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BOSTON MARATHON 2024

Katherine Lail

GA

Bib: 29789 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:17/mi
28:50
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:26/mi
58:08
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:17/mi
1:26:57
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:34/mi
1:56:40
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:29/mi
2:03:08
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:39/mi
2:28:58
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:10/mi
3:06:45
↑ 181↓ 1480.2%
138 ft elev
20M
12:51/mi
3:24:13
↑ 64↓ 500.2%
148 ft elev
21M
14:15/mi
3:38:28
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
13:27/mi
3:48:32
↑ 17↓ 861.7%
156 ft elev
23M
14:53/mi
4:07:10
↑ 23↓ 630.6%
116 ft elev
24M
14:28/mi
4:21:38
↓ 821.3%
34 ft elev
40K· 24.85 mi
14:58/mi
4:34:26
↓ 200.3%
20 ft elev
25.2M
14:18/mi
4:39:22
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:32/mi
4:50:06
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:08
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:46:58
Pace12:44 /mi
📊Positive Split: 35.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3728:509:1728:50
9:17
-
10K
6.21 mi12:22:5558:089:2129:18
9:26
+0:09
15K
9.32 mi12:51:441:26:579:2028:49
9:17
-0:09
20K
12.43 mi13:21:271:56:409:2329:43
9:34
+0:17
Half
13.11 mi13:27:552:03:089:246:28
9:29
-0:05
25K
15.53 mi13:53:452:28:589:3525:50
10:39
+1:10
30K
18.64 mi14:31:323:06:4510:0137:47
12:10
+1:31
20M
20.00 mi14:49:003:24:1310:1317:28
12:51
+0:41
21M
21.00 mi15:03:153:38:2810:2414:15
14:15
+1:24
35K
21.75 mi15:13:193:48:3210:3010:04
13:27
-0:48
23M
23.00 mi15:31:574:07:1010:4518:38
14:53
+1:26
24M
24.00 mi15:46:254:21:3810:5414:28
14:28
-0:25
40K
24.85 mi15:59:134:34:2611:0212:48
14:58
+0:30
25.2M
25.20 mi16:04:094:39:2211:054:56
14:18
-0:40
Finish
26.22 mi16:14:534:50:0611:0410:44
10:32
-3:46

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

9:17 /mi

Average Pace

11:04 /mi

Slowest Pace

14:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:42

55% of race

Time at Steady Pace

55:15

19% of race

Time at Slower Pace

1:15:09

26% of race

Average Pace: 11:04 /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 mi11:53:3728:509:1728:50
9:17
#21072
10K
6.21 mi12:22:5558:089:2129:18
9:26
#21147
15K
9.32 mi12:51:441:26:579:2028:49
9:17
#20735
20K
12.43 mi13:21:271:56:409:2329:43
9:34
#20385
Half
13.11 mi13:27:552:03:089:246:28
9:29
#20359
25K
15.53 mi13:53:452:28:589:3525:50
10:39
#20394
30K
18.64 mi14:31:323:06:4510:0137:47
12:10
#20812
20M
20.00 mi14:49:003:24:1310:1317:28
12:51
#21003
21M
21.00 mi15:03:153:38:2810:2414:15
14:15
#21136
35K
21.75 mi15:13:193:48:3210:3010:04
13:27
#21275
23M
23.00 mi15:31:574:07:1010:4518:38
14:53
#21591
24M
24.00 mi15:46:254:21:3810:5414:28
14:28
#21792
40K
24.85 mi15:59:134:34:2611:0212:48
14:58
#21968
25.2M
25.20 mi16:04:094:39:2211:054:56
14:18
#21980
Finish
26.22 mi16:14:534:50:0611:0410:44
10:32
#21927
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi210728436843619957(Top 78%)7765(Top 71%)7765(Top 654%)
10K6.21 mi3.10 mi21147-758459-238459-2321177(Top 83%)8468(Top 78%)8468(Top 713%)
15K9.32 mi3.11 mi20735+4128213+2468213+24619957(Top 78%)7765(Top 71%)7765(Top 654%)
20K12.43 mi3.11 mi20385+3508024+1898024+18919418(Top 76%)7500(Top 69%)7500(Top 632%)
Half13.11 mi0.68 mi20359+268011+138011+1320055(Top 78%)7912(Top 72%)7912(Top 667%)
25K15.53 mi2.42 mi20394-358052-418052-4120784(Top 81%)8357(Top 77%)8357(Top 704%)
30K18.64 mi3.11 mi20812-4188335-2838335-28322220(Top 87%)9262(Top 85%)9262(Top 780%)
20M20.00 mi1.36 mi21003-1918468-1338468-13322679(Top 89%)9597(Top 88%)9597(Top 809%)
21M21.00 mi1.00 mi21136-1338558-908558-9022655(Top 89%)9626(Top 88%)9626(Top 811%)
35K21.75 mi0.75 mi21275-1398649-918649-9123759(Top 93%)10179(Top 93%)10179(Top 858%)
23M23.00 mi1.25 mi21591-3168832-1838832-18324573(Top 96%)10557(Top 97%)10557(Top 889%)
24M24.00 mi1.00 mi21792-2018969-1378969-13724544(Top 96%)10588(Top 97%)10588(Top 892%)
40K24.85 mi0.85 mi21968-1769062-939062-9324520(Top 96%)10585(Top 97%)10585(Top 892%)
25.2M25.20 mi0.35 mi21980-129070-89070-822099(Top 86%)9512(Top 87%)9512(Top 801%)
Finish26.22 mi1.02 mi21927+539064+69064+620132(Top 79%)8550(Top 78%)8550(Top 720%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

19957

Females

7765

F50-54

7765

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

21177

Females

8468

F50-54

8468

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

19957

Females

7765

F50-54

7765

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

19418

Females

7500

F50-54

7500

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20055

Females

7912

F50-54

7912

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

20784

Females

8357

F50-54

8357

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

22220

Females

9262

F50-54

9262

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

22679

Females

9597

F50-54

9597

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

22655

Females

9626

F50-54

9626

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

23759

Females

10179

F50-54

10179

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

24573

Females

10557

F50-54

10557

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

24544

Females

10588

F50-54

10588

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

24520

Females

10585

F50-54

10585

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22099

Females

9512

F50-54

9512

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

20132

Females

8550

F50-54

8550

Passing Analysis

Category:
Athletes Passed
1531
Passed By
2386
Net Change
-855
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21072
5K → 10K218293-75#21072#21147
10K → 15K44634+412#21147#20735
15K → 20K38939+350#20735#20385
20K → Half3812+26#20385#20359
Half → 25K137172-35#20359#20394
25K → 30K72490-418#20394#20812
30K → 20M28219-191#20812#21003
20M → 21M37170-133#21003#21136
21M → 35K22161-139#21136#21275
35K → 23M16332-316#21275#21591
23M → 24M23224-201#21591#21792
24M → 40K10186-176#21792#21968
40K → 25.2M2032-12#21968#21980
25.2M → Finish7522+53#21980#21927
TOTALS15312386-855
📊

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