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BOSTON MARATHON 2024

Brooke Merrifield

Bib: 25262•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:07
Rank: #23025
Start → 5K
31:07 | 10:01/mi
10K· 6.21 mi
1:02:20
Rank: #22857 (+168)
5K → 10K
31:13 | 10:03/mi
15K· 9.32 mi
1:34:23
Rank: #22771 (+86)
10K → 15K
32:03 | 10:19/mi
20K· 12.43 mi
2:06:41
Rank: #22417 (+354)
15K → 20K
32:18 | 10:24/mi
Half· 13.11 mi
2:13:26
Rank: #22364 (+53)
20K → Half
6:45 | 9:54/mi
25K· 15.53 mi
2:38:18
Rank: #21961 (+403)
Half → 25K
24:52 | 10:15/mi
30K· 18.64 mi
3:11:12
Rank: #21393 (+568)
25K → 30K
32:54 | 10:35/mi
20M
3:25:48
Rank: #21191 (+202)
30K → 20M
14:36 | 10:45/mi
21M
3:37:33
Rank: #21028 (+163)
20M → 21M
11:45 | 11:45/mi
35K· 21.75 mi
3:45:12
Rank: #20923 (+105)
21M → 35K
7:39 | 10:14/mi
23M
3:58:23
Rank: #20704 (+219)
35K → 23M
13:11 | 10:32/mi
24M
4:08:54
Rank: #20586 (+118)
23M → 24M
10:31 | 10:31/mi
40K· 24.85 mi
4:18:09
Rank: #20477 (+109)
24M → 40K
9:15 | 10:49/mi
25.2M
4:22:13
Rank: #20420 (+57)
40K → 25.2M
4:04 | 11:48/mi
Finish· 26.22 mi
4:32:35
Rank: #20361 (+59)
25.2M → Finish
10:22 | 10:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:26
Pace10:11 /mi
2nd Half
Distance13.11 mi
Time2:19:09
Pace10:37 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3131:0710:0131:07
10:01
-
10K
6.21 mi12:20:441:02:2010:0231:13
10:03
+0:02
15K
9.32 mi12:52:471:34:2310:0832:03
10:19
+0:16
20K
12.43 mi13:25:052:06:4110:1232:18
10:24
+0:05
Half
13.11 mi13:31:502:13:2610:116:45
9:54
-0:30
25K
15.53 mi13:56:422:38:1810:1124:52
10:15
+0:21
30K
18.64 mi14:29:363:11:1210:1532:54
10:35
+0:20
20M
20.00 mi14:44:123:25:4810:1714:36
10:45
+0:10
21M
21.00 mi14:55:573:37:3310:2211:45
11:45
+1:00
35K
21.75 mi15:03:363:45:1210:217:39
10:14
-1:31
23M
23.00 mi15:16:473:58:2310:2213:11
10:32
+0:18
24M
24.00 mi15:27:184:08:5410:2210:31
10:31
-0:01
40K
24.85 mi15:36:334:18:0910:239:15
10:49
+0:18
25.2M
25.20 mi15:40:374:22:1310:244:04
11:48
+0:59
Finish
26.22 mi15:50:594:32:3510:2410:22
10:10
-1:38

