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BOSTON MARATHON 2023

Leslie Schwalbach

Bib: 15499•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Masters (Masters Women)
#0 / 6539
Top 8%
Division (F40-44)
#0 / 1878
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:33
Rank: #13257
Start → 5K
24:33 | 7:54/mi
10K· 6.21 mi
49:11
Rank: #13702 (-445)
5K → 10K
24:38 | 7:56/mi
15K· 9.32 mi
1:13:33
Rank: #13505 (+197)
10K → 15K
24:22 | 7:51/mi
20K· 12.43 mi
1:37:39
Rank: #12936 (+569)
15K → 20K
24:06 | 7:45/mi
Half· 13.11 mi
1:42:53
Rank: #12835 (+101)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:01:27
Rank: #12334 (+501)
Half → 25K
18:34 | 7:39/mi
30K· 18.64 mi
2:25:12
Rank: #11518 (+816)
25K → 30K
23:45 | 7:39/mi
20M
2:35:28
Rank: #11125 (+393)
30K → 20M
10:16 | 7:33/mi
21M
2:43:22
Rank: #10836 (+289)
20M → 21M
7:54 | 7:54/mi
35K· 21.75 mi
2:48:51
Rank: #10691 (+145)
21M → 35K
5:29 | 7:20/mi
23M
2:58:30
Rank: #10484 (+207)
35K → 23M
9:39 | 7:42/mi
24M
3:05:56
Rank: #10318 (+166)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
3:12:27
Rank: #10170 (+148)
24M → 40K
6:31 | 7:37/mi
25.2M
3:15:17
Rank: #10117 (+53)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:23:14
Rank: #10123 (-6)
25.2M → Finish
7:57 | 7:48/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:42:53
Pace7:51 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:21
Pace7:39 /mi
📊Negative Split: 2.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5224:337:5424:33
7:54
-
10K
6.21 mi11:20:3049:117:5524:38
7:56
+0:02
15K
9.32 mi11:44:521:13:337:5324:22
7:51
-0:05
20K
12.43 mi12:08:581:37:397:5124:06
7:45
-0:06
Half
13.11 mi12:14:121:42:537:515:14
7:40
-0:05
25K
15.53 mi12:32:462:01:277:4918:34
7:39
-0:01
30K
18.64 mi12:56:312:25:127:4723:45
7:39
0:00
20M
20.00 mi13:06:472:35:287:4610:16
7:33
-0:06
21M
21.00 mi13:14:412:43:227:477:54
7:54
+0:21
35K
21.75 mi13:20:102:48:517:465:29
7:20
-0:34
23M
23.00 mi13:29:492:58:307:469:39
7:42
+0:22
24M
24.00 mi13:37:153:05:567:457:26
7:26
-0:16
40K
24.85 mi13:43:463:12:277:456:31
7:37
+0:11
25.2M
25.20 mi13:46:363:15:177:452:50
8:13
+0:36
Finish
26.22 mi13:54:333:23:147:457:57
7:48
-0:25

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

7:20 /mi

Average Pace

7:45 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:24

99% of race

Time at Steady Pace

2:50

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi10:55:5224:337:5424:33
7:54
#13257
10K
6.21 mi11:20:3049:117:5524:38
7:56
#13702
15K
9.32 mi11:44:521:13:337:5324:22
7:51
#13505
20K
12.43 mi12:08:581:37:397:5124:06
7:45
#12936
Half
13.11 mi12:14:121:42:537:515:14
7:40
#12835
25K
15.53 mi12:32:462:01:277:4918:34
7:39
#12334
30K
18.64 mi12:56:312:25:127:4723:45
7:39
#11518
20M
20.00 mi13:06:472:35:287:4610:16
7:33
#11125
21M
21.00 mi13:14:412:43:227:477:54
7:54
#10836
35K
21.75 mi13:20:102:48:517:465:29
7:20
#10691
23M
23.00 mi13:29:492:58:307:469:39
7:42
#10484
24M
24.00 mi13:37:153:05:567:457:26
7:26
#10318
40K
24.85 mi13:43:463:12:277:456:31
7:37
#10170
25.2M
25.20 mi13:46:363:15:177:452:50
8:13
#10117
Finish
26.22 mi13:54:333:23:147:457:57
7:48
#10123
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi132573577357713072(Top 49%)3516(Top 31%)3516(Top 187%)
10K6.21 mi3.10 mi13702-4453863-2863863-28614231(Top 53%)4192(Top 37%)4192(Top 223%)
15K9.32 mi3.11 mi13505+1973753+1103753+11013072(Top 49%)3516(Top 31%)3516(Top 187%)
20K12.43 mi3.11 mi12936+5693442+3113442+31111373(Top 43%)2611(Top 23%)2611(Top 139%)
Half13.11 mi0.68 mi12835+1013382+603382+6011641(Top 44%)2685(Top 24%)2685(Top 143%)
25K15.53 mi2.42 mi12334+5013135+2473135+2479989(Top 38%)2001(Top 18%)2001(Top 107%)
30K18.64 mi3.11 mi11518+8162696+4392696+4398280(Top 31%)1423(Top 12%)1423(Top 76%)
20M20.00 mi1.36 mi11125+3932500+1962500+1967234(Top 27%)1126(Top 10%)1126(Top 60%)
21M21.00 mi1.00 mi10836+2892373+1272373+1276774(Top 25%)1055(Top 9%)1055(Top 56%)
35K21.75 mi0.75 mi10691+1452318+552318+557400(Top 28%)1275(Top 11%)1275(Top 68%)
23M23.00 mi1.25 mi10484+2072241+772241+777804(Top 29%)1502(Top 13%)1502(Top 80%)
24M24.00 mi1.00 mi10318+1662182+592182+597307(Top 27%)1416(Top 12%)1416(Top 75%)
40K24.85 mi0.85 mi10170+1482135+472135+477493(Top 28%)1566(Top 14%)1566(Top 83%)
25.2M25.20 mi0.35 mi10117+532121+142121+147871(Top 30%)1783(Top 16%)1783(Top 95%)
Finish26.22 mi1.02 mi10123-62157-362157-3610698(Top 40%)3030(Top 27%)3030(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13072

Females

3516

F40-44

3516

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14231

Females

4192

F40-44

4192

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13072

Females

3516

F40-44

3516

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11373

Females

2611

F40-44

2611

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11641

Females

2685

F40-44

2685

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

9989

Females

2001

F40-44

2001

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8280

Females

1423

F40-44

1423

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7234

Females

1126

F40-44

1126

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6774

Females

1055

F40-44

1055

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7400

Females

1275

F40-44

1275

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7804

Females

1502

F40-44

1502

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7307

Females

1416

F40-44

1416

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7493

Females

1566

F40-44

1566

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7871

Females

1783

F40-44

1783

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10698

Females

3030

F40-44

3030

Passing Analysis

Category:
Athletes Passed
3962*
Passed By
828
Net Change
+3134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13257
5K → 10K138583-445#13257#13702
10K → 15K301104+197#13702#13505
15K → 20K58213+569#13505#12936
20K → Half1054+101#12936#12835
Half → 25K5054+501#12835#12334
25K → 30K8171+816#12334#11518
30K → 20M393*0+393#11518#11125
20M → 21M2912+289#11125#10836
21M → 35K1483+145#10836#10691
35K → 23M2158+207#10691#10484
23M → 24M1748+166#10484#10318
24M → 40K16113+148#10318#10170
40K → 25.2M61*8+53#10170#10117
25.2M → Finish7177-6#10117#10123
TOTALS3962*828+3134

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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