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BOSTON MARATHON 2023

Lauren Stewart

Bib: 25507•F

VA

0:00
0:00
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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
32:13
Rank: #24410
Start → 5K
10:22/mi
32:13 split
10K· 6.21 mi
1:05:08
Rank: #24692 (-282)
5K → 10K
10:36/mi
32:55 split
15K· 9.32 mi
1:37:55
Rank: #24643 (+49)
10K → 15K
10:33/mi
32:47 split
20K· 12.43 mi
2:12:32
Rank: #24699 (-56)
15K → 20K
11:09/mi
34:37 split
Half· 13.11 mi
2:19:51
Rank: #24700 (-1)
20K → Half
10:43/mi
7:19 split
25K· 15.53 mi
2:48:32
Rank: #24776 (-76)
Half → 25K
11:50/mi
28:41 split
30K· 18.64 mi
3:25:31
Rank: #24714 (+62)
25K → 30K
11:54/mi
36:59 split
20M
3:42:20
Rank: #24713 (+1)
30K → 20M
12:22/mi
16:49 split
21M
3:55:57
Rank: #24752 (-39)
20M → 21M
13:37/mi
13:37 split
35K· 21.75 mi
4:04:26
Rank: #24718 (+34)
21M → 35K
11:20/mi
8:29 split
23M
4:18:03
Rank: #24580 (+138)
35K → 23M
10:53/mi
13:37 split
24M
4:28:55
Rank: #24508 (+72)
23M → 24M
10:52/mi
10:52 split
40K· 24.85 mi
4:37:36
Rank: #24402 (+106)
24M → 40K
10:09/mi
8:41 split
25.2M
4:41:42
Rank: #24381 (+21)
40K → 25.2M
11:53/mi
4:06 split
Finish· 26.22 mi
4:52:14
Rank: #24330 (+51)
25.2M → Finish
10:20/mi
10:32 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:51
Pace10:40 /mi
2nd Half
Distance13.11 mi
Time2:32:23
Pace11:37 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1532:1310:2232:13
10:22
-
10K
6.21 mi12:21:101:05:0810:2932:55
10:36
+0:14
15K
9.32 mi12:53:571:37:5510:3032:47
10:33
-0:03
20K
12.43 mi13:28:342:12:3210:4034:37
11:09
+0:36
Half
13.11 mi13:35:532:19:5110:407:19
10:43
-0:26
25K
15.53 mi14:04:342:48:3210:5128:41
11:50
+1:07
30K
18.64 mi14:41:333:25:3111:0136:59
11:54
+0:04
20M
20.00 mi14:58:223:42:2011:0716:49
12:22
+0:28
21M
21.00 mi15:11:593:55:5711:1413:37
13:37
+1:15
35K
21.75 mi15:20:284:04:2611:148:29
11:20
-2:17
23M
23.00 mi15:34:054:18:0311:1313:37
10:53
-0:27
24M
24.00 mi15:44:574:28:5511:1210:52
10:52
-0:01
40K
24.85 mi15:53:384:37:3611:108:41
10:09
-0:43
25.2M
25.20 mi15:57:444:41:4211:114:06
11:53
+1:44
Finish
26.22 mi16:08:164:52:1411:0910:32
10:20
-1:33

