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BOSTON MARATHON 2023

Heather Morgan

Bib: 13079•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 8%
Division (F18-39)
#0 / 4884
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:59
Rank: #8817
Start → 5K
22:59 | 7:24/mi
10K· 6.21 mi
45:45
Rank: #8915 (-98)
5K → 10K
22:46 | 7:20/mi
15K· 9.32 mi
1:08:53
Rank: #9120 (-205)
10K → 15K
23:08 | 7:27/mi
20K· 12.43 mi
1:31:59
Rank: #9015 (+105)
15K → 20K
23:06 | 7:26/mi
Half· 13.11 mi
1:36:57
Rank: #8987 (+28)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:54:44
Rank: #8725 (+262)
Half → 25K
17:47 | 7:20/mi
30K· 18.64 mi
2:17:41
Rank: #8255 (+470)
25K → 30K
22:57 | 7:23/mi
20M
2:27:45
Rank: #8076 (+179)
30K → 20M
10:04 | 7:24/mi
21M
2:35:26
Rank: #7874 (+202)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:40:43
Rank: #7775 (+99)
21M → 35K
5:17 | 7:04/mi
23M
2:49:49
Rank: #7563 (+212)
35K → 23M
9:06 | 7:16/mi
24M
2:56:38
Rank: #7339 (+224)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
3:02:35
Rank: #7164 (+175)
24M → 40K
5:57 | 6:58/mi
25.2M
3:05:10
Rank: #7098 (+66)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:12:08
Rank: #6935 (+163)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:36:57
Pace7:24 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:11
Pace7:16 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0622:597:2422:59
7:24
-
10K
6.21 mi11:13:5245:457:2222:46
7:20
-0:04
15K
9.32 mi11:37:001:08:537:2323:08
7:27
+0:07
20K
12.43 mi12:00:061:31:597:2423:06
7:26
-0:01
Half
13.11 mi12:05:041:36:577:244:58
7:17
-0:09
25K
15.53 mi12:22:511:54:447:2317:47
7:20
+0:03
30K
18.64 mi12:45:482:17:417:2322:57
7:23
+0:03
20M
20.00 mi12:55:522:27:457:2310:04
7:24
+0:01
21M
21.00 mi13:03:332:35:267:247:41
7:41
+0:17
35K
21.75 mi13:08:502:40:437:235:17
7:04
-0:37
23M
23.00 mi13:17:562:49:497:239:06
7:16
+0:12
24M
24.00 mi13:24:452:56:387:226:49
6:49
-0:27
40K
24.85 mi13:30:423:02:357:215:57
6:58
+0:09
25.2M
25.20 mi13:33:173:05:107:212:35
7:29
+0:31
Finish
26.22 mi13:40:153:12:087:206:58
6:50
-0:39

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

6:49 /mi

Average Pace

7:20 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:27

96% of race

Time at Steady Pace

7:41

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:20 /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 mi10:51:0622:597:2422:59
7:24
#8817
10K
6.21 mi11:13:5245:457:2222:46
7:20
#8915
15K
9.32 mi11:37:001:08:537:2323:08
7:27
#9120
20K
12.43 mi12:00:061:31:597:2423:06
7:26
#9015
Half
13.11 mi12:05:041:36:577:244:58
7:17
#8987
25K
15.53 mi12:22:511:54:447:2317:47
7:20
#8725
30K
18.64 mi12:45:482:17:417:2322:57
7:23
#8255
20M
20.00 mi12:55:522:27:457:2310:04
7:24
#8076
21M
21.00 mi13:03:332:35:267:247:41
7:41
#7874
35K
21.75 mi13:08:502:40:437:235:17
7:04
#7775
23M
23.00 mi13:17:562:49:497:239:06
7:16
#7563
24M
24.00 mi13:24:452:56:387:226:49
6:49
#7339
40K
24.85 mi13:30:423:02:357:215:57
6:58
#7164
25.2M
25.20 mi13:33:173:05:107:212:35
7:29
#7098
Finish
26.22 mi13:40:153:12:087:206:58
6:50
#6935
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8817132113219735(Top 37%)1716(Top 15%)1716(Top 35%)
10K6.21 mi3.10 mi8915-981376-551376-559070(Top 34%)1434(Top 13%)1434(Top 29%)
15K9.32 mi3.11 mi9120-2051469-931469-939735(Top 37%)1716(Top 15%)1716(Top 35%)
20K12.43 mi3.11 mi9015+1051444+251444+258800(Top 33%)1406(Top 12%)1406(Top 29%)
Half13.11 mi0.68 mi8987+281438+61438+68479(Top 32%)1258(Top 11%)1258(Top 26%)
25K15.53 mi2.42 mi8725+2621342+961342+967517(Top 28%)1015(Top 9%)1015(Top 21%)
30K18.64 mi3.11 mi8255+4701212+1301212+1306548(Top 25%)778(Top 7%)778(Top 16%)
20M20.00 mi1.36 mi8076+1791161+511161+516247(Top 23%)767(Top 7%)767(Top 16%)
21M21.00 mi1.00 mi7874+2021096+651096+655557(Top 21%)685(Top 6%)685(Top 14%)
35K21.75 mi0.75 mi7775+991071+251071+255743(Top 22%)689(Top 6%)689(Top 14%)
23M23.00 mi1.25 mi7563+2121021+501021+505172(Top 19%)581(Top 5%)581(Top 12%)
24M24.00 mi1.00 mi7339+224965+56965+563781(Top 14%)325(Top 3%)325(Top 7%)
40K24.85 mi0.85 mi7164+175924+41924+413671(Top 14%)354(Top 3%)354(Top 7%)
25.2M25.20 mi0.35 mi7098+66914+10914+103948(Top 15%)437(Top 4%)437(Top 9%)
Finish26.22 mi1.02 mi6935+163892+22892+224308(Top 16%)533(Top 5%)533(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9735

Females

1716

F18-39

1716

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9070

Females

1434

F18-39

1434

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9735

Females

1716

F18-39

1716

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8800

Females

1406

F18-39

1406

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8479

Females

1258

F18-39

1258

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7517

Females

1015

F18-39

1015

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6548

Females

778

F18-39

778

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6247

Females

767

F18-39

767

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5557

Females

685

F18-39

685

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5743

Females

689

F18-39

689

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5172

Females

581

F18-39

581

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3781

Females

325

F18-39

325

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3671

Females

354

F18-39

354

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3948

Females

437

F18-39

437

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4308

Females

533

F18-39

533

Passing Analysis

Category:
Athletes Passed
2636
Passed By
754
Net Change
+1882
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8817
5K → 10K226324-98#8817#8915
10K → 15K81286-205#8915#9120
15K → 20K17772+105#9120#9015
20K → Half4214+28#9015#8987
Half → 25K27210+262#8987#8725
25K → 30K4777+470#8725#8255
30K → 20M19112+179#8255#8076
20M → 21M2075+202#8076#7874
21M → 35K1045+99#7874#7775
35K → 23M2175+212#7775#7563
23M → 24M2251+224#7563#7339
24M → 40K1772+175#7339#7164
40K → 25.2M715+66#7164#7098
25.2M → Finish1696+163#7098#6935
TOTALS2636754+1882
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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