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BOSTON MARATHON 2024

Sarah Heacock

NJ

Bib: 12806 F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 24%
Gender (Female)
#0 / 10924
Top 9%
Division (F18-39)
#0 / 4660
Top 18%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:23/mi
22:55
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:21/mi
45:45
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:20/mi
1:08:31
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:19/mi
1:31:14
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:21/mi
1:36:15
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:22/mi
1:54:06
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:31/mi
2:17:27
↑ 181↓ 1480.2%
138 ft elev
20M
7:38/mi
2:27:49
↑ 64↓ 500.2%
148 ft elev
21M
8:06/mi
2:35:55
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:16/mi
2:41:21
↑ 17↓ 861.7%
156 ft elev
23M
8:04/mi
2:51:27
↑ 23↓ 630.6%
116 ft elev
24M
8:03/mi
2:59:29
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:03/mi
3:06:22
↓ 200.3%
20 ft elev
25.2M
9:02/mi
3:09:29
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:45/mi
3:17:23
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:15
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:41:08
Pace7:43 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0622:557:2322:55
7:23
-
10K
6.21 mi11:14:5645:457:2222:50
7:21
-0:02
15K
9.32 mi11:37:421:08:317:2122:46
7:20
-0:01
20K
12.43 mi12:00:251:31:147:2022:43
7:19
-0:01
Half
13.11 mi12:05:261:36:157:215:01
7:21
+0:02
25K
15.53 mi12:23:171:54:067:2117:51
7:22
+0:01
30K
18.64 mi12:46:382:17:277:2223:21
7:31
+0:09
20M
20.00 mi12:57:002:27:497:2310:22
7:38
+0:07
21M
21.00 mi13:05:062:35:557:258:06
8:06
+0:28
35K
21.75 mi13:10:322:41:217:255:26
7:16
-0:50
23M
23.00 mi13:20:382:51:277:2710:06
8:04
+0:48
24M
24.00 mi13:28:402:59:297:298:02
8:03
-0:01
40K
24.85 mi13:35:333:06:227:306:53
8:03
0:00
25.2M
25.20 mi13:38:403:09:297:313:07
9:02
+0:59
Finish
26.22 mi13:46:343:17:237:327:54
7:45
-1:17

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

7:16 /mi

Average Pace

7:32 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:26

3% of race

Time at Steady Pace

2:35:43

79% of race

Time at Slower Pace

36:14

18% of race

Average Pace: 7:32 /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 mi10:52:0622:557:2322:55
7:23
#9775
10K
6.21 mi11:14:5645:457:2222:50
7:21
#9368
15K
9.32 mi11:37:421:08:317:2122:46
7:20
#8996
20K
12.43 mi12:00:251:31:147:2022:43
7:19
#8430
Half
13.11 mi12:05:261:36:157:215:01
7:21
#8407
25K
15.53 mi12:23:171:54:067:2117:51
7:22
#7942
30K
18.64 mi12:46:382:17:277:2223:21
7:31
#7279
20M
20.00 mi12:57:002:27:497:2310:22
7:38
#7011
21M
21.00 mi13:05:062:35:557:258:06
8:06
#6720
35K
21.75 mi13:10:322:41:217:255:26
7:16
#6543
23M
23.00 mi13:20:382:51:277:2710:06
8:04
#6411
24M
24.00 mi13:28:402:59:297:298:02
8:03
#6358
40K
24.85 mi13:35:333:06:227:306:53
8:03
#6269
25.2M
25.20 mi13:38:403:09:297:313:07
9:02
#6260
Finish
26.22 mi13:46:343:17:237:327:54
7:45
#6236
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi977519281928836814141414
10K6.21 mi3.10 mi9368+4071766+1621766+162906816791679
15K9.32 mi3.11 mi8996+3721636+1301636+130836814141414
20K12.43 mi3.11 mi8430+5661424+2121424+212708010291029
Half13.11 mi0.68 mi8407+231421+31421+3812514301430
25K15.53 mi2.42 mi7942+4651268+1531268+1536207887887
30K18.64 mi3.11 mi7279+6631084+1841084+1845183693693
20M20.00 mi1.36 mi7011+2681029+551029+554898713713
21M21.00 mi1.00 mi6720+291985+44985+444563738738
35K21.75 mi0.75 mi6543+177953+32953+324062559559
23M23.00 mi1.25 mi6411+132948+5948+5612315131513
24M24.00 mi1.00 mi6358+53970-22970-22686119481948
40K24.85 mi0.85 mi6269+89975-5975-5600416641664
25.2M25.20 mi0.35 mi6260+9988-13988-13682221142114
Finish26.22 mi1.02 mi6236+241022-341022-34711221792179

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8368

Females

1414

F18-39

1414

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9068

Females

1679

F18-39

1679

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8368

Females

1414

F18-39

1414

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7080

Females

1029

F18-39

1029

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8125

Females

1430

F18-39

1430

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6207

Females

887

F18-39

887

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5183

Females

693

F18-39

693

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

4898

Females

713

F18-39

713

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4563

Females

738

F18-39

738

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4062

Females

559

F18-39

559

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6123

Females

1513

F18-39

1513

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

6861

Females

1948

F18-39

1948

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6004

Females

1664

F18-39

1664

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

6822

Females

2114

F18-39

2114

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7112

Females

2179

F18-39

2179

Passing Analysis

Category:
Athletes Passed
3939
Passed By
400
Net Change
+3539
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9775
5K → 10K48881+407#9775#9368
10K → 15K40634+372#9368#8996
15K → 20K5748+566#8996#8430
20K → Half4421+23#8430#8407
Half → 25K4749+465#8407#7942
25K → 30K6707+663#7942#7279
30K → 20M27911+268#7279#7011
20M → 21M3009+291#7011#6720
21M → 35K1792+177#6720#6543
35K → 23M17240+132#6543#6411
23M → 24M10653+53#6411#6358
24M → 40K12637+89#6358#6269
40K → 25.2M3425+9#6269#6260
25.2M → Finish8763+24#6260#6236
TOTALS3939400+3539

Passing Charts

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