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BOSTON MARATHON 2023

Lucy Caplan

Bib: 27390•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 38%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:24/mi
26:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:37/mi
49:46
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:13:48
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:37:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:43:03
↑ 19↓ 370.5%
25K· 15.53 mi
7:54/mi
2:02:12
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:27:53
↑ 181↓ 1480.2%
20M
8:36/mi
2:39:34
↑ 64↓ 500.2%
21M
9:59/mi
2:49:33
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
2:55:39
↑ 17↓ 861.7%
23M
9:26/mi
3:07:28
↑ 23↓ 630.6%
24M
8:51/mi
3:16:19
↓ 821.3%
40K· 24.85 mi
9:18/mi
3:24:16
↓ 200.3%
25.2M
10:12/mi
3:27:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:29/mi
3:36:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:03
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:53:23
Pace8:39 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4926:058:2426:05
8:24
-
10K
6.21 mi12:10:3049:468:0123:41
7:37
-0:47
15K
9.32 mi12:34:321:13:487:5524:02
7:44
+0:07
20K
12.43 mi12:58:331:37:497:5224:01
7:44
0:00
Half
13.11 mi13:03:471:43:037:525:14
7:40
-0:04
25K
15.53 mi13:22:562:02:127:5219:09
7:54
+0:14
30K
18.64 mi13:48:372:27:537:5625:41
8:16
+0:22
20M
20.00 mi14:00:182:39:347:5911:41
8:36
+0:20
21M
21.00 mi14:10:172:49:338:049:59
9:59
+1:23
35K
21.75 mi14:16:232:55:398:056:06
8:09
-1:50
23M
23.00 mi14:28:123:07:288:0911:49
9:26
+1:17
24M
24.00 mi14:37:033:16:198:118:51
8:51
-0:35
40K
24.85 mi14:45:003:24:168:137:57
9:18
+0:27
25.2M
25.20 mi14:48:313:27:478:153:31
10:12
+0:54
Finish
26.22 mi14:57:103:36:268:168:39
8:29
-1:43

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

7:37 /mi

Average Pace

8:16 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:07

44% of race

Time at Steady Pace

1:18:12

36% of race

Time at Slower Pace

42:07

19% of race

Average Pace: 8:15 /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 mi11:46:4926:058:2426:05
8:24
#16847
10K
6.21 mi12:10:3049:468:0123:41
7:37
#14454
15K
9.32 mi12:34:321:13:487:5524:02
7:44
#13728
20K
12.43 mi12:58:331:37:497:5224:01
7:44
#13061
Half
13.11 mi13:03:471:43:037:525:14
7:40
#12963
25K
15.53 mi13:22:562:02:127:5219:09
7:54
#12756
30K
18.64 mi13:48:372:27:537:5625:41
8:16
#12765
20M
20.00 mi14:00:182:39:347:5911:41
8:36
#12868
21M
21.00 mi14:10:172:49:338:049:59
9:59
#13247
35K
21.75 mi14:16:232:55:398:056:06
8:09
#13228
23M
23.00 mi14:28:123:07:288:0911:49
9:26
#13595
24M
24.00 mi14:37:033:16:198:118:51
8:51
#13739
40K
24.85 mi14:45:003:24:168:137:57
9:18
#13885
25.2M
25.20 mi14:48:313:27:478:153:31
10:12
#13986
Finish
26.22 mi14:57:103:36:268:168:39
8:29
#14039
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi168475820582012187(Top 46%)3009(Top 26%)3009(Top 62%)
10K6.21 mi3.10 mi14454+23934311+15094311+150911557(Top 43%)2633(Top 23%)2633(Top 54%)
15K9.32 mi3.11 mi13728+7263901+4103901+41012187(Top 46%)3009(Top 26%)3009(Top 62%)
20K12.43 mi3.11 mi13061+6673519+3823519+38211166(Top 42%)2499(Top 22%)2499(Top 51%)
Half13.11 mi0.68 mi12963+983463+563463+5611748(Top 44%)2792(Top 24%)2792(Top 57%)
25K15.53 mi2.42 mi12756+2073371+923371+9211931(Top 45%)3044(Top 27%)3044(Top 62%)
30K18.64 mi3.11 mi12765-93410-393410-3912825(Top 48%)3656(Top 32%)3656(Top 75%)
20M20.00 mi1.36 mi12868-1033494-843494-8414258(Top 54%)4570(Top 40%)4570(Top 94%)
21M21.00 mi1.00 mi13247-3793719-2253719-22517971(Top 68%)6736(Top 59%)6736(Top 138%)
35K21.75 mi0.75 mi13228+193729-103729-1013192(Top 50%)4113(Top 36%)4113(Top 84%)
23M23.00 mi1.25 mi13595-3673971-2423971-24218070(Top 68%)6897(Top 60%)6897(Top 141%)
24M24.00 mi1.00 mi13739-1444094-1234094-12316497(Top 62%)6073(Top 53%)6073(Top 124%)
40K24.85 mi0.85 mi13885-1464202-1084202-10817520(Top 66%)6685(Top 59%)6685(Top 137%)
25.2M25.20 mi0.35 mi13986-1014270-684270-6818121(Top 68%)7001(Top 61%)7001(Top 143%)
Finish26.22 mi1.02 mi14039-534322-524322-5215369(Top 58%)5462(Top 48%)5462(Top 112%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12187

Females

3009

F18-39

3009

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11557

Females

2633

F18-39

2633

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12187

Females

3009

F18-39

3009

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11166

Females

2499

F18-39

2499

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11748

Females

2792

F18-39

2792

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11931

Females

3044

F18-39

3044

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12825

Females

3656

F18-39

3656

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14258

Females

4570

F18-39

4570

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

17971

Females

6736

F18-39

6736

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13192

Females

4113

F18-39

4113

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

18070

Females

6897

F18-39

6897

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16497

Females

6073

F18-39

6073

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17520

Females

6685

F18-39

6685

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18121

Females

7001

F18-39

7001

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15369

Females

5462

F18-39

5462

Passing Analysis

Category:
Athletes Passed
4666
Passed By
1858
Net Change
+2808
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16847
5K → 10K240512+2393#16847#14454
10K → 15K74418+726#14454#13728
15K → 20K67710+667#13728#13061
20K → Half1002+98#13061#12963
Half → 25K24942+207#12963#12756
25K → 30K186195-9#12756#12765
30K → 20M74177-103#12765#12868
20M → 21M19398-379#12868#13247
21M → 35K6445+19#13247#13228
35K → 23M26393-367#13228#13595
23M → 24M35179-144#13595#13739
24M → 40K33179-146#13739#13885
40K → 25.2M6107-101#13885#13986
25.2M → Finish48101-53#13986#14039
TOTALS46661858+2808
📊

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