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BOSTON MARATHON 2024

Laura Masterson

Bib: 15525•F

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
29:15
Rank: #21488
Start → 5K
29:15 | 9:25/mi
10K· 6.21 mi
1:00:49
Rank: #22293 (-805)
5K → 10K
31:34 | 10:10/mi
15K· 9.32 mi
1:33:53
Rank: #22651 (-358)
10K → 15K
33:04 | 10:39/mi
20K· 12.43 mi
2:09:45
Rank: #22909 (-258)
15K → 20K
35:52 | 11:33/mi
Half· 13.11 mi
2:17:37
Rank: #22992 (-83)
20K → Half
7:52 | 11:32/mi
25K· 15.53 mi
2:50:16
Rank: #23493 (-501)
Half → 25K
32:39 | 13:28/mi
30K· 18.64 mi
3:29:28
Rank: #23391 (+102)
25K → 30K
39:12 | 12:37/mi
20M
3:47:41
Rank: #23380 (+11)
30K → 20M
18:13 | 13:24/mi
21M
4:02:43
Rank: #23383 (-3)
20M → 21M
15:02 | 15:02/mi
35K· 21.75 mi
4:11:25
Rank: #23303 (+80)
21M → 35K
8:42 | 11:38/mi
23M
4:28:22
Rank: #23309 (-6)
35K → 23M
16:57 | 13:32/mi
24M
4:41:14
Rank: #23310 (-1)
23M → 24M
12:52 | 12:52/mi
40K· 24.85 mi
4:53:22
Rank: #23368 (-58)
24M → 40K
12:08 | 14:11/mi
25.2M
4:58:08
Rank: #23352 (+16)
40K → 25.2M
4:46 | 13:49/mi
Finish· 26.22 mi
5:09:52
Rank: #23330 (+22)
25.2M → Finish
11:44 | 11:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:37
Pace10:30 /mi
2nd Half
Distance13.11 mi
Time2:52:15
Pace13:08 /mi
📊Positive Split: 25.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:1129:159:2529:15
9:25
-
10K
6.21 mi11:34:451:00:499:4731:34
10:10
+0:45
15K
9.32 mi12:07:491:33:5310:0433:04
10:39
+0:29
20K
12.43 mi12:43:412:09:4510:2635:52
11:33
+0:54
Half
13.11 mi12:51:332:17:3710:307:52
11:32
-0:01
25K
15.53 mi13:24:122:50:1610:5832:39
13:28
+1:56
30K
18.64 mi14:03:243:29:2811:1439:12
12:37
-0:51
20M
20.00 mi14:21:373:47:4111:2318:13
13:24
+0:47
21M
21.00 mi14:36:394:02:4311:3315:02
15:02
+1:38
35K
21.75 mi14:45:214:11:2511:348:42
11:38
-3:24
23M
23.00 mi15:02:184:28:2211:4016:57
13:32
+1:54
24M
24.00 mi15:15:104:41:1411:4312:52
12:52
-0:40
40K
24.85 mi15:27:184:53:2211:4812:08
14:11
+1:19
25.2M
25.20 mi15:32:044:58:0811:504:46
13:49
-0:22
Finish
26.22 mi15:43:485:09:5211:5011:44
11:31
-2:18

