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BOSTON MARATHON 2023

Caroline Moore

Bib: 15447•F

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:32
Rank: #10302
Start → 5K
7:34/mi
23:32 split
10K· 6.21 mi
46:29
Rank: #9840 (+462)
5K → 10K
7:23/mi
22:57 split
15K· 9.32 mi
1:09:36
Rank: #9764 (+76)
10K → 15K
7:26/mi
23:07 split
20K· 12.43 mi
1:33:00
Rank: #9681 (+83)
15K → 20K
7:32/mi
23:24 split
Half· 13.11 mi
1:38:05
Rank: #9681
20K → Half
7:27/mi
5:05 split
25K· 15.53 mi
1:56:15
Rank: #9501 (+180)
Half → 25K
7:30/mi
18:10 split
30K· 18.64 mi
2:19:43
Rank: #9120 (+381)
25K → 30K
7:33/mi
23:28 split
20M
2:30:03
Rank: #8974 (+146)
30K → 20M
7:36/mi
10:20 split
21M
2:37:44
Rank: #8734 (+240)
20M → 21M
7:41/mi
7:41 split
35K· 21.75 mi
2:42:48
Rank: #8529 (+205)
21M → 35K
6:46/mi
5:04 split
23M
2:51:34
Rank: #8147 (+382)
35K → 23M
7:00/mi
8:46 split
24M
2:58:30
Rank: #7929 (+218)
23M → 24M
6:56/mi
6:56 split
40K· 24.85 mi
3:04:15
Rank: #7635 (+294)
24M → 40K
6:44/mi
5:45 split
25.2M
3:06:45
Rank: #7541 (+94)
40K → 25.2M
7:15/mi
2:30 split
Finish· 26.22 mi
3:13:10
Rank: #7204 (+337)
25.2M → Finish
6:18/mi
6:25 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:38:05
Pace7:29 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:05
Pace7:15 /mi
📊Negative Split: 3.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5223:327:3423:32
7:34
-
10K
6.21 mi11:16:4946:297:2922:57
7:23
-0:11
15K
9.32 mi11:39:561:09:367:2823:07
7:26
+0:03
20K
12.43 mi12:03:201:33:007:2923:24
7:32
+0:06
Half
13.11 mi12:08:251:38:057:295:05
7:27
-0:05
25K
15.53 mi12:26:351:56:157:2918:10
7:30
+0:03
30K
18.64 mi12:50:032:19:437:3023:28
7:33
+0:03
20M
20.00 mi13:00:232:30:037:3010:20
7:36
+0:03
21M
21.00 mi13:08:042:37:447:317:41
7:41
+0:05
35K
21.75 mi13:13:082:42:487:295:04
6:46
-0:55
23M
23.00 mi13:21:542:51:347:288:46
7:00
+0:14
24M
24.00 mi13:28:502:58:307:266:56
6:56
-0:04
40K
24.85 mi13:34:353:04:157:255:45
6:44
-0:12
25.2M
25.20 mi13:37:053:06:457:252:30
7:15
+0:31
Finish
26.22 mi13:43:303:13:107:226:25
6:18
-0:57