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

10:09 /mi

Average Pace

11:09 /mi

Slowest Pace

13:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:26

18% of race

Time at Steady Pace

2:20:36

48% of race

Time at Slower Pace

1:40:12

34% of race

Average Pace: 11:09 /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 mi11:48:1532:1310:2232:13
10:22
#24410
10K
6.21 mi12:21:101:05:0810:2932:55
10:36
#24692
15K
9.32 mi12:53:571:37:5510:3032:47
10:33
#24643
20K
12.43 mi13:28:342:12:3210:4034:37
11:09
#24699
Half
13.11 mi13:35:532:19:5110:407:19
10:43
#24700
25K
15.53 mi14:04:342:48:3210:5128:41
11:50
#24776
30K
18.64 mi14:41:333:25:3111:0136:59
11:54
#24714
20M
20.00 mi14:58:223:42:2011:0716:49
12:22
#24713
21M
21.00 mi15:11:593:55:5711:1413:37
13:37
#24752
35K
21.75 mi15:20:284:04:2611:148:29
11:20
#24718
23M
23.00 mi15:34:054:18:0311:1313:37
10:53
#24580
24M
24.00 mi15:44:574:28:5511:1210:52
10:52
#24508
40K
24.85 mi15:53:384:37:3611:108:41
10:09
#24402
25.2M
25.20 mi15:57:444:41:4211:114:06
11:53
#24381
Finish
26.22 mi16:08:164:52:1411:0910:32
10:20
#24330
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24410101051010524555(Top 92%)10210(Top 89%)10210(Top 209%)
10K6.21 mi3.10 mi24692-28210260-15510260-15524848(Top 93%)10353(Top 91%)10353(Top 212%)
15K9.32 mi3.11 mi24643+4910248+1210248+1224555(Top 92%)10210(Top 89%)10210(Top 209%)
20K12.43 mi3.11 mi24699-5610290-4210290-4224803(Top 93%)10368(Top 91%)10368(Top 212%)
Half13.11 mi0.68 mi24700-110289+110289+124563(Top 92%)10247(Top 90%)10247(Top 210%)
25K15.53 mi2.42 mi24776-7610345-5610345-5625011(Top 94%)10522(Top 92%)10522(Top 215%)
30K18.64 mi3.11 mi24714+6210323+2210323+2224392(Top 92%)10216(Top 89%)10216(Top 209%)
20M20.00 mi1.36 mi24713+110333-1010333-1024609(Top 92%)10395(Top 91%)10395(Top 213%)
21M21.00 mi1.00 mi24752-3910362-2910362-2924698(Top 93%)10453(Top 92%)10453(Top 214%)
35K21.75 mi0.75 mi24718+3410346+1610346+1623883(Top 90%)10071(Top 88%)10071(Top 206%)
23M23.00 mi1.25 mi24580+13810274+7210274+7222122(Top 83%)9134(Top 80%)9134(Top 187%)
24M24.00 mi1.00 mi24508+7210249+2510249+2522793(Top 86%)9523(Top 83%)9523(Top 195%)
40K24.85 mi0.85 mi24402+10610198+5110198+5120409(Top 77%)8290(Top 73%)8290(Top 170%)
25.2M25.20 mi0.35 mi24381+2110190+810190+822330(Top 84%)9308(Top 81%)9308(Top 191%)
Finish26.22 mi1.02 mi24330+5110166+2410166+2422670(Top 85%)9492(Top 83%)9492(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24555

Females

10210

F18-39

10210

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24848

Females

10353

F18-39

10353

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24555

Females

10210

F18-39

10210

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

24803

Females

10368

F18-39

10368

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24563

Females

10247

F18-39

10247

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

25011

Females

10522

F18-39

10522

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24392

Females

10216

F18-39

10216

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24609

Females

10395

F18-39

10395

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

24698

Females

10453

F18-39

10453

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23883

Females

10071

F18-39

10071

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

22122

Females

9134

F18-39

9134

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22793

Females

9523

F18-39

9523

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20409

Females

8290

F18-39

8290

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22330

Females

9308

F18-39

9308

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22670

Females

9492

F18-39

9492

Passing Analysis

Category:
Athletes Passed
969
Passed By
889
Net Change
+80
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24410
5K → 10K73355-282#24410#24692
10K → 15K13384+49#24692#24643
15K → 20K79135-56#24643#24699
20K → Half1718-1#24699#24700
Half → 25K46122-76#24700#24776
25K → 30K12058+62#24776#24714
30K → 20M4746+1#24714#24713
20M → 21M1655-39#24713#24752
21M → 35K351+34#24752#24718
35K → 23M1402+138#24718#24580
23M → 24M764+72#24580#24508
24M → 40K1071+106#24508#24402
40K → 25.2M232+21#24402#24381
25.2M → Finish576+51#24381#24330
TOTALS969889+80
📊

Passing Visuals

Category:
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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