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BOSTON MARATHON 2023

Kerry Lawrence

Bib: 19671•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Masters (Masters Women)
#0 / 6539
Top 32%
Division (F50-54)
#0 / 1207
Top 24%
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
8:31/mi
26:28
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
51:54
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:16:58
↑ 67↓ 78
20K· 12.43 mi
8:27/mi
1:43:14
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:48:46
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
2:08:58
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:35:51
↑ 181↓ 1480.2%
20M
8:43/mi
2:47:42
↑ 64↓ 500.2%
21M
9:28/mi
2:57:10
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
3:03:21
↑ 17↓ 861.7%
23M
8:19/mi
3:13:46
↑ 23↓ 630.6%
24M
7:59/mi
3:21:45
↓ 821.3%
40K· 24.85 mi
8:17/mi
3:28:50
↓ 200.3%
25.2M
9:17/mi
3:32:02
↑ 13↓ 160.2%
Finish· 26.22 mi
8:34/mi
3:40:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:46
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:52:00
Pace8:33 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5726:288:3126:28
8:31
-
10K
6.21 mi11:43:2351:548:2125:26
8:11
-0:20
15K
9.32 mi12:08:271:16:588:1525:04
8:04
-0:07
20K
12.43 mi12:34:431:43:148:1826:16
8:27
+0:23
Half
13.11 mi12:40:151:48:468:185:32
8:07
-0:20
25K
15.53 mi13:00:272:08:588:1820:12
8:20
+0:13
30K
18.64 mi13:27:202:35:518:2226:53
8:39
+0:19
20M
20.00 mi13:39:112:47:428:2311:51
8:43
+0:04
21M
21.00 mi13:48:392:57:108:269:28
9:28
+0:45
35K
21.75 mi13:54:503:03:218:266:11
8:16
-1:12
23M
23.00 mi14:05:153:13:468:2510:25
8:19
+0:03
24M
24.00 mi14:13:143:21:458:247:59
7:59
-0:20
40K
24.85 mi14:20:193:28:508:247:05
8:17
+0:18
25.2M
25.20 mi14:23:313:32:028:253:12
9:17
+1:00
Finish
26.22 mi14:32:153:40:468:268:44
8:34
-0:43

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

7:59 /mi

Average Pace

8:26 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:06

94% of race

Time at Steady Pace

3:12

1% of race

Time at Slower Pace

9:28

4% of race

Average Pace: 8:25 /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 mi11:17:5726:288:3126:28
8:31
#17686
10K
6.21 mi11:43:2351:548:2125:26
8:11
#16879
15K
9.32 mi12:08:271:16:588:1525:04
8:04
#16234
20K
12.43 mi12:34:431:43:148:1826:16
8:27
#16337
Half
13.11 mi12:40:151:48:468:185:32
8:07
#16257
25K
15.53 mi13:00:272:08:588:1820:12
8:20
#16046
30K
18.64 mi13:27:202:35:518:2226:53
8:39
#15876
20M
20.00 mi13:39:112:47:428:2311:51
8:43
#15783
21M
21.00 mi13:48:392:57:108:269:28
9:28
#15771
35K
21.75 mi13:54:503:03:218:266:11
8:16
#15683
23M
23.00 mi14:05:153:13:468:2510:25
8:19
#15462
24M
24.00 mi14:13:143:21:458:247:59
7:59
#15247
40K
24.85 mi14:20:193:28:508:247:05
8:17
#15131
25.2M
25.20 mi14:23:313:32:028:253:12
9:17
#15095
Finish
26.22 mi14:32:153:40:468:268:44
8:34
#15134
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi176866362636214959(Top 56%)4655(Top 41%)4655(Top 386%)
10K6.21 mi3.10 mi16879+8075830+5325830+53216161(Top 61%)5376(Top 47%)5376(Top 445%)
15K9.32 mi3.11 mi16234+6455429+4015429+40114959(Top 56%)4655(Top 41%)4655(Top 386%)
20K12.43 mi3.11 mi16337-1035513-845513-8416572(Top 62%)5687(Top 50%)5687(Top 471%)
Half13.11 mi0.68 mi16257+805462+515462+5115254(Top 57%)4839(Top 42%)4839(Top 401%)
25K15.53 mi2.42 mi16046+2115364+985364+9815157(Top 57%)4944(Top 43%)4944(Top 410%)
30K18.64 mi3.11 mi15876+1705300+645300+6415240(Top 57%)5078(Top 44%)5078(Top 421%)
20M20.00 mi1.36 mi15783+935262+385262+3815000(Top 56%)4989(Top 44%)4989(Top 413%)
21M21.00 mi1.00 mi15771+125283-215283-2115813(Top 59%)5516(Top 48%)5516(Top 457%)
35K21.75 mi0.75 mi15683+885246+375246+3713950(Top 52%)4541(Top 40%)4541(Top 376%)
23M23.00 mi1.25 mi15462+2215139+1075139+10712081(Top 45%)3570(Top 31%)3570(Top 296%)
24M24.00 mi1.00 mi15247+2155007+1325007+13211171(Top 42%)3195(Top 28%)3195(Top 265%)
40K24.85 mi0.85 mi15131+1164955+524955+5211987(Top 45%)3677(Top 32%)3677(Top 305%)
25.2M25.20 mi0.35 mi15095+364941+144941+1414149(Top 53%)4833(Top 42%)4833(Top 400%)
Finish26.22 mi1.02 mi15134-394990-494990-4915836(Top 59%)5715(Top 50%)5715(Top 473%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14959

Females

4655

F50-54

4655

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16161

Females

5376

F50-54

5376

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14959

Females

4655

F50-54

4655

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16572

Females

5687

F50-54

5687

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15254

Females

4839

F50-54

4839

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15157

Females

4944

F50-54

4944

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

15240

Females

5078

F50-54

5078

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15000

Females

4989

F50-54

4989

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15813

Females

5516

F50-54

5516

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13950

Females

4541

F50-54

4541

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12081

Females

3570

F50-54

3570

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11171

Females

3195

F50-54

3195

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11987

Females

3677

F50-54

3677

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14149

Females

4833

F50-54

4833

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15836

Females

5715

F50-54

5715

Passing Analysis

Category:
Athletes Passed
3331
Passed By
779
Net Change
+2552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17686
5K → 10K90396+807#17686#16879
10K → 15K68338+645#16879#16234
15K → 20K136239-103#16234#16337
20K → Half899+80#16337#16257
Half → 25K25948+211#16257#16046
25K → 30K25383+170#16046#15876
30K → 20M13845+93#15876#15783
20M → 21M10593+12#15783#15771
21M → 35K946+88#15771#15683
35K → 23M2254+221#15683#15462
23M → 24M2194+215#15462#15247
24M → 40K12812+116#15247#15131
40K → 25.2M5115+36#15131#15095
25.2M → Finish4887-39#15095#15134
TOTALS3331779+2552
📊

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