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BOSTON MARATHON 2024

Jessica Li

Bib: 14623•F

ON

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 34%
Gender (Female)
#0 / 10924
Top 19%
Division (F18-39)
#0 / 4660
Top 34%
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
7:29/mi
23:15
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
47:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:11:31
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:36:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:41:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
2:00:11
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:25:27
↑ 181↓ 1480.2%
20M
8:19/mi
2:36:45
↑ 64↓ 500.2%
21M
8:58/mi
2:45:43
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:51:36
↑ 17↓ 861.7%
23M
8:08/mi
3:01:47
↑ 23↓ 630.6%
24M
7:47/mi
3:09:34
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:16:30
↓ 200.3%
25.2M
8:54/mi
3:19:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:27:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:16
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:46:05
Pace8:06 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2523:157:2923:15
7:29
-
10K
6.21 mi11:18:2347:137:3623:58
7:43
+0:14
15K
9.32 mi11:42:411:11:317:4024:18
7:49
+0:06
20K
12.43 mi12:07:191:36:097:4424:38
7:56
+0:07
Half
13.11 mi12:12:261:41:167:435:07
7:30
-0:26
25K
15.53 mi12:31:212:00:117:4418:55
7:48
+0:18
30K
18.64 mi12:56:372:25:277:4825:16
8:08
+0:20
20M
20.00 mi13:07:552:36:457:5011:18
8:19
+0:11
21M
21.00 mi13:16:532:45:437:538:58
8:58
+0:39
35K
21.75 mi13:22:462:51:367:535:53
7:52
-1:06
23M
23.00 mi13:32:573:01:477:5410:11
8:08
+0:16
24M
24.00 mi13:40:443:09:347:547:47
7:47
-0:21
40K
24.85 mi13:47:403:16:307:546:56
8:07
+0:20
25.2M
25.20 mi13:50:443:19:347:553:04
8:54
+0:47
Finish
26.22 mi13:58:313:27:217:557:47
7:38
-1:16

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

7:29 /mi

Average Pace

7:55 /mi

Slowest Pace

8:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:01

89% of race

Time at Steady Pace

11:18

5% of race

Time at Slower Pace

12:02

6% of race

Average Pace: 7:54 /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 mi10:54:2523:157:2923:15
7:29
#10625
10K
6.21 mi11:18:2347:137:3623:58
7:43
#11274
15K
9.32 mi11:42:411:11:317:4024:18
7:49
#11511
20K
12.43 mi12:07:191:36:097:4424:38
7:56
#11445
Half
13.11 mi12:12:261:41:167:435:07
7:30
#11323
25K
15.53 mi12:31:212:00:117:4418:55
7:48
#10815
30K
18.64 mi12:56:372:25:277:4825:16
8:08
#10263
20M
20.00 mi13:07:552:36:457:5011:18
8:19
#10043
21M
21.00 mi13:16:532:45:437:538:58
8:58
#9872
35K
21.75 mi13:22:462:51:367:535:53
7:52
#9738
23M
23.00 mi13:32:573:01:477:5410:11
8:08
#9430
24M
24.00 mi13:40:443:09:347:547:47
7:47
#9195
40K
24.85 mi13:47:403:16:307:546:56
8:07
#9036
25.2M
25.20 mi13:50:443:19:347:553:04
8:54
#8951
Finish
26.22 mi13:58:313:27:217:557:47
7:38
#8802
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106252356235612096(Top 47%)3294(Top 30%)3294(Top 71%)
10K6.21 mi3.10 mi11274-6492754-3982754-39811977(Top 47%)3179(Top 29%)3179(Top 68%)
15K9.32 mi3.11 mi11511-2372919-1652919-16512096(Top 47%)3294(Top 30%)3294(Top 71%)
20K12.43 mi3.11 mi11445+662907+122907+1211311(Top 44%)2960(Top 27%)2960(Top 64%)
Half13.11 mi0.68 mi11323+1222849+582849+589180(Top 36%)1912(Top 18%)1912(Top 41%)
25K15.53 mi2.42 mi10815+5082637+2122637+2128948(Top 35%)1981(Top 18%)1981(Top 43%)
30K18.64 mi3.11 mi10263+5522456+1812456+1818637(Top 34%)2037(Top 19%)2037(Top 44%)
20M20.00 mi1.36 mi10043+2202403+532403+538476(Top 33%)2219(Top 20%)2219(Top 48%)
21M21.00 mi1.00 mi9872+1712362+412362+418448(Top 33%)2410(Top 22%)2410(Top 52%)
35K21.75 mi0.75 mi9738+1342337+252337+257000(Top 27%)1756(Top 16%)1756(Top 38%)
23M23.00 mi1.25 mi9430+3082252+852252+856455(Top 25%)1664(Top 15%)1664(Top 36%)
24M24.00 mi1.00 mi9195+2352177+752177+755500(Top 22%)1313(Top 12%)1313(Top 28%)
40K24.85 mi0.85 mi9036+1592146+312146+316344(Top 25%)1810(Top 17%)1810(Top 39%)
25.2M25.20 mi0.35 mi8951+852126+202126+206118(Top 24%)1774(Top 16%)1774(Top 38%)
Finish26.22 mi1.02 mi8802+1492089+372089+376405(Top 25%)1834(Top 17%)1834(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12096

Females

3294

F18-39

3294

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

11977

Females

3179

F18-39

3179

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12096

Females

3294

F18-39

3294

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11311

Females

2960

F18-39

2960

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9180

Females

1912

F18-39

1912

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

8948

Females

1981

F18-39

1981

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8637

Females

2037

F18-39

2037

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8476

Females

2219

F18-39

2219

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8448

Females

2410

F18-39

2410

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7000

Females

1756

F18-39

1756

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6455

Females

1664

F18-39

1664

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5500

Females

1313

F18-39

1313

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6344

Females

1810

F18-39

1810

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6118

Females

1774

F18-39

1774

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6405

Females

1834

F18-39

1834

Passing Analysis

Category:
Athletes Passed
3403
Passed By
1579
Net Change
+1823
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10625
5K → 10K103752-649#10625#11274
10K → 15K139376-237#11274#11511
15K → 20K268202+66#11511#11445
20K → Half1253+122#11445#11323
Half → 25K52618+508#11323#10815
25K → 30K59947+552#10815#10263
30K → 20M25837+220#10263#10043
20M → 21M22049+171#10043#9872
21M → 35K15218+134#9872#9738
35K → 23M33022+308#9738#9430
23M → 24M2416+235#9430#9195
24M → 40K18122+159#9195#9036
40K → 25.2M916+85#9036#8951
25.2M → Finish17021+149#8951#8802
TOTALS34031579+1823
📊

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