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BOSTON MARATHON 2024

Laura Pierce

Bib: 18454•F

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 45%
Masters (Masters Women)
#0 / 6263
Top 35%
Division (F55-59)
#0 / 876
Top 16%
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
8:13/mi
25:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:09/mi
50:50
↑ 79↓ 1380.4%
15K· 9.32 mi
8:17/mi
1:16:35
↑ 67↓ 78
20K· 12.43 mi
8:47/mi
1:43:53
↑ 106↓ 860.1%
Half· 13.11 mi
8:43/mi
1:49:50
↑ 19↓ 370.5%
25K· 15.53 mi
8:55/mi
2:11:27
↑ 66↓ 880.2%
30K· 18.64 mi
9:03/mi
2:39:35
↑ 181↓ 1480.2%
20M
9:03/mi
2:51:53
↑ 64↓ 500.2%
21M
9:31/mi
3:01:24
↑ 106↓ 241.6%
35K· 21.75 mi
9:21/mi
3:08:24
↑ 17↓ 861.7%
23M
9:05/mi
3:19:47
↑ 23↓ 630.6%
24M
9:25/mi
3:29:12
↓ 821.3%
40K· 24.85 mi
9:26/mi
3:37:16
↓ 200.3%
25.2M
11:30/mi
3:41:14
↑ 13↓ 160.2%
Finish· 26.22 mi
8:32/mi
3:49:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:50
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time2:00:06
Pace9:10 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5725:318:1325:31
8:13
-
10K
6.21 mi11:44:1650:508:1125:19
8:09
-0:04
15K
9.32 mi12:10:011:16:358:1325:45
8:17
+0:08
20K
12.43 mi12:37:191:43:538:2227:18
8:47
+0:30
Half
13.11 mi12:43:161:49:508:235:57
8:43
-0:04
25K
15.53 mi13:04:532:11:278:2821:37
8:55
+0:12
30K
18.64 mi13:33:012:39:358:3428:08
9:03
+0:08
20M
20.00 mi13:45:192:51:538:3612:18
9:03
0:00
21M
21.00 mi13:54:503:01:248:389:31
9:31
+0:28
35K
21.75 mi14:01:503:08:248:407:00
9:21
-0:10
23M
23.00 mi14:13:133:19:478:4111:23
9:05
-0:16
24M
24.00 mi14:22:383:29:128:439:25
9:25
+0:20
40K
24.85 mi14:30:423:37:168:448:04
9:26
+0:01
25.2M
25.20 mi14:34:403:41:148:473:58
11:30
+2:04
Finish
26.22 mi14:43:223:49:568:478:42
8:32
-2:58

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

8:09 /mi

Average Pace

8:47 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:17

37% of race

Time at Steady Pace

2:11:10

57% of race

Time at Slower Pace

13:29

6% of race

Average Pace: 8:46 /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 mi11:18:5725:318:1325:31
8:13
#16115
10K
6.21 mi11:44:1650:508:1125:19
8:09
#15646
15K
9.32 mi12:10:011:16:358:1325:45
8:17
#15458
20K
12.43 mi12:37:191:43:538:2227:18
8:47
#15614
Half
13.11 mi12:43:161:49:508:235:57
8:43
#15689
25K
15.53 mi13:04:532:11:278:2821:37
8:55
#15575
30K
18.64 mi13:33:012:39:358:3428:08
9:03
#15152
20M
20.00 mi13:45:192:51:538:3612:18
9:03
#14955
21M
21.00 mi13:54:503:01:248:389:31
9:31
#14677
35K
21.75 mi14:01:503:08:248:407:00
9:21
#14691
23M
23.00 mi14:13:133:19:478:4111:23
9:05
#14470
24M
24.00 mi14:22:383:29:128:439:25
9:25
#14432
40K
24.85 mi14:30:423:37:168:448:04
9:26
#14351
25.2M
25.20 mi14:34:403:41:148:473:58
11:30
#14383
Finish
26.22 mi14:43:223:49:568:478:42
8:32
#14255
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi161155628562815214(Top 60%)5093(Top 47%)5093(Top 581%)
10K6.21 mi3.10 mi15646+4695326+3025326+30215230(Top 60%)5067(Top 46%)5067(Top 578%)
15K9.32 mi3.11 mi15458+1885221+1055221+10515214(Top 60%)5093(Top 47%)5093(Top 581%)
20K12.43 mi3.11 mi15614-1565334-1135334-11316320(Top 64%)5778(Top 53%)5778(Top 660%)
Half13.11 mi0.68 mi15689-755384-505384-5016948(Top 66%)6179(Top 57%)6179(Top 705%)
25K15.53 mi2.42 mi15575+1145348+365348+3615131(Top 59%)5247(Top 48%)5247(Top 599%)
30K18.64 mi3.11 mi15152+4235172+1765172+17613508(Top 53%)4573(Top 42%)4573(Top 522%)
20M20.00 mi1.36 mi14955+1975097+755097+7512430(Top 49%)4258(Top 39%)4258(Top 486%)
21M21.00 mi1.00 mi14677+2784982+1154982+11510944(Top 43%)3727(Top 34%)3727(Top 425%)
35K21.75 mi0.75 mi14691-145031-495031-4914958(Top 59%)5816(Top 53%)5816(Top 664%)
23M23.00 mi1.25 mi14470+2214967+644967+6411666(Top 46%)4243(Top 39%)4243(Top 484%)
24M24.00 mi1.00 mi14432+384982-154982-1514136(Top 55%)5505(Top 50%)5505(Top 628%)
40K24.85 mi0.85 mi14351+814970+124970+1212859(Top 50%)4972(Top 46%)4972(Top 568%)
25.2M25.20 mi0.35 mi14383-325005-355005-3516062(Top 63%)6561(Top 60%)6561(Top 749%)
Finish26.22 mi1.02 mi14255+1284958+474958+4711754(Top 46%)4356(Top 40%)4356(Top 497%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15214

Females

5093

F55-59

5093

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15230

Females

5067

F55-59

5067

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15214

Females

5093

F55-59

5093

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

16320

Females

5778

F55-59

5778

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

16948

Females

6179

F55-59

6179

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15131

Females

5247

F55-59

5247

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

13508

Females

4573

F55-59

4573

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12430

Females

4258

F55-59

4258

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

10944

Females

3727

F55-59

3727

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

14958

Females

5816

F55-59

5816

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

11666

Females

4243

F55-59

4243

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14136

Females

5505

F55-59

5505

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

12859

Females

4972

F55-59

4972

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16062

Females

6561

F55-59

6561

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

11754

Females

4356

F55-59

4356

Passing Analysis

Category:
Athletes Passed
3106
Passed By
1246
Net Change
+1860
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16115
5K → 10K575106+469#16115#15646
10K → 15K327139+188#15646#15458
15K → 20K179335-156#15458#15614
20K → Half1994-75#15614#15689
Half → 25K267153+114#15689#15575
25K → 30K48461+423#15575#15152
30K → 20M23235+197#15152#14955
20M → 21M29719+278#14955#14677
21M → 35K7387-14#14677#14691
35K → 23M25332+221#14691#14470
23M → 24M11173+38#14470#14432
24M → 40K11231+81#14432#14351
40K → 25.2M2658-32#14351#14383
25.2M → Finish15123+128#14383#14255
TOTALS31061246+1860
📊

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