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BOSTON MARATHON 2023

Erin Morin

Bib: 20646•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:09
Rank: #19130
Start → 5K
8:44/mi
27:09 split
10K· 6.21 mi
53:38
Rank: #18704 (+426)
5K → 10K
8:31/mi
26:29 split
15K· 9.32 mi
1:21:02
Rank: #19016 (-312)
10K → 15K
8:49/mi
27:24 split
20K· 12.43 mi
1:50:41
Rank: #19892 (-876)
15K → 20K
9:33/mi
29:39 split
Half· 13.11 mi
1:57:13
Rank: #20086 (-194)
20K → Half
9:35/mi
6:32 split
25K· 15.53 mi
2:22:52
Rank: #20920 (-834)
Half → 25K
10:35/mi
25:39 split
30K· 18.64 mi
2:55:47
Rank: #21266 (-346)
25K → 30K
10:36/mi
32:55 split
20M
3:10:50
Rank: #21429 (-163)
30K → 20M
11:04/mi
15:03 split
21M
3:23:08
Rank: #21568 (-139)
20M → 21M
12:18/mi
12:18 split
35K· 21.75 mi
3:31:07
Rank: #21627 (-59)
21M → 35K
10:40/mi
7:59 split
23M
3:45:03
Rank: #21704 (-77)
35K → 23M
11:08/mi
13:56 split
24M
3:55:42
Rank: #21751 (-47)
23M → 24M
10:39/mi
10:39 split
40K· 24.85 mi
4:05:25
Rank: #21803 (-52)
24M → 40K
11:22/mi
9:43 split
25.2M
4:09:29
Rank: #21803
40K → 25.2M
11:48/mi
4:04 split
Finish· 26.22 mi
4:20:55
Rank: #21927 (-124)
25.2M → Finish
11:13/mi
11:26 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:13
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:23:42
Pace10:58 /mi
📊Positive Split: 22.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4127:098:4427:09
8:44
-
10K
6.21 mi11:46:1053:388:3826:29
8:31
-0:13
15K
9.32 mi12:13:341:21:028:4227:24
8:49
+0:18
20K
12.43 mi12:43:131:50:418:5429:39
9:33
+0:44
Half
13.11 mi12:49:451:57:138:566:32
9:35
+0:02
25K
15.53 mi13:15:242:22:529:1225:39
10:35
+1:00
30K
18.64 mi13:48:192:55:479:2632:55
10:36
+0:01
20M
20.00 mi14:03:223:10:509:3215:03
11:04
+0:28
21M
21.00 mi14:15:403:23:089:4012:18
12:18
+1:14
35K
21.75 mi14:23:393:31:079:427:59
10:40
-1:38
23M
23.00 mi14:37:353:45:039:4713:56
11:08
+0:28
24M
24.00 mi14:48:143:55:429:4910:39
10:39
-0:29
40K
24.85 mi14:57:574:05:259:529:43
11:22
+0:43
25.2M
25.20 mi15:02:014:09:299:544:04
11:48
+0:26
Finish
26.22 mi15:13:274:20:559:5811:26
11:13
-0:35

