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BOSTON MARATHON 2024

Samantha Brown

Bib: 18775•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 42%
Gender (Female)
#0 / 10924
Top 28%
Masters (Masters Women)
#0 / 6263
Top 16%
Division (F50-54)
#0 / 1187
Top 10%
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
7:54/mi
24:32
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
48:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:50/mi
1:13:16
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:38:15
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:43:40
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:03:17
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:29:29
↑ 181↓ 1480.2%
20M
8:52/mi
2:41:32
↑ 64↓ 500.2%
21M
9:09/mi
2:50:41
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:56:50
↑ 17↓ 861.7%
23M
8:27/mi
3:07:25
↑ 23↓ 630.6%
24M
8:16/mi
3:15:41
↓ 821.3%
40K· 24.85 mi
8:38/mi
3:23:04
↓ 200.3%
25.2M
9:52/mi
3:26:28
↑ 13↓ 160.2%
Finish· 26.22 mi
8:18/mi
3:34:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:40
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:51:15
Pace8:29 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4324:327:5424:32
7:54
-
10K
6.21 mi11:42:0848:577:5324:25
7:52
-0:02
15K
9.32 mi12:06:271:13:167:5224:19
7:50
-0:02
20K
12.43 mi12:31:261:38:157:5424:59
8:02
+0:12
Half
13.11 mi12:36:511:43:407:545:25
7:56
-0:06
25K
15.53 mi12:56:282:03:177:5619:37
8:05
+0:09
30K
18.64 mi13:22:402:29:298:0126:12
8:26
+0:21
20M
20.00 mi13:34:432:41:328:0512:03
8:52
+0:26
21M
21.00 mi13:43:522:50:418:089:09
9:09
+0:17
35K
21.75 mi13:50:012:56:508:086:09
8:13
-0:56
23M
23.00 mi14:00:363:07:258:0910:35
8:27
+0:14
24M
24.00 mi14:08:523:15:418:098:16
8:16
-0:11
40K
24.85 mi14:16:153:23:048:107:23
8:38
+0:22
25.2M
25.20 mi14:19:393:26:288:123:24
9:52
+1:14
Finish
26.22 mi14:28:063:34:558:128:27
8:18
-1:34

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

7:50 /mi

Average Pace

8:12 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:41

37% of race

Time at Steady Pace

1:44:15

49% of race

Time at Slower Pace

31:59

15% of race

Average Pace: 8:12 /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 mi11:17:4324:327:5424:32
7:54
#13856
10K
6.21 mi11:42:0848:577:5324:25
7:52
#13460
15K
9.32 mi12:06:271:13:167:5224:19
7:50
#12988
20K
12.43 mi12:31:261:38:157:5424:59
8:02
#12693
Half
13.11 mi12:36:511:43:407:545:25
7:56
#12654
25K
15.53 mi12:56:282:03:177:5619:37
8:05
#12249
30K
18.64 mi13:22:402:29:298:0126:12
8:26
#11806
20M
20.00 mi13:34:432:41:328:0512:03
8:52
#11731
21M
21.00 mi13:43:522:50:418:089:09
9:09
#11514
35K
21.75 mi13:50:012:56:508:086:09
8:13
#11384
23M
23.00 mi14:00:363:07:258:0910:35
8:27
#11120
24M
24.00 mi14:08:523:15:418:098:16
8:16
#10946
40K
24.85 mi14:16:153:23:048:107:23
8:38
#10814
25.2M
25.20 mi14:19:393:26:288:123:24
9:52
#10784
Finish
26.22 mi14:28:063:34:558:128:27
8:18
#10747
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi138564219421912153(Top 48%)3328(Top 30%)3328(Top 280%)
10K6.21 mi3.10 mi13460+3964006+2134006+21313143(Top 51%)3844(Top 35%)3844(Top 324%)
15K9.32 mi3.11 mi12988+4723745+2613745+26112153(Top 48%)3328(Top 30%)3328(Top 280%)
20K12.43 mi3.11 mi12693+2953600+1453600+14512131(Top 47%)3388(Top 31%)3388(Top 285%)
Half13.11 mi0.68 mi12654+393589+113589+1112348(Top 48%)3503(Top 32%)3503(Top 295%)
25K15.53 mi2.42 mi12249+4053401+1883401+18810771(Top 42%)2851(Top 26%)2851(Top 240%)
30K18.64 mi3.11 mi11806+4433237+1643237+16410302(Top 40%)2850(Top 26%)2850(Top 240%)
20M20.00 mi1.36 mi11731+753249-123249-1211445(Top 45%)3725(Top 34%)3725(Top 314%)
21M21.00 mi1.00 mi11514+2173206+433206+439292(Top 36%)2841(Top 26%)2841(Top 239%)
35K21.75 mi0.75 mi11384+1303162+443162+449128(Top 36%)2788(Top 26%)2788(Top 235%)
23M23.00 mi1.25 mi11120+2643101+613101+618229(Top 32%)2496(Top 23%)2496(Top 210%)
24M24.00 mi1.00 mi10946+1743049+523049+528151(Top 32%)2561(Top 23%)2561(Top 216%)
40K24.85 mi0.85 mi10814+1323033+163033+169074(Top 36%)3116(Top 29%)3116(Top 263%)
25.2M25.20 mi0.35 mi10784+303047-143047-1410374(Top 41%)3791(Top 35%)3791(Top 319%)
Finish26.22 mi1.02 mi10747+373065-183065-1810304(Top 40%)3644(Top 33%)3644(Top 307%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12153

Females

3328

F50-54

3328

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13143

Females

3844

F50-54

3844

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12153

Females

3328

F50-54

3328

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12131

Females

3388

F50-54

3388

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12348

Females

3503

F50-54

3503

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

10771

Females

2851

F50-54

2851

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10302

Females

2850

F50-54

2850

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11445

Females

3725

F50-54

3725

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9292

Females

2841

F50-54

2841

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9128

Females

2788

F50-54

2788

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8229

Females

2496

F50-54

2496

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8151

Females

2561

F50-54

2561

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9074

Females

3116

F50-54

3116

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10374

Females

3791

F50-54

3791

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10304

Females

3644

F50-54

3644

Passing Analysis

Category:
Athletes Passed
3871
Passed By
762
Net Change
+3109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13856
5K → 10K531135+396#13856#13460
10K → 15K51240+472#13460#12988
15K → 20K410115+295#12988#12693
20K → Half6728+39#12693#12654
Half → 25K45752+405#12654#12249
25K → 30K53289+443#12249#11806
30K → 20M183108+75#11806#11731
20M → 21M24427+217#11731#11514
21M → 35K14616+130#11514#11384
35K → 23M28622+264#11384#11120
23M → 24M19016+174#11120#10946
24M → 40K15927+132#10946#10814
40K → 25.2M5626+30#10814#10784
25.2M → Finish9861+37#10784#10747
TOTALS3871762+3109
📊

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