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

9:54 /mi

Average Pace

10:24 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:16:46

94% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

15:49

6% of race

Average Pace: 10:24 /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 mi11:49:3131:0710:0131:07
10:01
#23025
10K
6.21 mi12:20:441:02:2010:0231:13
10:03
#22857
15K
9.32 mi12:52:471:34:2310:0832:03
10:19
#22771
20K
12.43 mi13:25:052:06:4110:1232:18
10:24
#22417
Half
13.11 mi13:31:502:13:2610:116:45
9:54
#22364
25K
15.53 mi13:56:422:38:1810:1124:52
10:15
#21961
30K
18.64 mi14:29:363:11:1210:1532:54
10:35
#21393
20M
20.00 mi14:44:123:25:4810:1714:36
10:45
#21191
21M
21.00 mi14:55:573:37:3310:2211:45
11:45
#21028
35K
21.75 mi15:03:363:45:1210:217:39
10:14
#20923
23M
23.00 mi15:16:473:58:2310:2213:11
10:32
#20704
24M
24.00 mi15:27:184:08:5410:2210:31
10:31
#20586
40K
24.85 mi15:36:334:18:0910:239:15
10:49
#20477
25.2M
25.20 mi15:40:374:22:1310:244:04
11:48
#20420
Finish
26.22 mi15:50:594:32:3510:2410:22
10:10
#20361
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi230259403940322570(Top 88%)9191(Top 84%)9191(Top 197%)
10K6.21 mi3.10 mi22857+1689338+659338+6522651(Top 89%)9259(Top 85%)9259(Top 199%)
15K9.32 mi3.11 mi22771+869289+499289+4922570(Top 88%)9191(Top 84%)9191(Top 197%)
20K12.43 mi3.11 mi22417+3549119+1709119+17021455(Top 84%)8609(Top 79%)8609(Top 185%)
Half13.11 mi0.68 mi22364+539096+239096+2321209(Top 83%)8518(Top 78%)8518(Top 183%)
25K15.53 mi2.42 mi21961+4038906+1908906+19019810(Top 78%)7818(Top 72%)7818(Top 168%)
30K18.64 mi3.11 mi21393+5688645+2618645+26118994(Top 74%)7575(Top 69%)7575(Top 163%)
20M20.00 mi1.36 mi21191+2028562+838562+8318663(Top 73%)7544(Top 69%)7544(Top 162%)
21M21.00 mi1.00 mi21028+1638502+608502+6018256(Top 71%)7457(Top 68%)7457(Top 160%)
35K21.75 mi0.75 mi20923+1058460+428460+4217849(Top 70%)7264(Top 66%)7264(Top 156%)
23M23.00 mi1.25 mi20704+2198373+878373+8717142(Top 67%)6981(Top 64%)6981(Top 150%)
24M24.00 mi1.00 mi20586+1188334+398334+3917912(Top 70%)7429(Top 68%)7429(Top 159%)
40K24.85 mi0.85 mi20477+1098295+398295+3917632(Top 69%)7337(Top 67%)7337(Top 157%)
25.2M25.20 mi0.35 mi20420+578265+308265+3016879(Top 66%)6989(Top 64%)6989(Top 150%)
Finish26.22 mi1.02 mi20361+598251+148251+1419004(Top 74%)7973(Top 73%)7973(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

22570

Females

9191

F18-39

9191

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

22651

Females

9259

F18-39

9259

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

22570

Females

9191

F18-39

9191

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

21455

Females

8609

F18-39

8609

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

21209

Females

8518

F18-39

8518

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

19810

Females

7818

F18-39

7818

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

18994

Females

7575

F18-39

7575

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

18663

Females

7544

F18-39

7544

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18256

Females

7457

F18-39

7457

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

17849

Females

7264

F18-39

7264

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17142

Females

6981

F18-39

6981

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

17912

Females

7429

F18-39

7429

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

17632

Females

7337

F18-39

7337

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

16879

Females

6989

F18-39

6989

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

19004

Females

7973

F18-39

7973

Passing Analysis

Category:
Athletes Passed
2996
Passed By
332
Net Change
+2664
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23025
5K → 10K292124+168#23025#22857
10K → 15K192106+86#22857#22771
15K → 20K38531+354#22771#22417
20K → Half563+53#22417#22364
Half → 25K4030+403#22364#21961
25K → 30K5746+568#21961#21393
30K → 20M2108+202#21393#21191
20M → 21M17310+163#21191#21028
21M → 35K1116+105#21028#20923
35K → 23M2201+219#20923#20704
23M → 24M1279+118#20704#20586
24M → 40K1167+109#20586#20477
40K → 25.2M592+57#20477#20420
25.2M → Finish7819+59#20420#20361
TOTALS2996332+2664
📊

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