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BOSTON MARATHON 2023

Carolyn Mckinnon

Bib: 22187•F

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 44%
Division (F55-59)
#0 / 815
Top 20%
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
8:18/mi
25:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
51:55
↑ 79↓ 1380.4%
15K· 9.32 mi
8:47/mi
1:19:13
↑ 67↓ 78
20K· 12.43 mi
8:34/mi
1:45:51
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:51:35
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:12:13
↑ 66↓ 880.2%
30K· 18.64 mi
8:52/mi
2:39:47
↑ 181↓ 1480.2%
20M
8:34/mi
2:51:26
↑ 64↓ 500.2%
21M
9:35/mi
3:01:01
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
3:07:19
↑ 17↓ 861.7%
23M
8:59/mi
3:18:34
↑ 23↓ 630.6%
24M
8:59/mi
3:27:33
↓ 821.3%
40K· 24.85 mi
9:07/mi
3:35:21
↓ 200.3%
25.2M
9:54/mi
3:38:46
↑ 13↓ 160.2%
Finish· 26.22 mi
9:27/mi
3:48:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:35
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time1:56:49
Pace8:55 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2925:468:1825:46
8:18
-
10K
6.21 mi11:45:3851:558:2126:09
8:25
+0:07
15K
9.32 mi12:12:561:19:138:3027:18
8:47
+0:22
20K
12.43 mi12:39:341:45:518:3126:38
8:34
-0:13
Half
13.11 mi12:45:181:51:358:315:44
8:24
-0:10
25K
15.53 mi13:05:562:12:138:3120:38
8:31
+0:07
30K
18.64 mi13:33:302:39:478:3427:34
8:52
+0:21
20M
20.00 mi13:45:092:51:268:3411:39
8:34
-0:18
21M
21.00 mi13:54:443:01:018:379:35
9:35
+1:01
35K
21.75 mi14:01:023:07:198:376:18
8:25
-1:10
23M
23.00 mi14:12:173:18:348:3811:15
8:59
+0:34
24M
24.00 mi14:21:163:27:338:398:59
8:59
0:00
40K
24.85 mi14:29:043:35:218:407:48
9:07
+0:08
25.2M
25.20 mi14:32:293:38:468:413:25
9:54
+0:47
Finish
26.22 mi14:42:073:48:248:439:38
9:27
-0:27

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

8:18 /mi

Average Pace

8:43 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:46

90% of race

Time at Steady Pace

19:13

8% of race

Time at Slower Pace

3:25

1% of race

Average Pace: 8:43 /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 mi11:19:2925:468:1825:46
8:18
#16111
10K
6.21 mi11:45:3851:558:2126:09
8:25
#16898
15K
9.32 mi12:12:561:19:138:3027:18
8:47
#17849
20K
12.43 mi12:39:341:45:518:3126:38
8:34
#17678
Half
13.11 mi12:45:181:51:358:315:44
8:24
#17640
25K
15.53 mi13:05:562:12:138:3120:38
8:31
#17396
30K
18.64 mi13:33:302:39:478:3427:34
8:52
#17192
20M
20.00 mi13:45:092:51:268:3411:39
8:34
#16959
21M
21.00 mi13:54:443:01:018:379:35
9:35
#16919
35K
21.75 mi14:01:023:07:198:376:18
8:25
#16837
23M
23.00 mi14:12:173:18:348:3811:15
8:59
#16787
24M
24.00 mi14:21:163:27:338:398:59
8:59
#16813
40K
24.85 mi14:29:043:35:218:407:48
9:07
#16792
25.2M
25.20 mi14:32:293:38:468:413:25
9:54
#16787
Finish
26.22 mi14:42:073:48:248:439:38
9:27
#16960
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi161115355535519439(Top 73%)7350(Top 64%)7350(Top 902%)
10K6.21 mi3.10 mi16898-7875842-4875842-48717686(Top 66%)6298(Top 55%)6298(Top 773%)
15K9.32 mi3.11 mi17849-9516433-5916433-59119439(Top 73%)7350(Top 64%)7350(Top 902%)
20K12.43 mi3.11 mi17678+1716330+1036330+10317315(Top 65%)6115(Top 54%)6115(Top 750%)
Half13.11 mi0.68 mi17640+386306+246306+2417195(Top 65%)6011(Top 53%)6011(Top 738%)
25K15.53 mi2.42 mi17396+2446175+1316175+13116273(Top 61%)5600(Top 49%)5600(Top 687%)
30K18.64 mi3.11 mi17192+2046072+1036072+10316514(Top 62%)5800(Top 51%)5800(Top 712%)
20M20.00 mi1.36 mi16959+2335944+1285944+12814123(Top 53%)4495(Top 39%)4495(Top 552%)
21M21.00 mi1.00 mi16919+405938+65938+616371(Top 61%)5837(Top 51%)5837(Top 716%)
35K21.75 mi0.75 mi16837+825897+415897+4114906(Top 56%)5061(Top 44%)5061(Top 621%)
23M23.00 mi1.25 mi16787+505894+35894+316018(Top 60%)5757(Top 50%)5757(Top 706%)
24M24.00 mi1.00 mi16813-265932-385932-3817166(Top 64%)6445(Top 56%)6445(Top 791%)
40K24.85 mi0.85 mi16792+215937-55937-516748(Top 63%)6260(Top 55%)6260(Top 768%)
25.2M25.20 mi0.35 mi16787+55942-55942-517057(Top 64%)6449(Top 56%)6449(Top 791%)
Finish26.22 mi1.02 mi16960-1736057-1156057-11519960(Top 75%)7973(Top 70%)7973(Top 978%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19439

Females

7350

F55-59

7350

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17686

Females

6298

F55-59

6298

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19439

Females

7350

F55-59

7350

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17315

Females

6115

F55-59

6115

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17195

Females

6011

F55-59

6011

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

16273

Females

5600

F55-59

5600

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16514

Females

5800

F55-59

5800

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14123

Females

4495

F55-59

4495

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16371

Females

5837

F55-59

5837

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14906

Females

5061

F55-59

5061

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16018

Females

5757

F55-59

5757

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

17166

Females

6445

F55-59

6445

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16748

Females

6260

F55-59

6260

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17057

Females

6449

F55-59

6449

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19960

Females

7973

F55-59

7973

Passing Analysis

Category:
Athletes Passed
1676
Passed By
2525
Net Change
-849
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16111
5K → 10K75862-787#16111#16898
10K → 15K37988-951#16898#17849
15K → 20K25685+171#17849#17678
20K → Half5517+38#17678#17640
Half → 25K26016+244#17640#17396
25K → 30K27773+204#17396#17192
30K → 20M2385+233#17192#16959
20M → 21M10060+40#16959#16919
21M → 35K919+82#16919#16837
35K → 23M11060+50#16837#16787
23M → 24M5480-26#16787#16813
24M → 40K6948+21#16813#16792
40K → 25.2M2823+5#16792#16787
25.2M → Finish26199-173#16787#16960
TOTALS16762525-849
📊

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