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BOSTON MARATHON 2024

Sarah Jackson

Bib: 24904•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
28:21
Rank: #20560
Start → 5K
28:21 | 9:07/mi
10K· 6.21 mi
55:56
Rank: #19917 (+643)
5K → 10K
27:35 | 8:53/mi
15K· 9.32 mi
1:23:46
Rank: #19510 (+407)
10K → 15K
27:50 | 8:58/mi
20K· 12.43 mi
1:53:39
Rank: #19540 (-30)
15K → 20K
29:53 | 9:37/mi
Half· 13.11 mi
1:59:52
Rank: #19514 (+26)
20K → Half
6:13 | 9:07/mi
25K· 15.53 mi
2:24:56
Rank: #19621 (-107)
Half → 25K
25:04 | 10:20/mi
30K· 18.64 mi
2:58:44
Rank: #19636 (-15)
25K → 30K
33:48 | 10:53/mi
20M
3:14:43
Rank: #19742 (-106)
30K → 20M
15:59 | 11:46/mi
21M
3:27:07
Rank: #19713 (+29)
20M → 21M
12:24 | 12:24/mi
35K· 21.75 mi
3:36:11
Rank: #19819 (-106)
21M → 35K
9:04 | 12:07/mi
23M
3:51:24
Rank: #19900 (-81)
35K → 23M
15:13 | 12:09/mi
24M
4:02:56
Rank: #19925 (-25)
23M → 24M
11:32 | 11:32/mi
40K· 24.85 mi
4:13:05
Rank: #19934 (-9)
24M → 40K
10:09 | 11:52/mi
25.2M
4:17:48
Rank: #19952 (-18)
40K → 25.2M
4:43 | 13:41/mi
Finish· 26.22 mi
4:28:11
Rank: #19906 (+46)
25.2M → Finish
10:23 | 10:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:52
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:28:19
Pace11:19 /mi
📊Positive Split: 23.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:2028:219:0728:21
9:07
-
10K
6.21 mi12:11:5555:569:0027:35
8:53
-0:14
15K
9.32 mi12:39:451:23:468:5927:50
8:58
+0:05
20K
12.43 mi13:09:381:53:399:0929:53
9:37
+0:39
Half
13.11 mi13:15:511:59:529:096:13
9:07
-0:30
25K
15.53 mi13:40:552:24:569:2025:04
10:20
+1:13
30K
18.64 mi14:14:432:58:449:3533:48
10:53
+0:33
20M
20.00 mi14:30:423:14:439:4415:59
11:46
+0:53
21M
21.00 mi14:43:063:27:079:5212:24
12:24
+0:38
35K
21.75 mi14:52:103:36:119:569:04
12:07
-0:17
23M
23.00 mi15:07:233:51:2410:0415:13
12:09
+0:02
24M
24.00 mi15:18:554:02:5610:0711:32
11:32
-0:37
40K
24.85 mi15:29:044:13:0510:1110:09
11:52
+0:20
25.2M
25.20 mi15:33:474:17:4810:144:43
13:41
+1:49
Finish
26.22 mi15:44:104:28:1110:1410:23
10:11
-3:30

