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BOSTON MARATHON 2023

Megan Heiniger

Bib: 11473•F

MN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 25%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 14%
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
7:22/mi
22:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:08/mi
45:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:09/mi
1:07:16
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:29:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:34:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:22/mi
1:52:34
↑ 66↓ 880.2%
30K· 18.64 mi
7:26/mi
2:15:40
↑ 181↓ 1480.2%
20M
7:30/mi
2:25:52
↑ 64↓ 500.2%
21M
7:57/mi
2:33:49
↑ 106↓ 241.6%
35K· 21.75 mi
7:18/mi
2:39:17
↑ 17↓ 861.7%
23M
7:32/mi
2:48:43
↑ 23↓ 630.6%
24M
7:12/mi
2:55:55
↓ 821.3%
40K· 24.85 mi
7:09/mi
3:02:02
↓ 200.3%
25.2M
7:32/mi
3:04:38
↑ 13↓ 160.2%
Finish· 26.22 mi
6:43/mi
3:11:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:42
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:36:47
Pace7:23 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5122:537:2222:53
7:22
-
10K
6.21 mi11:12:0045:027:1522:09
7:08
-0:14
15K
9.32 mi11:34:141:07:167:1322:14
7:09
+0:01
20K
12.43 mi11:56:481:29:507:1422:34
7:16
+0:07
Half
13.11 mi12:01:401:34:427:134:52
7:08
-0:08
25K
15.53 mi12:19:321:52:347:1517:52
7:22
+0:14
30K
18.64 mi12:42:382:15:407:1723:06
7:26
+0:04
20M
20.00 mi12:52:502:25:527:1810:12
7:30
+0:04
21M
21.00 mi13:00:472:33:497:197:57
7:57
+0:27
35K
21.75 mi13:06:152:39:177:195:28
7:18
-0:39
23M
23.00 mi13:15:412:48:437:209:26
7:32
+0:14
24M
24.00 mi13:22:532:55:557:207:12
7:12
-0:20
40K
24.85 mi13:29:003:02:027:196:07
7:09
-0:03
25.2M
25.20 mi13:31:363:04:387:202:36
7:32
+0:23
Finish
26.22 mi13:38:273:11:297:196:51
6:43
-0:49

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

6:43 /mi

Average Pace

7:19 /mi

Slowest Pace

7:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:12

72% of race

Time at Steady Pace

45:20

24% of race

Time at Slower Pace

7:57

4% of race

Average Pace: 7:18 /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 mi10:49:5122:537:2222:53
7:22
#8555
10K
6.21 mi11:12:0045:027:1522:09
7:08
#8099
15K
9.32 mi11:34:141:07:167:1322:14
7:09
#7880
20K
12.43 mi11:56:481:29:507:1422:34
7:16
#7762
Half
13.11 mi12:01:401:34:427:134:52
7:08
#7719
25K
15.53 mi12:19:321:52:347:1517:52
7:22
#7702
30K
18.64 mi12:42:382:15:407:1723:06
7:26
#7476
20M
20.00 mi12:52:502:25:527:1810:12
7:30
#7396
21M
21.00 mi13:00:472:33:497:197:57
7:57
#7360
35K
21.75 mi13:06:152:39:177:195:28
7:18
#7335
23M
23.00 mi13:15:412:48:437:209:26
7:32
#7252
24M
24.00 mi13:22:532:55:557:207:12
7:12
#7158
40K
24.85 mi13:29:003:02:027:196:07
7:09
#7014
25.2M
25.20 mi13:31:363:04:387:202:36
7:32
#6941
Finish
26.22 mi13:38:273:11:297:196:51
6:43
#6768
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8555121112117513(Top 28%)898(Top 8%)898(Top 18%)
10K6.21 mi3.10 mi8099+4561070+1411070+1417622(Top 29%)923(Top 8%)923(Top 19%)
15K9.32 mi3.11 mi7880+219994+76994+767513(Top 28%)898(Top 8%)898(Top 18%)
20K12.43 mi3.11 mi7762+118969+25969+257537(Top 28%)942(Top 8%)942(Top 19%)
Half13.11 mi0.68 mi7719+43955+14955+147436(Top 28%)893(Top 8%)893(Top 18%)
25K15.53 mi2.42 mi7702+17969-14969-147764(Top 29%)1105(Top 10%)1105(Top 23%)
30K18.64 mi3.11 mi7476+226926+43926+436813(Top 26%)867(Top 8%)867(Top 18%)
20M20.00 mi1.36 mi7396+80914+12914+126837(Top 26%)962(Top 8%)962(Top 20%)
21M21.00 mi1.00 mi7360+36923-9923-97053(Top 26%)1148(Top 10%)1148(Top 24%)
35K21.75 mi0.75 mi7335+25929-6929-67199(Top 27%)1161(Top 10%)1161(Top 24%)
23M23.00 mi1.25 mi7252+83921+8921+86642(Top 25%)1033(Top 9%)1033(Top 21%)
24M24.00 mi1.00 mi7158+94906+15906+155773(Top 22%)814(Top 7%)814(Top 17%)
40K24.85 mi0.85 mi7014+144882+24882+244677(Top 18%)559(Top 5%)559(Top 11%)
25.2M25.20 mi0.35 mi6941+73873+9873+94178(Top 16%)504(Top 4%)504(Top 10%)
Finish26.22 mi1.02 mi6768+173828+45828+453674(Top 14%)398(Top 3%)398(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7513

Females

898

F18-39

898

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7622

Females

923

F18-39

923

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7513

Females

898

F18-39

898

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7537

Females

942

F18-39

942

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7436

Females

893

F18-39

893

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7764

Females

1105

F18-39

1105

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6813

Females

867

F18-39

867

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6837

Females

962

F18-39

962

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

7053

Females

1148

F18-39

1148

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7199

Females

1161

F18-39

1161

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6642

Females

1033

F18-39

1033

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5773

Females

814

F18-39

814

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4677

Females

559

F18-39

559

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4178

Females

504

F18-39

504

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

3674

Females

398

F18-39

398

Passing Analysis

Category:
Athletes Passed
2256
Passed By
469
Net Change
+1787
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8555
5K → 10K53680+456#8555#8099
10K → 15K27556+219#8099#7880
15K → 20K17355+118#7880#7762
20K → Half507+43#7762#7719
Half → 25K10083+17#7719#7702
25K → 30K25933+226#7702#7476
30K → 20M10828+80#7476#7396
20M → 21M7741+36#7396#7360
21M → 35K5631+25#7360#7335
35K → 23M11532+83#7335#7252
23M → 24M10713+94#7252#7158
24M → 40K1473+144#7158#7014
40K → 25.2M752+73#7014#6941
25.2M → Finish1785+173#6941#6768
TOTALS2256469+1787
📊

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