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BOSTON MARATHON 2023

Jeannette Smith

Bib: 12497•F

VA

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
9:12/mi
28:34
↑ 97↓ 3451.5%
10K· 6.21 mi
9:31/mi
58:09
↑ 79↓ 1380.4%
15K· 9.32 mi
9:59/mi
1:29:10
↑ 67↓ 78
20K· 12.43 mi
10:44/mi
2:02:32
↑ 106↓ 860.1%
Half· 13.11 mi
9:48/mi
2:09:13
↑ 19↓ 370.5%
25K· 15.53 mi
11:28/mi
2:37:00
↑ 66↓ 880.2%
30K· 18.64 mi
11:51/mi
3:13:49
↑ 181↓ 1480.2%
20M
11:55/mi
3:30:00
↑ 64↓ 500.2%
21M
13:46/mi
3:43:46
↑ 106↓ 241.6%
35K· 21.75 mi
12:29/mi
3:53:06
↑ 17↓ 861.7%
23M
13:25/mi
4:09:54
↑ 23↓ 630.6%
24M
12:31/mi
4:22:25
↓ 821.3%
40K· 24.85 mi
12:25/mi
4:33:02
↓ 200.3%
25.2M
13:44/mi
4:37:46
↑ 13↓ 160.2%
Finish· 26.22 mi
10:54/mi
4:48:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:13
Pace9:51 /mi
2nd Half
Distance13.11 mi
Time2:39:39
Pace12:11 /mi
📊Positive Split: 23.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0128:349:1228:34
9:12
-
10K
6.21 mi11:25:3658:099:2229:35
9:31
+0:19
15K
9.32 mi11:56:371:29:109:3431:01
9:59
+0:28
20K
12.43 mi12:29:592:02:329:5233:22
10:44
+0:45
Half
13.11 mi12:36:402:09:139:516:41
9:48
-0:56
25K
15.53 mi13:04:272:37:0010:0627:47
11:28
+1:40
30K
18.64 mi13:41:163:13:4910:2436:49
11:51
+0:23
20M
20.00 mi13:57:273:30:0010:3016:11
11:55
+0:04
21M
21.00 mi14:11:133:43:4610:3913:46
13:46
+1:51
35K
21.75 mi14:20:333:53:0610:439:20
12:29
-1:17
23M
23.00 mi14:37:214:09:5410:5216:48
13:25
+0:56
24M
24.00 mi14:49:524:22:2510:5612:31
12:31
-0:54
40K
24.85 mi15:00:294:33:0210:5910:37
12:25
-0:06
25.2M
25.20 mi15:05:134:37:4611:014:44
13:44
+1:19
Finish
26.22 mi15:16:194:48:5211:0211:06
10:54
-2:50

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

9:12 /mi

Average Pace

11:02 /mi

Slowest Pace

13:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:19

49% of race

Time at Steady Pace

1:53:15

39% of race

Time at Slower Pace

35:18

12% of race

Average Pace: 11:01 /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 mi10:56:0128:349:1228:34
9:12
#21202
10K
6.21 mi11:25:3658:099:2229:35
9:31
#21916
15K
9.32 mi11:56:371:29:109:3431:01
9:59
#22509
20K
12.43 mi12:29:592:02:329:5233:22
10:44
#23102
Half
13.11 mi12:36:402:09:139:516:41
9:48
#23064
25K
15.53 mi13:04:272:37:0010:0627:47
11:28
#23440
30K
18.64 mi13:41:163:13:4910:2436:49
11:51
#23605
20M
20.00 mi13:57:273:30:0010:3016:11
11:55
#23644
21M
21.00 mi14:11:133:43:4610:3913:46
13:46
#23773
35K
21.75 mi14:20:333:53:0610:439:20
12:29
#23859
23M
23.00 mi14:37:214:09:5410:5216:48
13:25
#24016
24M
24.00 mi14:49:524:22:2510:5612:31
12:31
#24079
40K
24.85 mi15:00:294:33:0210:5910:37
12:25
#24080
25.2M
25.20 mi15:05:134:37:4611:014:44
13:44
#24095
Finish
26.22 mi15:16:194:48:5211:0211:06
10:54
#24102
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi212028477847723476(Top 88%)9597(Top 84%)9597(Top 511%)
10K6.21 mi3.10 mi21916-7148805-3288805-32822584(Top 85%)9133(Top 80%)9133(Top 486%)
15K9.32 mi3.11 mi22509-5939097-2929097-29223476(Top 88%)9597(Top 84%)9597(Top 511%)
20K12.43 mi3.11 mi23102-5939403-3069403-30624231(Top 91%)10051(Top 88%)10051(Top 535%)
Half13.11 mi0.68 mi23064+389385+189385+1822892(Top 86%)9302(Top 81%)9302(Top 495%)
25K15.53 mi2.42 mi23440-3769590-2059590-20524607(Top 92%)10289(Top 90%)10289(Top 548%)
30K18.64 mi3.11 mi23605-1659702-1129702-11224323(Top 91%)10178(Top 89%)10178(Top 542%)
20M20.00 mi1.36 mi23644-399734-329734-3224094(Top 91%)10130(Top 89%)10130(Top 539%)
21M21.00 mi1.00 mi23773-1299813-799813-7924844(Top 93%)10525(Top 92%)10525(Top 560%)
35K21.75 mi0.75 mi23859-869866-539866-5325153(Top 94%)10735(Top 94%)10735(Top 572%)
23M23.00 mi1.25 mi24016-1579969-1039969-10325455(Top 96%)10872(Top 95%)10872(Top 579%)
24M24.00 mi1.00 mi24079-6310013-4410013-4425064(Top 94%)10719(Top 94%)10719(Top 571%)
40K24.85 mi0.85 mi24080-110024-1110024-1124354(Top 91%)10369(Top 91%)10369(Top 552%)
25.2M25.20 mi0.35 mi24095-1510036-1210036-1224768(Top 93%)10573(Top 93%)10573(Top 563%)
Finish26.22 mi1.02 mi24102-710041-510041-523785(Top 89%)10049(Top 88%)10049(Top 535%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23476

Females

9597

F40-44

9597

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22584

Females

9133

F40-44

9133

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23476

Females

9597

F40-44

9597

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24231

Females

10051

F40-44

10051

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22892

Females

9302

F40-44

9302

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24607

Females

10289

F40-44

10289

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

24323

Females

10178

F40-44

10178

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

24094

Females

10130

F40-44

10130

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

24844

Females

10525

F40-44

10525

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

25153

Females

10735

F40-44

10735

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

25455

Females

10872

F40-44

10872

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

25064

Females

10719

F40-44

10719

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24354

Females

10369

F40-44

10369

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24768

Females

10573

F40-44

10573

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23785

Females

10049

F40-44

10049

Passing Analysis

Category:
Athletes Passed
369
Passed By
3269
Net Change
-2900
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21202
5K → 10K51765-714#21202#21916
10K → 15K39632-593#21916#22509
15K → 20K25618-593#22509#23102
20K → Half5012+38#23102#23064
Half → 25K17393-376#23064#23440
25K → 30K48213-165#23440#23605
30K → 20M4685-39#23605#23644
20M → 21M14143-129#23644#23773
21M → 35K591-86#23773#23859
35K → 23M7164-157#23859#24016
23M → 24M972-63#24016#24079
24M → 40K2930-1#24079#24080
40K → 25.2M520-15#24080#24095
25.2M → Finish2431-7#24095#24102
TOTALS3693269-2900
📊

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