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BOSTON MARATHON 2024

Kelsey Lahaie

Bib: 24924•F

NE

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:43
Rank: #24667
Start → 5K
33:43 | 10:51/mi
10K· 6.21 mi
1:10:27
Rank: #24898 (-231)
5K → 10K
36:44 | 11:49/mi
15K· 9.32 mi
1:51:30
Rank: #25148 (-250)
10K → 15K
41:03 | 13:13/mi
20K· 12.43 mi
2:32:05
Rank: #25117 (+31)
15K → 20K
40:35 | 13:04/mi
Half· 13.11 mi
2:40:56
Rank: #25132 (-15)
20K → Half
8:51 | 12:58/mi
25K· 15.53 mi
3:16:22
Rank: #25192 (-60)
Half → 25K
35:26 | 14:37/mi
30K· 18.64 mi
4:04:17
Rank: #25216 (-24)
25K → 30K
47:55 | 15:25/mi
20M
4:22:51
Rank: #25181 (+35)
30K → 20M
18:34 | 13:40/mi
21M
4:38:40
Rank: #25177 (+4)
20M → 21M
15:49 | 15:49/mi
35K· 21.75 mi
4:48:30
Rank: #25147 (+30)
21M → 35K
9:50 | 13:09/mi
23M
5:07:14
Rank: #25147
35K → 23M
18:44 | 14:58/mi
24M
5:21:03
Rank: #25131 (+16)
23M → 24M
13:49 | 13:49/mi
40K· 24.85 mi
5:34:09
Rank: #25140 (-9)
24M → 40K
13:06 | 15:19/mi
25.2M
5:39:30
Rank: #25136 (+4)
40K → 25.2M
5:21 | 15:31/mi
Finish· 26.22 mi
5:53:15
Rank: #25147 (-11)
25.2M → Finish
13:45 | 13:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:40:56
Pace12:17 /mi
2nd Half
Distance13.11 mi
Time3:12:19
Pace14:40 /mi
📊Positive Split: 19.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4933:4310:5133:43
10:51
-
10K
6.21 mi12:25:331:10:2711:2036:44
11:49
+0:58
15K
9.32 mi13:06:361:51:3011:5841:03
13:13
+1:24
20K
12.43 mi13:47:112:32:0512:1440:35
13:04
-0:09
Half
13.11 mi13:56:022:40:5612:178:51
12:58
-0:06
25K
15.53 mi14:31:283:16:2212:3835:26
14:37
+1:39
30K
18.64 mi15:19:234:04:1713:0647:55
15:25
+0:48
20M
20.00 mi15:37:574:22:5113:0918:34
13:40
-1:45
21M
21.00 mi15:53:464:38:4013:1615:49
15:49
+2:09
35K
21.75 mi16:03:364:48:3013:169:50
13:09
-2:40
23M
23.00 mi16:22:205:07:1413:2118:44
14:58
+1:49
24M
24.00 mi16:36:095:21:0313:2313:49
13:49
-1:09
40K
24.85 mi16:49:155:34:0913:2713:06
15:19
+1:30
25.2M
25.20 mi16:54:365:39:3013:285:21
15:31
+0:12
Finish
26.22 mi17:08:215:53:1513:2913:45
13:30
-2:01

