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BOSTON MARATHON 2024

April Cobb

Bib: 14184•F

NC

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

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
7:40/mi
23:50
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
49:38
↑ 79↓ 1380.4%
15K· 9.32 mi
8:10/mi
1:15:00
↑ 67↓ 78
20K· 12.43 mi
8:24/mi
1:41:07
↑ 106↓ 860.1%
Half· 13.11 mi
8:17/mi
1:46:46
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:07:26
↑ 66↓ 880.2%
30K· 18.64 mi
9:01/mi
2:35:28
↑ 181↓ 1480.2%
20M
9:46/mi
2:48:45
↑ 64↓ 500.2%
21M
10:58/mi
2:59:43
↑ 106↓ 241.6%
35K· 21.75 mi
10:19/mi
3:07:26
↑ 17↓ 861.7%
23M
11:58/mi
3:22:25
↑ 23↓ 630.6%
24M
12:55/mi
3:35:20
↓ 821.3%
40K· 24.85 mi
15:15/mi
3:48:22
↓ 200.3%
25.2M
13:09/mi
3:52:54
↑ 13↓ 160.2%
Finish· 26.22 mi
12:32/mi
4:05:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:46
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time2:18:54
Pace10:36 /mi
📊Positive Split: 30.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:1723:507:4023:50
7:40
-
10K
6.21 mi11:23:0549:387:5925:48
8:18
+0:38
15K
9.32 mi11:48:271:15:008:0325:22
8:10
-0:08
20K
12.43 mi12:14:341:41:078:0826:07
8:24
+0:14
Half
13.11 mi12:20:131:46:468:095:39
8:17
-0:07
25K
15.53 mi12:40:532:07:268:1220:40
8:31
+0:14
30K
18.64 mi13:08:552:35:288:2028:02
9:01
+0:30
20M
20.00 mi13:22:122:48:458:2613:17
9:46
+0:45
21M
21.00 mi13:33:102:59:438:3310:58
10:58
+1:12
35K
21.75 mi13:40:533:07:268:377:43
10:19
-0:39
23M
23.00 mi13:55:523:22:258:4814:59
11:58
+1:39
24M
24.00 mi14:08:473:35:208:5812:55
12:55
+0:57
40K
24.85 mi14:21:493:48:229:1113:02
15:15
+2:20
25.2M
25.20 mi14:26:213:52:549:154:32
13:09
-2:06
Finish
26.22 mi14:39:074:05:409:2312:46
12:32
-0:37

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

7:40 /mi

Average Pace

9:23 /mi

Slowest Pace

15:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:26

52% of race

Time at Steady Pace

49:02

20% of race

Time at Slower Pace

1:09:12

28% of race

Average Pace: 9:22 /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 mi10:57:1723:507:4023:50
7:40
#12111
10K
6.21 mi11:23:0549:387:5925:48
8:18
#14323
15K
9.32 mi11:48:271:15:008:0325:22
8:10
#14367
20K
12.43 mi12:14:341:41:078:0826:07
8:24
#14312
Half
13.11 mi12:20:131:46:468:095:39
8:17
#14312
25K
15.53 mi12:40:532:07:268:1220:40
8:31
#14059
30K
18.64 mi13:08:552:35:288:2028:02
9:01
#13856
20M
20.00 mi13:22:122:48:458:2613:17
9:46
#14017
21M
21.00 mi13:33:102:59:438:3310:58
10:58
#14191
35K
21.75 mi13:40:533:07:268:377:43
10:19
#14423
23M
23.00 mi13:55:523:22:258:4814:59
11:58
#15102
24M
24.00 mi14:08:473:35:208:5812:55
12:55
#15792
40K
24.85 mi14:21:493:48:229:1113:02
15:15
#16586
25.2M
25.20 mi14:26:213:52:549:154:32
13:09
#16656
Finish
26.22 mi14:39:074:05:409:2312:46
12:32
#17092
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi121113196319614519(Top 57%)4674(Top 43%)4674(Top 100%)
10K6.21 mi3.10 mi14323-22124531-13354531-133516150(Top 63%)5619(Top 51%)5619(Top 121%)
15K9.32 mi3.11 mi14367-444555-244555-2414519(Top 57%)4674(Top 43%)4674(Top 100%)
20K12.43 mi3.11 mi14312+554552+34552+314300(Top 56%)4612(Top 42%)4612(Top 99%)
Half13.11 mi0.68 mi143124562-104562-1014552(Top 57%)4797(Top 44%)4797(Top 103%)
25K15.53 mi2.42 mi14059+2534442+1204442+12013204(Top 52%)4161(Top 38%)4161(Top 89%)
30K18.64 mi3.11 mi13856+2034394+484394+4813353(Top 52%)4481(Top 41%)4481(Top 96%)
20M20.00 mi1.36 mi14017-1614553-1594553-15915671(Top 61%)6044(Top 55%)6044(Top 130%)
21M21.00 mi1.00 mi14191-1744705-1524705-15216254(Top 64%)6457(Top 59%)6457(Top 139%)
35K21.75 mi0.75 mi14423-2324859-1544859-15418077(Top 71%)7378(Top 68%)7378(Top 158%)
23M23.00 mi1.25 mi15102-6795304-4455304-44520654(Top 81%)8722(Top 80%)8722(Top 187%)
24M24.00 mi1.00 mi15792-6905727-4235727-42322957(Top 90%)9877(Top 90%)9877(Top 212%)
40K24.85 mi0.85 mi16586-7946198-4716198-47124681(Top 97%)10652(Top 98%)10652(Top 229%)
25.2M25.20 mi0.35 mi16656-706249-516249-5119995(Top 78%)8508(Top 78%)8508(Top 183%)
Finish26.22 mi1.02 mi17092-4366528-2796528-27923919(Top 94%)10349(Top 95%)10349(Top 222%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

14519

Females

4674

F18-39

4674

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16150

Females

5619

F18-39

5619

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

14519

Females

4674

F18-39

4674

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14300

Females

4612

F18-39

4612

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

14552

Females

4797

F18-39

4797

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13204

Females

4161

F18-39

4161

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13353

Females

4481

F18-39

4481

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

15671

Females

6044

F18-39

6044

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

16254

Females

6457

F18-39

6457

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18077

Females

7378

F18-39

7378

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

20654

Females

8722

F18-39

8722

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

22957

Females

9877

F18-39

9877

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

24681

Females

10652

F18-39

10652

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

19995

Females

8508

F18-39

8508

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

23919

Females

10349

F18-39

10349

Passing Analysis

Category:
Athletes Passed
1583
Passed By
6564
Net Change
-4981
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12111
5K → 10K162228-2212#12111#14323
10K → 15K230274-44#14323#14367
15K → 20K259204+55#14367#14312
20K → Half48480#14312#14312
Half → 25K34188+253#14312#14059
25K → 30K374171+203#14059#13856
30K → 20M89250-161#13856#14017
20M → 21M93267-174#14017#14191
21M → 35K38270-232#14191#14423
35K → 23M31710-679#14423#15102
23M → 24M12702-690#15102#15792
24M → 40K12806-794#15792#16586
40K → 25.2M1888-70#16586#16656
25.2M → Finish22458-436#16656#17092
TOTALS15836564-4981
📊

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