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BOSTON MARATHON 2023

Lauren Cramer

Bib: 9320•F

MD

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:18/mi
22:41
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
45:25
↑ 79↓ 1380.4%
15K· 9.32 mi
7:39/mi
1:09:11
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:33:40
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:39:00
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
1:58:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:23:52
↑ 181↓ 1480.2%
20M
8:06/mi
2:34:53
↑ 64↓ 500.2%
21M
8:38/mi
2:43:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:49:33
↑ 17↓ 861.7%
23M
8:18/mi
2:59:56
↑ 23↓ 630.6%
24M
8:16/mi
3:08:12
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:15:11
↓ 200.3%
25.2M
8:48/mi
3:18:13
↑ 13↓ 160.2%
Finish· 26.22 mi
8:00/mi
3:26:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:00
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0922:417:1822:41
7:18
-
10K
6.21 mi11:10:5345:257:1922:44
7:19
+0:01
15K
9.32 mi11:34:391:09:117:2523:46
7:39
+0:20
20K
12.43 mi11:59:081:33:407:3224:29
7:53
+0:14
Half
13.11 mi12:04:281:39:007:335:20
7:49
-0:04
25K
15.53 mi12:23:571:58:297:3819:29
8:02
+0:13
30K
18.64 mi12:49:202:23:527:4325:23
8:10
+0:08
20M
20.00 mi13:00:212:34:537:4511:01
8:06
-0:04
21M
21.00 mi13:08:592:43:317:478:38
8:38
+0:32
35K
21.75 mi13:15:012:49:337:486:02
8:04
-0:34
23M
23.00 mi13:25:242:59:567:4910:23
8:18
+0:14
24M
24.00 mi13:33:403:08:127:518:16
8:16
-0:02
40K
24.85 mi13:40:393:15:117:516:59
8:10
-0:06
25.2M
25.20 mi13:43:413:18:137:523:02
8:48
+0:38
Finish
26.22 mi13:51:503:26:227:538:09
8:00
-0:48

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

7:18 /mi

Average Pace

7:53 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:31

36% of race

Time at Steady Pace

1:41:32

49% of race

Time at Slower Pace

30:19

15% of race

Average Pace: 7:52 /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 mi10:48:0922:417:1822:41
7:18
#8123
10K
6.21 mi11:10:5345:257:1922:44
7:19
#8513
15K
9.32 mi11:34:391:09:117:2523:46
7:39
#9382
20K
12.43 mi11:59:081:33:407:3224:29
7:53
#10167
Half
13.11 mi12:04:281:39:007:335:20
7:49
#10305
25K
15.53 mi12:23:571:58:297:3819:29
8:02
#10714
30K
18.64 mi12:49:202:23:527:4325:23
8:10
#10901
20M
20.00 mi13:00:212:34:537:4511:01
8:06
#10884
21M
21.00 mi13:08:592:43:317:478:38
8:38
#10900
35K
21.75 mi13:15:012:49:337:486:02
8:04
#10941
23M
23.00 mi13:25:242:59:567:4910:23
8:18
#10974
24M
24.00 mi13:33:403:08:127:518:16
8:16
#11091
40K
24.85 mi13:40:393:15:117:516:59
8:10
#11058
25.2M
25.20 mi13:43:413:18:137:523:02
8:48
#11052
Finish
26.22 mi13:51:503:26:227:538:09
8:00
#11083
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi81231060106011425(Top 43%)2582(Top 23%)2582(Top 53%)
10K6.21 mi3.10 mi8513-3901225-1651225-1659000(Top 34%)1410(Top 12%)1410(Top 29%)
15K9.32 mi3.11 mi9382-8691573-3481573-34811425(Top 43%)2582(Top 23%)2582(Top 53%)
20K12.43 mi3.11 mi10167-7851911-3381911-33812450(Top 47%)3224(Top 28%)3224(Top 66%)
Half13.11 mi0.68 mi10305-1381979-681979-6812872(Top 48%)3401(Top 30%)3401(Top 70%)
25K15.53 mi2.42 mi10714-4092207-2282207-22813029(Top 49%)3636(Top 32%)3636(Top 74%)
30K18.64 mi3.11 mi10901-1872348-1412348-14112135(Top 46%)3260(Top 29%)3260(Top 67%)
20M20.00 mi1.36 mi10884+172372-242372-2411084(Top 42%)2773(Top 24%)2773(Top 57%)
21M21.00 mi1.00 mi10900-162412-402412-4011273(Top 42%)3012(Top 26%)3012(Top 62%)
35K21.75 mi0.75 mi10941-412445-332445-3312583(Top 47%)3744(Top 33%)3744(Top 77%)
23M23.00 mi1.25 mi10974-332482-372482-3711849(Top 45%)3427(Top 30%)3427(Top 70%)
24M24.00 mi1.00 mi11091-1172570-882570-8813066(Top 49%)4155(Top 36%)4155(Top 85%)
40K24.85 mi0.85 mi11058+332582-122582-1211155(Top 42%)3225(Top 28%)3225(Top 66%)
25.2M25.20 mi0.35 mi11052+62593-112593-1111347(Top 43%)3359(Top 29%)3359(Top 69%)
Finish26.22 mi1.02 mi11083-312628-352628-3512137(Top 46%)3766(Top 33%)3766(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11425

Females

2582

F18-39

2582

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9000

Females

1410

F18-39

1410

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11425

Females

2582

F18-39

2582

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12450

Females

3224

F18-39

3224

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12872

Females

3401

F18-39

3401

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13029

Females

3636

F18-39

3636

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12135

Females

3260

F18-39

3260

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11084

Females

2773

F18-39

2773

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11273

Females

3012

F18-39

3012

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12583

Females

3744

F18-39

3744

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

11849

Females

3427

F18-39

3427

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13066

Females

4155

F18-39

4155

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11155

Females

3225

F18-39

3225

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11347

Females

3359

F18-39

3359

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12137

Females

3766

F18-39

3766

Passing Analysis

Category:
Athletes Passed
803*
Passed By
3762
Net Change
-2960
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8123
5K → 10K93483-390#8123#8513
10K → 15K21890-869#8513#9382
15K → 20K26810-785#9382#10167
20K → Half3141-138#10167#10305
Half → 25K37446-409#10305#10714
25K → 30K132319-187#10714#10901
30K → 20M94*77+17#10901#10884
20M → 21M7187-16#10884#10900
21M → 35K3475-41#10900#10941
35K → 23M77110-33#10941#10974
23M → 24M39156-117#10974#11091
24M → 40K8249+33#11091#11058
40K → 25.2M3327+6#11058#11052
25.2M → Finish6192-31#11052#11083
TOTALS803*3762-2960

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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