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BOSTON MARATHON 2023

Marcia Glickman

Bib: 24929•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:34
Rank: #23847
Start → 5K
31:34 | 10:10/mi
10K· 6.21 mi
1:03:45
Rank: #24180 (-333)
5K → 10K
32:11 | 10:22/mi
15K· 9.32 mi
1:35:33
Rank: #24122 (+58)
10K → 15K
31:48 | 10:14/mi
20K· 12.43 mi
2:07:15
Rank: #23895 (+227)
15K → 20K
31:42 | 10:12/mi
Half· 13.11 mi
2:14:13
Rank: #23877 (+18)
20K → Half
6:58 | 10:13/mi
25K· 15.53 mi
2:39:47
Rank: #23745 (+132)
Half → 25K
25:34 | 10:33/mi
30K· 18.64 mi
3:13:19
Rank: #23565 (+180)
25K → 30K
33:32 | 10:48/mi
20M
3:28:06
Rank: #23491 (+74)
30K → 20M
14:47 | 10:53/mi
21M
3:39:50
Rank: #23427 (+64)
20M → 21M
11:44 | 11:44/mi
35K· 21.75 mi
3:47:38
Rank: #23397 (+30)
21M → 35K
7:48 | 10:26/mi
23M
4:01:06
Rank: #23303 (+94)
35K → 23M
13:28 | 10:45/mi
24M
4:11:52
Rank: #23279 (+24)
23M → 24M
10:46 | 10:46/mi
40K· 24.85 mi
4:21:12
Rank: #23236 (+43)
24M → 40K
9:20 | 10:55/mi
25.2M
4:25:01
Rank: #23191 (+45)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:35:05
Rank: #23129 (+62)
25.2M → Finish
10:04 | 9:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:13
Pace10:14 /mi
2nd Half
Distance13.11 mi
Time2:20:52
Pace10:45 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:1731:3410:1031:34
10:10
-
10K
6.21 mi12:24:281:03:4510:1632:11
10:22
+0:12
15K
9.32 mi12:56:161:35:3310:1531:48
10:14
-0:08
20K
12.43 mi13:27:582:07:1510:1431:42
10:12
-0:02
Half
13.11 mi13:34:562:14:1310:146:58
10:13
+0:01
25K
15.53 mi14:00:302:39:4710:1725:34
10:33
+0:20
30K
18.64 mi14:34:023:13:1910:2233:32
10:48
+0:15
20M
20.00 mi14:48:493:28:0610:2414:47
10:53
+0:05
21M
21.00 mi15:00:333:39:5010:2811:44
11:44
+0:51
35K
21.75 mi15:08:213:47:3810:287:48
10:26
-1:18
23M
23.00 mi15:21:494:01:0610:2913:28
10:45
+0:19
24M
24.00 mi15:32:354:11:5210:3010:46
10:46
+0:01
40K
24.85 mi15:41:554:21:1210:319:20
10:55
+0:09
25.2M
25.20 mi15:45:444:25:0110:313:49
11:04
+0:09
Finish
26.22 mi15:55:484:35:0510:3010:04
9:53
-1:11

