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BOSTON MARATHON 2023

Mary Howell

Bib: 29843•F

SC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
11:20/mi
35:12
↑ 97↓ 3451.5%
10K· 6.21 mi
10:58/mi
1:09:16
↑ 79↓ 1380.4%
15K· 9.32 mi
11:03/mi
1:43:36
↑ 67↓ 78
20K· 12.43 mi
11:20/mi
2:18:48
↑ 106↓ 860.1%
Half· 13.11 mi
11:08/mi
2:26:24
↑ 19↓ 370.5%
25K· 15.53 mi
11:19/mi
2:53:51
↑ 66↓ 880.2%
30K· 18.64 mi
11:17/mi
3:28:53
↑ 181↓ 1480.2%
20M
11:27/mi
3:44:27
↑ 64↓ 500.2%
21M
12:15/mi
3:56:42
↑ 106↓ 241.6%
35K· 21.75 mi
11:31/mi
4:05:19
↑ 17↓ 861.7%
23M
11:27/mi
4:19:39
↑ 23↓ 630.6%
24M
11:15/mi
4:30:54
↓ 821.3%
40K· 24.85 mi
11:36/mi
4:40:49
↓ 200.3%
25.2M
12:19/mi
4:45:04
↑ 13↓ 160.2%
Finish· 26.22 mi
10:38/mi
4:55:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:26:24
Pace11:10 /mi
2nd Half
Distance13.11 mi
Time2:29:30
Pace11:24 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2735:1211:2035:12
11:20
-
10K
6.21 mi12:27:311:09:1611:0934:04
10:58
-0:22
15K
9.32 mi13:01:511:43:3611:0734:20
11:03
+0:05
20K
12.43 mi13:37:032:18:4811:1035:12
11:20
+0:17
Half
13.11 mi13:44:392:26:2411:107:36
11:08
-0:12
25K
15.53 mi14:12:062:53:5111:1127:27
11:19
+0:11
30K
18.64 mi14:47:083:28:5311:1235:02
11:17
-0:02
20M
20.00 mi15:02:423:44:2711:1315:34
11:27
+0:10
21M
21.00 mi15:14:573:56:4211:1612:15
12:15
+0:48
35K
21.75 mi15:23:344:05:1911:178:37
11:31
-0:44
23M
23.00 mi15:37:544:19:3911:1714:20
11:27
-0:04
24M
24.00 mi15:49:094:30:5411:1711:15
11:15
-0:12
40K
24.85 mi15:59:044:40:4911:189:55
11:36
+0:21
25.2M
25.20 mi16:03:194:45:0411:194:15
12:19
+0:43
Finish
26.22 mi16:14:094:55:5411:1810:50
10:38
-1:41

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

10:38 /mi

Average Pace

11:18 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:39:24

94% of race

Time at Steady Pace

16:30

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:17 /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 mi11:53:2735:1211:2035:12
11:20
#26068
10K
6.21 mi12:27:311:09:1611:0934:04
10:58
#25771
15K
9.32 mi13:01:511:43:3611:0734:20
11:03
#25594
20K
12.43 mi13:37:032:18:4811:1035:12
11:20
#25444
Half
13.11 mi13:44:392:26:2411:107:36
11:08
#25426
25K
15.53 mi14:12:062:53:5111:1127:27
11:19
#25261
30K
18.64 mi14:47:083:28:5311:1235:02
11:17
#24975
20M
20.00 mi15:02:423:44:2711:1315:34
11:27
#24863
21M
21.00 mi15:14:573:56:4211:1612:15
12:15
#24788
35K
21.75 mi15:23:344:05:1911:178:37
11:31
#24771
23M
23.00 mi15:37:544:19:3911:1714:20
11:27
#24683
24M
24.00 mi15:49:094:30:5411:1711:15
11:15
#24654
40K
24.85 mi15:59:044:40:4911:189:55
11:36
#24602
25.2M
25.20 mi16:03:194:45:0411:194:15
12:19
#24586
Finish
26.22 mi16:14:094:55:5411:1810:50
10:38
#24562
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi26068110931109325266(Top 95%)10610(Top 93%)10610(Top 565%)
10K6.21 mi3.10 mi25771+29710904+18910904+18925426(Top 96%)10684(Top 94%)10684(Top 569%)
15K9.32 mi3.11 mi25594+17710792+11210792+11225266(Top 95%)10610(Top 93%)10610(Top 565%)
20K12.43 mi3.11 mi25444+15010713+7910713+7925038(Top 94%)10504(Top 92%)10504(Top 559%)
Half13.11 mi0.68 mi25426+1810704+910704+925137(Top 94%)10568(Top 93%)10568(Top 563%)
25K15.53 mi2.42 mi25261+16510619+8510619+8524442(Top 92%)10199(Top 89%)10199(Top 543%)
30K18.64 mi3.11 mi24975+28610471+14810471+14823540(Top 88%)9755(Top 85%)9755(Top 519%)
20M20.00 mi1.36 mi24863+11210422+4910422+4923469(Top 88%)9771(Top 86%)9771(Top 520%)
21M21.00 mi1.00 mi24788+7510382+4010382+4023135(Top 87%)9617(Top 84%)9617(Top 512%)
35K21.75 mi0.75 mi24771+1710377+510377+524137(Top 91%)10204(Top 89%)10204(Top 543%)
23M23.00 mi1.25 mi24683+8810336+4110336+4123171(Top 87%)9682(Top 85%)9682(Top 516%)
24M24.00 mi1.00 mi24654+2910331+510331+523519(Top 88%)9908(Top 87%)9908(Top 528%)
40K24.85 mi0.85 mi24602+5210311+2010311+2023366(Top 88%)9862(Top 86%)9862(Top 525%)
25.2M25.20 mi0.35 mi24586+1610309+210309+223049(Top 87%)9695(Top 85%)9695(Top 516%)
Finish26.22 mi1.02 mi24562+2410297+1210297+1223296(Top 88%)9803(Top 86%)9803(Top 522%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

25266

Females

10610

F40-44

10610

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25426

Females

10684

F40-44

10684

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

25266

Females

10610

F40-44

10610

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

25038

Females

10504

F40-44

10504

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

25137

Females

10568

F40-44

10568

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24442

Females

10199

F40-44

10199

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23540

Females

9755

F40-44

9755

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23469

Females

9771

F40-44

9771

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23135

Females

9617

F40-44

9617

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24137

Females

10204

F40-44

10204

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23171

Females

9682

F40-44

9682

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23519

Females

9908

F40-44

9908

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23366

Females

9862

F40-44

9862

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23049

Females

9695

F40-44

9695

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23296

Females

9803

F40-44

9803

Passing Analysis

Category:
Athletes Passed
1652
Passed By
146
Net Change
+1506
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26068
5K → 10K31821+297#26068#25771
10K → 15K20124+177#25771#25594
15K → 20K17020+150#25594#25444
20K → Half268+18#25444#25426
Half → 25K1716+165#25426#25261
25K → 30K2871+286#25261#24975
30K → 20M1164+112#24975#24863
20M → 21M805+75#24863#24788
21M → 35K247+17#24788#24771
35K → 23M9810+88#24771#24683
23M → 24M4516+29#24683#24654
24M → 40K608+52#24654#24602
40K → 25.2M226+16#24602#24586
25.2M → Finish3410+24#24586#24562
TOTALS1652146+1506
📊

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