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BOSTON MARATHON 2024

Cheryl Law

Bib: 17507•F

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
8:44/mi
27:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:47/mi
54:25
↑ 79↓ 1380.4%
15K· 9.32 mi
8:45/mi
1:21:37
↑ 67↓ 78
20K· 12.43 mi
9:11/mi
1:50:08
↑ 106↓ 860.1%
Half· 13.11 mi
9:04/mi
1:56:19
↑ 19↓ 370.5%
25K· 15.53 mi
10:05/mi
2:20:46
↑ 66↓ 880.2%
30K· 18.64 mi
11:37/mi
2:56:53
↑ 181↓ 1480.2%
20M
10:39/mi
3:11:21
↑ 64↓ 500.2%
21M
12:58/mi
3:24:19
↑ 106↓ 241.6%
35K· 21.75 mi
10:27/mi
3:32:08
↑ 17↓ 861.7%
23M
11:23/mi
3:46:23
↑ 23↓ 630.6%
24M
10:02/mi
3:56:25
↓ 821.3%
40K· 24.85 mi
9:47/mi
4:04:47
↓ 200.3%
25.2M
10:21/mi
4:08:21
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
4:16:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:19
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:20:30
Pace10:43 /mi
📊Positive Split: 20.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4327:088:4427:08
8:44
-
10K
6.21 mi11:52:0054:258:4527:17
8:47
+0:03
15K
9.32 mi12:19:121:21:378:4527:12
8:45
-0:02
20K
12.43 mi12:47:431:50:088:5228:31
9:11
+0:26
Half
13.11 mi12:53:541:56:198:526:11
9:04
-0:07
25K
15.53 mi13:18:212:20:469:0424:27
10:05
+1:01
30K
18.64 mi13:54:282:56:539:2936:07
11:37
+1:32
20M
20.00 mi14:08:563:11:219:3414:28
10:39
-0:58
21M
21.00 mi14:21:543:24:199:4412:58
12:58
+2:19
35K
21.75 mi14:29:433:32:089:457:49
10:27
-2:31
23M
23.00 mi14:43:583:46:239:5114:15
11:23
+0:56
24M
24.00 mi14:54:003:56:259:5110:02
10:02
-1:21
40K
24.85 mi15:02:224:04:479:518:22
9:47
-0:15
25.2M
25.20 mi15:05:564:08:219:513:34
10:21
+0:34
Finish
26.22 mi15:14:244:16:499:488:28
8:19
-2:02

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

8:19 /mi

Average Pace

9:48 /mi

Slowest Pace

12:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:47

49% of race

Time at Steady Pace

1:08:42

27% of race

Time at Slower Pace

1:03:20

25% of race

Average Pace: 9:48 /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 mi11:24:4327:088:4427:08
8:44
#18997
10K
6.21 mi11:52:0054:258:4527:17
8:47
#18893
15K
9.32 mi12:19:121:21:378:4527:12
8:45
#18487
20K
12.43 mi12:47:431:50:088:5228:31
9:11
#18317
Half
13.11 mi12:53:541:56:198:526:11
9:04
#18317
25K
15.53 mi13:18:212:20:469:0424:27
10:05
#18586
30K
18.64 mi13:54:282:56:539:2936:07
11:37
#19334
20M
20.00 mi14:08:563:11:219:3414:28
10:39
#19242
21M
21.00 mi14:21:543:24:199:4412:58
12:58
#19343
35K
21.75 mi14:29:433:32:089:457:49
10:27
#19293
23M
23.00 mi14:43:583:46:239:5114:15
11:23
#19272
24M
24.00 mi14:54:003:56:259:5110:02
10:02
#19130
40K
24.85 mi15:02:224:04:479:518:22
9:47
#18928
25.2M
25.20 mi15:05:564:08:219:513:34
10:21
#18832
Finish
26.22 mi15:14:244:16:499:488:28
8:19
#18589
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi189977347734717764(Top 70%)6581(Top 60%)6581(Top 141%)
10K6.21 mi3.10 mi18893+1047276+717276+7118792(Top 74%)7187(Top 66%)7187(Top 154%)
15K9.32 mi3.11 mi18487+4067016+2607016+26017764(Top 70%)6581(Top 60%)6581(Top 141%)
20K12.43 mi3.11 mi18317+1706911+1056911+10518103(Top 71%)6761(Top 62%)6761(Top 145%)
Half13.11 mi0.68 mi183176908+36908+318583(Top 73%)7103(Top 65%)7103(Top 152%)
25K15.53 mi2.42 mi18586-2697087-1797087-17919338(Top 76%)7558(Top 69%)7558(Top 162%)
30K18.64 mi3.11 mi19334-7487555-4687555-46821271(Top 83%)8777(Top 80%)8777(Top 188%)
20M20.00 mi1.36 mi19242+927533+227533+2218423(Top 72%)7417(Top 68%)7417(Top 159%)
21M21.00 mi1.00 mi19343-1017610-777610-7720675(Top 81%)8649(Top 79%)8649(Top 186%)
35K21.75 mi0.75 mi19293+507596+147596+1418453(Top 72%)7562(Top 69%)7562(Top 162%)
23M23.00 mi1.25 mi19272+217603-77603-719367(Top 76%)8065(Top 74%)8065(Top 173%)
24M24.00 mi1.00 mi19130+1427546+577546+5716459(Top 64%)6674(Top 61%)6674(Top 143%)
40K24.85 mi0.85 mi18928+2027467+797467+7914241(Top 56%)5650(Top 52%)5650(Top 121%)
25.2M25.20 mi0.35 mi18832+967420+477420+4712334(Top 48%)4795(Top 44%)4795(Top 103%)
Finish26.22 mi1.02 mi18589+2437329+917329+9110444(Top 41%)3733(Top 34%)3733(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

17764

Females

6581

F18-39

6581

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

18792

Females

7187

F18-39

7187

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

17764

Females

6581

F18-39

6581

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18103

Females

6761

F18-39

6761

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

18583

Females

7103

F18-39

7103

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

19338

Females

7558

F18-39

7558

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

21271

Females

8777

F18-39

8777

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

18423

Females

7417

F18-39

7417

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

20675

Females

8649

F18-39

8649

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

18453

Females

7562

F18-39

7562

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

19367

Females

8065

F18-39

8065

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

16459

Females

6674

F18-39

6674

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14241

Females

5650

F18-39

5650

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12334

Females

4795

F18-39

4795

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10444

Females

3733

F18-39

3733

Passing Analysis

Category:
Athletes Passed
2407
Passed By
1999
Net Change
+408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18997
5K → 10K325221+104#18997#18893
10K → 15K45953+406#18893#18487
15K → 20K327157+170#18487#18317
20K → Half42420#18317#18317
Half → 25K133402-269#18317#18586
25K → 30K53801-748#18586#19334
30K → 20M13745+92#19334#19242
20M → 21M52153-101#19242#19343
21M → 35K8131+50#19343#19293
35K → 23M10281+21#19293#19272
23M → 24M1519+142#19272#19130
24M → 40K2042+202#19130#18928
40K → 25.2M982+96#18928#18832
25.2M → Finish2430+243#18832#18589
TOTALS24071999+408
📊

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