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BOSTON MARATHON 2023

Lauren Lhuillier

Bib: 16632•F

MI

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0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
Age Group (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
26:59
Rank: #18781
Start → 5K
26:59 | 8:41/mi
10K· 6.21 mi
53:17
Rank: #18367 (+414)
5K → 10K
26:18 | 8:28/mi
15K· 9.32 mi
1:19:27
Rank: #17993 (+374)
10K → 15K
26:10 | 8:25/mi
20K· 12.43 mi
1:45:32
Rank: #17502 (+491)
15K → 20K
26:05 | 8:24/mi
Half· 13.11 mi
1:51:08
Rank: #17413 (+89)
20K → Half
5:36 | 8:12/mi
25K· 15.53 mi
2:11:24
Rank: #17083 (+330)
Half → 25K
20:16 | 8:22/mi
30K· 18.64 mi
2:38:03
Rank: #16643 (+440)
25K → 30K
26:39 | 8:35/mi
20M
2:49:37
Rank: #16413 (+230)
30K → 20M
11:34 | 8:31/mi
21M
2:58:48
Rank: #16282 (+131)
20M → 21M
9:11 | 9:11/mi
35K· 21.75 mi
3:04:45
Rank: #16103 (+179)
21M → 35K
5:57 | 7:57/mi
23M
3:15:06
Rank: #15822 (+281)
35K → 23M
10:21 | 8:16/mi
24M
3:23:07
Rank: #15623 (+199)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:30:03
Rank: #15471 (+152)
24M → 40K
6:56 | 8:07/mi
25.2M
3:33:13
Rank: #15419 (+52)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:41:36
Rank: #15340 (+79)
25.2M → Finish
8:23 | 8:14/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via Half
Distance13.11 mi
Time1:51:08
Pace8:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:50:28
Pace8:26 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3626:598:4126:59
8:41
-
10K
6.21 mi11:49:5453:178:3526:18
8:28
-0:13
15K
9.32 mi12:16:041:19:278:3126:10
8:25
-0:03
20K
12.43 mi12:42:091:45:328:3026:05
8:24
-0:01
Half
13.11 mi12:47:451:51:088:295:36
8:12
-0:12
25K
15.53 mi13:08:012:11:248:2820:16
8:22
+0:10
30K
18.64 mi13:34:402:38:038:2926:39
8:35
+0:13
20M
20.00 mi13:46:142:49:378:2911:34
8:31
-0:04
21M
21.00 mi13:55:252:58:488:319:11
9:11
+0:40
35K
21.75 mi14:01:223:04:458:305:57
7:57
-1:14
23M
23.00 mi14:11:433:15:068:2910:21
8:16
+0:19
24M
24.00 mi14:19:443:23:078:288:01
8:01
-0:15
40K
24.85 mi14:26:403:30:038:276:56
8:07
+0:06
25.2M
25.20 mi14:29:503:33:138:283:10
9:11
+1:04
Finish
26.22 mi14:38:133:41:368:278:23
8:14
-0:57

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:57 /mi

Average Pace

8:27 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:29:15

94% of race

Time at Steady Pace

12:21

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:27 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:23:3626:598:4126:59
8:41
#18781
10K
6.21 mi11:49:5453:178:3526:18
8:28
#18367
15K
9.32 mi12:16:041:19:278:3126:10
8:25
#17993
20K
12.43 mi12:42:091:45:328:3026:05
8:24
#17502
Half
13.11 mi12:47:451:51:088:295:36
8:12
#17413
25K
15.53 mi13:08:012:11:248:2820:16
8:22
#17083
30K
18.64 mi13:34:402:38:038:2926:39
8:35
#16643
20M
20.00 mi13:46:142:49:378:2911:34
8:31
#16413
21M
21.00 mi13:55:252:58:488:319:11
9:11
#16282
35K
21.75 mi14:01:223:04:458:305:57
7:57
#16103
23M
23.00 mi14:11:433:15:068:2910:21
8:16
#15822
24M
24.00 mi14:19:443:23:078:288:01
8:01
#15623
40K
24.85 mi14:26:403:30:038:276:56
8:07
#15471
25.2M
25.20 mi14:29:503:33:138:283:10
9:11
#15419
Finish
26.22 mi14:38:133:41:368:278:23
8:14
#15340
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi187817061706117289(Top 65%)6097(Top 53%)6097(Top 125%)
10K6.21 mi3.10 mi18367+4146736+3256736+32518028(Top 68%)6488(Top 57%)6488(Top 133%)
15K9.32 mi3.11 mi17993+3746522+2146522+21417289(Top 65%)6097(Top 53%)6097(Top 125%)
20K12.43 mi3.11 mi17502+4916216+3066216+30616219(Top 61%)5479(Top 48%)5479(Top 112%)
Half13.11 mi0.68 mi17413+896167+496167+4915901(Top 60%)5233(Top 46%)5233(Top 107%)
25K15.53 mi2.42 mi17083+3305993+1745993+17415330(Top 58%)5038(Top 44%)5038(Top 103%)
30K18.64 mi3.11 mi16643+4405773+2205773+22014793(Top 56%)4811(Top 42%)4811(Top 99%)
20M20.00 mi1.36 mi16413+2305656+1175656+11713732(Top 52%)4265(Top 37%)4265(Top 87%)
21M21.00 mi1.00 mi16282+1315588+685588+6814419(Top 54%)4724(Top 41%)4724(Top 97%)
35K21.75 mi0.75 mi16103+1795498+905498+9011859(Top 45%)3366(Top 29%)3366(Top 69%)
23M23.00 mi1.25 mi15822+2815351+1475351+14711688(Top 44%)3362(Top 29%)3362(Top 69%)
24M24.00 mi1.00 mi15623+1995253+985253+9811411(Top 43%)3306(Top 29%)3306(Top 68%)
40K24.85 mi0.85 mi15471+1525175+785175+7810826(Top 41%)3074(Top 27%)3074(Top 63%)
25.2M25.20 mi0.35 mi15419+525145+305145+3013627(Top 51%)4564(Top 40%)4564(Top 93%)
Finish26.22 mi1.02 mi15340+795110+355110+3513649(Top 51%)4555(Top 40%)4555(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17289

Females

6097

F18-39

6097

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18028

Females

6488

F18-39

6488

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17289

Females

6097

F18-39

6097

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

16219

Females

5479

F18-39

5479

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

15901

Females

5233

F18-39

5233

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

15330

Females

5038

F18-39

5038

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14793

Females

4811

F18-39

4811

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13732

Females

4265

F18-39

4265

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14419

Females

4724

F18-39

4724

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

11859

Females

3366

F18-39

3366

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11688

Females

3362

F18-39

3362

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11411

Females

3306

F18-39

3306

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10826

Females

3074

F18-39

3074

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13627

Females

4564

F18-39

4564

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13649

Females

4555

F18-39

4555

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3831
Passed By
390
Net Change
+3441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18781
5K → 10K612198+414#18781#18367
10K → 15K43460+374#18367#17993
15K → 20K51120+491#17993#17502
20K → Half934+89#17502#17413
Half → 25K34010+330#17413#17083
25K → 30K4499+440#17083#16643
30K → 20M2388+230#16643#16413
20M → 21M15221+131#16413#16282
21M → 35K1790+179#16282#16103
35K → 23M2854+281#16103#15822
23M → 24M2056+199#15822#15623
24M → 40K1553+152#15623#15471
40K → 25.2M6412+52#15471#15419
25.2M → Finish11435+79#15419#15340
TOTALS3831390+3441
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing