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BOSTON MARATHON 2023

Kathryn Glenn

Bib: 11593•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 5%
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
7:03/mi
21:54
↑ 97↓ 3451.5%
10K· 6.21 mi
6:52/mi
43:14
↑ 79↓ 1380.4%
15K· 9.32 mi
6:54/mi
1:04:41
↑ 67↓ 78
20K· 12.43 mi
6:52/mi
1:26:02
↑ 106↓ 860.1%
Half· 13.11 mi
6:47/mi
1:30:40
↑ 19↓ 370.5%
25K· 15.53 mi
6:52/mi
1:47:20
↑ 66↓ 880.2%
30K· 18.64 mi
7:00/mi
2:09:04
↑ 181↓ 1480.2%
20M
6:56/mi
2:18:29
↑ 64↓ 500.2%
21M
7:14/mi
2:25:43
↑ 106↓ 241.6%
35K· 21.75 mi
6:42/mi
2:30:44
↑ 17↓ 861.7%
23M
6:51/mi
2:39:18
↑ 23↓ 630.6%
24M
6:33/mi
2:45:51
↓ 821.3%
40K· 24.85 mi
6:32/mi
2:51:26
↓ 200.3%
25.2M
6:55/mi
2:53:49
↑ 13↓ 160.2%
Finish· 26.22 mi
6:03/mi
2:59:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:30:40
Pace6:55 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:29:19
Pace6:49 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4421:547:0321:54
7:03
-
10K
6.21 mi11:10:0443:146:5721:20
6:52
-0:11
15K
9.32 mi11:31:311:04:416:5621:27
6:54
+0:02
20K
12.43 mi11:52:521:26:026:5521:21
6:52
-0:02
Half
13.11 mi11:57:301:30:406:554:38
6:47
-0:05
25K
15.53 mi12:14:101:47:206:5516:40
6:52
+0:05
30K
18.64 mi12:35:542:09:046:5521:44
7:00
+0:08
20M
20.00 mi12:45:192:18:296:559:25
6:56
-0:04
21M
21.00 mi12:52:332:25:436:567:14
7:14
+0:18
35K
21.75 mi12:57:342:30:446:565:01
6:42
-0:32
23M
23.00 mi13:06:082:39:186:568:34
6:51
+0:09
24M
24.00 mi13:12:412:45:516:556:33
6:33
-0:18
40K
24.85 mi13:18:162:51:266:545:35
6:32
-0:01
25.2M
25.20 mi13:20:392:53:496:542:23
6:55
+0:23
Finish
26.22 mi13:26:492:59:596:526:10
6:03
-0:52

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

6:03 /mi

Average Pace

6:52 /mi

Slowest Pace

7:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:18

10% of race

Time at Steady Pace

2:34:27

86% of race

Time at Slower Pace

7:14

4% of race

Average Pace: 6:52 /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 mi10:48:4421:547:0321:54
7:03
#6563
10K
6.21 mi11:10:0443:146:5721:20
6:52
#6262
15K
9.32 mi11:31:311:04:416:5621:27
6:54
#6127
20K
12.43 mi11:52:521:26:026:5521:21
6:52
#5851
Half
13.11 mi11:57:301:30:406:554:38
6:47
#5819
25K
15.53 mi12:14:101:47:206:5516:40
6:52
#5652
30K
18.64 mi12:35:542:09:046:5521:44
7:00
#5354
20M
20.00 mi12:45:192:18:296:559:25
6:56
#5185
21M
21.00 mi12:52:332:25:436:567:14
7:14
#5018
35K
21.75 mi12:57:342:30:446:565:01
6:42
#4949
23M
23.00 mi13:06:082:39:186:568:34
6:51
#4758
24M
24.00 mi13:12:412:45:516:556:33
6:33
#4613
40K
24.85 mi13:18:162:51:266:545:35
6:32
#4462
25.2M
25.20 mi13:20:392:53:496:542:23
6:55
#4395
Finish
26.22 mi13:26:492:59:596:526:10
6:03
#4190
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi65636186185989(Top 22%)526(Top 5%)526(Top 11%)
10K6.21 mi3.10 mi6262+301567+51567+515895(Top 22%)508(Top 4%)508(Top 10%)
15K9.32 mi3.11 mi6127+135542+25542+255989(Top 22%)526(Top 5%)526(Top 11%)
20K12.43 mi3.11 mi5851+276480+62480+625145(Top 19%)382(Top 3%)382(Top 8%)
Half13.11 mi0.68 mi5819+32473+7473+75269(Top 20%)391(Top 3%)391(Top 8%)
25K15.53 mi2.42 mi5652+167447+26447+264786(Top 18%)344(Top 3%)344(Top 7%)
30K18.64 mi3.11 mi5354+298408+39408+394325(Top 16%)301(Top 3%)301(Top 6%)
20M20.00 mi1.36 mi5185+169385+23385+233626(Top 14%)241(Top 2%)241(Top 5%)
21M21.00 mi1.00 mi5018+167369+16369+163305(Top 12%)224(Top 2%)224(Top 5%)
35K21.75 mi0.75 mi4949+69364+5364+53652(Top 14%)269(Top 2%)269(Top 6%)
23M23.00 mi1.25 mi4758+191335+29335+292933(Top 11%)194(Top 2%)194(Top 4%)
24M24.00 mi1.00 mi4613+145315+20315+202352(Top 9%)154(Top 1%)154(Top 3%)
40K24.85 mi0.85 mi4462+151298+17298+171690(Top 6%)102(Top 0.9%)102(Top 2%)
25.2M25.20 mi0.35 mi4395+67292+6292+61543(Top 6%)92(Top 0.8%)92(Top 2%)
Finish26.22 mi1.02 mi4190+205272+20272+20878(Top 3%)40(Top 0.4%)40(Top 0.8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

5989

Females

526

F18-39

526

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

5895

Females

508

F18-39

508

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

5989

Females

526

F18-39

526

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

5145

Females

382

F18-39

382

20K→Half

12.4 - 13.1 mi

Top 20%
×2story building
+19ft-37ft

Overall

5269

Females

391

F18-39

391

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4786

Females

344

F18-39

344

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4325

Females

301

F18-39

301

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3626

Females

241

F18-39

241

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3305

Females

224

F18-39

224

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3652

Females

269

F18-39

269

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

2933

Females

194

F18-39

194

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2352

Females

154

F18-39

154

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1690

Females

102

F18-39

102

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1543

Females

92

F18-39

92

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

878

Females

40

F18-39

40

Passing Analysis

Category:
Athletes Passed
2580
Passed By
207
Net Change
+2373
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6563
5K → 10K38382+301#6563#6262
10K → 15K18954+135#6262#6127
15K → 20K28812+276#6127#5851
20K → Half408+32#5851#5819
Half → 25K1736+167#5819#5652
25K → 30K31618+298#5652#5354
30K → 20M18112+169#5354#5185
20M → 21M1692+167#5185#5018
21M → 35K734+69#5018#4949
35K → 23M1965+191#4949#4758
23M → 24M1472+145#4758#4613
24M → 40K1521+151#4613#4462
40K → 25.2M681+67#4462#4395
25.2M → Finish2050+205#4395#4190
TOTALS2580207+2373
📊

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