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BOSTON MARATHON 2024

Jessica Isaac

Bib: 16847•F

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0:00
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Overall
#0 / 25550
Top 29%
Gender (Female)
#0 / 10924
Top 13%
Division (F18-39)
#0 / 4660
Top 24%
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
7:38/mi
23:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
46:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:25/mi
1:09:34
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:33:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:38:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:41/mi
1:56:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:22:13
↑ 181↓ 1480.2%
20M
7:57/mi
2:33:01
↑ 64↓ 500.2%
21M
8:29/mi
2:41:30
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:47:21
↑ 17↓ 861.7%
23M
7:56/mi
2:57:17
↑ 23↓ 630.6%
24M
7:41/mi
3:04:58
↓ 821.3%
40K· 24.85 mi
7:38/mi
3:11:30
↓ 200.3%
25.2M
8:22/mi
3:14:23
↑ 13↓ 160.2%
Finish· 26.22 mi
7:11/mi
3:21:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:14
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:43:28
Pace7:54 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5423:427:3823:42
7:38
-
10K
6.21 mi11:36:4546:337:2922:51
7:21
-0:17
15K
9.32 mi11:59:461:09:347:2823:01
7:25
+0:04
20K
12.43 mi12:23:211:33:097:3023:35
7:35
+0:10
Half
13.11 mi12:28:261:38:147:305:05
7:27
-0:08
25K
15.53 mi12:47:031:56:517:3118:37
7:41
+0:14
30K
18.64 mi13:12:252:22:137:3825:22
8:10
+0:29
20M
20.00 mi13:23:132:33:017:3910:48
7:57
-0:13
21M
21.00 mi13:31:422:41:307:418:29
8:29
+0:32
35K
21.75 mi13:37:332:47:217:425:51
7:49
-0:40
23M
23.00 mi13:47:292:57:177:429:56
7:56
+0:07
24M
24.00 mi13:55:103:04:587:427:41
7:41
-0:15
40K
24.85 mi14:01:423:11:307:426:32
7:38
-0:03
25.2M
25.20 mi14:04:353:14:237:432:53
8:22
+0:44
Finish
26.22 mi14:11:543:21:427:427:19
7:11
-1:11

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

7:11 /mi

Average Pace

7:42 /mi

Slowest Pace

8:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:14

72% of race

Time at Steady Pace

48:59

24% of race

Time at Slower Pace

8:29

4% of race

Average Pace: 7:42 /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 mi11:13:5423:427:3823:42
7:38
#11768
10K
6.21 mi11:36:4546:337:2922:51
7:21
#10405
15K
9.32 mi11:59:461:09:347:2823:01
7:25
#9859
20K
12.43 mi12:23:211:33:097:3023:35
7:35
#9600
Half
13.11 mi12:28:261:38:147:305:05
7:27
#9543
25K
15.53 mi12:47:031:56:517:3118:37
7:41
#9244
30K
18.64 mi13:12:252:22:137:3825:22
8:10
#9068
20M
20.00 mi13:23:132:33:017:3910:48
7:57
#8766
21M
21.00 mi13:31:422:41:307:418:29
8:29
#8525
35K
21.75 mi13:37:332:47:217:425:51
7:49
#8393
23M
23.00 mi13:47:292:57:177:429:56
7:56
#8100
24M
24.00 mi13:55:103:04:587:427:41
7:41
#7883
40K
24.85 mi14:01:423:11:307:426:32
7:38
#7650
25.2M
25.20 mi14:04:353:14:237:432:53
8:22
#7537
Finish
26.22 mi14:11:543:21:427:427:19
7:11
#7307
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11768299329938957(Top 35%)1677(Top 15%)1677(Top 36%)
10K6.21 mi3.10 mi10405+13632266+7272266+7279102(Top 36%)1687(Top 15%)1687(Top 36%)
15K9.32 mi3.11 mi9859+5462021+2452021+2458957(Top 35%)1677(Top 15%)1677(Top 36%)
20K12.43 mi3.11 mi9600+2591945+761945+769021(Top 35%)1813(Top 17%)1813(Top 39%)
Half13.11 mi0.68 mi9543+571925+201925+208781(Top 34%)1702(Top 16%)1702(Top 37%)
25K15.53 mi2.42 mi9244+2991823+1021823+1028154(Top 32%)1621(Top 15%)1621(Top 35%)
30K18.64 mi3.11 mi9068+1761845-221845-228815(Top 35%)2123(Top 19%)2123(Top 46%)
20M20.00 mi1.36 mi8766+3021771+741771+746481(Top 25%)1324(Top 12%)1324(Top 28%)
21M21.00 mi1.00 mi8525+2411711+601711+606156(Top 24%)1368(Top 13%)1368(Top 29%)
35K21.75 mi0.75 mi8393+1321687+241687+246730(Top 26%)1621(Top 15%)1621(Top 35%)
23M23.00 mi1.25 mi8100+2931619+681619+685444(Top 21%)1203(Top 11%)1203(Top 26%)
24M24.00 mi1.00 mi7883+2171563+561563+564980(Top 19%)1083(Top 10%)1083(Top 23%)
40K24.85 mi0.85 mi7650+2331514+491514+494109(Top 16%)830(Top 8%)830(Top 18%)
25.2M25.20 mi0.35 mi7537+1131490+241490+243987(Top 16%)829(Top 8%)829(Top 18%)
Finish26.22 mi1.02 mi7307+2301432+581432+583951(Top 15%)772(Top 7%)772(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

8957

Females

1677

F18-39

1677

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9102

Females

1687

F18-39

1687

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

8957

Females

1677

F18-39

1677

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9021

Females

1813

F18-39

1813

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8781

Females

1702

F18-39

1702

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8154

Females

1621

F18-39

1621

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

8815

Females

2123

F18-39

2123

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6481

Females

1324

F18-39

1324

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6156

Females

1368

F18-39

1368

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6730

Females

1621

F18-39

1621

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5444

Females

1203

F18-39

1203

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

4980

Females

1083

F18-39

1083

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4109

Females

830

F18-39

830

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

3987

Females

829

F18-39

829

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

3951

Females

772

F18-39

772

Passing Analysis

Category:
Athletes Passed
4883*
Passed By
422
Net Change
+4461
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11768
5K → 10K137411+1363#11768#10405
10K → 15K558*12+546#10405#9859
15K → 20K35192+259#9859#9600
20K → Half6811+57#9600#9543
Half → 25K35152+299#9543#9244
25K → 30K353177+176#9244#9068
30K → 20M31210+302#9068#8766
20M → 21M25514+241#8766#8525
21M → 35K14311+132#8525#8393
35K → 23M30411+293#8393#8100
23M → 24M22811+217#8100#7883
24M → 40K2363+233#7883#7650
40K → 25.2M1152+113#7650#7537
25.2M → Finish2355+230#7537#7307
TOTALS4883*422+4461

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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