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BOSTON MARATHON 2023

Janet Lewis

PA

Bib: 15774 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 49%
Masters (Masters Women)
#0 / 6539
Top 38%
Division (F50-54)
#0 / 1207
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:55/mi
24:37
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:53/mi
49:08
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:59/mi
1:13:57
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:06/mi
1:39:06
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:53/mi
1:44:29
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:41/mi
2:05:31
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:46/mi
2:32:44
↑ 181↓ 1480.2%
138 ft elev
20M
9:02/mi
2:45:00
↑ 64↓ 500.2%
148 ft elev
21M
11:11/mi
2:56:11
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:51/mi
3:02:48
↑ 17↓ 861.7%
156 ft elev
23M
9:50/mi
3:15:07
↑ 23↓ 630.6%
116 ft elev
24M
8:43/mi
3:23:50
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:35/mi
3:32:02
↓ 200.3%
20 ft elev
25.2M
10:15/mi
3:35:34
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:10/mi
3:44:54
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:29
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time2:00:25
Pace9:11 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4824:377:5524:37
7:55
-
10K
6.21 mi11:19:1949:087:5424:31
7:53
-0:02
15K
9.32 mi11:44:081:13:577:5624:49
7:59
+0:06
20K
12.43 mi12:09:171:39:067:5825:09
8:06
+0:07
Half
13.11 mi12:14:401:44:297:585:23
7:53
-0:13
25K
15.53 mi12:35:422:05:318:0521:02
8:41
+0:48
30K
18.64 mi13:02:552:32:448:1227:13
8:46
+0:05
20M
20.00 mi13:15:112:45:008:1512:16
9:02
+0:16
21M
21.00 mi13:26:222:56:118:2311:11
11:11
+2:09
35K
21.75 mi13:32:593:02:488:246:37
8:51
-2:20
23M
23.00 mi13:45:183:15:078:2912:19
9:50
+0:59
24M
24.00 mi13:54:013:23:508:308:43
8:43
-1:07
40K
24.85 mi14:02:133:32:028:328:12
9:35
+0:52
25.2M
25.20 mi14:05:453:35:348:333:32
10:15
+0:40
Finish
26.22 mi14:15:053:44:548:359:20
9:10
-1:05

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

7:53 /mi

Average Pace

8:35 /mi

Slowest Pace

11:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:29

46% of race

Time at Steady Pace

1:25:11

38% of race

Time at Slower Pace

35:14

16% of race

Average Pace: 8:35 /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 mi10:54:4824:377:5524:37
7:55
#13475
10K
6.21 mi11:19:1949:087:5424:31
7:53
#13655
15K
9.32 mi11:44:081:13:577:5624:49
7:59
#13859
20K
12.43 mi12:09:171:39:067:5825:09
8:06
#13904
Half
13.11 mi12:14:401:44:297:585:23
7:53
#13869
25K
15.53 mi12:35:422:05:318:0521:02
8:41
#14500
30K
18.64 mi13:02:552:32:448:1227:13
8:46
#14761
20M
20.00 mi13:15:112:45:008:1512:16
9:02
#14911
21M
21.00 mi13:26:222:56:118:2311:11
11:11
#15452
35K
21.75 mi13:32:593:02:488:246:37
8:51
#15530
23M
23.00 mi13:45:183:15:078:2912:19
9:50
#15837
24M
24.00 mi13:54:013:23:508:308:43
8:43
#15837
40K
24.85 mi14:02:133:32:028:328:12
9:35
#15965
25.2M
25.20 mi14:05:453:35:348:333:32
10:15
#16011
Finish
26.22 mi14:15:053:44:548:359:20
9:10
#16154
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi134753702370214318(Top 54%)4275(Top 37%)4275(Top 354%)
10K6.21 mi3.10 mi13655-1803842-1403842-14013932(Top 52%)4008(Top 35%)4008(Top 332%)
15K9.32 mi3.11 mi13859-2043973-1313973-13114318(Top 54%)4275(Top 37%)4275(Top 354%)
20K12.43 mi3.11 mi13904-454027-544027-5414215(Top 53%)4237(Top 37%)4237(Top 351%)
Half13.11 mi0.68 mi13869+354008+194008+1913595(Top 51%)3871(Top 34%)3871(Top 321%)
25K15.53 mi2.42 mi14500-6314402-3944402-39417248(Top 65%)6139(Top 54%)6139(Top 509%)
30K18.64 mi3.11 mi14761-2614591-1894591-18915839(Top 59%)5411(Top 47%)5411(Top 448%)
20M20.00 mi1.36 mi14911-1504713-1224713-12216694(Top 63%)5967(Top 52%)5967(Top 494%)
21M21.00 mi1.00 mi15452-5415093-3805093-38021229(Top 80%)8583(Top 75%)8583(Top 711%)
35K21.75 mi0.75 mi15530-785155-625155-6217187(Top 65%)6372(Top 56%)6372(Top 528%)
23M23.00 mi1.25 mi15837-3075360-2055360-20519531(Top 73%)7695(Top 67%)7695(Top 638%)
24M24.00 mi1.00 mi158375380-205380-2015770(Top 59%)5683(Top 50%)5683(Top 471%)
40K24.85 mi0.85 mi15965-1285459-795459-7918652(Top 70%)7293(Top 64%)7293(Top 604%)
25.2M25.20 mi0.35 mi16011-465487-285487-2818289(Top 69%)7098(Top 62%)7098(Top 588%)
Finish26.22 mi1.02 mi16154-1435583-965583-9618737(Top 70%)7293(Top 64%)7293(Top 604%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14318

Females

4275

F50-54

4275

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13932

Females

4008

F50-54

4008

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14318

Females

4275

F50-54

4275

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14215

Females

4237

F50-54

4237

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13595

Females

3871

F50-54

3871

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

17248

Females

6139

F50-54

6139

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15839

Females

5411

F50-54

5411

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16694

Females

5967

F50-54

5967

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21229

Females

8583

F50-54

8583

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17187

Females

6372

F50-54

6372

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19531

Females

7695

F50-54

7695

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15770

Females

5683

F50-54

5683

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18652

Females

7293

F50-54

7293

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18289

Females

7098

F50-54

7098

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

18737

Females

7293

F50-54

7293

Passing Analysis

Category:
Athletes Passed
929
Passed By
3608
Net Change
-2679
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13475
5K → 10K223403-180#13475#13655
10K → 15K101305-204#13655#13859
15K → 20K172217-45#13859#13904
20K → Half5217+35#13904#13869
Half → 25K33664-631#13869#14500
25K → 30K94355-261#14500#14761
30K → 20M42192-150#14761#14911
20M → 21M15556-541#14911#15452
21M → 35K23101-78#15452#15530
35K → 23M23330-307#15530#15837
23M → 24M73730#15837#15837
24M → 40K31159-128#15837#15965
40K → 25.2M1763-46#15965#16011
25.2M → Finish30173-143#16011#16154
TOTALS9293608-2679
📊

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