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BOSTON MARATHON 2024

Mary Ley

Bib: 15575•F

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:38
Rank: #18183
Start → 5K
26:38 | 8:34/mi
10K· 6.21 mi
55:10
Rank: #19393 (-1210)
5K → 10K
28:32 | 9:11/mi
15K· 9.32 mi
1:27:11
Rank: #20801 (-1408)
10K → 15K
32:01 | 10:18/mi
20K· 12.43 mi
2:03:19
Rank: #21799 (-998)
15K → 20K
36:08 | 11:38/mi
Half· 13.11 mi
2:10:29
Rank: #21835 (-36)
20K → Half
7:10 | 10:30/mi
25K· 15.53 mi
2:41:17
Rank: #22376 (-541)
Half → 25K
30:48 | 12:42/mi
30K· 18.64 mi
3:16:48
Rank: #22082 (+294)
25K → 30K
35:31 | 11:26/mi
20M
3:33:36
Rank: #22074 (+8)
30K → 20M
16:48 | 12:22/mi
21M
3:48:38
Rank: #22212 (-138)
20M → 21M
15:02 | 15:02/mi
35K· 21.75 mi
4:00:29
Rank: #22469 (-257)
21M → 35K
11:51 | 15:50/mi
23M
4:16:26
Rank: #22468 (+1)
35K → 23M
15:57 | 12:44/mi
24M
4:28:28
Rank: #22430 (+38)
23M → 24M
12:02 | 12:02/mi
40K· 24.85 mi
4:42:01
Rank: #22639 (-209)
24M → 40K
13:33 | 15:51/mi
25.2M
4:48:04
Rank: #22735 (-96)
40K → 25.2M
6:03 | 17:33/mi
Finish· 26.22 mi
4:59:02
Rank: #22700 (+35)
25.2M → Finish
10:58 | 10:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:29
Pace9:57 /mi
2nd Half
Distance13.11 mi
Time2:48:33
Pace12:51 /mi
📊Positive Split: 29.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:59:1326:388:3426:38
8:34
-
10K
6.21 mi11:27:4555:108:5328:32
9:11
+0:37
15K
9.32 mi11:59:461:27:119:2132:01
10:18
+1:07
20K
12.43 mi12:35:542:03:199:5536:08
11:38
+1:20
Half
13.11 mi12:43:042:10:299:577:10
10:30
-1:08
25K
15.53 mi13:13:522:41:1710:2330:48
12:42
+2:12
30K
18.64 mi13:49:233:16:4810:3335:31
11:26
-1:16
20M
20.00 mi14:06:113:33:3610:4116:48
12:22
+0:56
21M
21.00 mi14:21:133:48:3810:5315:02
15:02
+2:40
35K
21.75 mi14:33:044:00:2911:0311:51
15:50
+0:48
23M
23.00 mi14:49:014:16:2611:0915:57
12:44
-3:06
24M
24.00 mi15:01:034:28:2811:1112:02
12:02
-0:42
40K
24.85 mi15:14:364:42:0111:2113:33
15:51
+3:49
25.2M
25.20 mi15:20:394:48:0411:266:03
17:33
+1:42
Finish
26.22 mi15:31:374:59:0211:2510:58
10:46
-6:47

