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BOSTON MARATHON 2023

Jessica Hadley

Bib: 14753•F

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Division (F18-39)
#0 / 4884
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:42/mi
23:56
↑ 97↓ 3451.5%
10K· 6.21 mi
7:36/mi
47:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:11:32
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:35:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:41:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:00:25
↑ 66↓ 880.2%
30K· 18.64 mi
8:03/mi
2:25:25
↑ 181↓ 1480.2%
20M
8:26/mi
2:36:53
↑ 64↓ 500.2%
21M
8:59/mi
2:45:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:51:49
↑ 17↓ 861.7%
23M
8:22/mi
3:02:17
↑ 23↓ 630.6%
24M
8:11/mi
3:10:28
↓ 821.3%
40K· 24.85 mi
8:14/mi
3:17:30
↓ 200.3%
25.2M
8:56/mi
3:20:35
↑ 13↓ 160.2%
Finish· 26.22 mi
8:00/mi
3:28:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:12
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:47:32
Pace8:12 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4523:567:4223:56
7:42
-
10K
6.21 mi11:16:2147:327:3923:36
7:36
-0:06
15K
9.32 mi11:40:211:11:327:4024:00
7:43
+0:07
20K
12.43 mi12:04:471:35:587:4324:26
7:52
+0:09
Half
13.11 mi12:10:011:41:127:435:14
7:40
-0:12
25K
15.53 mi12:29:142:00:257:4519:13
7:56
+0:16
30K
18.64 mi12:54:142:25:257:4825:00
8:03
+0:07
20M
20.00 mi13:05:422:36:537:5111:28
8:26
+0:23
21M
21.00 mi13:14:412:45:527:548:59
8:59
+0:33
35K
21.75 mi13:20:382:51:497:545:57
7:57
-1:02
23M
23.00 mi13:31:063:02:177:5610:28
8:22
+0:25
24M
24.00 mi13:39:173:10:287:568:11
8:11
-0:11
40K
24.85 mi13:46:193:17:307:577:02
8:14
+0:03
25.2M
25.20 mi13:49:243:20:357:583:05
8:56
+0:42
Finish
26.22 mi13:57:333:28:447:588:09
8:00
-0:56

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

7:36 /mi

Average Pace

7:58 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:44

84% of race

Time at Steady Pace

25:01

12% of race

Time at Slower Pace

8:59

4% of race

Average Pace: 7:58 /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 mi10:52:4523:567:4223:56
7:42
#11498
10K
6.21 mi11:16:2147:327:3923:36
7:36
#11354
15K
9.32 mi11:40:211:11:327:4024:00
7:43
#11574
20K
12.43 mi12:04:471:35:587:4324:26
7:52
#11715
Half
13.11 mi12:10:011:41:127:435:14
7:40
#11712
25K
15.53 mi12:29:142:00:257:4519:13
7:56
#11744
30K
18.64 mi12:54:142:25:257:4825:00
8:03
#11617
20M
20.00 mi13:05:422:36:537:5111:28
8:26
#11747
21M
21.00 mi13:14:412:45:527:548:59
8:59
#11850
35K
21.75 mi13:20:382:51:497:545:57
7:57
#11856
23M
23.00 mi13:31:063:02:177:5610:28
8:22
#11854
24M
24.00 mi13:39:173:10:287:568:11
8:11
#11884
40K
24.85 mi13:46:193:17:307:577:02
8:14
#11854
25.2M
25.20 mi13:49:243:20:357:583:05
8:56
#11858
Finish
26.22 mi13:57:333:28:447:588:09
8:00
#11871
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi114982594259412064(Top 45%)2932(Top 26%)2932(Top 60%)
10K6.21 mi3.10 mi11354+1442523+712523+7111314(Top 42%)2504(Top 22%)2504(Top 51%)
15K9.32 mi3.11 mi11574-2202647-1242647-12412064(Top 45%)2932(Top 26%)2932(Top 60%)
20K12.43 mi3.11 mi11715-1412751-1042751-10412296(Top 46%)3133(Top 27%)3133(Top 64%)
Half13.11 mi0.68 mi11712+32745+62745+611711(Top 44%)2755(Top 24%)2755(Top 56%)
25K15.53 mi2.42 mi11744-322785-402785-4012118(Top 46%)3145(Top 28%)3145(Top 64%)
30K18.64 mi3.11 mi11617+1272761+242761+2411282(Top 42%)2782(Top 24%)2782(Top 57%)
20M20.00 mi1.36 mi11747-1302851-902851-9013255(Top 50%)3987(Top 35%)3987(Top 82%)
21M21.00 mi1.00 mi11850-1032932-812932-8113323(Top 50%)4110(Top 36%)4110(Top 84%)
35K21.75 mi0.75 mi11856-62948-162948-1611811(Top 44%)3318(Top 29%)3318(Top 68%)
23M23.00 mi1.25 mi11854+22962-142962-1412317(Top 46%)3695(Top 32%)3695(Top 76%)
24M24.00 mi1.00 mi11884-303004-423004-4212492(Top 47%)3847(Top 34%)3847(Top 79%)
40K24.85 mi0.85 mi11854+303009-53009-511563(Top 43%)3441(Top 30%)3441(Top 70%)
25.2M25.20 mi0.35 mi11858-43021-123021-1212211(Top 46%)3824(Top 33%)3824(Top 78%)
Finish26.22 mi1.02 mi11871-133050-293050-2912141(Top 46%)3770(Top 33%)3770(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12064

Females

2932

F18-39

2932

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11314

Females

2504

F18-39

2504

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12064

Females

2932

F18-39

2932

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12296

Females

3133

F18-39

3133

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11711

Females

2755

F18-39

2755

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12118

Females

3145

F18-39

3145

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11282

Females

2782

F18-39

2782

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

13255

Females

3987

F18-39

3987

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13323

Females

4110

F18-39

4110

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11811

Females

3318

F18-39

3318

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12317

Females

3695

F18-39

3695

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12492

Females

3847

F18-39

3847

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11563

Females

3441

F18-39

3441

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12211

Females

3824

F18-39

3824

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12141

Females

3770

F18-39

3770

Passing Analysis

Category:
Athletes Passed
1485
Passed By
1858
Net Change
-373
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11498
5K → 10K370226+144#11498#11354
10K → 15K110330-220#11354#11574
15K → 20K112253-141#11574#11715
20K → Half2926+3#11715#11712
Half → 25K133165-32#11712#11744
25K → 30K238111+127#11744#11617
30K → 20M69199-130#11617#11747
20M → 21M55158-103#11747#11850
21M → 35K4652-6#11850#11856
35K → 23M9391+2#11856#11854
23M → 24M5686-30#11854#11884
24M → 40K7949+30#11884#11854
40K → 25.2M2630-4#11854#11858
25.2M → Finish6982-13#11858#11871
TOTALS14851858-373
📊

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