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BOSTON MARATHON 2024

Karen Leahy

Bib: 14153•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 43%
Gender (Female)
#0 / 10924
Top 30%
Masters (Masters Women)
#0 / 6263
Top 17%
Division (F45-49)
#0 / 1753
Top 20%
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
46:49
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:10:50
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:35:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:40:27
↑ 19↓ 370.5%
25K· 15.53 mi
8:43/mi
2:01:34
↑ 66↓ 880.2%
30K· 18.64 mi
8:59/mi
2:29:30
↑ 181↓ 1480.2%
20M
8:44/mi
2:41:22
↑ 64↓ 500.2%
21M
9:53/mi
2:51:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
2:57:33
↑ 17↓ 861.7%
23M
9:02/mi
3:08:51
↑ 23↓ 630.6%
24M
8:14/mi
3:17:05
↓ 821.3%
40K· 24.85 mi
8:39/mi
3:24:29
↓ 200.3%
25.2M
9:37/mi
3:27:48
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
3:36:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:27
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:56:01
Pace8:51 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3223:227:3123:22
7:31
-
10K
6.21 mi11:18:5946:497:3223:27
7:33
+0:02
15K
9.32 mi11:43:001:10:507:3624:01
7:44
+0:11
20K
12.43 mi12:07:141:35:047:3924:14
7:48
+0:04
Half
13.11 mi12:12:371:40:277:405:23
7:53
+0:05
25K
15.53 mi12:33:442:01:347:5021:07
8:43
+0:50
30K
18.64 mi13:01:402:29:308:0127:56
8:59
+0:16
20M
20.00 mi13:13:322:41:228:0411:52
8:44
-0:15
21M
21.00 mi13:23:252:51:158:099:53
9:53
+1:09
35K
21.75 mi13:29:432:57:338:106:18
8:25
-1:28
23M
23.00 mi13:41:013:08:518:1311:18
9:02
+0:37
24M
24.00 mi13:49:153:17:058:138:14
8:14
-0:48
40K
24.85 mi13:56:393:24:298:147:24
8:39
+0:25
25.2M
25.20 mi13:59:583:27:488:153:19
9:37
+0:58
Finish
26.22 mi14:08:383:36:288:168:40
8:30
-1:07

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

8:16 /mi

Slowest Pace

9:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:27

46% of race

Time at Steady Pace

1:03:35

29% of race

Time at Slower Pace

52:26

24% of race

Average Pace: 8:15 /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 mi10:55:3223:227:3123:22
7:31
#10961
10K
6.21 mi11:18:5946:497:3223:27
7:33
#10782
15K
9.32 mi11:43:001:10:507:3624:01
7:44
#10957
20K
12.43 mi12:07:141:35:047:3924:14
7:48
#10796
Half
13.11 mi12:12:371:40:277:405:23
7:53
#10844
25K
15.53 mi12:33:442:01:347:5021:07
8:43
#11475
30K
18.64 mi13:01:402:29:308:0127:56
8:59
#11814
20M
20.00 mi13:13:322:41:228:0411:52
8:44
#11674
21M
21.00 mi13:23:252:51:158:099:53
9:53
#11700
35K
21.75 mi13:29:432:57:338:106:18
8:25
#11618
23M
23.00 mi13:41:013:08:518:1311:18
9:02
#11535
24M
24.00 mi13:49:153:17:058:138:14
8:14
#11315
40K
24.85 mi13:56:393:24:298:147:24
8:39
#11177
25.2M
25.20 mi13:59:583:27:488:153:19
9:37
#11127
Finish
26.22 mi14:08:383:36:288:168:40
8:30
#11100
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi109612541254111431(Top 45%)2917(Top 27%)2917(Top 166%)
10K6.21 mi3.10 mi10782+1792495+462495+4610683(Top 42%)2468(Top 23%)2468(Top 141%)
15K9.32 mi3.11 mi10957-1752613-1182613-11811431(Top 45%)2917(Top 27%)2917(Top 166%)
20K12.43 mi3.11 mi10796+1612561+522561+5210449(Top 41%)2554(Top 23%)2554(Top 146%)
Half13.11 mi0.68 mi10844-482591-302591-3012013(Top 47%)3339(Top 31%)3339(Top 190%)
25K15.53 mi2.42 mi11475-6312969-3782969-37814120(Top 55%)4669(Top 43%)4669(Top 266%)
30K18.64 mi3.11 mi11814-3393243-2743243-27413186(Top 52%)4381(Top 40%)4381(Top 250%)
20M20.00 mi1.36 mi11674+1403218+253218+2510739(Top 42%)3338(Top 31%)3338(Top 190%)
21M21.00 mi1.00 mi11700-263306-883306-8812508(Top 49%)4522(Top 41%)4522(Top 258%)
35K21.75 mi0.75 mi11618+823294+123294+1210300(Top 40%)3384(Top 31%)3384(Top 193%)
23M23.00 mi1.25 mi11535+833316-223316-2211315(Top 44%)4058(Top 37%)4058(Top 231%)
24M24.00 mi1.00 mi11315+2203258+583258+587976(Top 31%)2479(Top 23%)2479(Top 141%)
40K24.85 mi0.85 mi11177+1383229+293229+299186(Top 36%)3180(Top 29%)3180(Top 181%)
25.2M25.20 mi0.35 mi11127+503224+53224+59266(Top 36%)3281(Top 30%)3281(Top 187%)
Finish26.22 mi1.02 mi11100+273256-323256-3211548(Top 45%)4246(Top 39%)4246(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11431

Females

2917

F45-49

2917

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

10683

Females

2468

F45-49

2468

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11431

Females

2917

F45-49

2917

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10449

Females

2554

F45-49

2554

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12013

Females

3339

F45-49

3339

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14120

Females

4669

F45-49

4669

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13186

Females

4381

F45-49

4381

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

10739

Females

3338

F45-49

3338

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12508

Females

4522

F45-49

4522

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10300

Females

3384

F45-49

3384

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11315

Females

4058

F45-49

4058

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

7976

Females

2479

F45-49

2479

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9186

Females

3180

F45-49

3180

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9266

Females

3281

F45-49

3281

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11548

Females

4246

F45-49

4246

Passing Analysis

Category:
Athletes Passed
2336
Passed By
2475
Net Change
-139
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10961
5K → 10K376197+179#10961#10782
10K → 15K159334-175#10782#10957
15K → 20K296135+161#10957#10796
20K → Half2977-48#10796#10844
Half → 25K87718-631#10844#11475
25K → 30K192531-339#11475#11814
30K → 20M20565+140#11814#11674
20M → 21M130156-26#11674#11700
21M → 35K11331+82#11700#11618
35K → 23M187104+83#11618#11535
23M → 24M23717+220#11535#11315
24M → 40K16022+138#11315#11177
40K → 25.2M6313+50#11177#11127
25.2M → Finish10275+27#11127#11100
TOTALS23362475-139
📊

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