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BOSTON MARATHON 2023

Courtney Kaplan

Bib: 26647•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
10:09/mi
31:33
↑ 97↓ 3451.5%
10K· 6.21 mi
10:14/mi
1:03:21
↑ 79↓ 1380.4%
15K· 9.32 mi
9:33/mi
1:33:00
↑ 67↓ 78
20K· 12.43 mi
9:42/mi
2:03:07
↑ 106↓ 860.1%
Half· 13.11 mi
9:48/mi
2:09:48
↑ 19↓ 370.5%
25K· 15.53 mi
10:34/mi
2:35:24
↑ 66↓ 880.2%
30K· 18.64 mi
10:29/mi
3:07:59
↑ 181↓ 1480.2%
20M
10:51/mi
3:22:43
↑ 64↓ 500.2%
21M
10:40/mi
3:33:23
↑ 106↓ 241.6%
35K· 21.75 mi
10:40/mi
3:41:22
↑ 17↓ 861.7%
23M
11:06/mi
3:55:16
↑ 23↓ 630.6%
24M
10:42/mi
4:05:58
↓ 821.3%
40K· 24.85 mi
10:48/mi
4:15:12
↓ 200.3%
25.2M
11:39/mi
4:19:13
↑ 13↓ 160.2%
Finish· 26.22 mi
10:06/mi
4:29:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:48
Pace9:54 /mi
2nd Half
Distance13.11 mi
Time2:19:43
Pace10:39 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3131:3310:0931:33
10:09
-
10K
6.21 mi12:23:191:03:2110:1231:48
10:14
+0:05
15K
9.32 mi12:52:581:33:009:5929:39
9:33
-0:41
20K
12.43 mi13:23:052:03:079:5430:07
9:42
+0:09
Half
13.11 mi13:29:462:09:489:546:41
9:48
+0:06
25K
15.53 mi13:55:222:35:2410:0025:36
10:34
+0:46
30K
18.64 mi14:27:573:07:5910:0532:35
10:29
-0:05
20M
20.00 mi14:42:413:22:4310:0814:44
10:51
+0:22
21M
21.00 mi14:53:213:33:2310:1010:40
10:40
-0:11
35K
21.75 mi15:01:203:41:2210:117:59
10:40
0:00
23M
23.00 mi15:15:143:55:1610:1413:54
11:06
+0:26
24M
24.00 mi15:25:564:05:5810:1510:42
10:42
-0:24
40K
24.85 mi15:35:104:15:1210:169:14
10:48
+0:06
25.2M
25.20 mi15:39:114:19:1310:174:01
11:39
+0:51
Finish
26.22 mi15:49:294:29:3110:1710:18
10:06
-1:33

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

9:33 /mi

Average Pace

10:17 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:06

52% of race

Time at Steady Pace

1:36:46

36% of race

Time at Slower Pace

32:39

12% of race

Average Pace: 10:17 /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 mi11:51:3131:3310:0931:33
10:09
#23832
10K
6.21 mi12:23:191:03:2110:1231:48
10:14
#24044
15K
9.32 mi12:52:581:33:009:5929:39
9:33
#23555
20K
12.43 mi13:23:052:03:079:5430:07
9:42
#23215
Half
13.11 mi13:29:462:09:489:546:41
9:48
#23190
25K
15.53 mi13:55:222:35:2410:0025:36
10:34
#23211
30K
18.64 mi14:27:573:07:5910:0532:35
10:29
#22999
20M
20.00 mi14:42:413:22:4310:0814:44
10:51
#22943
21M
21.00 mi14:53:213:33:2310:1010:40
10:40
#22783
35K
21.75 mi15:01:203:41:2210:117:59
10:40
#22791
23M
23.00 mi15:15:143:55:1610:1413:54
11:06
#22774
24M
24.00 mi15:25:564:05:5810:1510:42
10:42
#22756
40K
24.85 mi15:35:104:15:1210:169:14
10:48
#22723
25.2M
25.20 mi15:39:114:19:1310:174:01
11:39
#22703
Finish
26.22 mi15:49:294:29:3110:1710:18
10:06
#22699
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi238329806980622382(Top 84%)9000(Top 79%)9000(Top 184%)
10K6.21 mi3.10 mi24044-2129921-1159921-11524201(Top 91%)9997(Top 88%)9997(Top 205%)
15K9.32 mi3.11 mi23555+4899643+2789643+27822382(Top 84%)9000(Top 79%)9000(Top 184%)
20K12.43 mi3.11 mi23215+3409462+1819462+18122155(Top 83%)8886(Top 78%)8886(Top 182%)
Half13.11 mi0.68 mi23190+259449+139449+1322878(Top 86%)9288(Top 81%)9288(Top 190%)
25K15.53 mi2.42 mi23211-219464-159464-1523288(Top 87%)9549(Top 84%)9549(Top 196%)
30K18.64 mi3.11 mi22999+2129378+869378+8622191(Top 83%)9007(Top 79%)9007(Top 184%)
20M20.00 mi1.36 mi22943+569368+109368+1022420(Top 84%)9209(Top 81%)9209(Top 189%)
21M21.00 mi1.00 mi22783+1609296+729296+7220076(Top 75%)7974(Top 70%)7974(Top 163%)
35K21.75 mi0.75 mi22791-89305-99305-922710(Top 85%)9428(Top 83%)9428(Top 193%)
23M23.00 mi1.25 mi22774+179309-49309-422549(Top 85%)9352(Top 82%)9352(Top 191%)
24M24.00 mi1.00 mi22756+189307+29307+222462(Top 84%)9345(Top 82%)9345(Top 191%)
40K24.85 mi0.85 mi22723+339292+159292+1521952(Top 82%)9129(Top 80%)9129(Top 187%)
25.2M25.20 mi0.35 mi22703+209286+69286+621892(Top 82%)9076(Top 79%)9076(Top 186%)
Finish26.22 mi1.02 mi22699+49290-49290-422067(Top 83%)9151(Top 80%)9151(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22382

Females

9000

F18-39

9000

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

24201

Females

9997

F18-39

9997

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22382

Females

9000

F18-39

9000

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

22155

Females

8886

F18-39

8886

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22878

Females

9288

F18-39

9288

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23288

Females

9549

F18-39

9549

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22191

Females

9007

F18-39

9007

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22420

Females

9209

F18-39

9209

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

20076

Females

7974

F18-39

7974

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22710

Females

9428

F18-39

9428

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

22549

Females

9352

F18-39

9352

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22462

Females

9345

F18-39

9345

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21952

Females

9129

F18-39

9129

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21892

Females

9076

F18-39

9076

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

22067

Females

9151

F18-39

9151

Passing Analysis

Category:
Athletes Passed
1823
Passed By
690
Net Change
+1133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23832
5K → 10K105317-212#23832#24044
10K → 15K4912+489#24044#23555
15K → 20K35515+340#23555#23215
20K → Half4116+25#23215#23190
Half → 25K100121-21#23190#23211
25K → 30K24129+212#23211#22999
30K → 20M8933+56#22999#22943
20M → 21M1633+160#22943#22783
21M → 35K2735-8#22783#22791
35K → 23M5740+17#22791#22774
23M → 24M4628+18#22774#22756
24M → 40K4714+33#22756#22723
40K → 25.2M266+20#22723#22703
25.2M → Finish3531+4#22703#22699
TOTALS1823690+1133
📊

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