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

8:34 /mi

Average Pace

11:25 /mi

Slowest Pace

17:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:19

35% of race

Time at Steady Pace

2:27:14

49% of race

Time at Slower Pace

46:29

16% of race

Average Pace: 11:24 /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 mi10:59:1326:388:3426:38
8:34
#18183
10K
6.21 mi11:27:4555:108:5328:32
9:11
#19393
15K
9.32 mi11:59:461:27:119:2132:01
10:18
#20801
20K
12.43 mi12:35:542:03:199:5536:08
11:38
#21799
Half
13.11 mi12:43:042:10:299:577:10
10:30
#21835
25K
15.53 mi13:13:522:41:1710:2330:48
12:42
#22376
30K
18.64 mi13:49:233:16:4810:3335:31
11:26
#22082
20M
20.00 mi14:06:113:33:3610:4116:48
12:22
#22074
21M
21.00 mi14:21:133:48:3810:5315:02
15:02
#22212
35K
21.75 mi14:33:044:00:2911:0311:51
15:50
#22469
23M
23.00 mi14:49:014:16:2611:0915:57
12:44
#22468
24M
24.00 mi15:01:034:28:2811:1112:02
12:02
#22430
40K
24.85 mi15:14:364:42:0111:2113:33
15:51
#22639
25.2M
25.20 mi15:20:394:48:0411:266:03
17:33
#22735
Finish
26.22 mi15:31:374:59:0211:2510:58
10:46
#22700
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi181836871687122557(Top 88%)9182(Top 84%)9182(Top 1048%)
10K6.21 mi3.10 mi19393-12107531-6607531-66020452(Top 80%)8074(Top 74%)8074(Top 922%)
15K9.32 mi3.11 mi20801-14088253-7228253-72222557(Top 88%)9182(Top 84%)9182(Top 1048%)
20K12.43 mi3.11 mi21799-9988794-5418794-54123538(Top 92%)9748(Top 89%)9748(Top 1113%)
Half13.11 mi0.68 mi21835-368816-228816-2222671(Top 89%)9316(Top 85%)9316(Top 1063%)
25K15.53 mi2.42 mi22376-5419111-2959111-29523932(Top 94%)10035(Top 92%)10035(Top 1146%)
30K18.64 mi3.11 mi22082+2949013+989013+9820885(Top 82%)8577(Top 79%)8577(Top 979%)
20M20.00 mi1.36 mi22074+89033-209033-2021957(Top 86%)9234(Top 85%)9234(Top 1054%)
21M21.00 mi1.00 mi22212-1389112-799112-7923596(Top 92%)10078(Top 92%)10078(Top 1150%)
35K21.75 mi0.75 mi22469-2579259-1479259-14725129(Top 98%)10791(Top 99%)10791(Top 1232%)
23M23.00 mi1.25 mi22468+19277-189277-1822109(Top 87%)9427(Top 86%)9427(Top 1076%)
24M24.00 mi1.00 mi22430+389272+59272+521525(Top 84%)9203(Top 84%)9203(Top 1051%)
40K24.85 mi0.85 mi22639-2099394-1229394-12224925(Top 98%)10737(Top 98%)10737(Top 1226%)
25.2M25.20 mi0.35 mi22735-969444-509444-5024867(Top 97%)10707(Top 98%)10707(Top 1222%)
Finish26.22 mi1.02 mi22700+359434+109434+1020734(Top 81%)8844(Top 81%)8844(Top 1010%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

22557

Females

9182

F55-59

9182

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

20452

Females

8074

F55-59

8074

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

22557

Females

9182

F55-59

9182

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

23538

Females

9748

F55-59

9748

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

22671

Females

9316

F55-59

9316

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

23932

Females

10035

F55-59

10035

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

20885

Females

8577

F55-59

8577

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

21957

Females

9234

F55-59

9234

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

23596

Females

10078

F55-59

10078

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

25129

Females

10791

F55-59

10791

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

22109

Females

9427

F55-59

9427

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

21525

Females

9203

F55-59

9203

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

24925

Females

10737

F55-59

10737

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

24867

Females

10707

F55-59

10707

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

20734

Females

8844

F55-59

8844

Passing Analysis

Category:
Athletes Passed
768
Passed By
5285
Net Change
-4517
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18183
5K → 10K431253-1210#18183#19393
10K → 15K221430-1408#19393#20801
15K → 20K191017-998#20801#21799
20K → Half1854-36#21799#21835
Half → 25K32573-541#21835#22376
25K → 30K33440+294#22376#22082
30K → 20M8274+8#22082#22074
20M → 21M22160-138#22074#22212
21M → 35K11268-257#22212#22469
35K → 23M5453+1#22469#22468
23M → 24M5618+38#22468#22430
24M → 40K15224-209#22430#22639
40K → 25.2M8104-96#22639#22735
25.2M → Finish5217+35#22735#22700
TOTALS7685285-4517
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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