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BOSTON MARATHON 2023

Jen Dowling

Bib: 29735•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
11:28/mi
35:36
↑ 97↓ 3451.5%
10K· 6.21 mi
11:16/mi
1:10:36
↑ 79↓ 1380.4%
15K· 9.32 mi
11:09/mi
1:45:15
↑ 67↓ 78
20K· 12.43 mi
10:35/mi
2:18:07
↑ 106↓ 860.1%
Half· 13.11 mi
10:29/mi
2:25:16
↑ 19↓ 370.5%
25K· 15.53 mi
10:53/mi
2:51:39
↑ 66↓ 880.2%
30K· 18.64 mi
10:22/mi
3:23:53
↑ 181↓ 1480.2%
20M
10:42/mi
3:38:26
↑ 64↓ 500.2%
21M
12:18/mi
3:50:44
↑ 106↓ 241.6%
35K· 21.75 mi
10:04/mi
3:58:16
↑ 17↓ 861.7%
23M
10:56/mi
4:11:57
↑ 23↓ 630.6%
24M
9:48/mi
4:21:45
↓ 821.3%
40K· 24.85 mi
11:37/mi
4:31:41
↓ 200.3%
25.2M
12:22/mi
4:35:57
↑ 13↓ 160.2%
Finish· 26.22 mi
9:43/mi
4:45:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:25:16
Pace11:05 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:20:35
Pace10:43 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:2735:3611:2835:36
11:28
-
10K
6.21 mi12:34:271:10:3611:2235:00
11:16
-0:12
15K
9.32 mi13:09:061:45:1511:1834:39
11:09
-0:07
20K
12.43 mi13:41:582:18:0711:0732:52
10:35
-0:34
Half
13.11 mi13:49:072:25:1611:057:09
10:29
-0:06
25K
15.53 mi14:15:302:51:3911:0326:23
10:53
+0:24
30K
18.64 mi14:47:443:23:5310:5632:14
10:22
-0:31
20M
20.00 mi15:02:173:38:2610:5514:33
10:42
+0:20
21M
21.00 mi15:14:353:50:4410:5912:18
12:18
+1:36
35K
21.75 mi15:22:073:58:1610:577:32
10:04
-2:14
23M
23.00 mi15:35:484:11:5710:5713:41
10:56
+0:52
24M
24.00 mi15:45:364:21:4510:549:48
9:48
-1:08
40K
24.85 mi15:55:324:31:4110:569:56
11:37
+1:49
25.2M
25.20 mi15:59:484:35:5710:574:16
12:22
+0:45
Finish
26.22 mi16:09:424:45:5110:559:54
9:43
-2:39

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

10:55 /mi

Slowest Pace

12:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:37

23% of race

Time at Steady Pace

2:37:08

55% of race

Time at Slower Pace

1:02:06

22% of race

Average Pace: 10:54 /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 mi11:59:2735:3611:2835:36
11:28
#26181
10K
6.21 mi12:34:271:10:3611:2235:00
11:16
#25983
15K
9.32 mi13:09:061:45:1511:1834:39
11:09
#25793
20K
12.43 mi13:41:582:18:0711:0732:52
10:35
#25383
Half
13.11 mi13:49:072:25:1611:057:09
10:29
#25329
25K
15.53 mi14:15:302:51:3911:0326:23
10:53
#25080
30K
18.64 mi14:47:443:23:5310:5632:14
10:22
#24569
20M
20.00 mi15:02:173:38:2610:5514:33
10:42
#24411
21M
21.00 mi15:14:353:50:4410:5912:18
12:18
#24333
35K
21.75 mi15:22:073:58:1610:577:32
10:04
#24237
23M
23.00 mi15:35:484:11:5710:5713:41
10:56
#24163
24M
24.00 mi15:45:364:21:4510:549:48
9:48
#24027
40K
24.85 mi15:55:324:31:4110:569:56
11:37
#24014
25.2M
25.20 mi15:59:484:35:5710:574:16
12:22
#24003
Finish
26.22 mi16:09:424:45:5110:559:54
9:43
#23922
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26181111651116525372(Top 95%)10668(Top 93%)10668(Top 218%)
10K6.21 mi3.10 mi25983+19811033+13211033+13225751(Top 97%)10880(Top 95%)10880(Top 223%)
15K9.32 mi3.11 mi25793+19010907+12610907+12625372(Top 95%)10668(Top 93%)10668(Top 218%)
20K12.43 mi3.11 mi25383+41010678+22910678+22923979(Top 90%)9894(Top 87%)9894(Top 203%)
Half13.11 mi0.68 mi25329+5410647+3110647+3124188(Top 91%)10025(Top 88%)10025(Top 205%)
25K15.53 mi2.42 mi25080+24910510+13710510+13723791(Top 89%)9841(Top 86%)9841(Top 201%)
30K18.64 mi3.11 mi24569+51110241+26910241+26921949(Top 82%)8879(Top 78%)8879(Top 182%)
20M20.00 mi1.36 mi24411+15810162+7910162+7922184(Top 83%)9087(Top 80%)9087(Top 186%)
21M21.00 mi1.00 mi24333+7810127+3510127+3523206(Top 87%)9659(Top 85%)9659(Top 198%)
35K21.75 mi0.75 mi24237+9610088+3910088+3921516(Top 81%)8782(Top 77%)8782(Top 180%)
23M23.00 mi1.25 mi24163+7410055+3310055+3322215(Top 83%)9178(Top 80%)9178(Top 188%)
24M24.00 mi1.00 mi24027+1369981+749981+7420258(Top 76%)8132(Top 71%)8132(Top 167%)
40K24.85 mi0.85 mi24014+139981998123401(Top 88%)9883(Top 87%)9883(Top 202%)
25.2M25.20 mi0.35 mi24003+119976+59976+523115(Top 87%)9731(Top 85%)9731(Top 199%)
Finish26.22 mi1.02 mi23922+819938+389938+3820872(Top 78%)8496(Top 74%)8496(Top 174%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

25372

Females

10668

F18-39

10668

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

25751

Females

10880

F18-39

10880

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

25372

Females

10668

F18-39

10668

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

23979

Females

9894

F18-39

9894

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

24188

Females

10025

F18-39

10025

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

23791

Females

9841

F18-39

9841

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21949

Females

8879

F18-39

8879

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

22184

Females

9087

F18-39

9087

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23206

Females

9659

F18-39

9659

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21516

Females

8782

F18-39

8782

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

22215

Females

9178

F18-39

9178

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20258

Females

8132

F18-39

8132

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23401

Females

9883

F18-39

9883

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23115

Females

9731

F18-39

9731

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20872

Females

8496

F18-39

8496

Passing Analysis

Category:
Athletes Passed
2349
Passed By
90
Net Change
+2259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26181
5K → 10K22022+198#26181#25983
10K → 15K20414+190#25983#25793
15K → 20K4111+410#25793#25383
20K → Half562+54#25383#25329
Half → 25K2512+249#25329#25080
25K → 30K5121+511#25080#24569
30K → 20M1602+158#24569#24411
20M → 21M9214+78#24411#24333
21M → 35K971+96#24333#24237
35K → 23M795+74#24237#24163
23M → 24M1360+136#24163#24027
24M → 40K3421+13#24027#24014
40K → 25.2M143+11#24014#24003
25.2M → Finish832+81#24003#23922
TOTALS234990+2259
📊

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