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BOSTON MARATHON 2023

Megan Mcdonald

Bib: 15127•F

VA

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 45%
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
8:09/mi
25:20
↑ 97↓ 3451.5%
10K· 6.21 mi
8:01/mi
50:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:14:53
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:39:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:44:47
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
2:03:44
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:28:02
↑ 181↓ 1480.2%
20M
7:58/mi
2:38:52
↑ 64↓ 500.2%
21M
8:33/mi
2:47:25
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:53:08
↑ 17↓ 861.7%
23M
7:55/mi
3:03:03
↑ 23↓ 630.6%
24M
7:52/mi
3:10:55
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:17:54
↓ 200.3%
25.2M
8:48/mi
3:20:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:05/mi
3:29:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:44:47
Pace8:00 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:23
Pace7:58 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:3225:208:0925:20
8:09
-
10K
6.21 mi11:21:2550:138:0524:53
8:01
-0:08
15K
9.32 mi11:46:051:14:538:0224:40
7:56
-0:05
20K
12.43 mi12:10:401:39:288:0024:35
7:55
-0:01
Half
13.11 mi12:15:591:44:478:005:19
7:48
-0:07
25K
15.53 mi12:34:562:03:447:5818:57
7:49
+0:01
30K
18.64 mi12:59:142:28:027:5624:18
7:49
0:00
20M
20.00 mi13:10:042:38:527:5710:50
7:58
+0:09
21M
21.00 mi13:18:372:47:257:588:33
8:33
+0:35
35K
21.75 mi13:24:202:53:087:585:43
7:38
-0:55
23M
23.00 mi13:34:153:03:037:589:55
7:55
+0:17
24M
24.00 mi13:42:073:10:557:577:52
7:52
-0:03
40K
24.85 mi13:49:063:17:547:586:59
8:10
+0:18
25.2M
25.20 mi13:52:083:20:567:583:02
8:48
+0:38
Finish
26.22 mi14:00:223:29:107:598:14
8:05
-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

7:38 /mi

Average Pace

7:59 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:35

94% of race

Time at Steady Pace

11:35

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:59 /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 mi10:56:3225:208:0925:20
8:09
#15109
10K
6.21 mi11:21:2550:138:0524:53
8:01
#14980
15K
9.32 mi11:46:051:14:538:0224:40
7:56
#14606
20K
12.43 mi12:10:401:39:288:0024:35
7:55
#14138
Half
13.11 mi12:15:591:44:478:005:19
7:48
#14061
25K
15.53 mi12:34:562:03:447:5818:57
7:49
#13601
30K
18.64 mi12:59:142:28:027:5624:18
7:49
#12829
20M
20.00 mi13:10:042:38:527:5710:50
7:58
#12578
21M
21.00 mi13:18:372:47:257:588:33
8:33
#12432
35K
21.75 mi13:24:202:53:087:585:43
7:38
#12320
23M
23.00 mi13:34:153:03:037:589:55
7:55
#12120
24M
24.00 mi13:42:073:10:557:577:52
7:52
#12036
40K
24.85 mi13:49:063:17:547:586:59
8:10
#11987
25.2M
25.20 mi13:52:083:20:567:583:02
8:48
#11975
Finish
26.22 mi14:00:223:29:107:598:14
8:05
#12007
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi151094713471313912(Top 52%)4029(Top 35%)4029(Top 82%)
10K6.21 mi3.10 mi14980+1294637+764637+7614866(Top 56%)4583(Top 40%)4583(Top 94%)
15K9.32 mi3.11 mi14606+3744416+2214416+22113912(Top 52%)4029(Top 35%)4029(Top 82%)
20K12.43 mi3.11 mi14138+4684168+2484168+24812734(Top 48%)3396(Top 30%)3396(Top 70%)
Half13.11 mi0.68 mi14061+774117+514117+5112707(Top 48%)3313(Top 29%)3313(Top 68%)
25K15.53 mi2.42 mi13601+4603864+2533864+25311257(Top 42%)2633(Top 23%)2633(Top 54%)
30K18.64 mi3.11 mi12829+7723451+4133451+4139540(Top 36%)1947(Top 17%)1947(Top 40%)
20M20.00 mi1.36 mi12578+2513320+1313320+13110110(Top 38%)2292(Top 20%)2292(Top 47%)
21M21.00 mi1.00 mi12432+1463253+673253+6710790(Top 41%)2769(Top 24%)2769(Top 57%)
35K21.75 mi0.75 mi12320+1123207+463207+469620(Top 36%)2205(Top 19%)2205(Top 45%)
23M23.00 mi1.25 mi12120+2003126+813126+819251(Top 35%)2154(Top 19%)2154(Top 44%)
24M24.00 mi1.00 mi12036+843098+283098+2810309(Top 39%)2741(Top 24%)2741(Top 56%)
40K24.85 mi0.85 mi11987+493092+63092+611165(Top 42%)3235(Top 28%)3235(Top 66%)
25.2M25.20 mi0.35 mi11975+123089+33089+311372(Top 43%)3384(Top 30%)3384(Top 69%)
Finish26.22 mi1.02 mi12007-323131-423131-4212664(Top 48%)4040(Top 35%)4040(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13912

Females

4029

F18-39

4029

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14866

Females

4583

F18-39

4583

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13912

Females

4029

F18-39

4029

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12734

Females

3396

F18-39

3396

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12707

Females

3313

F18-39

3313

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11257

Females

2633

F18-39

2633

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9540

Females

1947

F18-39

1947

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10110

Females

2292

F18-39

2292

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10790

Females

2769

F18-39

2769

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9620

Females

2205

F18-39

2205

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9251

Females

2154

F18-39

2154

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10309

Females

2741

F18-39

2741

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11165

Females

3235

F18-39

3235

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11372

Females

3384

F18-39

3384

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12664

Females

4040

F18-39

4040

Passing Analysis

Category:
Athletes Passed
3661
Passed By
559
Net Change
+3102
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15109
5K → 10K359230+129#15109#14980
10K → 15K42652+374#14980#14606
15K → 20K49224+468#14606#14138
20K → Half836+77#14138#14061
Half → 25K4633+460#14061#13601
25K → 30K7775+772#13601#12829
30K → 20M26413+251#12829#12578
20M → 21M17024+146#12578#12432
21M → 35K1175+112#12432#12320
35K → 23M21313+200#12320#12120
23M → 24M11430+84#12120#12036
24M → 40K8738+49#12036#11987
40K → 25.2M3927+12#11987#11975
25.2M → Finish5789-32#11975#12007
TOTALS3661559+3102
📊

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