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BOSTON MARATHON 2024

Stacey Grady

Bib: 21742•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
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
8:38/mi
26:48
↑ 97↓ 3451.5%
10K· 6.21 mi
9:07/mi
55:08
↑ 79↓ 1380.4%
15K· 9.32 mi
9:54/mi
1:25:53
↑ 67↓ 78
20K· 12.43 mi
11:02/mi
2:00:09
↑ 106↓ 860.1%
Half· 13.11 mi
10:42/mi
2:07:27
↑ 19↓ 370.5%
25K· 15.53 mi
11:16/mi
2:34:45
↑ 66↓ 880.2%
30K· 18.64 mi
12:03/mi
3:12:12
↑ 181↓ 1480.2%
20M
11:21/mi
3:27:38
↑ 64↓ 500.2%
21M
13:50/mi
3:41:28
↑ 106↓ 241.6%
35K· 21.75 mi
11:35/mi
3:50:08
↑ 17↓ 861.7%
23M
11:32/mi
4:04:34
↑ 23↓ 630.6%
24M
10:53/mi
4:15:27
↓ 821.3%
40K· 24.85 mi
11:44/mi
4:25:29
↓ 200.3%
25.2M
14:18/mi
4:30:25
↑ 13↓ 160.2%
Finish· 26.22 mi
11:56/mi
4:42:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:27
Pace9:43 /mi
2nd Half
Distance13.11 mi
Time2:35:08
Pace11:50 /mi
📊Positive Split: 21.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:3126:488:3826:48
8:38
-
10K
6.21 mi11:54:5155:088:5228:20
9:07
+0:29
15K
9.32 mi12:25:361:25:539:1330:45
9:54
+0:47
20K
12.43 mi12:59:522:00:099:4034:16
11:02
+1:08
Half
13.11 mi13:07:102:07:279:437:18
10:42
-0:20
25K
15.53 mi13:34:282:34:459:5827:18
11:16
+0:34
30K
18.64 mi14:11:553:12:1210:1937:27
12:03
+0:47
20M
20.00 mi14:27:213:27:3810:2315:26
11:21
-0:42
21M
21.00 mi14:41:113:41:2810:3313:50
13:50
+2:29
35K
21.75 mi14:49:513:50:0810:358:40
11:35
-2:15
23M
23.00 mi15:04:174:04:3410:3814:26
11:32
-0:03
24M
24.00 mi15:15:104:15:2710:3910:53
10:53
-0:39
40K
24.85 mi15:25:124:25:2910:4110:02
11:44
+0:51
25.2M
25.20 mi15:30:084:30:2510:444:56
14:18
+2:34
Finish
26.22 mi15:42:184:42:3510:4712:10
11:56
-2:22

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

8:38 /mi

Average Pace

10:47 /mi

Slowest Pace

14:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:53

30% of race

Time at Steady Pace

2:57:56

63% of race

Time at Slower Pace

18:46

7% of race

Average Pace: 10:47 /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 mi11:26:3126:488:3826:48
8:38
#18473
10K
6.21 mi11:54:5155:088:5228:20
9:07
#19373
15K
9.32 mi12:25:361:25:539:1330:45
9:54
#20380
20K
12.43 mi12:59:522:00:099:4034:16
11:02
#21137
Half
13.11 mi13:07:102:07:279:437:18
10:42
#21238
25K
15.53 mi13:34:282:34:459:5827:18
11:16
#21384
30K
18.64 mi14:11:553:12:1210:1937:27
12:03
#21500
20M
20.00 mi14:27:213:27:3810:2315:26
11:21
#21394
21M
21.00 mi14:41:113:41:2810:3313:50
13:50
#21474
35K
21.75 mi14:49:513:50:0810:358:40
11:35
#21460
23M
23.00 mi15:04:174:04:3410:3814:26
11:32
#21342
24M
24.00 mi15:15:104:15:2710:3910:53
10:53
#21241
40K
24.85 mi15:25:124:25:2910:4110:02
11:44
#21181
25.2M
25.20 mi15:30:084:30:2510:444:56
14:18
#21198
Finish
26.22 mi15:42:184:42:3510:4712:10
11:56
#21278
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi184737042704221680(Top 85%)8693(Top 80%)8693(Top 732%)
10K6.21 mi3.10 mi19373-9007521-4797521-47920235(Top 79%)7951(Top 73%)7951(Top 670%)
15K9.32 mi3.11 mi20380-10078029-5088029-50821680(Top 85%)8693(Top 80%)8693(Top 732%)
20K12.43 mi3.11 mi21137-7578426-3978426-39722674(Top 89%)9272(Top 85%)9272(Top 781%)
Half13.11 mi0.68 mi21238-1018480-548480-5423031(Top 90%)9506(Top 87%)9506(Top 801%)
25K15.53 mi2.42 mi21384-1468583-1038583-10322005(Top 86%)9000(Top 82%)9000(Top 758%)
30K18.64 mi3.11 mi21500-1168704-1218704-12122028(Top 86%)9169(Top 84%)9169(Top 772%)
20M20.00 mi1.36 mi21394+1068677+278677+2720099(Top 79%)8278(Top 76%)8278(Top 697%)
21M21.00 mi1.00 mi21474-808738-618738-6122101(Top 87%)9340(Top 85%)9340(Top 787%)
35K21.75 mi0.75 mi21460+148742-48742-421049(Top 82%)8862(Top 81%)8862(Top 747%)
23M23.00 mi1.25 mi21342+1188712+308712+3019716(Top 77%)8259(Top 76%)8259(Top 696%)
24M24.00 mi1.00 mi21241+1018684+288684+2818953(Top 74%)7939(Top 73%)7939(Top 669%)
40K24.85 mi0.85 mi21181+608662+228662+2219892(Top 78%)8450(Top 77%)8450(Top 712%)
25.2M25.20 mi0.35 mi21198-178684-228684-2222097(Top 86%)9510(Top 87%)9510(Top 801%)
Finish26.22 mi1.02 mi21278-808744-608744-6023156(Top 91%)10014(Top 92%)10014(Top 844%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

21680

Females

8693

F50-54

8693

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

20235

Females

7951

F50-54

7951

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

21680

Females

8693

F50-54

8693

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

22674

Females

9272

F50-54

9272

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23031

Females

9506

F50-54

9506

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22005

Females

9000

F50-54

9000

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

22028

Females

9169

F50-54

9169

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

20099

Females

8278

F50-54

8278

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

22101

Females

9340

F50-54

9340

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21049

Females

8862

F50-54

8862

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

19716

Females

8259

F50-54

8259

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

18953

Females

7939

F50-54

7939

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

19892

Females

8450

F50-54

8450

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22097

Females

9510

F50-54

9510

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

23156

Females

10014

F50-54

10014

Passing Analysis

Category:
Athletes Passed
1001
Passed By
3806
Net Change
-2805
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18473
5K → 10K67967-900#18473#19373
10K → 15K421049-1007#19373#20380
15K → 20K33790-757#20380#21137
20K → Half7108-101#21137#21238
Half → 25K101247-146#21238#21384
25K → 30K132248-116#21384#21500
30K → 20M13226+106#21500#21394
20M → 21M43123-80#21394#21474
21M → 35K5238+14#21474#21460
35K → 23M14022+118#21460#21342
23M → 24M11312+101#21342#21241
24M → 40K8121+60#21241#21181
40K → 25.2M2643-17#21181#21198
25.2M → Finish32112-80#21198#21278
TOTALS10013806-2805
📊

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