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BOSTON MARATHON 2023

Jennifer Bouchard

MA

Bib: 31012 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:09/mi
31:31
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:54/mi
1:02:17
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:26/mi
1:34:42
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:08/mi
2:06:11
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:43/mi
2:12:49
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:21/mi
2:37:55
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:04/mi
3:12:17
↑ 181↓ 1480.2%
138 ft elev
20M
10:39/mi
3:26:46
↑ 64↓ 500.2%
148 ft elev
21M
12:10/mi
3:38:56
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:52/mi
3:47:04
↑ 17↓ 861.7%
156 ft elev
23M
11:03/mi
4:00:54
↑ 23↓ 630.6%
116 ft elev
24M
10:55/mi
4:11:49
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:24/mi
4:21:34
↓ 200.3%
20 ft elev
25.2M
11:50/mi
4:25:39
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:26/mi
4:36:17
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:12:4910:08 /mi⚡ faster
2nd Half
2:23:2810:57 /mi+8.0%
Positive split — 8.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0331:3110:0931:31
10:09
-
10K
6.21 mi12:22:491:02:1710:0130:46
9:54
-0:15
15K
9.32 mi12:55:141:34:4210:1032:25
10:26
+0:32
20K
12.43 mi13:26:432:06:1110:0931:29
10:08
-0:18
Half
13.11 mi13:33:212:12:4910:086:38
9:43
-0:25
25K
15.53 mi13:58:272:37:5510:1025:06
10:21
+0:38
30K
18.64 mi14:32:493:12:1710:1934:22
11:04
+0:43
20M
20.00 mi14:47:183:26:4610:2014:29
10:39
-0:25
21M
21.00 mi14:59:283:38:5610:2612:10
12:10
+1:31
35K
21.75 mi15:07:363:47:0410:268:08
10:52
-1:18
23M
23.00 mi15:21:264:00:5410:2813:50
11:03
+0:11
24M
24.00 mi15:32:214:11:4910:3010:55
10:55
-0:08
40K
24.85 mi15:42:064:21:3410:319:45
11:24
+0:29
25.2M
25.20 mi15:46:114:25:3910:334:05
11:50
+0:26
Finish
26.22 mi15:56:494:36:1710:3310:38
10:26
-1:24

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

9:43 /mi

Average Pace

10:33 /mi

Slowest Pace

12:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:40:24

36% of race

Time at Steady Pace

1:41:41

37% of race

Time at Slower Pace

1:14:12

27% of race

Average Pace: 10:32 /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 mi11:52:0331:3110:0931:31
10:09
#23798
10K
6.21 mi12:22:491:02:1710:0130:46
9:54
#23673
15K
9.32 mi12:55:141:34:4210:1032:25
10:26
#23926
20K
12.43 mi13:26:432:06:1110:0931:29
10:08
#23744
Half
13.11 mi13:33:212:12:4910:086:38
9:43
#23683
25K
15.53 mi13:58:272:37:5510:1025:06
10:21
#23539
30K
18.64 mi14:32:493:12:1710:1934:22
11:04
#23473
20M
20.00 mi14:47:183:26:4610:2014:29
10:39
#23363
21M
21.00 mi14:59:283:38:5610:2612:10
12:10
#23354
35K
21.75 mi15:07:363:47:0410:268:08
10:52
#23332
23M
23.00 mi15:21:264:00:5410:2813:50
11:03
#23270
24M
24.00 mi15:32:214:11:4910:3010:55
10:55
#23274
40K
24.85 mi15:42:064:21:3410:319:45
11:24
#23276
25.2M
25.20 mi15:46:114:25:3910:334:05
11:50
#23251
Finish
26.22 mi15:56:494:36:1710:3310:38
10:26
#23227
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi2379897919791243381008210082
10K6.21 mi3.10 mi23673+1259711+809711+802349696239623
15K9.32 mi3.11 mi23926-2539848-1379848-137243381008210082
20K12.43 mi3.11 mi23744+1829743+1059743+1052317094399439
Half13.11 mi0.68 mi23683+619713+309713+302273092069206
25K15.53 mi2.42 mi23539+1449645+689645+682293793579357
30K18.64 mi3.11 mi23473+669628+179628+172319095639563
20M20.00 mi1.36 mi23363+1109581+479581+472207590259025
21M21.00 mi1.00 mi23354+99589-89589-82299895519551
35K21.75 mi0.75 mi23332+229583+69583+62307996339633
23M23.00 mi1.25 mi23270+629562+219562+212243392879287
24M24.00 mi1.00 mi23274-49566-49566-42289595789578
40K24.85 mi0.85 mi23276-29580-149580-142307196989698
25.2M25.20 mi0.35 mi23251+259573+79573+72224092609260
Finish26.22 mi1.02 mi23227+249568+59568+52288095919591

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24338

Females

10082

F45-49

10082

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23496

Females

9623

F45-49

9623

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24338

Females

10082

F45-49

10082

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

23170

Females

9439

F45-49

9439

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22730

Females

9206

F45-49

9206

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22937

Females

9357

F45-49

9357

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23190

Females

9563

F45-49

9563

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

22075

Females

9025

F45-49

9025

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

22998

Females

9551

F45-49

9551

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23079

Females

9633

F45-49

9633

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

22433

Females

9287

F45-49

9287

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22895

Females

9578

F45-49

9578

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23071

Females

9698

F45-49

9698

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22240

Females

9260

F45-49

9260

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

22880

Females

9591

F45-49

9591

Passing Analysis

Category:
Athletes Passed
1324
Passed By
753
Net Change
+571
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23798
5K → 10K273148+125#23798#23673
10K → 15K44297-253#23673#23926
15K → 20K21432+182#23926#23744
20K → Half621+61#23744#23683
Half → 25K17531+144#23683#23539
25K → 30K13064+66#23539#23473
30K → 20M1199+110#23473#23363
20M → 21M5243+9#23363#23354
21M → 35K3715+22#23354#23332
35K → 23M7715+62#23332#23270
23M → 24M2832-4#23270#23274
24M → 40K3840-2#23274#23276
40K → 25.2M349+25#23276#23251
25.2M → Finish4117+24#23251#23227
TOTALS1324753+571

Passing Charts

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