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

10:51 /mi

Average Pace

13:29 /mi

Slowest Pace

15:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:18

22% of race

Time at Steady Pace

2:17:36

39% of race

Time at Slower Pace

2:16:21

39% of race

Average Pace: 13:28 /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 mi11:48:4933:4310:5133:43
10:51
#24667
10K
6.21 mi12:25:331:10:2711:2036:44
11:49
#24898
15K
9.32 mi13:06:361:51:3011:5841:03
13:13
#25148
20K
12.43 mi13:47:112:32:0512:1440:35
13:04
#25117
Half
13.11 mi13:56:022:40:5612:178:51
12:58
#25132
25K
15.53 mi14:31:283:16:2212:3835:26
14:37
#25192
30K
18.64 mi15:19:234:04:1713:0647:55
15:25
#25216
20M
20.00 mi15:37:574:22:5113:0918:34
13:40
#25181
21M
21.00 mi15:53:464:38:4013:1615:49
15:49
#25177
35K
21.75 mi16:03:364:48:3013:169:50
13:09
#25147
23M
23.00 mi16:22:205:07:1413:2118:44
14:58
#25147
24M
24.00 mi16:36:095:21:0313:2313:49
13:49
#25131
40K
24.85 mi16:49:155:34:0913:2713:06
15:19
#25140
25.2M
25.20 mi16:54:365:39:3013:285:21
15:31
#25136
Finish
26.22 mi17:08:215:53:1513:2913:45
13:30
#25147
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi24667103461034625354(Top 99%)10798(Top 99%)10798(Top 669%)
10K6.21 mi3.10 mi24898-23110495-14910495-14925017(Top 98%)10579(Top 97%)10579(Top 656%)
15K9.32 mi3.11 mi25148-25010660-16510660-16525354(Top 99%)10798(Top 99%)10798(Top 669%)
20K12.43 mi3.11 mi25117+3110645+1510645+1524904(Top 97%)10540(Top 96%)10540(Top 653%)
Half13.11 mi0.68 mi25132-1510660-1510660-1525163(Top 98%)10728(Top 98%)10728(Top 665%)
25K15.53 mi2.42 mi25192-6010702-4210702-4225213(Top 99%)10749(Top 98%)10749(Top 666%)
30K18.64 mi3.11 mi25216-2410727-2510727-2525142(Top 98%)10760(Top 98%)10760(Top 667%)
20M20.00 mi1.36 mi25181+3510707+2010707+2023652(Top 93%)10074(Top 92%)10074(Top 625%)
21M21.00 mi1.00 mi25177+410709-210709-224351(Top 95%)10432(Top 95%)10432(Top 647%)
35K21.75 mi0.75 mi25147+3010692+1710692+1723414(Top 92%)10026(Top 92%)10026(Top 622%)
23M23.00 mi1.25 mi2514710702-1010702-1024642(Top 96%)10593(Top 97%)10593(Top 657%)
24M24.00 mi1.00 mi25131+1610695+710695+724007(Top 94%)10355(Top 95%)10355(Top 642%)
40K24.85 mi0.85 mi25140-910700-510700-524724(Top 97%)10667(Top 98%)10667(Top 661%)
25.2M25.20 mi0.35 mi25136+410699+110699+123603(Top 92%)10208(Top 93%)10208(Top 633%)
Finish26.22 mi1.02 mi25147-1110707-810707-824700(Top 97%)10670(Top 98%)10670(Top 662%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

25354

Females

10798

F40-44

10798

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

25017

Females

10579

F40-44

10579

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

25354

Females

10798

F40-44

10798

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

24904

Females

10540

F40-44

10540

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

25163

Females

10728

F40-44

10728

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

25213

Females

10749

F40-44

10749

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

25142

Females

10760

F40-44

10760

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

23652

Females

10074

F40-44

10074

20M→21M

20.0 - 21.0 mi

Top 95%
×8stories
+106ft-24ft

Overall

24351

Females

10432

F40-44

10432

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

23414

Females

10026

F40-44

10026

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

24642

Females

10593

F40-44

10593

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

24007

Females

10355

F40-44

10355

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

24724

Females

10667

F40-44

10667

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

23603

Females

10208

F40-44

10208

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

24700

Females

10670

F40-44

10670

Passing Analysis

Category:
Athletes Passed
339
Passed By
819
Net Change
-480
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24667
5K → 10K38269-231#24667#24898
10K → 15K12262-250#24898#25148
15K → 20K5726+31#25148#25117
20K → Half419-15#25117#25132
Half → 25K2080-60#25132#25192
25K → 30K3357-24#25192#25216
30K → 20M427+35#25216#25181
20M → 21M1814+4#25181#25177
21M → 35K377+30#25177#25147
35K → 23M21210#25147#25147
23M → 24M248+16#25147#25131
24M → 40K1221-9#25131#25140
40K → 25.2M84+4#25140#25136
25.2M → Finish1324-11#25136#25147
TOTALS339819-480
📊

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