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BOSTON MARATHON 2023

Morgan Mehrley

Bib: 12835•F

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 21%
Division (F18-39)
#0 / 4884
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:47
Rank: #16139
Start → 5K
25:47 | 8:18/mi
10K· 6.21 mi
49:16
Rank: #13811 (+2328)
5K → 10K
23:29 | 7:34/mi
15K· 9.32 mi
1:13:13
Rank: #13184 (+627)
10K → 15K
23:57 | 7:43/mi
20K· 12.43 mi
1:36:27
Rank: #12058 (+1126)
15K → 20K
23:14 | 7:29/mi
Half· 13.11 mi
1:41:27
Rank: #11890 (+168)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
2:00:35
Rank: #11827 (+63)
Half → 25K
19:08 | 7:53/mi
30K· 18.64 mi
2:24:27
Rank: #11158 (+669)
25K → 30K
23:52 | 7:41/mi
20M
2:35:10
Rank: #11003 (+155)
30K → 20M
10:43 | 7:53/mi
21M
2:43:30
Rank: #10888 (+115)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:50:31
Rank: #11315 (-427)
21M → 35K
7:01 | 9:23/mi
23M
3:00:09
Rank: #11060 (+255)
35K → 23M
9:38 | 7:42/mi
24M
3:08:03
Rank: #11029 (+31)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:14:42
Rank: #10909 (+120)
24M → 40K
6:39 | 7:47/mi
25.2M
3:17:31
Rank: #10836 (+73)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:25:01
Rank: #10654 (+182)
25.2M → Finish
7:30 | 7:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:27
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:43:34
Pace7:54 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0225:478:1825:47
8:18
-
10K
6.21 mi11:43:3149:167:5623:29
7:34
-0:44
15K
9.32 mi12:07:281:13:137:5123:57
7:43
+0:09
20K
12.43 mi12:30:421:36:277:4623:14
7:29
-0:14
Half
13.11 mi12:35:421:41:277:445:00
7:20
-0:09
25K
15.53 mi12:54:502:00:357:4619:08
7:53
+0:33
30K
18.64 mi13:18:422:24:277:4523:52
7:41
-0:12
20M
20.00 mi13:29:252:35:107:4510:43
7:53
+0:12
21M
21.00 mi13:37:452:43:307:478:20
8:20
+0:27
35K
21.75 mi13:44:462:50:317:507:01
9:23
+1:03
23M
23.00 mi13:54:243:00:097:509:38
7:42
-1:41
24M
24.00 mi14:02:183:08:037:507:54
7:54
+0:12
40K
24.85 mi14:08:573:14:427:506:39
7:47
-0:07
25.2M
25.20 mi14:11:463:17:317:502:49
8:10
+0:23
Finish
26.22 mi14:19:163:25:017:507:30
7:22
-0:48

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

7:20 /mi

Average Pace

7:50 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:44

17% of race

Time at Steady Pace

2:05:20

61% of race

Time at Slower Pace

43:57

21% of race

Average Pace: 7:49 /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 mi11:20:0225:478:1825:47
8:18
#16139
10K
6.21 mi11:43:3149:167:5623:29
7:34
#13811
15K
9.32 mi12:07:281:13:137:5123:57
7:43
#13184
20K
12.43 mi12:30:421:36:277:4623:14
7:29
#12058
Half
13.11 mi12:35:421:41:277:445:00
7:20
#11890
25K
15.53 mi12:54:502:00:357:4619:08
7:53
#11827
30K
18.64 mi13:18:422:24:277:4523:52
7:41
#11158
20M
20.00 mi13:29:252:35:107:4510:43
7:53
#11003
21M
21.00 mi13:37:452:43:307:478:20
8:20
#10888
35K
21.75 mi13:44:462:50:317:507:01
9:23
#11315
23M
23.00 mi13:54:243:00:097:509:38
7:42
#11060
24M
24.00 mi14:02:183:08:037:507:54
7:54
#11029
40K
24.85 mi14:08:573:14:427:506:39
7:47
#10909
25.2M
25.20 mi14:11:463:17:317:502:49
8:10
#10836
Finish
26.22 mi14:19:163:25:017:507:30
7:22
#10654
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi161395363536311920(Top 45%)2854(Top 25%)2854(Top 58%)
10K6.21 mi3.10 mi13811+23283927+14363927+143610954(Top 41%)2290(Top 20%)2290(Top 47%)
15K9.32 mi3.11 mi13184+6273569+3583569+35811920(Top 45%)2854(Top 25%)2854(Top 58%)
20K12.43 mi3.11 mi12058+11262943+6262943+6269163(Top 34%)1555(Top 14%)1555(Top 32%)
Half13.11 mi0.68 mi11890+1682849+942849+948913(Top 33%)1463(Top 13%)1463(Top 30%)
25K15.53 mi2.42 mi11827+632829+202829+2011853(Top 45%)2985(Top 26%)2985(Top 61%)
30K18.64 mi3.11 mi11158+6692503+3262503+3268528(Top 32%)1521(Top 13%)1521(Top 31%)
20M20.00 mi1.36 mi11003+1552433+702433+709491(Top 36%)2017(Top 18%)2017(Top 41%)
21M21.00 mi1.00 mi10888+1152406+272406+279452(Top 36%)2126(Top 19%)2126(Top 44%)
35K21.75 mi0.75 mi11315-4272635-2292635-22919448(Top 73%)7621(Top 67%)7621(Top 156%)
23M23.00 mi1.25 mi11060+2552522+1132522+1137720(Top 29%)1468(Top 13%)1468(Top 30%)
24M24.00 mi1.00 mi11029+312542-202542-2010537(Top 40%)2844(Top 25%)2844(Top 58%)
40K24.85 mi0.85 mi10909+1202507+352507+358575(Top 32%)1977(Top 17%)1977(Top 40%)
25.2M25.20 mi0.35 mi10836+732486+212486+217601(Top 29%)1671(Top 15%)1671(Top 34%)
Finish26.22 mi1.02 mi10654+1822414+722414+727544(Top 28%)1649(Top 14%)1649(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

11920

Females

2854

F18-39

2854

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10954

Females

2290

F18-39

2290

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

11920

Females

2854

F18-39

2854

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9163

Females

1555

F18-39

1555

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8913

Females

1463

F18-39

1463

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11853

Females

2985

F18-39

2985

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8528

Females

1521

F18-39

1521

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9491

Females

2017

F18-39

2017

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9452

Females

2126

F18-39

2126

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19448

Females

7621

F18-39

7621

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7720

Females

1468

F18-39

1468

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10537

Females

2844

F18-39

2844

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8575

Females

1977

F18-39

1977

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7601

Females

1671

F18-39

1671

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7544

Females

1649

F18-39

1649

Passing Analysis

Category:
Athletes Passed
6204*
Passed By
719
Net Change
+5485
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16139
5K → 10K233911+2328#16139#13811
10K → 15K65225+627#13811#13184
15K → 20K11271+1126#13184#12058
20K → Half1680+168#12058#11890
Half → 25K167104+63#11890#11827
25K → 30K6756+669#11827#11158
30K → 20M178*23+155#11158#11003
20M → 21M14025+115#11003#10888
21M → 35K4431-427#10888#11315
35K → 23M2616+255#11315#11060
23M → 24M8453+31#11060#11029
24M → 40K13515+120#11029#10909
40K → 25.2M774+73#10909#10836
25.2M → Finish19715+182#10836#10654
TOTALS6204*719+5485

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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