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

9:53 /mi

Average Pace

10:30 /mi

Slowest Pace

11:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:55:25

86% of race

Time at Steady Pace

27:56

10% of race

Time at Slower Pace

11:44

4% of race

Average Pace: 10:29 /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 mi11:52:1731:3410:1031:34
10:10
#23847
10K
6.21 mi12:24:281:03:4510:1632:11
10:22
#24180
15K
9.32 mi12:56:161:35:3310:1531:48
10:14
#24122
20K
12.43 mi13:27:582:07:1510:1431:42
10:12
#23895
Half
13.11 mi13:34:562:14:1310:146:58
10:13
#23877
25K
15.53 mi14:00:302:39:4710:1725:34
10:33
#23745
30K
18.64 mi14:34:023:13:1910:2233:32
10:48
#23565
20M
20.00 mi14:48:493:28:0610:2414:47
10:53
#23491
21M
21.00 mi15:00:333:39:5010:2811:44
11:44
#23427
35K
21.75 mi15:08:213:47:3810:287:48
10:26
#23397
23M
23.00 mi15:21:494:01:0610:2913:28
10:45
#23303
24M
24.00 mi15:32:354:11:5210:3010:46
10:46
#23279
40K
24.85 mi15:41:554:21:1210:319:20
10:55
#23236
25.2M
25.20 mi15:45:444:25:0110:313:49
11:04
#23191
Finish
26.22 mi15:55:484:35:0510:3010:04
9:53
#23129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi238479814981423963(Top 90%)9874(Top 86%)9874(Top 1212%)
10K6.21 mi3.10 mi24180-3339985-1719985-17124416(Top 92%)10121(Top 89%)10121(Top 1242%)
15K9.32 mi3.11 mi24122+589956+299956+2923963(Top 90%)9874(Top 86%)9874(Top 1212%)
20K12.43 mi3.11 mi23895+2279828+1289828+12823299(Top 88%)9513(Top 83%)9513(Top 1167%)
Half13.11 mi0.68 mi23877+189818+109818+1023694(Top 89%)9736(Top 85%)9736(Top 1195%)
25K15.53 mi2.42 mi23745+1329762+569762+5623269(Top 87%)9538(Top 83%)9538(Top 1170%)
30K18.64 mi3.11 mi23565+1809678+849678+8422783(Top 86%)9343(Top 82%)9343(Top 1146%)
20M20.00 mi1.36 mi23491+749653+259653+2522492(Top 84%)9248(Top 81%)9248(Top 1135%)
21M21.00 mi1.00 mi23427+649626+279626+2722301(Top 84%)9166(Top 80%)9166(Top 1125%)
35K21.75 mi0.75 mi23397+309617+99617+922250(Top 84%)9191(Top 80%)9191(Top 1128%)
23M23.00 mi1.25 mi23303+949580+379580+3721890(Top 82%)9014(Top 79%)9014(Top 1106%)
24M24.00 mi1.00 mi23279+249568+129568+1222618(Top 85%)9432(Top 83%)9432(Top 1157%)
40K24.85 mi0.85 mi23236+439562+69562+622195(Top 83%)9239(Top 81%)9239(Top 1134%)
25.2M25.20 mi0.35 mi23191+459541+219541+2120653(Top 78%)8414(Top 74%)8414(Top 1032%)
Finish26.22 mi1.02 mi23129+629515+269515+2621436(Top 81%)8811(Top 77%)8811(Top 1081%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

23963

Females

9874

F55-59

9874

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24416

Females

10121

F55-59

10121

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

23963

Females

9874

F55-59

9874

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

23299

Females

9513

F55-59

9513

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

23694

Females

9736

F55-59

9736

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23269

Females

9538

F55-59

9538

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

22783

Females

9343

F55-59

9343

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22492

Females

9248

F55-59

9248

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22301

Females

9166

F55-59

9166

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

22250

Females

9191

F55-59

9191

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21890

Females

9014

F55-59

9014

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22618

Females

9432

F55-59

9432

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22195

Females

9239

F55-59

9239

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20653

Females

8414

F55-59

8414

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21436

Females

8811

F55-59

8811

Passing Analysis

Category:
Athletes Passed
1413
Passed By
695
Net Change
+718
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23847
5K → 10K67400-333#23847#24180
10K → 15K15597+58#24180#24122
15K → 20K25528+227#24122#23895
20K → Half3012+18#23895#23877
Half → 25K16028+132#23877#23745
25K → 30K20323+180#23745#23565
30K → 20M9117+74#23565#23491
20M → 21M7814+64#23491#23427
21M → 35K4313+30#23427#23397
35K → 23M1017+94#23397#23303
23M → 24M4420+24#23303#23279
24M → 40K6421+43#23279#23236
40K → 25.2M505+45#23236#23191
25.2M → Finish7210+62#23191#23129
TOTALS1413695+718
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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