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BOSTON MARATHON 2024

Shannon Leonard

Bib: 12139•F

PA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 39%
Gender (Female)
#0 / 10924
Top 24%
Division (F18-39)
#0 / 4660
Top 40%
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
6:57/mi
21:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:05/mi
43:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:06:08
↑ 67↓ 78
20K· 12.43 mi
7:43/mi
1:30:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:35:25
↑ 19↓ 370.5%
25K· 15.53 mi
8:26/mi
1:55:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:43/mi
2:22:56
↑ 181↓ 1480.2%
20M
9:25/mi
2:35:44
↑ 64↓ 500.2%
21M
10:33/mi
2:46:17
↑ 106↓ 241.6%
35K· 21.75 mi
9:43/mi
2:53:33
↑ 17↓ 861.7%
23M
8:54/mi
3:04:41
↑ 23↓ 630.6%
24M
8:47/mi
3:13:28
↓ 821.3%
40K· 24.85 mi
8:32/mi
3:20:46
↓ 200.3%
25.2M
8:48/mi
3:23:48
↑ 13↓ 160.2%
Finish· 26.22 mi
7:30/mi
3:31:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:25
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:56:02
Pace8:51 /mi
📊Positive Split: 21.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2721:366:5721:36
6:57
-
10K
6.21 mi11:12:2743:367:0122:00
7:05
+0:08
15K
9.32 mi11:34:591:06:087:0622:32
7:15
+0:10
20K
12.43 mi11:58:591:30:087:1524:00
7:43
+0:28
Half
13.11 mi12:04:161:35:257:175:17
7:45
+0:02
25K
15.53 mi12:24:421:55:517:2720:26
8:26
+0:41
30K
18.64 mi12:51:472:22:567:4027:05
8:43
+0:17
20M
20.00 mi13:04:352:35:447:4712:48
9:25
+0:42
21M
21.00 mi13:15:082:46:177:5510:33
10:33
+1:08
35K
21.75 mi13:22:242:53:337:597:16
9:43
-0:50
23M
23.00 mi13:33:323:04:418:0211:08
8:54
-0:49
24M
24.00 mi13:42:193:13:288:048:47
8:47
-0:07
40K
24.85 mi13:49:373:20:468:057:18
8:32
-0:15
25.2M
25.20 mi13:52:393:23:488:053:02
8:48
+0:16
Finish
26.22 mi14:00:183:31:278:047:39
7:30
-1:18

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

6:57 /mi

Average Pace

8:04 /mi

Slowest Pace

10:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:04

49% of race

Time at Steady Pace

1:17:46

37% of race

Time at Slower Pace

30:37

14% of race

Average Pace: 8:04 /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 mi10:50:2721:366:5721:36
6:57
#6770
10K
6.21 mi11:12:2743:367:0122:00
7:05
#6952
15K
9.32 mi11:34:591:06:087:0622:32
7:15
#7199
20K
12.43 mi11:58:591:30:087:1524:00
7:43
#7790
Half
13.11 mi12:04:161:35:257:175:17
7:45
#7934
25K
15.53 mi12:24:421:55:517:2720:26
8:26
#8778
30K
18.64 mi12:51:472:22:567:4027:05
8:43
#9317
20M
20.00 mi13:04:352:35:447:4712:48
9:25
#9685
21M
21.00 mi13:15:082:46:177:5510:33
10:33
#10078
35K
21.75 mi13:22:242:53:337:597:16
9:43
#10346
23M
23.00 mi13:33:323:04:418:0211:08
8:54
#10298
24M
24.00 mi13:42:193:13:288:048:47
8:47
#10303
40K
24.85 mi13:49:373:20:468:057:18
8:32
#10215
25.2M
25.20 mi13:52:393:23:488:053:02
8:48
#10123
Finish
26.22 mi14:00:183:31:278:047:39
7:30
#9909
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi67707537537861(Top 31%)1204(Top 11%)1204(Top 26%)
10K6.21 mi3.10 mi6952-182833-80833-807190(Top 28%)938(Top 9%)938(Top 20%)
15K9.32 mi3.11 mi7199-247929-96929-967861(Top 31%)1204(Top 11%)1204(Top 26%)
20K12.43 mi3.11 mi7790-5911167-2381167-2389929(Top 39%)2292(Top 21%)2292(Top 49%)
Half13.11 mi0.68 mi7934-1441222-551222-5510961(Top 43%)2781(Top 25%)2781(Top 60%)
25K15.53 mi2.42 mi8778-8441614-3921614-39212664(Top 50%)3859(Top 35%)3859(Top 83%)
30K18.64 mi3.11 mi9317-5391968-3541968-35411784(Top 46%)3618(Top 33%)3618(Top 78%)
20M20.00 mi1.36 mi9685-3682219-2512219-25114155(Top 55%)5201(Top 48%)5201(Top 112%)
21M21.00 mi1.00 mi10078-3932474-2552474-25515001(Top 59%)5812(Top 53%)5812(Top 125%)
35K21.75 mi0.75 mi10346-2682637-1632637-16316239(Top 64%)6466(Top 59%)6466(Top 139%)
23M23.00 mi1.25 mi10298+482678-412678-4110623(Top 42%)3713(Top 34%)3713(Top 80%)
24M24.00 mi1.00 mi10303-52731-532731-5311042(Top 43%)3937(Top 36%)3937(Top 84%)
40K24.85 mi0.85 mi10215+882727+42727+48571(Top 34%)2852(Top 26%)2852(Top 61%)
25.2M25.20 mi0.35 mi10123+922699+282699+285726(Top 22%)1597(Top 15%)1597(Top 34%)
Finish26.22 mi1.02 mi9909+2142628+712628+715698(Top 22%)1510(Top 14%)1510(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

7861

Females

1204

F18-39

1204

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7190

Females

938

F18-39

938

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

7861

Females

1204

F18-39

1204

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

9929

Females

2292

F18-39

2292

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

10961

Females

2781

F18-39

2781

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

12664

Females

3859

F18-39

3859

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

11784

Females

3618

F18-39

3618

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14155

Females

5201

F18-39

5201

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15001

Females

5812

F18-39

5812

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16239

Females

6466

F18-39

6466

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

10623

Females

3713

F18-39

3713

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11042

Females

3937

F18-39

3937

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8571

Females

2852

F18-39

2852

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5726

Females

1597

F18-39

1597

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5698

Females

1510

F18-39

1510

Passing Analysis

Category:
Athletes Passed
1308*
Passed By
4444
Net Change
-3139
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6770
5K → 10K137319-182#6770#6952
10K → 15K76323-247#6952#7199
15K → 20K65656-591#7199#7790
20K → Half5149-144#7790#7934
Half → 25K57901-844#7934#8778
25K → 30K141680-539#8778#9317
30K → 20M60428-368#9317#9685
20M → 21M43434-393#9685#10078
21M → 35K32299-268#10078#10346
35K → 23M157109+48#10346#10298
23M → 24M9499-5#10298#10303
24M → 40K125*37+88#10303#10215
40K → 25.2M953+92#10215#10123
25.2M → Finish221*7+214#10123#9909
TOTALS1308*4444-3139

* 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