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BOSTON MARATHON 2024

Emma Costa

Bib: 14283•F

ON

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 39%
Division (F18-39)
#0 / 4660
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
8:00/mi
24:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
49:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:15:08
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:41:34
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:47:05
↑ 19↓ 370.5%
25K· 15.53 mi
8:36/mi
2:07:55
↑ 66↓ 880.2%
30K· 18.64 mi
8:58/mi
2:35:45
↑ 181↓ 1480.2%
20M
8:54/mi
2:47:50
↑ 64↓ 500.2%
21M
10:12/mi
2:58:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
3:04:19
↑ 17↓ 861.7%
23M
8:50/mi
3:15:23
↑ 23↓ 630.6%
24M
8:47/mi
3:24:10
↓ 821.3%
40K· 24.85 mi
9:13/mi
3:32:03
↓ 200.3%
25.2M
11:01/mi
3:35:51
↑ 13↓ 160.2%
Finish· 26.22 mi
8:25/mi
3:44:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:05
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:57:21
Pace8:57 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:3724:518:0024:51
8:00
-
10K
6.21 mi11:21:3549:498:0124:58
8:02
+0:02
15K
9.32 mi11:46:541:15:088:0425:19
8:09
+0:07
20K
12.43 mi12:13:201:41:348:1026:26
8:30
+0:21
Half
13.11 mi12:18:511:47:058:105:31
8:05
-0:25
25K
15.53 mi12:39:412:07:558:1420:50
8:36
+0:31
30K
18.64 mi13:07:312:35:458:2127:50
8:58
+0:22
20M
20.00 mi13:19:362:47:508:2312:05
8:54
-0:04
21M
21.00 mi13:29:482:58:028:2910:12
10:12
+1:18
35K
21.75 mi13:36:053:04:198:296:17
8:24
-1:48
23M
23.00 mi13:47:093:15:238:3011:04
8:50
+0:26
24M
24.00 mi13:55:563:24:108:308:47
8:47
-0:03
40K
24.85 mi14:03:493:32:038:327:53
9:13
+0:26
25.2M
25.20 mi14:07:373:35:518:343:48
11:01
+1:48
Finish
26.22 mi14:16:123:44:268:348:35
8:25
-2:36

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

8:00 /mi

Average Pace

8:34 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:39

36% of race

Time at Steady Pace

2:01:54

54% of race

Time at Slower Pace

21:53

10% of race

Average Pace: 8:34 /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 mi10:56:3724:518:0024:51
8:00
#14638
10K
6.21 mi11:21:3549:498:0124:58
8:02
#14548
15K
9.32 mi11:46:541:15:088:0425:19
8:09
#14455
20K
12.43 mi12:13:201:41:348:1026:26
8:30
#14565
Half
13.11 mi12:18:511:47:058:105:31
8:05
#14461
25K
15.53 mi12:39:412:07:558:1420:50
8:36
#14260
30K
18.64 mi13:07:312:35:458:2127:50
8:58
#13936
20M
20.00 mi13:19:362:47:508:2312:05
8:54
#13723
21M
21.00 mi13:29:482:58:028:2910:12
10:12
#13706
35K
21.75 mi13:36:053:04:198:296:17
8:24
#13545
23M
23.00 mi13:47:093:15:238:3011:04
8:50
#13316
24M
24.00 mi13:55:563:24:108:308:47
8:47
#13179
40K
24.85 mi14:03:493:32:038:327:53
9:13
#13103
25.2M
25.20 mi14:07:373:35:518:343:48
11:01
#13126
Finish
26.22 mi14:16:123:44:268:348:35
8:25
#13016
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi146384715471514399(Top 56%)4606(Top 42%)4606(Top 99%)
10K6.21 mi3.10 mi14548+904658+574658+5714463(Top 57%)4607(Top 42%)4607(Top 99%)
15K9.32 mi3.11 mi14455+934606+524606+5214399(Top 56%)4606(Top 42%)4606(Top 99%)
20K12.43 mi3.11 mi14565-1104693-874693-8714860(Top 58%)4919(Top 45%)4919(Top 106%)
Half13.11 mi0.68 mi14461+1044646+474646+4713355(Top 52%)4119(Top 38%)4119(Top 88%)
25K15.53 mi2.42 mi14260+2014550+964550+9613555(Top 53%)4357(Top 40%)4357(Top 93%)
30K18.64 mi3.11 mi13936+3244443+1074443+10713035(Top 51%)4295(Top 39%)4295(Top 92%)
20M20.00 mi1.36 mi13723+2134382+614382+6111584(Top 45%)3811(Top 35%)3811(Top 82%)
21M21.00 mi1.00 mi13706+174435-534435-5313749(Top 54%)5176(Top 47%)5176(Top 111%)
35K21.75 mi0.75 mi13545+1614382+534382+5310193(Top 40%)3344(Top 31%)3344(Top 72%)
23M23.00 mi1.25 mi13316+2294307+754307+7510330(Top 40%)3573(Top 33%)3573(Top 77%)
24M24.00 mi1.00 mi13179+1374277+304277+3011056(Top 43%)3951(Top 36%)3951(Top 85%)
40K24.85 mi0.85 mi13103+764280-34280-311908(Top 47%)4492(Top 41%)4492(Top 96%)
25.2M25.20 mi0.35 mi13126-234303-234303-2314575(Top 57%)5820(Top 53%)5820(Top 125%)
Finish26.22 mi1.02 mi13016+1104289+144289+1411116(Top 44%)4041(Top 37%)4041(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14399

Females

4606

F18-39

4606

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

14463

Females

4607

F18-39

4607

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14399

Females

4606

F18-39

4606

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

14860

Females

4919

F18-39

4919

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13355

Females

4119

F18-39

4119

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

13555

Females

4357

F18-39

4357

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13035

Females

4295

F18-39

4295

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11584

Females

3811

F18-39

3811

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

13749

Females

5176

F18-39

5176

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10193

Females

3344

F18-39

3344

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

10330

Females

3573

F18-39

3573

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11056

Females

3951

F18-39

3951

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

11908

Females

4492

F18-39

4492

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

14575

Females

5820

F18-39

5820

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11116

Females

4041

F18-39

4041

Passing Analysis

Category:
Athletes Passed
2966
Passed By
1344
Net Change
+1622
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14638
5K → 10K323233+90#14638#14548
10K → 15K291198+93#14548#14455
15K → 20K203313-110#14455#14565
20K → Half1106+104#14565#14461
Half → 25K307106+201#14461#14260
25K → 30K441117+324#14260#13936
30K → 20M24835+213#13936#13723
20M → 21M148131+17#13723#13706
21M → 35K1709+161#13706#13545
35K → 23M24617+229#13545#13316
23M → 24M17841+137#13316#13179
24M → 40K12044+76#13179#13103
40K → 25.2M3255-23#13103#13126
25.2M → Finish14939+110#13126#13016
TOTALS29661344+1622
📊

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