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:11/mi
31:38
↑ 97↓ 3451.5%
10K· 6.21 mi
10:01/mi
1:02:45
↑ 79↓ 1380.4%
15K· 9.32 mi
10:23/mi
1:35:01
↑ 67↓ 78
20K· 12.43 mi
11:41/mi
2:11:20
↑ 106↓ 860.1%
Half· 13.11 mi
11:16/mi
2:19:01
↑ 19↓ 370.5%
25K· 15.53 mi
12:20/mi
2:48:56
↑ 66↓ 880.2%
30K· 18.64 mi
12:50/mi
3:28:47
↑ 181↓ 1480.2%
20M
13:27/mi
3:47:03
↑ 64↓ 500.2%
21M
14:00/mi
4:01:03
↑ 106↓ 241.6%
35K· 21.75 mi
12:41/mi
4:10:32
↑ 17↓ 861.7%
23M
13:27/mi
4:27:23
↑ 23↓ 630.6%
24M
13:48/mi
4:41:11
↓ 821.3%
40K· 24.85 mi
13:31/mi
4:52:44
↓ 200.3%
25.2M
14:36/mi
4:57:46
↑ 13↓ 160.2%
Finish· 26.22 mi
13:00/mi
5:11:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:01
Pace10:36 /mi
2nd Half
Distance13.11 mi
Time2:52:00
Pace13:07 /mi
📊Positive Split: 23.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4931:3810:1131:38
10:11
-
10K
6.21 mi12:20:561:02:4510:0631:07
10:01
-0:10
15K
9.32 mi12:53:121:35:0110:1232:16
10:23
+0:22
20K
12.43 mi13:29:312:11:2010:3436:19
11:41
+1:18
Half
13.11 mi13:37:122:19:0110:367:41
11:16
-0:25
25K
15.53 mi14:07:072:48:5610:5229:55
12:20
+1:04
30K
18.64 mi14:46:583:28:4711:1239:51
12:50
+0:30
20M
20.00 mi15:05:143:47:0311:2118:16
13:27
+0:37
21M
21.00 mi15:19:144:01:0311:2914:00
14:00
+0:33
35K
21.75 mi15:28:434:10:3211:319:29
12:41
-1:19
23M
23.00 mi15:45:344:27:2311:3816:51
13:27
+0:46
24M
24.00 mi15:59:224:41:1111:4313:48
13:48
+0:21
40K
24.85 mi16:10:554:52:4411:4711:33
13:31
-0:17
25.2M
25.20 mi16:15:574:57:4611:495:02
14:36
+1:05
Finish
26.22 mi16:29:125:11:0111:5213:15
13:00
-1:36

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

10:01 /mi

Average Pace

11:52 /mi

Slowest Pace

14:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:01

45% of race

Time at Steady Pace

2:19:10

45% of race

Time at Slower Pace

32:50

11% of race

Average Pace: 11:52 /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 mi11:49:4931:3810:1131:38
10:11
#23400
10K
6.21 mi12:20:561:02:4510:0631:07
10:01
#22993
15K
9.32 mi12:53:121:35:0110:1232:16
10:23
#22921
20K
12.43 mi13:29:312:11:2010:3436:19
11:41
#23157
Half
13.11 mi13:37:122:19:0110:367:41
11:16
#23225
25K
15.53 mi14:07:072:48:5610:5229:55
12:20
#23343
30K
18.64 mi14:46:583:28:4711:1239:51
12:50
#23332
20M
20.00 mi15:05:143:47:0311:2118:16
13:27
#23334
21M
21.00 mi15:19:144:01:0311:2914:00
14:00
#23267
35K
21.75 mi15:28:434:10:3211:319:29
12:41
#23252
23M
23.00 mi15:45:344:27:2311:3816:51
13:27
#23261
24M
24.00 mi15:59:224:41:1111:4313:48
13:48
#23305
40K
24.85 mi16:10:554:52:4411:4711:33
13:31
#23329
25.2M
25.20 mi16:15:574:57:4611:495:02
14:36
#23331
Finish
26.22 mi16:29:125:11:0111:5213:15
13:00
#23403
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi234009603960322728(Top 89%)9283(Top 85%)9283(Top 199%)
10K6.21 mi3.10 mi22993+4079412+1919412+19122602(Top 88%)9233(Top 85%)9233(Top 198%)
15K9.32 mi3.11 mi22921+729372+409372+4022728(Top 89%)9283(Top 85%)9283(Top 199%)
20K12.43 mi3.11 mi23157-2369508-1369508-13623621(Top 92%)9795(Top 90%)9795(Top 210%)
Half13.11 mi0.68 mi23225-689553-459553-4523854(Top 93%)9972(Top 91%)9972(Top 214%)
25K15.53 mi2.42 mi23343-1189642-899642-8923566(Top 92%)9845(Top 90%)9845(Top 211%)
30K18.64 mi3.11 mi23332+119674-329674-3223086(Top 90%)9699(Top 89%)9699(Top 208%)
20M20.00 mi1.36 mi23334-29702-289702-2823412(Top 92%)9958(Top 91%)9958(Top 214%)
21M21.00 mi1.00 mi23267+679669+339669+3322336(Top 87%)9461(Top 87%)9461(Top 203%)
35K21.75 mi0.75 mi23252+159669966922845(Top 89%)9752(Top 89%)9752(Top 209%)
23M23.00 mi1.25 mi23261-99687-189687-1823177(Top 91%)9924(Top 91%)9924(Top 213%)
24M24.00 mi1.00 mi23305-449724-379724-3723989(Top 94%)10342(Top 95%)10342(Top 222%)
40K24.85 mi0.85 mi23329-249743-199743-1923031(Top 90%)9937(Top 91%)9937(Top 213%)
25.2M25.20 mi0.35 mi23331-29746-39746-322510(Top 88%)9708(Top 89%)9708(Top 208%)
Finish26.22 mi1.02 mi23403-729805-599805-5924353(Top 95%)10524(Top 96%)10524(Top 226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

22728

Females

9283

F18-39

9283

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

22602

Females

9233

F18-39

9233

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

22728

Females

9283

F18-39

9283

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

23621

Females

9795

F18-39

9795

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

23854

Females

9972

F18-39

9972

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

23566

Females

9845

F18-39

9845

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

23086

Females

9699

F18-39

9699

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

23412

Females

9958

F18-39

9958

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

22336

Females

9461

F18-39

9461

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

22845

Females

9752

F18-39

9752

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

23177

Females

9924

F18-39

9924

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

23989

Females

10342

F18-39

10342

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23031

Females

9937

F18-39

9937

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

22510

Females

9708

F18-39

9708

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

24353

Females

10524

F18-39

10524

Passing Analysis

Category:
Athletes Passed
1285
Passed By
1288
Net Change
-3
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23400
5K → 10K46558+407#23400#22993
10K → 15K197125+72#22993#22921
15K → 20K91327-236#22921#23157
20K → Half876-68#23157#23225
Half → 25K77195-118#23225#23343
25K → 30K137126+11#23343#23332
30K → 20M6163-2#23332#23334
20M → 21M8215+67#23334#23267
21M → 35K3823+15#23267#23252
35K → 23M4756-9#23252#23261
23M → 24M2266-44#23261#23305
24M → 40K2145-24#23305#23329
40K → 25.2M1719-2#23329#23331
25.2M → Finish2294-72#23331#23403
TOTALS12851288-3
📊

Passing Visuals

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