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

8:31 /mi

Average Pace

9:58 /mi

Slowest Pace

12:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:13

45% of race

Time at Steady Pace

1:46:11

41% of race

Time at Slower Pace

37:31

14% of race

Average Pace: 9:57 /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 mi11:19:4127:098:4427:09
8:44
#19130
10K
6.21 mi11:46:1053:388:3826:29
8:31
#18704
15K
9.32 mi12:13:341:21:028:4227:24
8:49
#19016
20K
12.43 mi12:43:131:50:418:5429:39
9:33
#19892
Half
13.11 mi12:49:451:57:138:566:32
9:35
#20086
25K
15.53 mi13:15:242:22:529:1225:39
10:35
#20920
30K
18.64 mi13:48:192:55:479:2632:55
10:36
#21266
20M
20.00 mi14:03:223:10:509:3215:03
11:04
#21429
21M
21.00 mi14:15:403:23:089:4012:18
12:18
#21568
35K
21.75 mi14:23:393:31:079:427:59
10:40
#21627
23M
23.00 mi14:37:353:45:039:4713:56
11:08
#21704
24M
24.00 mi14:48:143:55:429:4910:39
10:39
#21751
40K
24.85 mi14:57:574:05:259:529:43
11:22
#21803
25.2M
25.20 mi15:02:014:09:299:544:04
11:48
#21803
Finish
26.22 mi15:13:274:20:559:5811:26
11:13
#21927
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi191307284728419640(Top 74%)7471(Top 65%)7471(Top 398%)
10K6.21 mi3.10 mi18704+4266951+3336951+33318414(Top 69%)6726(Top 59%)6726(Top 358%)
15K9.32 mi3.11 mi19016-3127142-1917142-19119640(Top 74%)7471(Top 65%)7471(Top 398%)
20K12.43 mi3.11 mi19892-8767655-5137655-51321692(Top 81%)8621(Top 75%)8621(Top 459%)
Half13.11 mi0.68 mi20086-1947765-1107765-11022335(Top 84%)8970(Top 79%)8970(Top 478%)
25K15.53 mi2.42 mi20920-8348216-4518216-45123321(Top 88%)9568(Top 84%)9568(Top 509%)
30K18.64 mi3.11 mi21266-3468430-2148430-21422402(Top 84%)9126(Top 80%)9126(Top 486%)
20M20.00 mi1.36 mi21429-1638529-998529-9922836(Top 86%)9423(Top 82%)9423(Top 502%)
21M21.00 mi1.00 mi21568-1398613-848613-8423195(Top 87%)9648(Top 84%)9648(Top 514%)
35K21.75 mi0.75 mi21627-598659-468659-4622706(Top 85%)9424(Top 83%)9424(Top 502%)
23M23.00 mi1.25 mi21704-778717-588717-5822593(Top 85%)9373(Top 82%)9373(Top 499%)
24M24.00 mi1.00 mi21751-478751-348751-3422353(Top 84%)9290(Top 81%)9290(Top 495%)
40K24.85 mi0.85 mi21803-528791-408791-4023010(Top 86%)9663(Top 85%)9663(Top 515%)
25.2M25.20 mi0.35 mi218038792-18792-122147(Top 83%)9206(Top 81%)9206(Top 490%)
Finish26.22 mi1.02 mi21927-1248867-758867-7524325(Top 91%)10314(Top 90%)10314(Top 549%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19640

Females

7471

F40-44

7471

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

18414

Females

6726

F40-44

6726

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19640

Females

7471

F40-44

7471

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

21692

Females

8621

F40-44

8621

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

22335

Females

8970

F40-44

8970

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

23321

Females

9568

F40-44

9568

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22402

Females

9126

F40-44

9126

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

22836

Females

9423

F40-44

9423

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

23195

Females

9648

F40-44

9648

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22706

Females

9424

F40-44

9424

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22593

Females

9373

F40-44

9373

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22353

Females

9290

F40-44

9290

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

23010

Females

9663

F40-44

9663

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22147

Females

9206

F40-44

9206

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

24325

Females

10314

F40-44

10314

Passing Analysis

Category:
Athletes Passed
1008
Passed By
3805
Net Change
-2797
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19130
5K → 10K621195+426#19130#18704
10K → 15K85397-312#18704#19016
15K → 20K31907-876#19016#19892
20K → Half6200-194#19892#20086
Half → 25K9843-834#20086#20920
25K → 30K53399-346#20920#21266
30K → 20M37200-163#21266#21429
20M → 21M27166-139#21429#21568
21M → 35K2180-59#21568#21627
35K → 23M38115-77#21627#21704
23M → 24M2875-47#21704#21751
24M → 40K2173-52#21751#21803
40K → 25.2M19190#21803#21803
25.2M → Finish12136-124#21803#21927
TOTALS10083805-2797
📊

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