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BOSTON MARATHON 2023

Lauren Mckim

Bib: 25910•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:57
Rank: #24187
Start → 5K
31:57 | 10:17/mi
10K· 6.21 mi
1:04:58
Rank: #24623 (-436)
5K → 10K
33:01 | 10:38/mi
15K· 9.32 mi
1:39:16
Rank: #24897 (-274)
10K → 15K
34:18 | 11:02/mi
20K· 12.43 mi
2:12:07
Rank: #24649 (+248)
15K → 20K
32:51 | 10:34/mi
Half· 13.11 mi
2:19:19
Rank: #24640 (+9)
20K → Half
7:12 | 10:33/mi
25K· 15.53 mi
2:45:30
Rank: #24455 (+185)
Half → 25K
26:11 | 10:48/mi
30K· 18.64 mi
3:20:08
Rank: #24238 (+217)
25K → 30K
34:38 | 11:09/mi
20M
3:35:28
Rank: #24157 (+81)
30K → 20M
15:20 | 11:17/mi
21M
3:47:09
Rank: #24062 (+95)
20M → 21M
11:41 | 11:41/mi
35K· 21.75 mi
3:55:03
Rank: #24019 (+43)
21M → 35K
7:54 | 10:34/mi
23M
4:09:03
Rank: #23958 (+61)
35K → 23M
14:00 | 11:11/mi
24M
4:20:05
Rank: #23936 (+22)
23M → 24M
11:02 | 11:02/mi
40K· 24.85 mi
4:29:50
Rank: #23890 (+46)
24M → 40K
9:45 | 11:24/mi
25.2M
4:33:56
Rank: #23873 (+17)
40K → 25.2M
4:06 | 11:53/mi
Finish· 26.22 mi
4:43:26
Rank: #23778 (+95)
25.2M → Finish
9:30 | 9:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:19
Pace10:38 /mi
2nd Half
Distance13.11 mi
Time2:24:07
Pace11:00 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0331:5710:1731:57
10:17
-
10K
6.21 mi12:21:041:04:5810:2733:01
10:38
+0:21
15K
9.32 mi12:55:221:39:1610:3934:18
11:02
+0:24
20K
12.43 mi13:28:132:12:0710:3832:51
10:34
-0:28
Half
13.11 mi13:35:252:19:1910:387:12
10:33
-0:01
25K
15.53 mi14:01:362:45:3010:3926:11
10:48
+0:15
30K
18.64 mi14:36:143:20:0810:4434:38
11:09
+0:21
20M
20.00 mi14:51:343:35:2810:4615:20
11:17
+0:08
21M
21.00 mi15:03:153:47:0910:4911:41
11:41
+0:24
35K
21.75 mi15:11:093:55:0310:487:54
10:34
-1:07
23M
23.00 mi15:25:094:09:0310:5014:00
11:11
+0:37
24M
24.00 mi15:36:114:20:0510:5011:02
11:02
-0:09
40K
24.85 mi15:45:564:29:5010:519:45
11:24
+0:22
25.2M
25.20 mi15:50:024:33:5610:524:06
11:53
+0:29
Finish
26.22 mi15:59:324:43:2610:499:30
9:19
-2:34