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

6:18 /mi

Average Pace

7:22 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:56

17% of race

Time at Steady Pace

2:32:33

79% of race

Time at Slower Pace

7:41

4% of race

Average Pace: 7:22 /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 mi10:53:5223:327:3423:32
7:34
#10302
10K
6.21 mi11:16:4946:297:2922:57
7:23
#9840
15K
9.32 mi11:39:561:09:367:2823:07
7:26
#9764
20K
12.43 mi12:03:201:33:007:2923:24
7:32
#9681
Half
13.11 mi12:08:251:38:057:295:05
7:27
#9681
25K
15.53 mi12:26:351:56:157:2918:10
7:30
#9501
30K
18.64 mi12:50:032:19:437:3023:28
7:33
#9120
20M
20.00 mi13:00:232:30:037:3010:20
7:36
#8974
21M
21.00 mi13:08:042:37:447:317:41
7:41
#8734
35K
21.75 mi13:13:082:42:487:295:04
6:46
#8529
23M
23.00 mi13:21:542:51:347:288:46
7:00
#8147
24M
24.00 mi13:28:502:58:307:266:56
6:56
#7929
40K
24.85 mi13:34:353:04:157:255:45
6:44
#7635
25.2M
25.20 mi13:37:053:06:457:252:30
7:15
#7541
Finish
26.22 mi13:43:303:13:107:226:25
6:18
#7204
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10302199419949695(Top 36%)1701(Top 15%)1701(Top 35%)
10K6.21 mi3.10 mi9840+4621758+2361758+2369502(Top 36%)1619(Top 14%)1619(Top 33%)
15K9.32 mi3.11 mi9764+761733+251733+259695(Top 36%)1701(Top 15%)1701(Top 35%)
20K12.43 mi3.11 mi9681+831695+381695+389566(Top 36%)1711(Top 15%)1711(Top 35%)
Half13.11 mi0.68 mi96811697-21697-29840(Top 37%)1795(Top 16%)1795(Top 37%)
25K15.53 mi2.42 mi9501+1801645+521645+528739(Top 33%)1440(Top 13%)1440(Top 29%)
30K18.64 mi3.11 mi9120+3811529+1161529+1167609(Top 29%)1143(Top 10%)1143(Top 23%)
20M20.00 mi1.36 mi8974+1461491+381491+387536(Top 28%)1224(Top 11%)1224(Top 25%)
21M21.00 mi1.00 mi8734+2401416+751416+755560(Top 21%)688(Top 6%)688(Top 14%)
35K21.75 mi0.75 mi8529+2051361+551361+554079(Top 15%)347(Top 3%)347(Top 7%)
23M23.00 mi1.25 mi8147+3821241+1201241+1203832(Top 14%)300(Top 3%)300(Top 6%)
24M24.00 mi1.00 mi7929+2181179+621179+624377(Top 16%)419(Top 4%)419(Top 9%)
40K24.85 mi0.85 mi7635+2941086+931086+932507(Top 9%)185(Top 2%)185(Top 4%)
25.2M25.20 mi0.35 mi7541+941068+181068+182823(Top 11%)242(Top 2%)242(Top 5%)
Finish26.22 mi1.02 mi7204+337987+81987+811652(Top 6%)98(Top 0.9%)98(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

9695

Females

1701

F18-39

1701

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9502

Females

1619

F18-39

1619

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

9695

Females

1701

F18-39

1701

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9566

Females

1711

F18-39

1711

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9840

Females

1795

F18-39

1795

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8739

Females

1440

F18-39

1440

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7609

Females

1143

F18-39

1143

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7536

Females

1224

F18-39

1224

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5560

Females

688

F18-39

688

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4079

Females

347

F18-39

347

35K→23M

21.8 - 23.0 mi

Top 14%
×5story building
+23ft-63ft

Overall

3832

Females

300

F18-39

300

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4377

Females

419

F18-39

419

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2507

Females

185

F18-39

185

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2823

Females

242

F18-39

242

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1652

Females

98

F18-39

98

Passing Analysis

Category:
Athletes Passed
3576*
Passed By
478
Net Change
+3098
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10302
5K → 10K590*128+462#10302#9840
10K → 15K216140+76#9840#9764
15K → 20K190*107+83#9764#9681
20K → Half22220#9681#9681
Half → 25K21636+180#9681#9501
25K → 30K399*18+381#9501#9120
30K → 20M16923+146#9120#8974
20M → 21M2433+240#8974#8734
21M → 35K2050+205#8734#8529
35K → 23M3820+382#8529#8147
23M → 24M2191+218#8147#7929
24M → 40K2940+294#7929#7635
40K → 25.2M940+94#7635#7541
25.2M → Finish3370+337#7541#7204
TOTALS3576*478+3098

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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