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BOSTON MARATHON 2024

Anne Shreffler

Bib: 28032•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F65-69)
#0 / 216
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
9:52/mi
30:40
↑ 97↓ 3451.5%
10K· 6.21 mi
9:45/mi
1:00:58
↑ 79↓ 1380.4%
15K· 9.32 mi
9:46/mi
1:31:18
↑ 67↓ 78
20K· 12.43 mi
11:50/mi
2:08:04
↑ 106↓ 860.1%
Half· 13.11 mi
10:17/mi
2:15:05
↑ 19↓ 370.5%
25K· 15.53 mi
11:02/mi
2:41:49
↑ 66↓ 880.2%
30K· 18.64 mi
11:20/mi
3:17:03
↑ 181↓ 1480.2%
20M
11:13/mi
3:32:17
↑ 64↓ 500.2%
21M
13:50/mi
3:46:07
↑ 106↓ 241.6%
35K· 21.75 mi
11:19/mi
3:54:35
↑ 17↓ 861.7%
23M
12:16/mi
4:09:57
↑ 23↓ 630.6%
24M
11:17/mi
4:21:14
↓ 821.3%
40K· 24.85 mi
13:36/mi
4:32:52
↓ 200.3%
25.2M
12:17/mi
4:37:06
↑ 13↓ 160.2%
Finish· 26.22 mi
10:38/mi
4:47:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:05
Pace10:18 /mi
2nd Half
Distance13.11 mi
Time2:32:51
Pace11:40 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2330:409:5230:40
9:52
-
10K
6.21 mi12:21:411:00:589:4930:18
9:45
-0:07
15K
9.32 mi12:52:011:31:189:4830:20
9:46
+0:01
20K
12.43 mi13:28:472:08:0410:1836:46
11:50
+2:04
Half
13.11 mi13:35:482:15:0510:187:01
10:17
-1:33
25K
15.53 mi14:02:322:41:4910:2526:44
11:02
+0:45
30K
18.64 mi14:37:463:17:0310:3435:14
11:20
+0:18
20M
20.00 mi14:53:003:32:1710:3715:14
11:13
-0:07
21M
21.00 mi15:06:503:46:0710:4613:50
13:50
+2:37
35K
21.75 mi15:15:183:54:3510:478:28
11:19
-2:31
23M
23.00 mi15:30:404:09:5710:5215:22
12:16
+0:57
24M
24.00 mi15:41:574:21:1410:5311:17
11:17
-0:59
40K
24.85 mi15:53:354:32:5210:5911:38
13:36
+2:19
25.2M
25.20 mi15:57:494:37:0611:004:14
12:17
-1:19
Finish
26.22 mi16:08:394:47:5610:5910:50
10:38
-1:39

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

9:45 /mi

Average Pace

10:59 /mi

Slowest Pace

13:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:09

38% of race

Time at Steady Pace

2:13:43

46% of race

Time at Slower Pace

45:04

16% of race

Average Pace: 10:59 /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 mi11:51:2330:409:5230:40
9:52
#22677
10K
6.21 mi12:21:411:00:589:4930:18
9:45
#22355
15K
9.32 mi12:52:011:31:189:4830:20
9:46
#21985
20K
12.43 mi13:28:472:08:0410:1836:46
11:50
#22642
Half
13.11 mi13:35:482:15:0510:187:01
10:17
#22619
25K
15.53 mi14:02:322:41:4910:2526:44
11:02
#22453
30K
18.64 mi14:37:463:17:0310:3435:14
11:20
#22115
20M
20.00 mi14:53:003:32:1710:3715:14
11:13
#21926
21M
21.00 mi15:06:503:46:0710:4613:50
13:50
#21952
35K
21.75 mi15:15:183:54:3510:478:28
11:19
#21899
23M
23.00 mi15:30:404:09:5710:5215:22
12:16
#21854
24M
24.00 mi15:41:574:21:1410:5311:17
11:17
#21759
40K
24.85 mi15:53:354:32:5210:5911:38
13:36
#21820
25.2M
25.20 mi15:57:494:37:0611:004:14
12:17
#21774
Finish
26.22 mi16:08:394:47:5610:5910:50
10:38
#21740
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi226779244924421358(Top 84%)8526(Top 78%)8526(Top 3947%)
10K6.21 mi3.10 mi22355+3229088+1569088+15621988(Top 86%)8906(Top 82%)8906(Top 4123%)
15K9.32 mi3.11 mi21985+3708889+1998889+19921358(Top 84%)8526(Top 78%)8526(Top 3947%)
20K12.43 mi3.11 mi22642-6579227-3389227-33823794(Top 93%)9895(Top 91%)9895(Top 4581%)
Half13.11 mi0.68 mi22619+239216+119216+1122238(Top 87%)9084(Top 83%)9084(Top 4206%)
25K15.53 mi2.42 mi22453+1669146+709146+7021556(Top 84%)8767(Top 80%)8767(Top 4059%)
30K18.64 mi3.11 mi22115+3389028+1189028+11820710(Top 81%)8483(Top 78%)8483(Top 3927%)
20M20.00 mi1.36 mi21926+1898954+748954+7419777(Top 77%)8110(Top 74%)8110(Top 3755%)
21M21.00 mi1.00 mi21952-268981-278981-2722102(Top 87%)9341(Top 86%)9341(Top 4325%)
35K21.75 mi0.75 mi21899+538973+88973+820489(Top 80%)8590(Top 79%)8590(Top 3977%)
23M23.00 mi1.25 mi21854+458970+38970+321283(Top 83%)9023(Top 83%)9023(Top 4177%)
24M24.00 mi1.00 mi21759+958956+148956+1419965(Top 78%)8424(Top 77%)8424(Top 3900%)
40K24.85 mi0.85 mi21820-618990-348990-3423145(Top 91%)9995(Top 91%)9995(Top 4627%)
25.2M25.20 mi0.35 mi21774+468978+128978+1218030(Top 71%)7563(Top 69%)7563(Top 3501%)
Finish26.22 mi1.02 mi21740+348970+88970+820395(Top 80%)8677(Top 79%)8677(Top 4017%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

21358

Females

8526

F65-69

8526

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

21988

Females

8906

F65-69

8906

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

21358

Females

8526

F65-69

8526

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

23794

Females

9895

F65-69

9895

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

22238

Females

9084

F65-69

9084

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

21556

Females

8767

F65-69

8767

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

20710

Females

8483

F65-69

8483

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

19777

Females

8110

F65-69

8110

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

22102

Females

9341

F65-69

9341

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

20489

Females

8590

F65-69

8590

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

21283

Females

9023

F65-69

9023

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

19965

Females

8424

F65-69

8424

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

23145

Females

9995

F65-69

9995

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18030

Females

7563

F65-69

7563

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

20395

Females

8677

F65-69

8677

Passing Analysis

Category:
Athletes Passed
2106
Passed By
1169
Net Change
+937
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22677
5K → 10K39775+322#22677#22355
10K → 15K41040+370#22355#21985
15K → 20K36693-657#21985#22642
20K → Half3815+23#22642#22619
Half → 25K20640+166#22619#22453
25K → 30K36628+338#22453#22115
30K → 20M1956+189#22115#21926
20M → 21M5177-26#21926#21952
21M → 35K6714+53#21952#21899
35K → 23M9146+45#21899#21854
23M → 24M11217+95#21854#21759
24M → 40K2990-61#21759#21820
40K → 25.2M493+46#21820#21774
25.2M → Finish5925+34#21774#21740
TOTALS21061169+937
📊

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