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BOSTON MARATHON 2024

Mary Cass

Bib: 22297•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 49%
Masters (Masters Women)
#0 / 6263
Top 40%
Division (F60-64)
#0 / 549
Top 11%
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
8:21/mi
25:58
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
51:04
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:16:40
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:43:06
↑ 106↓ 860.1%
Half· 13.11 mi
8:30/mi
1:48:54
↑ 19↓ 370.5%
25K· 15.53 mi
8:39/mi
2:09:53
↑ 66↓ 880.2%
30K· 18.64 mi
9:37/mi
2:39:46
↑ 181↓ 1480.2%
20M
10:29/mi
2:54:01
↑ 64↓ 500.2%
21M
11:10/mi
3:05:11
↑ 106↓ 241.6%
35K· 21.75 mi
9:25/mi
3:12:14
↑ 17↓ 861.7%
23M
9:09/mi
3:23:41
↑ 23↓ 630.6%
24M
9:09/mi
3:32:50
↓ 821.3%
40K· 24.85 mi
9:09/mi
3:40:39
↓ 200.3%
25.2M
12:14/mi
3:44:52
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
3:53:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:54
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:04:52
Pace9:32 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:3325:588:2125:58
8:21
-
10K
6.21 mi11:49:3951:048:1325:06
8:05
-0:16
15K
9.32 mi12:15:151:16:408:1425:36
8:14
+0:09
20K
12.43 mi12:41:411:43:068:1826:26
8:30
+0:16
Half
13.11 mi12:47:291:48:548:185:48
8:30
0:00
25K
15.53 mi13:08:282:09:538:2220:59
8:39
+0:09
30K
18.64 mi13:38:212:39:468:3429:53
9:37
+0:58
20M
20.00 mi13:52:362:54:018:4214:15
10:29
+0:52
21M
21.00 mi14:03:463:05:118:4911:10
11:10
+0:41
35K
21.75 mi14:10:493:12:148:507:03
9:25
-1:45
23M
23.00 mi14:22:163:23:418:5111:27
9:09
-0:16
24M
24.00 mi14:31:253:32:508:529:09
9:09
0:00
40K
24.85 mi14:39:143:40:398:537:49
9:09
0:00
25.2M
25.20 mi14:43:273:44:528:554:13
12:14
+3:05
Finish
26.22 mi14:52:213:53:468:558:54
8:44
-3:30

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

8:05 /mi

Average Pace

8:55 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:54

47% of race

Time at Steady Pace

1:35:14

41% of race

Time at Slower Pace

29:38

13% of race

Average Pace: 8:55 /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 mi11:24:3325:588:2125:58
8:21
#16996
10K
6.21 mi11:49:3951:048:1325:06
8:05
#15869
15K
9.32 mi12:15:151:16:408:1425:36
8:14
#15511
20K
12.43 mi12:41:411:43:068:1826:26
8:30
#15271
Half
13.11 mi12:47:291:48:548:185:48
8:30
#15274
25K
15.53 mi13:08:282:09:538:2220:59
8:39
#14994
30K
18.64 mi13:38:212:39:468:3429:53
9:37
#15201
20M
20.00 mi13:52:362:54:018:4214:15
10:29
#15502
21M
21.00 mi14:03:463:05:118:4911:10
11:10
#15648
35K
21.75 mi14:10:493:12:148:507:03
9:25
#15638
23M
23.00 mi14:22:163:23:418:5111:27
9:09
#15388
24M
24.00 mi14:31:253:32:508:529:09
9:09
#15274
40K
24.85 mi14:39:143:40:398:537:49
9:09
#15101
25.2M
25.20 mi14:43:273:44:528:554:13
12:14
#15168
Finish
26.22 mi14:52:213:53:468:558:54
8:44
#15052
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi169966162616214954(Top 59%)4937(Top 45%)4937(Top 899%)
10K6.21 mi3.10 mi15869+11275453+7095453+70914752(Top 58%)4783(Top 44%)4783(Top 871%)
15K9.32 mi3.11 mi15511+3585255+1985255+19814954(Top 59%)4937(Top 45%)4937(Top 899%)
20K12.43 mi3.11 mi15271+2405120+1355120+13514869(Top 58%)4928(Top 45%)4928(Top 898%)
Half13.11 mi0.68 mi15274-35121-15121-115776(Top 62%)5508(Top 50%)5508(Top 1003%)
25K15.53 mi2.42 mi14994+2804995+1264995+12613878(Top 54%)4546(Top 42%)4546(Top 828%)
30K18.64 mi3.11 mi15201-2075203-2085203-20815918(Top 62%)5922(Top 54%)5922(Top 1079%)
20M20.00 mi1.36 mi15502-3015424-2215424-22117947(Top 70%)7176(Top 66%)7176(Top 1307%)
21M21.00 mi1.00 mi15648-1465551-1275551-12716780(Top 66%)6738(Top 62%)6738(Top 1227%)
35K21.75 mi0.75 mi15638+105569-185569-1815219(Top 60%)5943(Top 54%)5943(Top 1083%)
23M23.00 mi1.25 mi15388+2505476+935476+9311923(Top 47%)4369(Top 40%)4369(Top 796%)
24M24.00 mi1.00 mi15274+1145443+335443+3312890(Top 50%)4875(Top 45%)4875(Top 888%)
40K24.85 mi0.85 mi15101+1735384+595384+5911544(Top 45%)4325(Top 40%)4325(Top 788%)
25.2M25.20 mi0.35 mi15168-675439-555439-5517887(Top 70%)7487(Top 69%)7487(Top 1364%)
Finish26.22 mi1.02 mi15052+1165398+415398+4112855(Top 50%)4898(Top 45%)4898(Top 892%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

14954

Females

4937

F60-64

4937

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

14752

Females

4783

F60-64

4783

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

14954

Females

4937

F60-64

4937

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

14869

Females

4928

F60-64

4928

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

15776

Females

5508

F60-64

5508

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

13878

Females

4546

F60-64

4546

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

15918

Females

5922

F60-64

5922

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

17947

Females

7176

F60-64

7176

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

16780

Females

6738

F60-64

6738

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

15219

Females

5943

F60-64

5943

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

11923

Females

4369

F60-64

4369

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

12890

Females

4875

F60-64

4875

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11544

Females

4325

F60-64

4325

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

17887

Females

7487

F60-64

7487

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

12855

Females

4898

F60-64

4898

Passing Analysis

Category:
Athletes Passed
3474
Passed By
1530
Net Change
+1944
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16996
5K → 10K115730+1127#16996#15869
10K → 15K42668+358#15869#15511
15K → 20K343103+240#15511#15271
20K → Half4245-3#15271#15274
Half → 25K35878+280#15274#14994
25K → 30K200407-207#14994#15201
30K → 20M52353-301#15201#15502
20M → 21M71217-146#15502#15648
21M → 35K7868+10#15648#15638
35K → 23M26515+250#15638#15388
23M → 24M13420+114#15388#15274
24M → 40K19320+173#15274#15101
40K → 25.2M1885-67#15101#15168
25.2M → Finish13721+116#15168#15052
TOTALS34741530+1944
📊

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