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

9:19 /mi

Average Pace

10:49 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:25

43% of race

Time at Steady Pace

2:15:29

48% of race

Time at Slower Pace

25:32

9% of race

Average Pace: 10:49 /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 mi11:48:0331:5710:1731:57
10:17
#24187
10K
6.21 mi12:21:041:04:5810:2733:01
10:38
#24623
15K
9.32 mi12:55:221:39:1610:3934:18
11:02
#24897
20K
12.43 mi13:28:132:12:0710:3832:51
10:34
#24649
Half
13.11 mi13:35:252:19:1910:387:12
10:33
#24640
25K
15.53 mi14:01:362:45:3010:3926:11
10:48
#24455
30K
18.64 mi14:36:143:20:0810:4434:38
11:09
#24238
20M
20.00 mi14:51:343:35:2810:4615:20
11:17
#24157
21M
21.00 mi15:03:153:47:0910:4911:41
11:41
#24062
35K
21.75 mi15:11:093:55:0310:487:54
10:34
#24019
23M
23.00 mi15:25:094:09:0310:5014:00
11:11
#23958
24M
24.00 mi15:36:114:20:0510:5011:02
11:02
#23936
40K
24.85 mi15:45:564:29:5010:519:45
11:24
#23890
25.2M
25.20 mi15:50:024:33:5610:524:06
11:53
#23873
Finish
26.22 mi15:59:324:43:2610:499:30
9:19
#23778
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi241879981998125237(Top 95%)10588(Top 93%)10588(Top 217%)
10K6.21 mi3.10 mi24623-43610222-24110222-24124912(Top 94%)10389(Top 91%)10389(Top 213%)
15K9.32 mi3.11 mi24897-27410382-16010382-16025237(Top 95%)10588(Top 93%)10588(Top 217%)
20K12.43 mi3.11 mi24649+24810260+12210260+12223970(Top 90%)9888(Top 87%)9888(Top 202%)
Half13.11 mi0.68 mi24640+9102601026024303(Top 91%)10096(Top 88%)10096(Top 207%)
25K15.53 mi2.42 mi24455+18510161+9910161+9923673(Top 89%)9773(Top 86%)9773(Top 200%)
30K18.64 mi3.11 mi24238+21710067+9410067+9423342(Top 88%)9652(Top 84%)9652(Top 198%)
20M20.00 mi1.36 mi24157+8110028+3910028+3923159(Top 87%)9604(Top 84%)9604(Top 197%)
21M21.00 mi1.00 mi24062+959978+509978+5022225(Top 83%)9129(Top 80%)9129(Top 187%)
35K21.75 mi0.75 mi24019+439952+269952+2622514(Top 85%)9333(Top 82%)9333(Top 191%)
23M23.00 mi1.25 mi23958+619929+239929+2322704(Top 85%)9439(Top 83%)9439(Top 193%)
24M24.00 mi1.00 mi23936+229928+19928+123120(Top 87%)9695(Top 85%)9695(Top 199%)
40K24.85 mi0.85 mi23890+469913+159913+1523073(Top 87%)9700(Top 85%)9700(Top 199%)
25.2M25.20 mi0.35 mi23873+179903+109903+1022327(Top 84%)9305(Top 81%)9305(Top 191%)
Finish26.22 mi1.02 mi23778+959858+459858+4519490(Top 73%)7733(Top 68%)7733(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25237

Females

10588

F18-39

10588

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

24912

Females

10389

F18-39

10389

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25237

Females

10588

F18-39

10588

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

23970

Females

9888

F18-39

9888

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24303

Females

10096

F18-39

10096

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23673

Females

9773

F18-39

9773

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

23342

Females

9652

F18-39

9652

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

23159

Females

9604

F18-39

9604

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22225

Females

9129

F18-39

9129

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22514

Females

9333

F18-39

9333

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22704

Females

9439

F18-39

9439

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23120

Females

9695

F18-39

9695

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23073

Females

9700

F18-39

9700

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22327

Females

9305

F18-39

9305

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19490

Females

7733

F18-39

7733

Passing Analysis

Category:
Athletes Passed
1344
Passed By
935
Net Change
+409
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24187
5K → 10K53489-436#24187#24623
10K → 15K36310-274#24623#24897
15K → 20K26113+248#24897#24649
20K → Half2314+9#24649#24640
Half → 25K19813+185#24640#24455
25K → 30K24831+217#24455#24238
30K → 20M10120+81#24238#24157
20M → 21M983+95#24157#24062
21M → 35K474+43#24062#24019
35K → 23M7312+61#24019#23958
23M → 24M3412+22#23958#23936
24M → 40K5610+46#23936#23890
40K → 25.2M214+17#23890#23873
25.2M → Finish950+95#23873#23778
TOTALS1344935+409
📊

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