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BOSTON MARATHON 2024

Kathleen Bradley

Bib: 21468•F

IL

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
8:42/mi
27:01
↑ 97↓ 3451.5%
10K· 6.21 mi
8:59/mi
54:56
↑ 79↓ 1380.4%
15K· 9.32 mi
9:25/mi
1:24:11
↑ 67↓ 78
20K· 12.43 mi
10:11/mi
1:55:48
↑ 106↓ 860.1%
Half· 13.11 mi
10:04/mi
2:02:40
↑ 19↓ 370.5%
25K· 15.53 mi
11:55/mi
2:31:34
↑ 66↓ 880.2%
30K· 18.64 mi
12:50/mi
3:11:26
↑ 181↓ 1480.2%
20M
15:02/mi
3:31:52
↑ 64↓ 500.2%
21M
13:28/mi
3:45:20
↑ 106↓ 241.6%
35K· 21.75 mi
13:59/mi
3:55:48
↑ 17↓ 861.7%
23M
15:25/mi
4:15:06
↑ 23↓ 630.6%
24M
17:03/mi
4:32:09
↓ 821.3%
40K· 24.85 mi
17:15/mi
4:46:54
↓ 200.3%
25.2M
18:10/mi
4:53:10
↑ 13↓ 160.2%
Finish· 26.22 mi
13:47/mi
5:07:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:40
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time3:04:33
Pace14:05 /mi
📊Positive Split: 50.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:2527:018:4227:01
8:42
-
10K
6.21 mi11:51:2054:568:5027:55
8:59
+0:17
15K
9.32 mi12:20:351:24:119:0229:15
9:25
+0:26
20K
12.43 mi12:52:121:55:489:1931:37
10:11
+0:46
Half
13.11 mi12:59:042:02:409:216:52
10:04
-0:07
25K
15.53 mi13:27:582:31:349:4528:54
11:55
+1:51
30K
18.64 mi14:07:503:11:2610:1639:52
12:50
+0:55
20M
20.00 mi14:28:163:31:5210:3620:26
15:02
+2:12
21M
21.00 mi14:41:443:45:2010:4413:28
13:28
-1:34
35K
21.75 mi14:52:123:55:4810:5110:28
13:59
+0:31
23M
23.00 mi15:11:304:15:0611:0519:18
15:25
+1:26
24M
24.00 mi15:28:334:32:0911:2017:03
17:03
+1:38
40K
24.85 mi15:43:184:46:5411:3314:45
17:15
+0:12
25.2M
25.20 mi15:49:344:53:1011:386:16
18:10
+0:55
Finish
26.22 mi16:03:375:07:1311:4414:03
13:47
-4:23

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

8:42 /mi

Average Pace

11:44 /mi

Slowest Pace

18:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:34

49% of race

Time at Steady Pace

1:17:51

25% of race

Time at Slower Pace

1:17:48

25% of race

Average Pace: 11:43 /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 mi11:23:2527:018:4227:01
8:42
#18824
10K
6.21 mi11:51:2054:568:5027:55
8:59
#19240
15K
9.32 mi12:20:351:24:119:0229:15
9:25
#19697
20K
12.43 mi12:52:121:55:489:1931:37
10:11
#20170
Half
13.11 mi12:59:042:02:409:216:52
10:04
#20257
25K
15.53 mi13:27:582:31:349:4528:54
11:55
#20853
30K
18.64 mi14:07:503:11:2610:1639:52
12:50
#21420
20M
20.00 mi14:28:163:31:5210:3620:26
15:02
#21893
21M
21.00 mi14:41:443:45:2010:4413:28
13:28
#21871
35K
21.75 mi14:52:123:55:4810:5110:28
13:59
#22011
23M
23.00 mi15:11:304:15:0611:0519:18
15:25
#22360
24M
24.00 mi15:28:334:32:0911:2017:03
17:03
#22737
40K
24.85 mi15:43:184:46:5411:3314:45
17:15
#22998
25.2M
25.20 mi15:49:344:53:1011:386:16
18:10
#23067
Finish
26.22 mi16:03:375:07:1311:4414:03
13:47
#23178
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi188247245724520421(Top 80%)8018(Top 73%)8018(Top 675%)
10K6.21 mi3.10 mi19240-4167458-2137458-21319704(Top 77%)7678(Top 70%)7678(Top 647%)
15K9.32 mi3.11 mi19697-4577681-2237681-22320421(Top 80%)8018(Top 73%)8018(Top 675%)
20K12.43 mi3.11 mi20170-4737912-2317912-23120976(Top 82%)8343(Top 76%)8343(Top 703%)
Half13.11 mi0.68 mi20257-877954-427954-4221655(Top 85%)8775(Top 80%)8775(Top 739%)
25K15.53 mi2.42 mi20853-5968301-3478301-34723034(Top 90%)9554(Top 87%)9554(Top 805%)
30K18.64 mi3.11 mi21420-5678657-3568657-35623090(Top 90%)9700(Top 89%)9700(Top 817%)
20M20.00 mi1.36 mi21893-4738939-2828939-28224765(Top 97%)10595(Top 97%)10595(Top 893%)
21M21.00 mi1.00 mi21871+228948-98948-921526(Top 84%)9070(Top 83%)9070(Top 764%)
35K21.75 mi0.75 mi22011-1409024-769024-7624265(Top 95%)10422(Top 95%)10422(Top 878%)
23M23.00 mi1.25 mi22360-3499217-1939217-19324870(Top 97%)10681(Top 98%)10681(Top 900%)
24M24.00 mi1.00 mi22737-3779432-2159432-21525321(Top 99%)10866(Top 99%)10866(Top 915%)
40K24.85 mi0.85 mi22998-2619584-1529584-15225257(Top 99%)10846(Top 99%)10846(Top 914%)
25.2M25.20 mi0.35 mi23067-699620-369620-3625068(Top 98%)10773(Top 99%)10773(Top 908%)
Finish26.22 mi1.02 mi23178-1119676-569676-5624848(Top 97%)10724(Top 98%)10724(Top 903%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

20421

Females

8018

F50-54

8018

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

19704

Females

7678

F50-54

7678

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

20421

Females

8018

F50-54

8018

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

20976

Females

8343

F50-54

8343

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

21655

Females

8775

F50-54

8775

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

23034

Females

9554

F50-54

9554

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

23090

Females

9700

F50-54

9700

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

24765

Females

10595

F50-54

10595

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

21526

Females

9070

F50-54

9070

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

24265

Females

10422

F50-54

10422

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

24870

Females

10681

F50-54

10681

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

25321

Females

10866

F50-54

10866

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

25257

Females

10846

F50-54

10846

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

25068

Females

10773

F50-54

10773

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

24848

Females

10724

F50-54

10724

Passing Analysis

Category:
Athletes Passed
580
Passed By
4934
Net Change
-4354
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18824
5K → 10K130546-416#18824#19240
10K → 15K110567-457#19240#19697
15K → 20K96569-473#19697#20170
20K → Half1097-87#20170#20257
Half → 25K40636-596#20257#20853
25K → 30K54621-567#20853#21420
30K → 20M12485-473#21420#21893
20M → 21M6745+22#21893#21871
21M → 35K17157-140#21871#22011
35K → 23M16365-349#22011#22360
23M → 24M7384-377#22360#22737
24M → 40K3264-261#22737#22998
40K → 25.2M675-69#22998#23067
25.2M → Finish12123-111#23067#23178
TOTALS5804934-4354
📊

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