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BOSTON MARATHON 2023

Lauren Jackson

Bib: 16766•F

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Female)
#0 / 11423
Top 17%
Masters (Masters Women)
#0 / 6539
Top 7%
Division (F40-44)
#0 / 1878
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:34
Rank: #10414
Start → 5K
23:34 | 7:35/mi
10K· 6.21 mi
46:50
Rank: #10374 (+40)
5K → 10K
23:16 | 7:29/mi
15K· 9.32 mi
1:10:21
Rank: #10487 (-113)
10K → 15K
23:31 | 7:34/mi
20K· 12.43 mi
1:34:01
Rank: #10396 (+91)
15K → 20K
23:40 | 7:37/mi
Half· 13.11 mi
1:39:06
Rank: #10370 (+26)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:57:46
Rank: #10317 (+53)
Half → 25K
18:40 | 7:42/mi
30K· 18.64 mi
2:22:19
Rank: #10250 (+67)
25K → 30K
24:33 | 7:54/mi
20M
2:33:05
Rank: #10196 (+54)
30K → 20M
10:46 | 7:55/mi
21M
2:41:39
Rank: #10197 (-1)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:47:19
Rank: #10144 (+53)
21M → 35K
5:40 | 7:34/mi
23M
2:57:00
Rank: #9968 (+176)
35K → 23M
9:41 | 7:44/mi
24M
3:04:40
Rank: #9887 (+81)
23M → 24M
7:40 | 7:40/mi
40K· 24.85 mi
3:11:26
Rank: #9849 (+38)
24M → 40K
6:46 | 7:55/mi
25.2M
3:14:22
Rank: #9828 (+21)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:21:56
Rank: #9707 (+121)
25.2M → Finish
7:34 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:06
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:42:50
Pace7:51 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5723:347:3523:34
7:35
-
10K
6.21 mi11:37:1346:507:3223:16
7:29
-0:06
15K
9.32 mi12:00:441:10:217:3323:31
7:34
+0:05
20K
12.43 mi12:24:241:34:017:3423:40
7:37
+0:03
Half
13.11 mi12:29:291:39:067:345:05
7:27
-0:10
25K
15.53 mi12:48:091:57:467:3518:40
7:42
+0:15
30K
18.64 mi13:12:422:22:197:3824:33
7:54
+0:12
20M
20.00 mi13:23:282:33:057:3910:46
7:55
+0:01
21M
21.00 mi13:32:022:41:397:428:34
8:34
+0:39
35K
21.75 mi13:37:422:47:197:425:40
7:34
-1:00
23M
23.00 mi13:47:232:57:007:429:41
7:44
+0:10
24M
24.00 mi13:55:033:04:407:427:40
7:40
-0:04
40K
24.85 mi14:01:493:11:267:426:46
7:55
+0:15
25.2M
25.20 mi14:04:453:14:227:432:56
8:30
+0:35
Finish
26.22 mi14:12:193:21:567:427:34
7:26
-1:04

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

7:26 /mi

Average Pace

7:42 /mi

Slowest Pace

8:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:26

94% of race

Time at Steady Pace

11:30

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:42 /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 mi11:13:5723:347:3523:34
7:35
#10414
10K
6.21 mi11:37:1346:507:3223:16
7:29
#10374
15K
9.32 mi12:00:441:10:217:3323:31
7:34
#10487
20K
12.43 mi12:24:241:34:017:3423:40
7:37
#10396
Half
13.11 mi12:29:291:39:067:345:05
7:27
#10370
25K
15.53 mi12:48:091:57:467:3518:40
7:42
#10317
30K
18.64 mi13:12:422:22:197:3824:33
7:54
#10250
20M
20.00 mi13:23:282:33:057:3910:46
7:55
#10196
21M
21.00 mi13:32:022:41:397:428:34
8:34
#10197
35K
21.75 mi13:37:422:47:197:425:40
7:34
#10144
23M
23.00 mi13:47:232:57:007:429:41
7:44
#9968
24M
24.00 mi13:55:033:04:407:427:40
7:40
#9887
40K
24.85 mi14:01:493:11:267:426:46
7:55
#9849
25.2M
25.20 mi14:04:453:14:227:432:56
8:30
#9828
Finish
26.22 mi14:12:193:21:567:427:34
7:26
#9707
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi104142044204410763(Top 40%)2210(Top 19%)2210(Top 118%)
10K6.21 mi3.10 mi10374+402015+292015+2910374(Top 39%)1990(Top 17%)1990(Top 106%)
15K9.32 mi3.11 mi10487-1132057-422057-4210763(Top 40%)2210(Top 19%)2210(Top 118%)
20K12.43 mi3.11 mi10396+912020+372020+3710226(Top 38%)2011(Top 18%)2011(Top 107%)
Half13.11 mi0.68 mi10370+262012+82012+89888(Top 37%)1843(Top 16%)1843(Top 98%)
25K15.53 mi2.42 mi10317+532003+92003+910295(Top 39%)2129(Top 19%)2129(Top 113%)
30K18.64 mi3.11 mi10250+672023-202023-2010162(Top 38%)2234(Top 20%)2234(Top 119%)
20M20.00 mi1.36 mi10196+542022+12022+19737(Top 37%)2123(Top 19%)2123(Top 113%)
21M21.00 mi1.00 mi10197-12041-192041-1910881(Top 41%)2797(Top 24%)2797(Top 149%)
35K21.75 mi0.75 mi10144+532029+122029+129128(Top 34%)1978(Top 17%)1978(Top 105%)
23M23.00 mi1.25 mi9968+1761971+581971+587985(Top 30%)1582(Top 14%)1582(Top 84%)
24M24.00 mi1.00 mi9887+811978-71978-78881(Top 33%)2043(Top 18%)2043(Top 109%)
40K24.85 mi0.85 mi9849+381991-131991-139466(Top 36%)2381(Top 21%)2381(Top 127%)
25.2M25.20 mi0.35 mi9828+211992-11992-19618(Top 36%)2501(Top 22%)2501(Top 133%)
Finish26.22 mi1.02 mi9707+1211970+221970+227996(Top 30%)1826(Top 16%)1826(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10763

Females

2210

F40-44

2210

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10374

Females

1990

F40-44

1990

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10763

Females

2210

F40-44

2210

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10226

Females

2011

F40-44

2011

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9888

Females

1843

F40-44

1843

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10295

Females

2129

F40-44

2129

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10162

Females

2234

F40-44

2234

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9737

Females

2123

F40-44

2123

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10881

Females

2797

F40-44

2797

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9128

Females

1978

F40-44

1978

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7985

Females

1582

F40-44

1582

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8881

Females

2043

F40-44

2043

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9466

Females

2381

F40-44

2381

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9618

Females

2501

F40-44

2501

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7996

Females

1826

F40-44

1826

Passing Analysis

Category:
Athletes Passed
1868*
Passed By
1160
Net Change
+707
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10414
5K → 10K310*270+40#10414#10374
10K → 15K149262-113#10374#10487
15K → 20K18998+91#10487#10396
20K → Half4620+26#10396#10370
Half → 25K161108+53#10370#10317
25K → 30K185*118+67#10317#10250
30K → 20M108*54+54#10250#10196
20M → 21M8586-1#10196#10197
21M → 35K7017+53#10197#10144
35K → 23M185*9+176#10144#9968
23M → 24M11937+81#9968#9887
24M → 40K7840+38#9887#9849
40K → 25.2M4423+21#9849#9828
25.2M → Finish139*18+121#9828#9707
TOTALS1868*1160+707

* 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