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BOSTON MARATHON 2023

Lindsay Shapiro

Bib: 15062•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 25%
Division (F18-39)
#0 / 4884
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:33
Rank: #7865
Start → 5K
22:33 | 7:15/mi
10K· 6.21 mi
45:08
Rank: #8206 (-341)
5K → 10K
22:35 | 7:16/mi
15K· 9.32 mi
1:08:10
Rank: #8564 (-358)
10K → 15K
23:02 | 7:25/mi
20K· 12.43 mi
1:31:38
Rank: #8799 (-235)
15K → 20K
23:28 | 7:33/mi
Half· 13.11 mi
1:36:39
Rank: #8801 (-2)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:55:41
Rank: #9200 (-399)
Half → 25K
19:02 | 7:51/mi
30K· 18.64 mi
2:21:27
Rank: #9894 (-694)
25K → 30K
25:46 | 8:18/mi
20M
2:33:03
Rank: #10184 (-290)
30K → 20M
11:36 | 8:32/mi
21M
2:42:39
Rank: #10583 (-399)
20M → 21M
9:36 | 9:36/mi
35K· 21.75 mi
2:48:30
Rank: #10557 (+26)
21M → 35K
5:51 | 7:49/mi
23M
2:59:20
Rank: #10787 (-230)
35K → 23M
10:50 | 8:39/mi
24M
3:07:48
Rank: #10933 (-146)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:15:17
Rank: #11094 (-161)
24M → 40K
7:29 | 8:45/mi
25.2M
3:18:38
Rank: #11196 (-102)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:27:32
Rank: #11466 (-270)
25.2M → Finish
8:54 | 8:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:39
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:50:53
Pace8:28 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4122:337:1522:33
7:15
-
10K
6.21 mi11:15:1645:087:1622:35
7:16
+0:01
15K
9.32 mi11:38:181:08:107:1923:02
7:25
+0:09
20K
12.43 mi12:01:461:31:387:2223:28
7:33
+0:08
Half
13.11 mi12:06:471:36:397:225:01
7:21
-0:12
25K
15.53 mi12:25:491:55:417:2719:02
7:51
+0:30
30K
18.64 mi12:51:352:21:277:3525:46
8:18
+0:27
20M
20.00 mi13:03:112:33:037:3911:36
8:32
+0:14
21M
21.00 mi13:12:472:42:397:459:36
9:36
+1:04
35K
21.75 mi13:18:382:48:307:455:51
7:49
-1:47
23M
23.00 mi13:29:282:59:207:4810:50
8:39
+0:50
24M
24.00 mi13:37:563:07:487:508:28
8:28
-0:11
40K
24.85 mi13:45:253:15:177:517:29
8:45
+0:17
25.2M
25.20 mi13:48:463:18:387:533:21
9:43
+0:58
Finish
26.22 mi13:57:403:27:327:558:54
8:44
-0:59

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

7:15 /mi

Average Pace

7:55 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:32

59% of race

Time at Steady Pace

56:40

27% of race

Time at Slower Pace

29:20

14% of race

Average Pace: 7:55 /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 mi10:52:4122:337:1522:33
7:15
#7865
10K
6.21 mi11:15:1645:087:1622:35
7:16
#8206
15K
9.32 mi11:38:181:08:107:1923:02
7:25
#8564
20K
12.43 mi12:01:461:31:387:2223:28
7:33
#8799
Half
13.11 mi12:06:471:36:397:225:01
7:21
#8801
25K
15.53 mi12:25:491:55:417:2719:02
7:51
#9200
30K
18.64 mi12:51:352:21:277:3525:46
8:18
#9894
20M
20.00 mi13:03:112:33:037:3911:36
8:32
#10184
21M
21.00 mi13:12:472:42:397:459:36
9:36
#10583
35K
21.75 mi13:18:382:48:307:455:51
7:49
#10557
23M
23.00 mi13:29:282:59:207:4810:50
8:39
#10787
24M
24.00 mi13:37:563:07:487:508:28
8:28
#10933
40K
24.85 mi13:45:253:15:177:517:29
8:45
#11094
25.2M
25.20 mi13:48:463:18:387:533:21
9:43
#11196
Finish
26.22 mi13:57:403:27:327:558:54
8:44
#11466
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi78659749749473(Top 36%)1615(Top 14%)1615(Top 33%)
10K6.21 mi3.10 mi8206-3411109-1351109-1358653(Top 33%)1286(Top 11%)1286(Top 26%)
15K9.32 mi3.11 mi8564-3581251-1421251-1429473(Top 36%)1615(Top 14%)1615(Top 33%)
20K12.43 mi3.11 mi8799-2351354-1031354-1039745(Top 37%)1808(Top 16%)1808(Top 37%)
Half13.11 mi0.68 mi8801-21361-71361-79122(Top 34%)1546(Top 14%)1546(Top 32%)
25K15.53 mi2.42 mi9200-3991526-1651526-16511536(Top 43%)2791(Top 24%)2791(Top 57%)
30K18.64 mi3.11 mi9894-6941847-3211847-32112986(Top 49%)3745(Top 33%)3745(Top 77%)
20M20.00 mi1.36 mi10184-2902020-1732020-17313852(Top 52%)4321(Top 38%)4321(Top 88%)
21M21.00 mi1.00 mi10583-3992241-2212241-22116418(Top 62%)5857(Top 51%)5857(Top 120%)
35K21.75 mi0.75 mi10557+262253-122253-1210843(Top 41%)2795(Top 24%)2795(Top 57%)
23M23.00 mi1.25 mi10787-2302400-1472400-14714088(Top 53%)4663(Top 41%)4663(Top 95%)
24M24.00 mi1.00 mi10933-1462491-912491-9114281(Top 54%)4822(Top 42%)4822(Top 99%)
40K24.85 mi0.85 mi11094-1612598-1072598-10714825(Top 56%)5187(Top 45%)5187(Top 106%)
25.2M25.20 mi0.35 mi11196-1022670-722670-7216174(Top 61%)5941(Top 52%)5941(Top 122%)
Finish26.22 mi1.02 mi11466-2702834-1642834-16416670(Top 63%)6183(Top 54%)6183(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9473

Females

1615

F18-39

1615

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8653

Females

1286

F18-39

1286

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9473

Females

1615

F18-39

1615

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9745

Females

1808

F18-39

1808

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9122

Females

1546

F18-39

1546

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11536

Females

2791

F18-39

2791

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

12986

Females

3745

F18-39

3745

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13852

Females

4321

F18-39

4321

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16418

Females

5857

F18-39

5857

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10843

Females

2795

F18-39

2795

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14088

Females

4663

F18-39

4663

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14281

Females

4822

F18-39

4822

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14825

Females

5187

F18-39

5187

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16174

Females

5941

F18-39

5941

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16670

Females

6183

F18-39

6183

Passing Analysis

Category:
Athletes Passed
529
Passed By
4129
Net Change
-3601
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7865
5K → 10K100441-341#7865#8206
10K → 15K50408-358#8206#8564
15K → 20K63298-235#8564#8799
20K → Half2224-2#8799#8801
Half → 25K27426-399#8801#9200
25K → 30K33727-694#9200#9894
30K → 20M28317-290#9894#10184
20M → 21M18417-399#10184#10583
21M → 35K6135+26#10583#10557
35K → 23M32262-230#10557#10787
23M → 24M34180-146#10787#10933
24M → 40K29190-161#10933#11094
40K → 25.2M11113-102#11094#11196
25.2M → Finish21291-270#11196#11466
TOTALS5294129-3601
📊

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