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BOSTON MARATHON 2024

Lindsay Sammis

Bib: 14645•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 34%
Gender (Female)
#0 / 10924
Top 19%
Division (F18-39)
#0 / 4660
Top 33%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:15
Rank: #13130
Start → 5K
24:15 | 7:48/mi
10K· 6.21 mi
48:33
Rank: #12967 (+163)
5K → 10K
24:18 | 7:49/mi
15K· 9.32 mi
1:12:54
Rank: #12686 (+281)
10K → 15K
24:21 | 7:50/mi
20K· 12.43 mi
1:37:05
Rank: #12002 (+684)
15K → 20K
24:11 | 7:47/mi
Half· 13.11 mi
1:42:23
Rank: #11937 (+65)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:01:25
Rank: #11401 (+536)
Half → 25K
19:02 | 7:51/mi
30K· 18.64 mi
2:26:18
Rank: #10610 (+791)
25K → 30K
24:53 | 8:01/mi
20M
2:37:20
Rank: #10271 (+339)
30K → 20M
11:02 | 8:07/mi
21M
2:45:47
Rank: #9893 (+378)
20M → 21M
8:27 | 8:27/mi
35K· 21.75 mi
2:51:38
Rank: #9749 (+144)
21M → 35K
5:51 | 7:49/mi
23M
3:01:37
Rank: #9372 (+377)
35K → 23M
9:59 | 7:58/mi
24M
3:09:31
Rank: #9179 (+193)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:16:27
Rank: #9021 (+158)
24M → 40K
6:56 | 8:07/mi
25.2M
3:19:24
Rank: #8903 (+118)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:27:03
Rank: #8712 (+191)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:23
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:44:40
Pace7:59 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:5524:157:4824:15
7:48
-
10K
6.21 mi11:21:1348:337:4924:18
7:49
+0:01
15K
9.32 mi11:45:341:12:547:4924:21
7:50
+0:01
20K
12.43 mi12:09:451:37:057:4924:11
7:47
-0:03
Half
13.11 mi12:15:031:42:237:495:18
7:46
-0:01
25K
15.53 mi12:34:052:01:257:4919:02
7:51
+0:05
30K
18.64 mi12:58:582:26:187:5124:53
8:01
+0:10
20M
20.00 mi13:10:002:37:207:5211:02
8:07
+0:06
21M
21.00 mi13:18:272:45:477:548:27
8:27
+0:20
35K
21.75 mi13:24:182:51:387:545:51
7:49
-0:38
23M
23.00 mi13:34:173:01:377:549:59
7:58
+0:09
24M
24.00 mi13:42:113:09:317:547:54
7:54
-0:04
40K
24.85 mi13:49:073:16:277:546:56
8:07
+0:13
25.2M
25.20 mi13:52:043:19:247:552:57
8:33
+0:26
Finish
26.22 mi13:59:433:27:037:547:39
7:30
-1:03

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

7:30 /mi

Average Pace

7:54 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:39

94% of race

Time at Steady Pace

11:24

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi10:56:5524:157:4824:15
7:48
#13130
10K
6.21 mi11:21:1348:337:4924:18
7:49
#12967
15K
9.32 mi11:45:341:12:547:4924:21
7:50
#12686
20K
12.43 mi12:09:451:37:057:4924:11
7:47
#12002
Half
13.11 mi12:15:031:42:237:495:18
7:46
#11937
25K
15.53 mi12:34:052:01:257:4919:02
7:51
#11401
30K
18.64 mi12:58:582:26:187:5124:53
8:01
#10610
20M
20.00 mi13:10:002:37:207:5211:02
8:07
#10271
21M
21.00 mi13:18:272:45:477:548:27
8:27
#9893
35K
21.75 mi13:24:182:51:387:545:51
7:49
#9749
23M
23.00 mi13:34:173:01:377:549:59
7:58
#9372
24M
24.00 mi13:42:113:09:317:547:54
7:54
#9179
40K
24.85 mi13:49:073:16:277:546:56
8:07
#9021
25.2M
25.20 mi13:52:043:19:247:552:57
8:33
#8903
Finish
26.22 mi13:59:433:27:037:547:39
7:30
#8712
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi131303792379212237(Top 48%)3373(Top 31%)3373(Top 72%)
10K6.21 mi3.10 mi12967+1633711+813711+8112840(Top 50%)3667(Top 34%)3667(Top 79%)
15K9.32 mi3.11 mi12686+2813568+1433568+14312237(Top 48%)3373(Top 31%)3373(Top 72%)
20K12.43 mi3.11 mi12002+6843216+3523216+35210325(Top 40%)2495(Top 23%)2495(Top 54%)
Half13.11 mi0.68 mi11937+653185+313185+3111101(Top 43%)2841(Top 26%)2841(Top 61%)
25K15.53 mi2.42 mi11401+5362932+2532932+2539261(Top 36%)2130(Top 19%)2130(Top 46%)
30K18.64 mi3.11 mi10610+7912624+3082624+3087929(Top 31%)1739(Top 16%)1739(Top 37%)
20M20.00 mi1.36 mi10271+3392519+1052519+1057431(Top 29%)1731(Top 16%)1731(Top 37%)
21M21.00 mi1.00 mi9893+3782379+1402379+1406030(Top 24%)1322(Top 12%)1322(Top 28%)
35K21.75 mi0.75 mi9749+1442342+372342+376744(Top 26%)1635(Top 15%)1635(Top 35%)
23M23.00 mi1.25 mi9372+3772220+1222220+1225639(Top 22%)1300(Top 12%)1300(Top 28%)
24M24.00 mi1.00 mi9179+1932168+522168+526116(Top 24%)1590(Top 15%)1590(Top 34%)
40K24.85 mi0.85 mi9021+1582137+312137+316343(Top 25%)1809(Top 17%)1809(Top 39%)
25.2M25.20 mi0.35 mi8903+1182103+342103+344760(Top 19%)1160(Top 11%)1160(Top 25%)
Finish26.22 mi1.02 mi8712+1912062+412062+415694(Top 22%)1506(Top 14%)1506(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12237

Females

3373

F18-39

3373

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

12840

Females

3667

F18-39

3667

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12237

Females

3373

F18-39

3373

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10325

Females

2495

F18-39

2495

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11101

Females

2841

F18-39

2841

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9261

Females

2130

F18-39

2130

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

7929

Females

1739

F18-39

1739

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7431

Females

1731

F18-39

1731

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6030

Females

1322

F18-39

1322

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6744

Females

1635

F18-39

1635

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5639

Females

1300

F18-39

1300

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6116

Females

1590

F18-39

1590

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6343

Females

1809

F18-39

1809

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

4760

Females

1160

F18-39

1160

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5694

Females

1506

F18-39

1506

Passing Analysis

Category:
Athletes Passed
4847*
Passed By
429
Net Change
+4418
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13130
5K → 10K383220+163#13130#12967
10K → 15K36988+281#12967#12686
15K → 20K6906+684#12686#12002
20K → Half7611+65#12002#11937
Half → 25K5459+536#11937#11401
25K → 30K80312+791#11401#10610
30K → 20M3489+339#10610#10271
20M → 21M385*7+378#10271#9893
21M → 35K15612+144#9893#9749
35K → 23M384*7+377#9749#9372
23M → 24M20815+193#9372#9179
24M → 40K18123+158#9179#9021
40K → 25.2M1202+118#9021#8903
25.2M → Finish1998+191#8903#8712
TOTALS4847*429+4418

* 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