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BOSTON MARATHON 2023

Susan Lewis

Bib: 3755•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 22%
Gender (Female)
#0 / 11423
Top 5%
Masters (Masters Women)
#0 / 6539
Top 2%
Division (F45-49)
#0 / 1817
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:27
Rank: #5611
Start → 5K
21:27 | 6:54/mi
10K· 6.21 mi
42:43
Rank: #5627 (-16)
5K → 10K
21:16 | 6:51/mi
15K· 9.32 mi
1:04:02
Rank: #5636 (-9)
10K → 15K
21:19 | 6:52/mi
20K· 12.43 mi
1:26:08
Rank: #5928 (-292)
15K → 20K
22:06 | 7:07/mi
Half· 13.11 mi
1:31:01
Rank: #6016 (-88)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:48:55
Rank: #6293 (-277)
Half → 25K
17:54 | 7:23/mi
30K· 18.64 mi
2:12:45
Rank: #6531 (-238)
25K → 30K
23:50 | 7:40/mi
20M
2:22:52
Rank: #6484 (+47)
30K → 20M
10:07 | 7:27/mi
21M
2:30:37
Rank: #6404 (+80)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:35:55
Rank: #6369 (+35)
21M → 35K
5:18 | 7:05/mi
23M
2:45:01
Rank: #6246 (+123)
35K → 23M
9:06 | 7:16/mi
24M
2:52:08
Rank: #6147 (+99)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:58:22
Rank: #6086 (+61)
24M → 40K
6:14 | 7:17/mi
25.2M
3:00:59
Rank: #6040 (+46)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
3:08:01
Rank: #5937 (+103)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:01
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:37:00
Pace7:24 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5821:276:5421:27
6:54
-
10K
6.21 mi10:44:1442:436:5221:16
6:51
-0:03
15K
9.32 mi11:05:331:04:026:5221:19
6:52
+0:01
20K
12.43 mi11:27:391:26:086:5622:06
7:07
+0:15
Half
13.11 mi11:32:321:31:016:574:53
7:09
+0:02
25K
15.53 mi11:50:261:48:557:0117:54
7:23
+0:14
30K
18.64 mi12:14:162:12:457:0723:50
7:40
+0:17
20M
20.00 mi12:24:232:22:527:0910:07
7:27
-0:13
21M
21.00 mi12:32:082:30:377:107:45
7:45
+0:18
35K
21.75 mi12:37:262:35:557:105:18
7:05
-0:40
23M
23.00 mi12:46:322:45:017:109:06
7:16
+0:11
24M
24.00 mi12:53:392:52:087:107:07
7:07
-0:09
40K
24.85 mi12:59:532:58:227:116:14
7:17
+0:10
25.2M
25.20 mi13:02:303:00:597:112:37
7:35
+0:18
Finish
26.22 mi13:09:323:08:017:117:02
6:54
-0:41

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

6:51 /mi

Average Pace

7:11 /mi

Slowest Pace

7:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:49

82% of race

Time at Steady Pace

34:12

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:22:5821:276:5421:27
6:54
#5611
10K
6.21 mi10:44:1442:436:5221:16
6:51
#5627
15K
9.32 mi11:05:331:04:026:5221:19
6:52
#5636
20K
12.43 mi11:27:391:26:086:5622:06
7:07
#5928
Half
13.11 mi11:32:321:31:016:574:53
7:09
#6016
25K
15.53 mi11:50:261:48:557:0117:54
7:23
#6293
30K
18.64 mi12:14:162:12:457:0723:50
7:40
#6531
20M
20.00 mi12:24:232:22:527:0910:07
7:27
#6484
21M
21.00 mi12:32:082:30:377:107:45
7:45
#6404
35K
21.75 mi12:37:262:35:557:105:18
7:05
#6369
23M
23.00 mi12:46:322:45:017:109:06
7:16
#6246
24M
24.00 mi12:53:392:52:087:107:07
7:07
#6147
40K
24.85 mi12:59:532:58:227:116:14
7:17
#6086
25.2M
25.20 mi13:02:303:00:597:112:37
7:35
#6040
Finish
26.22 mi13:09:323:08:017:117:02
6:54
#5937
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi56114394395680(Top 21%)462(Top 4%)462(Top 25%)
10K6.21 mi3.10 mi5627-164394395718(Top 21%)476(Top 4%)476(Top 26%)
15K9.32 mi3.11 mi5636-9448-9448-95680(Top 21%)462(Top 4%)462(Top 25%)
20K12.43 mi3.11 mi5928-292504-56504-566624(Top 25%)684(Top 6%)684(Top 38%)
Half13.11 mi0.68 mi6016-88521-17521-177594(Top 29%)937(Top 8%)937(Top 52%)
25K15.53 mi2.42 mi6293-277585-64585-647883(Top 30%)1141(Top 10%)1141(Top 63%)
30K18.64 mi3.11 mi6531-238655-70655-708443(Top 32%)1479(Top 13%)1479(Top 81%)
20M20.00 mi1.36 mi6484+47660-5660-56454(Top 24%)831(Top 7%)831(Top 46%)
21M21.00 mi1.00 mi6404+80649+11649+115926(Top 22%)775(Top 7%)775(Top 43%)
35K21.75 mi0.75 mi6369+35646+3646+35849(Top 22%)712(Top 6%)712(Top 39%)
23M23.00 mi1.25 mi6246+123630+16630+165167(Top 19%)576(Top 5%)576(Top 32%)
24M24.00 mi1.00 mi6147+99619+11619+115312(Top 20%)656(Top 6%)656(Top 36%)
40K24.85 mi0.85 mi6086+61614+5614+55420(Top 20%)775(Top 7%)775(Top 43%)
25.2M25.20 mi0.35 mi6040+46608+6608+64392(Top 16%)547(Top 5%)547(Top 30%)
Finish26.22 mi1.02 mi5937+103595+13595+134669(Top 18%)621(Top 5%)621(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5680

Females

462

F45-49

462

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5718

Females

476

F45-49

476

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5680

Females

462

F45-49

462

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6624

Females

684

F45-49

684

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7594

Females

937

F45-49

937

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

7883

Females

1141

F45-49

1141

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8443

Females

1479

F45-49

1479

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6454

Females

831

F45-49

831

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5926

Females

775

F45-49

775

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5849

Females

712

F45-49

712

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5167

Females

576

F45-49

576

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5312

Females

656

F45-49

656

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5420

Females

775

F45-49

775

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4392

Females

547

F45-49

547

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4669

Females

621

F45-49

621

Passing Analysis

Category:
Athletes Passed
1163
Passed By
1489
Net Change
-326
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5611
5K → 10K192208-16#5611#5627
10K → 15K113122-9#5627#5636
15K → 20K42334-292#5636#5928
20K → Half492-88#5928#6016
Half → 25K28305-277#6016#6293
25K → 30K57295-238#6293#6531
30K → 20M8740+47#6531#6484
20M → 21M9515+80#6484#6404
21M → 35K5823+35#6404#6369
35K → 23M13411+123#6369#6246
23M → 24M11112+99#6246#6147
24M → 40K7716+61#6147#6086
40K → 25.2M515+46#6086#6040
25.2M → Finish11411+103#6040#5937
TOTALS11631489-326
📊

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