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BOSTON MARATHON 2023

Lauren Scahill

Bib: 14516•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 30%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:07
Rank: #12024
Start → 5K
24:07 | 7:46/mi
10K· 6.21 mi
47:50
Rank: #11789 (+235)
5K → 10K
23:43 | 7:38/mi
15K· 9.32 mi
1:11:09
Rank: #11230 (+559)
10K → 15K
23:19 | 7:30/mi
20K· 12.43 mi
1:34:30
Rank: #10750 (+480)
15K → 20K
23:21 | 7:31/mi
Half· 13.11 mi
1:39:29
Rank: #10622 (+128)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:57:39
Rank: #10263 (+359)
Half → 25K
18:10 | 7:30/mi
30K· 18.64 mi
2:20:56
Rank: #9663 (+600)
25K → 30K
23:17 | 7:30/mi
20M
2:31:02
Rank: #9375 (+288)
30K → 20M
10:06 | 7:26/mi
21M
2:38:42
Rank: #9084 (+291)
20M → 21M
7:40 | 7:40/mi
35K· 21.75 mi
2:44:03
Rank: #8968 (+116)
21M → 35K
5:21 | 7:09/mi
23M
2:53:20
Rank: #8757 (+211)
35K → 23M
9:17 | 7:25/mi
24M
3:00:35
Rank: #8597 (+160)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
3:06:47
Rank: #8426 (+171)
24M → 40K
6:12 | 7:15/mi
25.2M
3:09:22
Rank: #8317 (+109)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:15:58
Rank: #8006 (+311)
25.2M → Finish
6:36 | 6:29/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:39:29
Pace7:35 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:36:29
Pace7:22 /mi
📊Negative Split: 3.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4324:077:4624:07
7:46
-
10K
6.21 mi11:17:2647:507:4223:43
7:38
-0:08
15K
9.32 mi11:40:451:11:097:3823:19
7:30
-0:08
20K
12.43 mi12:04:061:34:307:3623:21
7:31
+0:01
Half
13.11 mi12:09:051:39:297:354:59
7:18
-0:13
25K
15.53 mi12:27:151:57:397:3418:10
7:30
+0:12
30K
18.64 mi12:50:322:20:567:3423:17
7:30
0:00
20M
20.00 mi13:00:382:31:027:3310:06
7:26
-0:04
21M
21.00 mi13:08:182:38:427:337:40
7:40
+0:14
35K
21.75 mi13:13:392:44:037:335:21
7:09
-0:31
23M
23.00 mi13:22:562:53:207:329:17
7:25
+0:16
24M
24.00 mi13:30:113:00:357:317:15
7:15
-0:10
40K
24.85 mi13:36:233:06:477:316:12
7:15
0:00
25.2M
25.20 mi13:38:583:09:227:312:35
7:29
+0:14
Finish
26.22 mi13:45:343:15:587:296:36
6:29
-1:00

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

6:29 /mi

Average Pace

7:29 /mi

Slowest Pace

7:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:36

3% of race

Time at Steady Pace

2:37:35

80% of race

Time at Slower Pace

31:47

16% of race

Average Pace: 7:28 /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 mi10:53:4324:077:4624:07
7:46
#12024
10K
6.21 mi11:17:2647:507:4223:43
7:38
#11789
15K
9.32 mi11:40:451:11:097:3823:19
7:30
#11230
20K
12.43 mi12:04:061:34:307:3623:21
7:31
#10750
Half
13.11 mi12:09:051:39:297:354:59
7:18
#10622
25K
15.53 mi12:27:151:57:397:3418:10
7:30
#10263
30K
18.64 mi12:50:322:20:567:3423:17
7:30
#9663
20M
20.00 mi13:00:382:31:027:3310:06
7:26
#9375
21M
21.00 mi13:08:182:38:427:337:40
7:40
#9084
35K
21.75 mi13:13:392:44:037:335:21
7:09
#8968
23M
23.00 mi13:22:562:53:207:329:17
7:25
#8757
24M
24.00 mi13:30:113:00:357:317:15
7:15
#8597
40K
24.85 mi13:36:233:06:477:316:12
7:15
#8426
25.2M
25.20 mi13:38:583:09:227:312:35
7:29
#8317
Finish
26.22 mi13:45:343:15:587:296:36
6:29
#8006
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi120242880288010220(Top 38%)1941(Top 17%)1941(Top 40%)
10K6.21 mi3.10 mi11789+2352755+1252755+12511638(Top 44%)2663(Top 23%)2663(Top 55%)
15K9.32 mi3.11 mi11230+5592452+3032452+30310220(Top 38%)1941(Top 17%)1941(Top 40%)
20K12.43 mi3.11 mi10750+4802217+2352217+2359440(Top 35%)1662(Top 15%)1662(Top 34%)
Half13.11 mi0.68 mi10622+1282135+822135+828695(Top 33%)1355(Top 12%)1355(Top 28%)
25K15.53 mi2.42 mi10263+3591979+1561979+1568745(Top 33%)1446(Top 13%)1446(Top 30%)
30K18.64 mi3.11 mi9663+6001746+2331746+2337193(Top 27%)999(Top 9%)999(Top 20%)
20M20.00 mi1.36 mi9375+2881663+831663+836391(Top 24%)821(Top 7%)821(Top 17%)
21M21.00 mi1.00 mi9084+2911567+961567+965482(Top 21%)664(Top 6%)664(Top 14%)
35K21.75 mi0.75 mi8968+1161527+401527+406279(Top 24%)860(Top 8%)860(Top 18%)
23M23.00 mi1.25 mi8757+2111469+581469+585986(Top 22%)815(Top 7%)815(Top 17%)
24M24.00 mi1.00 mi8597+1601424+451424+456080(Top 23%)928(Top 8%)928(Top 19%)
40K24.85 mi0.85 mi8426+1711382+421382+425195(Top 20%)720(Top 6%)720(Top 15%)
25.2M25.20 mi0.35 mi8317+1091350+321350+323956(Top 15%)445(Top 4%)445(Top 9%)
Finish26.22 mi1.02 mi8006+3111256+941256+942403(Top 9%)189(Top 2%)189(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10220

Females

1941

F18-39

1941

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11638

Females

2663

F18-39

2663

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10220

Females

1941

F18-39

1941

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9440

Females

1662

F18-39

1662

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8695

Females

1355

F18-39

1355

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8745

Females

1446

F18-39

1446

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7193

Females

999

F18-39

999

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6391

Females

821

F18-39

821

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5482

Females

664

F18-39

664

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6279

Females

860

F18-39

860

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5986

Females

815

F18-39

815

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6080

Females

928

F18-39

928

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5195

Females

720

F18-39

720

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3956

Females

445

F18-39

445

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2403

Females

189

F18-39

189

Passing Analysis

Category:
Athletes Passed
4288*
Passed By
270
Net Change
+4018
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12024
5K → 10K433198+235#12024#11789
10K → 15K58526+559#11789#11230
15K → 20K49111+480#11230#10750
20K → Half1324+128#10750#10622
Half → 25K3656+359#10622#10263
25K → 30K604*4+600#10263#9663
30K → 20M2902+288#9663#9375
20M → 21M2932+291#9375#9084
21M → 35K1193+116#9084#8968
35K → 23M2132+211#8968#8757
23M → 24M1688+160#8757#8597
24M → 40K1754+171#8597#8426
40K → 25.2M1090+109#8426#8317
25.2M → Finish3110+311#8317#8006
TOTALS4288*270+4018

* 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