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

8:53 /mi

Average Pace

10:14 /mi

Slowest Pace

13:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:52

45% of race

Time at Steady Pace

1:20:47

30% of race

Time at Slower Pace

1:07:32

25% of race

Average Pace: 10:14 /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 mi11:44:2028:219:0728:21
9:07
#20560
10K
6.21 mi12:11:5555:569:0027:35
8:53
#19917
15K
9.32 mi12:39:451:23:468:5927:50
8:58
#19510
20K
12.43 mi13:09:381:53:399:0929:53
9:37
#19540
Half
13.11 mi13:15:511:59:529:096:13
9:07
#19514
25K
15.53 mi13:40:552:24:569:2025:04
10:20
#19621
30K
18.64 mi14:14:432:58:449:3533:48
10:53
#19636
20M
20.00 mi14:30:423:14:439:4415:59
11:46
#19742
21M
21.00 mi14:43:063:27:079:5212:24
12:24
#19713
35K
21.75 mi14:52:103:36:119:569:04
12:07
#19819
23M
23.00 mi15:07:233:51:2410:0415:13
12:09
#19900
24M
24.00 mi15:18:554:02:5610:0711:32
11:32
#19925
40K
24.85 mi15:29:044:13:0510:1110:09
11:52
#19934
25.2M
25.20 mi15:33:474:17:4810:144:43
13:41
#19952
Finish
26.22 mi15:44:104:28:1110:1410:23
10:11
#19906
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi205608176817618723(Top 73%)7091(Top 65%)7091(Top 152%)
10K6.21 mi3.10 mi19917+6437819+3577819+35719232(Top 75%)7422(Top 68%)7422(Top 159%)
15K9.32 mi3.11 mi19510+4077580+2397580+23918723(Top 73%)7091(Top 65%)7091(Top 152%)
20K12.43 mi3.11 mi19540-307584-47584-419563(Top 77%)7569(Top 69%)7569(Top 162%)
Half13.11 mi0.68 mi19514+267576+87576+818787(Top 74%)7221(Top 66%)7221(Top 155%)
25K15.53 mi2.42 mi19621-1077644-687644-6820009(Top 78%)7929(Top 73%)7929(Top 170%)
30K18.64 mi3.11 mi19636-157708-647708-6419708(Top 77%)7958(Top 73%)7958(Top 171%)
20M20.00 mi1.36 mi19742-1067785-777785-7720919(Top 82%)8698(Top 80%)8698(Top 187%)
21M21.00 mi1.00 mi19713+297797-127797-1219659(Top 77%)8154(Top 75%)8154(Top 175%)
35K21.75 mi0.75 mi19819-1067869-727869-7222017(Top 86%)9359(Top 86%)9359(Top 201%)
23M23.00 mi1.25 mi19900-817931-627931-6221069(Top 82%)8915(Top 82%)8915(Top 191%)
24M24.00 mi1.00 mi19925-257962-317962-3120502(Top 80%)8680(Top 79%)8680(Top 186%)
40K24.85 mi0.85 mi19934-97990-287990-2820192(Top 79%)8622(Top 79%)8622(Top 185%)
25.2M25.20 mi0.35 mi19952-188007-178007-1721066(Top 82%)9017(Top 83%)9017(Top 193%)
Finish26.22 mi1.02 mi19906+468000+78000+719063(Top 75%)8000(Top 73%)8000(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

18723

Females

7091

F18-39

7091

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

19232

Females

7422

F18-39

7422

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

18723

Females

7091

F18-39

7091

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

19563

Females

7569

F18-39

7569

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

18787

Females

7221

F18-39

7221

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20009

Females

7929

F18-39

7929

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

19708

Females

7958

F18-39

7958

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

20919

Females

8698

F18-39

8698

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

19659

Females

8154

F18-39

8154

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22017

Females

9359

F18-39

9359

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21069

Females

8915

F18-39

8915

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

20502

Females

8680

F18-39

8680

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20192

Females

8622

F18-39

8622

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21066

Females

9017

F18-39

9017

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19063

Females

8000

F18-39

8000

Passing Analysis

Category:
Athletes Passed
2259
Passed By
1605
Net Change
+654
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20560
5K → 10K70562+643#20560#19917
10K → 15K46861+407#19917#19510
15K → 20K230260-30#19510#19540
20K → Half4923+26#19540#19514
Half → 25K152259-107#19514#19621
25K → 30K184199-15#19621#19636
30K → 20M56162-106#19636#19742
20M → 21M9162+29#19742#19713
21M → 35K37143-106#19713#19819
35K → 23M67148-81#19819#19900
23M → 24M5681-25#19900#19925
24M → 40K5766-9#19925#19934
40K → 25.2M2846-18#19934#19952
25.2M → Finish7933+46#19952#19906
TOTALS22591605+654
📊

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