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BOSTON MARATHON 2024

Marcy Foster

Bib: 23702•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F70-74)
#0 / 61
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
10:28/mi
32:30
↑ 97↓ 3451.5%
10K· 6.21 mi
10:32/mi
1:05:12
↑ 79↓ 1380.4%
15K· 9.32 mi
10:55/mi
1:39:07
↑ 67↓ 78
20K· 12.43 mi
11:11/mi
2:13:53
↑ 106↓ 860.1%
Half· 13.11 mi
10:20/mi
2:20:56
↑ 19↓ 370.5%
25K· 15.53 mi
10:48/mi
2:47:08
↑ 66↓ 880.2%
30K· 18.64 mi
11:29/mi
3:22:48
↑ 181↓ 1480.2%
20M
11:35/mi
3:38:33
↑ 64↓ 500.2%
21M
13:04/mi
3:51:37
↑ 106↓ 241.6%
35K· 21.75 mi
11:27/mi
4:00:11
↑ 17↓ 861.7%
23M
12:46/mi
4:16:10
↑ 23↓ 630.6%
24M
12:13/mi
4:28:23
↓ 821.3%
40K· 24.85 mi
13:01/mi
4:39:31
↓ 200.3%
25.2M
15:54/mi
4:45:00
↑ 13↓ 160.2%
Finish· 26.22 mi
12:43/mi
4:57:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:56
Pace10:45 /mi
2nd Half
Distance13.11 mi
Time2:37:02
Pace11:59 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:33:1632:3010:2832:30
10:28
-
10K
6.21 mi12:05:581:05:1210:3032:42
10:32
+0:04
15K
9.32 mi12:39:531:39:0710:3833:55
10:55
+0:23
20K
12.43 mi13:14:392:13:5310:4634:46
11:11
+0:16
Half
13.11 mi13:21:422:20:5610:457:03
10:20
-0:51
25K
15.53 mi13:47:542:47:0810:4626:12
10:48
+0:28
30K
18.64 mi14:23:343:22:4810:5335:40
11:29
+0:41
20M
20.00 mi14:39:193:38:3310:5615:45
11:35
+0:06
21M
21.00 mi14:52:233:51:3711:0213:04
13:04
+1:29
35K
21.75 mi15:00:574:00:1111:038:34
11:27
-1:37
23M
23.00 mi15:16:564:16:1011:0815:59
12:46
+1:19
24M
24.00 mi15:29:094:28:2311:1112:13
12:13
-0:33
40K
24.85 mi15:40:174:39:3111:1511:08
13:01
+0:48
25.2M
25.20 mi15:45:464:45:0011:195:29
15:54
+2:53
Finish
26.22 mi15:58:444:57:5811:2212:58
12:43
-3:11

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

10:20 /mi

Average Pace

11:22 /mi

Slowest Pace

15:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:15

24% of race

Time at Steady Pace

2:34:52

52% of race

Time at Slower Pace

1:10:51

24% of race

Average Pace: 11:22 /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 mi11:33:1632:3010:2832:30
10:28
#24018
10K
6.21 mi12:05:581:05:1210:3032:42
10:32
#23772
15K
9.32 mi12:39:531:39:0710:3833:55
10:55
#23710
20K
12.43 mi13:14:392:13:5310:4634:46
11:11
#23564
Half
13.11 mi13:21:422:20:5610:457:03
10:20
#23503
25K
15.53 mi13:47:542:47:0810:4626:12
10:48
#23113
30K
18.64 mi14:23:343:22:4810:5335:40
11:29
#22739
20M
20.00 mi14:39:193:38:3310:5615:45
11:35
#22595
21M
21.00 mi14:52:233:51:3711:0213:04
13:04
#22502
35K
21.75 mi15:00:574:00:1111:038:34
11:27
#22449
23M
23.00 mi15:16:564:16:1011:0815:59
12:46
#22454
24M
24.00 mi15:29:094:28:2311:1112:13
12:13
#22423
40K
24.85 mi15:40:174:39:3111:1511:08
13:01
#22443
25.2M
25.20 mi15:45:464:45:0011:195:29
15:54
#22491
Finish
26.22 mi15:58:444:57:5811:2212:58
12:43
#22607
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi240189970997023622(Top 92%)9757(Top 89%)9757(Top 15995%)
10K6.21 mi3.10 mi23772+2469810+1609810+16023571(Top 92%)9722(Top 89%)9722(Top 15938%)
15K9.32 mi3.11 mi23710+629796+149796+1423622(Top 92%)9757(Top 89%)9757(Top 15995%)
20K12.43 mi3.11 mi23564+1469732+649732+6422961(Top 90%)9432(Top 86%)9432(Top 15462%)
Half13.11 mi0.68 mi23503+619703+299703+2922345(Top 87%)9149(Top 84%)9149(Top 14998%)
25K15.53 mi2.42 mi23113+3909514+1899514+18921100(Top 83%)8528(Top 78%)8528(Top 13980%)
30K18.64 mi3.11 mi22739+3749353+1619353+16120998(Top 82%)8638(Top 79%)8638(Top 14161%)
20M20.00 mi1.36 mi22595+1449295+589295+5820610(Top 81%)8544(Top 78%)8544(Top 14007%)
21M21.00 mi1.00 mi22502+939261+349261+3420868(Top 82%)8739(Top 80%)8739(Top 14326%)
35K21.75 mi0.75 mi22449+539246+159246+1520778(Top 81%)8714(Top 80%)8714(Top 14285%)
23M23.00 mi1.25 mi22454-59270-249270-2422159(Top 87%)9445(Top 86%)9445(Top 15484%)
24M24.00 mi1.00 mi22423+319267+39267+321874(Top 86%)9376(Top 86%)9376(Top 15370%)
40K24.85 mi0.85 mi22443-209304-379304-3722314(Top 87%)9602(Top 88%)9602(Top 15741%)
25.2M25.20 mi0.35 mi22491-489335-319335-3123977(Top 94%)10358(Top 95%)10358(Top 16980%)
Finish26.22 mi1.02 mi22607-1169399-649399-6424109(Top 94%)10429(Top 95%)10429(Top 17097%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

23622

Females

9757

F70-74

9757

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

23571

Females

9722

F70-74

9722

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

23622

Females

9757

F70-74

9757

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

22961

Females

9432

F70-74

9432

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

22345

Females

9149

F70-74

9149

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

21100

Females

8528

F70-74

8528

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

20998

Females

8638

F70-74

8638

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

20610

Females

8544

F70-74

8544

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

20868

Females

8739

F70-74

8739

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

20778

Females

8714

F70-74

8714

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

22159

Females

9445

F70-74

9445

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

21874

Females

9376

F70-74

9376

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

22314

Females

9602

F70-74

9602

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

23977

Females

10358

F70-74

10358

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

24109

Females

10429

F70-74

10429

Passing Analysis

Category:
Athletes Passed
2083
Passed By
672
Net Change
+1411
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24018
5K → 10K31771+246#24018#23772
10K → 15K186124+62#23772#23710
15K → 20K21468+146#23710#23564
20K → Half632+61#23564#23503
Half → 25K3911+390#23503#23113
25K → 30K38915+374#23113#22739
30K → 20M15915+144#22739#22595
20M → 21M11118+93#22595#22502
21M → 35K7320+53#22502#22449
35K → 23M4954-5#22449#22454
23M → 24M5322+31#22454#22423
24M → 40K4969-20#22423#22443
40K → 25.2M1159-48#22443#22491
25.2M → Finish18134-116#22491#22607
TOTALS2083672+1411
📊

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