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BOSTON MARATHON 2023

Abby Bahlau

Bib: 15592•F

MD

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 24%
Division (F18-39)
#0 / 4884
Top 40%
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
8:00/mi
24:52
↑ 97↓ 3451.5%
10K· 6.21 mi
8:01/mi
49:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:14:32
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:39:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:44:39
↑ 19↓ 370.5%
25K· 15.53 mi
7:57/mi
2:03:55
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:28:47
↑ 181↓ 1480.2%
20M
7:51/mi
2:39:27
↑ 64↓ 500.2%
21M
8:02/mi
2:47:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:53:09
↑ 17↓ 861.7%
23M
7:45/mi
3:02:51
↑ 23↓ 630.6%
24M
7:27/mi
3:10:18
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:16:46
↓ 200.3%
25.2M
8:10/mi
3:19:35
↑ 13↓ 160.2%
Finish· 26.22 mi
7:07/mi
3:26:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:44:39
Pace7:59 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:11
Pace7:48 /mi
📊Negative Split: 2.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3824:528:0024:52
8:00
-
10K
6.21 mi11:19:3149:458:0024:53
8:01
+0:01
15K
9.32 mi11:44:181:14:328:0024:47
7:59
-0:02
20K
12.43 mi12:08:581:39:127:5924:40
7:56
-0:03
Half
13.11 mi12:14:251:44:397:595:27
7:59
+0:03
25K
15.53 mi12:33:412:03:557:5919:16
7:57
-0:02
30K
18.64 mi12:58:332:28:477:5924:52
8:00
+0:03
20M
20.00 mi13:09:132:39:277:5810:40
7:51
-0:09
21M
21.00 mi13:17:152:47:297:598:02
8:02
+0:11
35K
21.75 mi13:22:552:53:097:585:40
7:34
-0:28
23M
23.00 mi13:32:373:02:517:579:42
7:45
+0:11
24M
24.00 mi13:40:043:10:187:567:27
7:27
-0:18
40K
24.85 mi13:46:323:16:467:556:28
7:34
+0:07
25.2M
25.20 mi13:49:213:19:357:552:49
8:10
+0:36
Finish
26.22 mi13:56:363:26:507:547:15
7:07
-1:03

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

7:07 /mi

Average Pace

7:54 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:32

18% of race

Time at Steady Pace

2:50:18

82% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi10:54:3824:528:0024:52
8:00
#14050
10K
6.21 mi11:19:3149:458:0024:53
8:01
#14434
15K
9.32 mi11:44:181:14:328:0024:47
7:59
#14334
20K
12.43 mi12:08:581:39:127:5924:40
7:56
#13955
Half
13.11 mi12:14:251:44:397:595:27
7:59
#13970
25K
15.53 mi12:33:412:03:557:5919:16
7:57
#13692
30K
18.64 mi12:58:332:28:477:5924:52
8:00
#13147
20M
20.00 mi13:09:132:39:277:5810:40
7:51
#12817
21M
21.00 mi13:17:152:47:297:598:02
8:02
#12445
35K
21.75 mi13:22:552:53:097:585:40
7:34
#12326
23M
23.00 mi13:32:373:02:517:579:42
7:45
#12050
24M
24.00 mi13:40:043:10:187:567:27
7:27
#11826
40K
24.85 mi13:46:323:16:467:556:28
7:34
#11615
25.2M
25.20 mi13:49:213:19:357:552:49
8:10
#11529
Finish
26.22 mi13:56:363:26:507:547:15
7:07
#11237
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi140504058405814195(Top 53%)4194(Top 37%)4194(Top 86%)
10K6.21 mi3.10 mi14434-3844301-2434301-24314862(Top 56%)4579(Top 40%)4579(Top 94%)
15K9.32 mi3.11 mi14334+1004250+514250+5114195(Top 53%)4194(Top 37%)4194(Top 86%)
20K12.43 mi3.11 mi13955+3794057+1934057+19312942(Top 49%)3511(Top 31%)3511(Top 72%)
Half13.11 mi0.68 mi13970-154067-104067-1014267(Top 54%)4211(Top 37%)4211(Top 86%)
25K15.53 mi2.42 mi13692+2783923+1443923+14412281(Top 46%)3235(Top 28%)3235(Top 66%)
30K18.64 mi3.11 mi13147+5453637+2863637+28610952(Top 41%)2613(Top 23%)2613(Top 54%)
20M20.00 mi1.36 mi12817+3303458+1793458+1799261(Top 35%)1920(Top 17%)1920(Top 39%)
21M21.00 mi1.00 mi12445+3723264+1943264+1947597(Top 29%)1363(Top 12%)1363(Top 28%)
35K21.75 mi0.75 mi12326+1193210+543210+549151(Top 34%)2001(Top 18%)2001(Top 41%)
23M23.00 mi1.25 mi12050+2763085+1253085+1258099(Top 30%)1643(Top 14%)1643(Top 34%)
24M24.00 mi1.00 mi11826+2242966+1192966+1197416(Top 28%)1463(Top 13%)1463(Top 30%)
40K24.85 mi0.85 mi11615+2112869+972869+977159(Top 27%)1446(Top 13%)1446(Top 30%)
25.2M25.20 mi0.35 mi11529+862834+352834+357610(Top 29%)1680(Top 15%)1680(Top 34%)
Finish26.22 mi1.02 mi11237+2922710+1242710+1245936(Top 22%)1055(Top 9%)1055(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14195

Females

4194

F18-39

4194

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14862

Females

4579

F18-39

4579

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14195

Females

4194

F18-39

4194

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

12942

Females

3511

F18-39

3511

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14267

Females

4211

F18-39

4211

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12281

Females

3235

F18-39

3235

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10952

Females

2613

F18-39

2613

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9261

Females

1920

F18-39

1920

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

7597

Females

1363

F18-39

1363

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9151

Females

2001

F18-39

2001

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8099

Females

1643

F18-39

1643

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7416

Females

1463

F18-39

1463

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7159

Females

1446

F18-39

1446

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7610

Females

1680

F18-39

1680

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5936

Females

1055

F18-39

1055

Passing Analysis

Category:
Athletes Passed
3601
Passed By
788
Net Change
+2813
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14050
5K → 10K136520-384#14050#14434
10K → 15K235135+100#14434#14334
15K → 20K41435+379#14334#13955
20K → Half2742-15#13955#13970
Half → 25K30022+278#13970#13692
25K → 30K55813+545#13692#13147
30K → 20M3322+330#13147#12817
20M → 21M3731+372#12817#12445
21M → 35K1245+119#12445#12326
35K → 23M2815+276#12326#12050
23M → 24M2273+224#12050#11826
24M → 40K2121+211#11826#11615
40K → 25.2M882+86#11615#11529
25.2M → Finish2942+292#11529#11237
TOTALS3601788+2813
📊

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