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BOSTON MARATHON 2024

Laura Pierce

Bib: 13569•F

MI

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 44%
Gender (Female)
#0 / 10924
Top 30%
Division (F18-39)
#0 / 4660
Top 47%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:47
Rank: #11968
Start → 5K
23:47 | 7:39/mi
10K· 6.21 mi
47:20
Rank: #11401 (+567)
5K → 10K
23:33 | 7:35/mi
15K· 9.32 mi
1:11:29
Rank: #11484 (-83)
10K → 15K
24:09 | 7:46/mi
20K· 12.43 mi
1:36:30
Rank: #11646 (-162)
15K → 20K
25:01 | 8:03/mi
Half· 13.11 mi
1:41:57
Rank: #11694 (-48)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:02:30
Rank: #11874 (-180)
Half → 25K
20:33 | 8:29/mi
30K· 18.64 mi
2:29:54
Rank: #11952 (-78)
25K → 30K
27:24 | 8:49/mi
20M
2:42:09
Rank: #11944 (+8)
30K → 20M
12:15 | 9:01/mi
21M
2:51:44
Rank: #11845 (+99)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
2:58:07
Rank: #11798 (+47)
21M → 35K
6:23 | 8:32/mi
23M
3:09:08
Rank: #11617 (+181)
35K → 23M
11:01 | 8:48/mi
24M
3:17:40
Rank: #11484 (+133)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:25:11
Rank: #11367 (+117)
24M → 40K
7:31 | 8:47/mi
25.2M
3:28:21
Rank: #11260 (+107)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:36:47
Rank: #11182 (+78)
25.2M → Finish
8:26 | 8:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:57
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:54:50
Pace8:46 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3523:477:3923:47
7:39
-
10K
6.21 mi11:18:0847:207:3723:33
7:35
-0:04
15K
9.32 mi11:42:171:11:297:4024:09
7:46
+0:11
20K
12.43 mi12:07:181:36:307:4625:01
8:03
+0:17
Half
13.11 mi12:12:451:41:577:475:27
7:59
-0:04
25K
15.53 mi12:33:182:02:307:5320:33
8:29
+0:30
30K
18.64 mi13:00:422:29:548:0227:24
8:49
+0:20
20M
20.00 mi13:12:572:42:098:0612:15
9:01
+0:12
21M
21.00 mi13:22:322:51:448:119:35
9:35
+0:34
35K
21.75 mi13:28:552:58:078:116:23
8:32
-1:03
23M
23.00 mi13:39:563:09:088:1311:01
8:48
+0:16
24M
24.00 mi13:48:283:17:408:148:32
8:32
-0:16
40K
24.85 mi13:55:593:25:118:157:31
8:47
+0:15
25.2M
25.20 mi13:59:093:28:218:163:10
9:11
+0:24
Finish
26.22 mi14:07:353:36:478:168:26
8:17
-0:54

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

7:35 /mi

Average Pace

8:16 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:57

47% of race

Time at Steady Pace

1:02:26

29% of race

Time at Slower Pace

52:24

24% of race

Average Pace: 8:16 /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 mi10:54:3523:477:3923:47
7:39
#11968
10K
6.21 mi11:18:0847:207:3723:33
7:35
#11401
15K
9.32 mi11:42:171:11:297:4024:09
7:46
#11484
20K
12.43 mi12:07:181:36:307:4625:01
8:03
#11646
Half
13.11 mi12:12:451:41:577:475:27
7:59
#11694
25K
15.53 mi12:33:182:02:307:5320:33
8:29
#11874
30K
18.64 mi13:00:422:29:548:0227:24
8:49
#11952
20M
20.00 mi13:12:572:42:098:0612:15
9:01
#11944
21M
21.00 mi13:22:322:51:448:119:35
9:35
#11845
35K
21.75 mi13:28:552:58:078:116:23
8:32
#11798
23M
23.00 mi13:39:563:09:088:1311:01
8:48
#11617
24M
24.00 mi13:48:283:17:408:148:32
8:32
#11484
40K
24.85 mi13:55:593:25:118:157:31
8:47
#11367
25.2M
25.20 mi13:59:093:28:218:163:10
9:11
#11260
Finish
26.22 mi14:07:353:36:478:168:26
8:17
#11182
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi119683115311511736(Top 46%)3092(Top 28%)3092(Top 66%)
10K6.21 mi3.10 mi11401+5672824+2912824+29110919(Top 43%)2601(Top 24%)2601(Top 56%)
15K9.32 mi3.11 mi11484-832908-842908-8411736(Top 46%)3092(Top 28%)3092(Top 66%)
20K12.43 mi3.11 mi11646-1623024-1163024-11612192(Top 48%)3425(Top 31%)3425(Top 73%)
Half13.11 mi0.68 mi11694-483054-303054-3012708(Top 50%)3715(Top 34%)3715(Top 80%)
25K15.53 mi2.42 mi11874-1803194-1403194-14012922(Top 51%)3991(Top 37%)3991(Top 86%)
30K18.64 mi3.11 mi11952-783325-1313325-13112288(Top 48%)3883(Top 36%)3883(Top 83%)
20M20.00 mi1.36 mi11944+83375-503375-5012204(Top 48%)4129(Top 38%)4129(Top 89%)
21M21.00 mi1.00 mi11845+993383-83383-811235(Top 44%)3859(Top 35%)3859(Top 83%)
35K21.75 mi0.75 mi11798+473384-13384-110941(Top 43%)3709(Top 34%)3709(Top 80%)
23M23.00 mi1.25 mi11617+1813364+203364+2010098(Top 40%)3447(Top 32%)3447(Top 74%)
24M24.00 mi1.00 mi11484+1333345+193345+199687(Top 38%)3279(Top 30%)3279(Top 70%)
40K24.85 mi0.85 mi11367+1173319+263319+269869(Top 39%)3505(Top 32%)3505(Top 75%)
25.2M25.20 mi0.35 mi11260+1073293+263293+267478(Top 29%)2427(Top 22%)2427(Top 52%)
Finish26.22 mi1.02 mi11182+783300-73300-710206(Top 40%)3604(Top 33%)3604(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

11736

Females

3092

F18-39

3092

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

10919

Females

2601

F18-39

2601

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

11736

Females

3092

F18-39

3092

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12192

Females

3425

F18-39

3425

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

12708

Females

3715

F18-39

3715

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

12922

Females

3991

F18-39

3991

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12288

Females

3883

F18-39

3883

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12204

Females

4129

F18-39

4129

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11235

Females

3859

F18-39

3859

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

10941

Females

3709

F18-39

3709

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10098

Females

3447

F18-39

3447

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

9687

Females

3279

F18-39

3279

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

9869

Females

3505

F18-39

3505

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7478

Females

2427

F18-39

2427

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10206

Females

3604

F18-39

3604

Passing Analysis

Category:
Athletes Passed
2675
Passed By
1889
Net Change
+786
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11968
5K → 10K63972+567#11968#11401
10K → 15K182265-83#11401#11484
15K → 20K186348-162#11484#11646
20K → Half2977-48#11646#11694
Half → 25K172352-180#11694#11874
25K → 30K261339-78#11874#11952
30K → 20M147139+8#11952#11944
20M → 21M18384+99#11944#11845
21M → 35K8942+47#11845#11798
35K → 23M23756+181#11798#11617
23M → 24M17037+133#11617#11484
24M → 40K14629+117#11484#11367
40K → 25.2M1103+107#11367#11260
25.2M → Finish12446+78#11260#11182
TOTALS26751889+786
📊

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