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BOSTON MARATHON 2024

Cat Leonard

Bib: 15121•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 37%
Gender (Female)
#0 / 10924
Top 23%
Masters (Masters Women)
#0 / 6263
Top 11%
Division (F40-44)
#0 / 1613
Top 23%
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
7:31/mi
23:22
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
46:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:10:47
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:35:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:40:33
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:00:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:26:06
↑ 181↓ 1480.2%
20M
8:31/mi
2:37:41
↑ 64↓ 500.2%
21M
9:08/mi
2:46:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:52:48
↑ 17↓ 861.7%
23M
8:36/mi
3:03:34
↑ 23↓ 630.6%
24M
8:11/mi
3:11:45
↓ 821.3%
40K· 24.85 mi
8:23/mi
3:18:55
↓ 200.3%
25.2M
8:54/mi
3:21:59
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:30:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:33
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:49:29
Pace8:21 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3723:227:3123:22
7:31
-
10K
6.21 mi11:21:0546:507:3223:28
7:33
+0:02
15K
9.32 mi11:45:021:10:477:3623:57
7:43
+0:10
20K
12.43 mi12:09:271:35:127:4024:25
7:52
+0:09
Half
13.11 mi12:14:481:40:337:405:21
7:50
-0:02
25K
15.53 mi12:34:232:00:087:4419:35
8:05
+0:15
30K
18.64 mi13:00:212:26:067:5025:58
8:21
+0:16
20M
20.00 mi13:11:562:37:417:5311:35
8:31
+0:10
21M
21.00 mi13:21:042:46:497:579:08
9:08
+0:37
35K
21.75 mi13:27:032:52:487:575:59
8:00
-1:08
23M
23.00 mi13:37:493:03:347:5910:46
8:36
+0:36
24M
24.00 mi13:46:003:11:457:598:11
8:11
-0:25
40K
24.85 mi13:53:103:18:558:007:10
8:23
+0:12
25.2M
25.20 mi13:56:143:21:598:013:04
8:54
+0:31
Finish
26.22 mi14:04:173:30:028:018:03
7:54
-1:00

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

7:31 /mi

Average Pace

8:01 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:08

36% of race

Time at Steady Pace

1:06:13

32% of race

Time at Slower Pace

1:07:41

32% of race

Average Pace: 8:01 /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 mi10:57:3723:227:3123:22
7:31
#10959
10K
6.21 mi11:21:0546:507:3223:28
7:33
#10803
15K
9.32 mi11:45:021:10:477:3623:57
7:43
#10911
20K
12.43 mi12:09:271:35:127:4024:25
7:52
#10877
Half
13.11 mi12:14:481:40:337:405:21
7:50
#10903
25K
15.53 mi12:34:232:00:087:4419:35
8:05
#10792
30K
18.64 mi13:00:212:26:067:5025:58
8:21
#10530
20M
20.00 mi13:11:562:37:417:5311:35
8:31
#10393
21M
21.00 mi13:21:042:46:497:579:08
9:08
#10239
35K
21.75 mi13:27:032:52:487:575:59
8:00
#10126
23M
23.00 mi13:37:493:03:347:5910:46
8:36
#9994
24M
24.00 mi13:46:003:11:457:598:11
8:11
#9842
40K
24.85 mi13:53:103:18:558:007:10
8:23
#9735
25.2M
25.20 mi13:56:143:21:598:013:04
8:54
#9653
Finish
26.22 mi14:04:173:30:028:018:03
7:54
#9580
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi109592539253911273(Top 44%)2827(Top 26%)2827(Top 175%)
10K6.21 mi3.10 mi10803+1562506+332506+3310725(Top 42%)2490(Top 23%)2490(Top 154%)
15K9.32 mi3.11 mi10911-1082582-762582-7611273(Top 44%)2827(Top 26%)2827(Top 175%)
20K12.43 mi3.11 mi10877+342596-142596-1410828(Top 42%)2723(Top 25%)2723(Top 169%)
Half13.11 mi0.68 mi10903-262624-282624-2811659(Top 46%)3140(Top 29%)3140(Top 195%)
25K15.53 mi2.42 mi10792+1112623+12623+110678(Top 42%)2807(Top 26%)2807(Top 174%)
30K18.64 mi3.11 mi10530+2622586+372586+379881(Top 39%)2651(Top 24%)2651(Top 164%)
20M20.00 mi1.36 mi10393+1372576+102576+109582(Top 38%)2736(Top 25%)2736(Top 170%)
21M21.00 mi1.00 mi10239+1542548+282548+289205(Top 36%)2794(Top 26%)2794(Top 173%)
35K21.75 mi0.75 mi10126+1132527+212527+217811(Top 31%)2139(Top 20%)2139(Top 133%)
23M23.00 mi1.25 mi9994+1322533-62533-69013(Top 35%)2876(Top 26%)2876(Top 178%)
24M24.00 mi1.00 mi9842+1522499+342499+347671(Top 30%)2323(Top 21%)2323(Top 144%)
40K24.85 mi0.85 mi9735+1072484+152484+157782(Top 30%)2500(Top 23%)2500(Top 155%)
25.2M25.20 mi0.35 mi9653+822459+252459+256137(Top 24%)1793(Top 16%)1793(Top 111%)
Finish26.22 mi1.02 mi9580+732458+12458+17952(Top 31%)2552(Top 23%)2552(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11273

Females

2827

F40-44

2827

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

10725

Females

2490

F40-44

2490

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11273

Females

2827

F40-44

2827

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

10828

Females

2723

F40-44

2723

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

11659

Females

3140

F40-44

3140

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

10678

Females

2807

F40-44

2807

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

9881

Females

2651

F40-44

2651

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

9582

Females

2736

F40-44

2736

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9205

Females

2794

F40-44

2794

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

7811

Females

2139

F40-44

2139

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9013

Females

2876

F40-44

2876

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

7671

Females

2323

F40-44

2323

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7782

Females

2500

F40-44

2500

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6137

Females

1793

F40-44

1793

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

7952

Females

2552

F40-44

2552

Passing Analysis

Category:
Athletes Passed
2767*
Passed By
1388
Net Change
+1379
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10959
5K → 10K365209+156#10959#10803
10K → 15K182290-108#10803#10911
15K → 20K233199+34#10911#10877
20K → Half3561-26#10877#10903
Half → 25K274163+111#10903#10792
25K → 30K415153+262#10792#10530
30K → 20M20568+137#10530#10393
20M → 21M20854+154#10393#10239
21M → 35K12916+113#10239#10126
35K → 23M213*81+132#10126#9994
23M → 24M174*22+152#9994#9842
24M → 40K13326+107#9842#9735
40K → 25.2M908+82#9735#9653
25.2M → Finish11138+73#9653#9580
TOTALS2767*1388+1379

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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