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BOSTON MARATHON 2023

Courtney Lemenze

Bib: 12901•F

SC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 8%
Division (F18-39)
#0 / 4884
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
22:24
Rank: #7569
Start → 5K
22:24 | 7:13/mi
10K· 6.21 mi
44:48
Rank: #7835 (-266)
5K → 10K
22:24 | 7:13/mi
15K· 9.32 mi
1:07:00
Rank: #7676 (+159)
10K → 15K
22:12 | 7:09/mi
20K· 12.43 mi
1:29:29
Rank: #7554 (+122)
15K → 20K
22:29 | 7:14/mi
Half· 13.11 mi
1:34:21
Rank: #7529 (+25)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:52:01
Rank: #7442 (+87)
Half → 25K
17:40 | 7:17/mi
30K· 18.64 mi
2:15:26
Rank: #7395 (+47)
25K → 30K
23:25 | 7:32/mi
20M
2:25:51
Rank: #7392 (+3)
30K → 20M
10:25 | 7:40/mi
21M
2:33:52
Rank: #7379 (+13)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:39:18
Rank: #7345 (+34)
21M → 35K
5:26 | 7:16/mi
23M
2:48:42
Rank: #7246 (+99)
35K → 23M
9:24 | 7:30/mi
24M
2:56:08
Rank: #7214 (+32)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
3:02:38
Rank: #7187 (+27)
24M → 40K
6:30 | 7:36/mi
25.2M
3:05:27
Rank: #7166 (+21)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:13:01
Rank: #7161 (+5)
25.2M → Finish
7:34 | 7:26/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:21
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:38:40
Pace7:32 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1322:247:1322:24
7:13
-
10K
6.21 mi11:12:3744:487:1322:24
7:13
0:00
15K
9.32 mi11:34:491:07:007:1122:12
7:09
-0:04
20K
12.43 mi11:57:181:29:297:1222:29
7:14
+0:05
Half
13.11 mi12:02:101:34:217:124:52
7:08
-0:06
25K
15.53 mi12:19:501:52:017:1317:40
7:17
+0:09
30K
18.64 mi12:43:152:15:267:1623:25
7:32
+0:15
20M
20.00 mi12:53:402:25:517:1810:25
7:40
+0:08
21M
21.00 mi13:01:412:33:527:208:01
8:01
+0:21
35K
21.75 mi13:07:072:39:187:195:26
7:16
-0:45
23M
23.00 mi13:16:312:48:427:209:24
7:30
+0:14
24M
24.00 mi13:23:572:56:087:207:26
7:26
-0:04
40K
24.85 mi13:30:273:02:387:216:30
7:36
+0:10
25.2M
25.20 mi13:33:163:05:277:222:49
8:10
+0:34
Finish
26.22 mi13:40:503:13:017:227:34
7:26
-0:44

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

7:08 /mi

Average Pace

7:22 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:02:11

94% of race

Time at Steady Pace

10:50

6% of race

Time at Slower Pace

0:00

0% 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:50:1322:247:1322:24
7:13
#7569
10K
6.21 mi11:12:3744:487:1322:24
7:13
#7835
15K
9.32 mi11:34:491:07:007:1122:12
7:09
#7676
20K
12.43 mi11:57:181:29:297:1222:29
7:14
#7554
Half
13.11 mi12:02:101:34:217:124:52
7:08
#7529
25K
15.53 mi12:19:501:52:017:1317:40
7:17
#7442
30K
18.64 mi12:43:152:15:267:1623:25
7:32
#7395
20M
20.00 mi12:53:402:25:517:1810:25
7:40
#7392
21M
21.00 mi13:01:412:33:527:208:01
8:01
#7379
35K
21.75 mi13:07:072:39:187:195:26
7:16
#7345
23M
23.00 mi13:16:312:48:427:209:24
7:30
#7246
24M
24.00 mi13:23:572:56:087:207:26
7:26
#7214
40K
24.85 mi13:30:273:02:387:216:30
7:36
#7187
25.2M
25.20 mi13:33:163:05:277:222:49
8:10
#7166
Finish
26.22 mi13:40:503:13:017:227:34
7:26
#7161
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi75698638637457(Top 28%)881(Top 8%)881(Top 18%)
10K6.21 mi3.10 mi7835-266960-97960-978185(Top 31%)1106(Top 10%)1106(Top 23%)
15K9.32 mi3.11 mi7676+159921+39921+397457(Top 28%)881(Top 8%)881(Top 18%)
20K12.43 mi3.11 mi7554+122899+22899+227353(Top 28%)886(Top 8%)886(Top 18%)
Half13.11 mi0.68 mi7529+25895+4895+47446(Top 28%)903(Top 8%)903(Top 18%)
25K15.53 mi2.42 mi7442+87875+20875+207228(Top 27%)916(Top 8%)916(Top 19%)
30K18.64 mi3.11 mi7395+47890-15890-157483(Top 28%)1101(Top 10%)1101(Top 23%)
20M20.00 mi1.36 mi7392+3912-22912-227948(Top 30%)1371(Top 12%)1371(Top 28%)
21M21.00 mi1.00 mi7379+13930-18930-187463(Top 28%)1294(Top 11%)1294(Top 26%)
35K21.75 mi0.75 mi7345+34933-3933-36935(Top 26%)1076(Top 9%)1076(Top 22%)
23M23.00 mi1.25 mi7246+99919+14919+146484(Top 24%)985(Top 9%)985(Top 20%)
24M24.00 mi1.00 mi7214+32929-10929-107278(Top 27%)1387(Top 12%)1387(Top 28%)
40K24.85 mi0.85 mi7187+27932-3932-37359(Top 28%)1498(Top 13%)1498(Top 31%)
25.2M25.20 mi0.35 mi7166+21937-5937-57534(Top 28%)1604(Top 14%)1604(Top 33%)
Finish26.22 mi1.02 mi7161+5966-29966-297980(Top 30%)1810(Top 16%)1810(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7457

Females

881

F18-39

881

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8185

Females

1106

F18-39

1106

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7457

Females

881

F18-39

881

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7353

Females

886

F18-39

886

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7446

Females

903

F18-39

903

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7228

Females

916

F18-39

916

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7483

Females

1101

F18-39

1101

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7948

Females

1371

F18-39

1371

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7463

Females

1294

F18-39

1294

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6935

Females

1076

F18-39

1076

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6484

Females

985

F18-39

985

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7278

Females

1387

F18-39

1387

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7359

Females

1498

F18-39

1498

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7534

Females

1604

F18-39

1604

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7980

Females

1810

F18-39

1810

Passing Analysis

Category:
Athletes Passed
1406
Passed By
998
Net Change
+408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7569
5K → 10K120386-266#7569#7835
10K → 15K22566+159#7835#7676
15K → 20K18260+122#7676#7554
20K → Half3914+25#7554#7529
Half → 25K11831+87#7529#7442
25K → 30K159112+47#7442#7395
30K → 20M7067+3#7395#7392
20M → 21M7158+13#7392#7379
21M → 35K5925+34#7379#7345
35K → 23M12122+99#7345#7246
23M → 24M6634+32#7246#7214
24M → 40K6639+27#7214#7187
40K → 25.2M3615+21#7187#7166
25.2M → Finish7469+5#7166#7161
TOTALS1406998+408
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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