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

9:25 /mi

Average Pace

11:50 /mi

Slowest Pace

15:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:03

51% of race

Time at Steady Pace

52:04

17% of race

Time at Slower Pace

1:39:45

32% of race

Average Pace: 11:49 /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 mi11:03:1129:159:2529:15
9:25
#21488
10K
6.21 mi11:34:451:00:499:4731:34
10:10
#22293
15K
9.32 mi12:07:491:33:5310:0433:04
10:39
#22651
20K
12.43 mi12:43:412:09:4510:2635:52
11:33
#22909
Half
13.11 mi12:51:332:17:3710:307:52
11:32
#22992
25K
15.53 mi13:24:122:50:1610:5832:39
13:28
#23493
30K
18.64 mi14:03:243:29:2811:1439:12
12:37
#23391
20M
20.00 mi14:21:373:47:4111:2318:13
13:24
#23380
21M
21.00 mi14:36:394:02:4311:3315:02
15:02
#23383
35K
21.75 mi14:45:214:11:2511:348:42
11:38
#23303
23M
23.00 mi15:02:184:28:2211:4016:57
13:32
#23309
24M
24.00 mi15:15:104:41:1411:4312:52
12:52
#23310
40K
24.85 mi15:27:184:53:2211:4812:08
14:11
#23368
25.2M
25.20 mi15:32:044:58:0811:504:46
13:49
#23352
Finish
26.22 mi15:43:485:09:5211:5011:44
11:31
#23330
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi214888663866323176(Top 91%)9529(Top 87%)9529(Top 204%)
10K6.21 mi3.10 mi22293-8059056-3939056-39322905(Top 90%)9386(Top 86%)9386(Top 201%)
15K9.32 mi3.11 mi22651-3589219-1639219-16323176(Top 91%)9529(Top 87%)9529(Top 204%)
20K12.43 mi3.11 mi22909-2589362-1439362-14323419(Top 92%)9679(Top 89%)9679(Top 208%)
Half13.11 mi0.68 mi22992-839411-499411-4924143(Top 94%)10123(Top 93%)10123(Top 217%)
25K15.53 mi2.42 mi23493-5019725-3149725-31424576(Top 96%)10394(Top 95%)10394(Top 223%)
30K18.64 mi3.11 mi23391+1029704+219704+2122814(Top 89%)9554(Top 87%)9554(Top 205%)
20M20.00 mi1.36 mi23380+119722-189722-1823371(Top 91%)9942(Top 91%)9942(Top 213%)
21M21.00 mi1.00 mi23383-39730-89730-823597(Top 92%)10079(Top 92%)10079(Top 216%)
35K21.75 mi0.75 mi23303+809698+329698+3221138(Top 83%)8914(Top 82%)8914(Top 191%)
23M23.00 mi1.25 mi23309-69717-199717-1923278(Top 91%)9964(Top 91%)9964(Top 214%)
24M24.00 mi1.00 mi23310-19727-109727-1022872(Top 90%)9838(Top 90%)9838(Top 211%)
40K24.85 mi0.85 mi23368-589765-389765-3823834(Top 93%)10316(Top 94%)10316(Top 221%)
25.2M25.20 mi0.35 mi23352+169757+89757+821326(Top 83%)9158(Top 84%)9158(Top 197%)
Finish26.22 mi1.02 mi23330+229760-39760-322460(Top 88%)9674(Top 89%)9674(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

23176

Females

9529

F18-39

9529

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

22905

Females

9386

F18-39

9386

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

23176

Females

9529

F18-39

9529

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

23419

Females

9679

F18-39

9679

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

24143

Females

10123

F18-39

10123

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

24576

Females

10394

F18-39

10394

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

22814

Females

9554

F18-39

9554

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

23371

Females

9942

F18-39

9942

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

23597

Females

10079

F18-39

10079

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

21138

Females

8914

F18-39

8914

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

23278

Females

9964

F18-39

9964

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

22872

Females

9838

F18-39

9838

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

23834

Females

10316

F18-39

10316

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

21326

Females

9158

F18-39

9158

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

22460

Females

9674

F18-39

9674

Passing Analysis

Category:
Athletes Passed
812
Passed By
2654
Net Change
-1842
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21488
5K → 10K41846-805#21488#22293
10K → 15K77435-358#22293#22651
15K → 20K94352-258#22651#22909
20K → Half1598-83#22909#22992
Half → 25K27528-501#22992#23493
25K → 30K18280+102#23493#23391
30K → 20M7362+11#23391#23380
20M → 21M4346-3#23380#23383
21M → 35K866+80#23383#23303
35K → 23M5056-6#23303#23309
23M → 24M3435-1#23309#23310
24M → 40K1472-58#23310#23368
40K → 25.2M237+16#23368#23352
25.2M → Finish5331+22#23352#23330
TOTALS8122654-1842
📊

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