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BOSTON MARATHON 2024

Leah Crawford

Bib: 17402•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 49%
Masters (Masters Women)
#0 / 6263
Top 40%
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:00
Rank: #15006
Start → 5K
25:00 | 8:03/mi
10K· 6.21 mi
50:19
Rank: #15097 (-91)
5K → 10K
25:19 | 8:09/mi
15K· 9.32 mi
1:18:39
Rank: #16735 (-1638)
10K → 15K
28:20 | 9:07/mi
20K· 12.43 mi
1:45:28
Rank: #16340 (+395)
15K → 20K
26:49 | 8:38/mi
Half· 13.11 mi
1:51:16
Rank: #16298 (+42)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:12:32
Rank: #15923 (+375)
Half → 25K
21:16 | 8:46/mi
30K· 18.64 mi
2:40:27
Rank: #15380 (+543)
25K → 30K
27:55 | 8:59/mi
20M
2:52:44
Rank: #15176 (+204)
30K → 20M
12:17 | 9:02/mi
21M
3:02:20
Rank: #14927 (+249)
20M → 21M
9:36 | 9:36/mi
35K· 21.75 mi
3:08:48
Rank: #14806 (+121)
21M → 35K
6:28 | 8:39/mi
23M
3:20:18
Rank: #14598 (+208)
35K → 23M
11:30 | 9:11/mi
24M
3:32:09
Rank: #15127 (-529)
23M → 24M
11:51 | 11:51/mi
40K· 24.85 mi
3:40:17
Rank: #15008 (+119)
24M → 40K
8:08 | 9:31/mi
25.2M
3:44:04
Rank: #14998 (+10)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:53:32
Rank: #15015 (-17)
25.2M → Finish
9:28 | 9:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:16
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:02:16
Pace9:20 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4825:008:0325:00
8:03
-
10K
6.21 mi11:41:0750:198:0625:19
8:09
+0:06
15K
9.32 mi12:09:271:18:398:2628:20
9:07
+0:58
20K
12.43 mi12:36:161:45:288:2926:49
8:38
-0:29
Half
13.11 mi12:42:041:51:168:295:48
8:30
-0:08
25K
15.53 mi13:03:202:12:328:3221:16
8:46
+0:16
30K
18.64 mi13:31:152:40:278:3627:55
8:59
+0:13
20M
20.00 mi13:43:322:52:448:3812:17
9:02
+0:03
21M
21.00 mi13:53:083:02:208:419:36
9:36
+0:34
35K
21.75 mi13:59:363:08:488:416:28
8:39
-0:57
23M
23.00 mi14:11:063:20:188:4311:30
9:11
+0:32
24M
24.00 mi14:22:573:32:098:5011:51
11:51
+2:40
40K
24.85 mi14:31:053:40:178:528:08
9:31
-2:20
25.2M
25.20 mi14:34:523:44:048:533:47
10:58
+1:27
Finish
26.22 mi14:44:203:53:328:559:28
9:17
-1:41

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

8:03 /mi

Average Pace

8:55 /mi

Slowest Pace

11:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:07

24% of race

Time at Steady Pace

2:32:11

65% of race

Time at Slower Pace

25:14

11% of race

Average Pace: 8:54 /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 mi11:15:4825:008:0325:00
8:03
#15006
10K
6.21 mi11:41:0750:198:0625:19
8:09
#15097
15K
9.32 mi12:09:271:18:398:2628:20
9:07
#16735
20K
12.43 mi12:36:161:45:288:2926:49
8:38
#16340
Half
13.11 mi12:42:041:51:168:295:48
8:30
#16298
25K
15.53 mi13:03:202:12:328:3221:16
8:46
#15923
30K
18.64 mi13:31:152:40:278:3627:55
8:59
#15380
20M
20.00 mi13:43:322:52:448:3812:17
9:02
#15176
21M
21.00 mi13:53:083:02:208:419:36
9:36
#14927
35K
21.75 mi13:59:363:08:488:416:28
8:39
#14806
23M
23.00 mi14:11:063:20:188:4311:30
9:11
#14598
24M
24.00 mi14:22:573:32:098:5011:51
11:51
#15127
40K
24.85 mi14:31:053:40:178:528:08
9:31
#15008
25.2M
25.20 mi14:34:523:44:048:533:47
10:58
#14998
Finish
26.22 mi14:44:203:53:328:559:28
9:17
#15015
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi150064950495019414(Top 76%)7470(Top 68%)7470(Top 463%)
10K6.21 mi3.10 mi15097-914995-454995-4515232(Top 60%)5069(Top 46%)5069(Top 314%)
15K9.32 mi3.11 mi16735-16385986-9915986-99119414(Top 76%)7470(Top 68%)7470(Top 463%)
20K12.43 mi3.11 mi16340+3955768+2185768+21815505(Top 61%)5304(Top 49%)5304(Top 329%)
Half13.11 mi0.68 mi16298+425750+185750+1815775(Top 62%)5507(Top 50%)5507(Top 341%)
25K15.53 mi2.42 mi15923+3755565+1855565+18514444(Top 57%)4865(Top 45%)4865(Top 302%)
30K18.64 mi3.11 mi15380+5435307+2585307+25813172(Top 52%)4378(Top 40%)4378(Top 271%)
20M20.00 mi1.36 mi15176+2045236+715236+7112354(Top 48%)4223(Top 39%)4223(Top 262%)
21M21.00 mi1.00 mi14927+2495134+1025134+10211321(Top 44%)3910(Top 36%)3910(Top 242%)
35K21.75 mi0.75 mi14806+1215099+355099+3511572(Top 45%)4069(Top 37%)4069(Top 252%)
23M23.00 mi1.25 mi14598+2085040+595040+5912090(Top 47%)4458(Top 41%)4458(Top 276%)
24M24.00 mi1.00 mi15127-5295354-3145354-31421132(Top 83%)8999(Top 82%)8999(Top 558%)
40K24.85 mi0.85 mi15008+1195329+255329+2513183(Top 52%)5140(Top 47%)5140(Top 319%)
25.2M25.20 mi0.35 mi14998+105342-135342-1314419(Top 56%)5762(Top 53%)5762(Top 357%)
Finish26.22 mi1.02 mi15015-175376-345376-3415563(Top 61%)6284(Top 58%)6284(Top 390%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

19414

Females

7470

F40-44

7470

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

15232

Females

5069

F40-44

5069

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

19414

Females

7470

F40-44

7470

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

15505

Females

5304

F40-44

5304

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

15775

Females

5507

F40-44

5507

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

14444

Females

4865

F40-44

4865

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13172

Females

4378

F40-44

4378

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12354

Females

4223

F40-44

4223

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11321

Females

3910

F40-44

3910

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

11572

Females

4069

F40-44

4069

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

12090

Females

4458

F40-44

4458

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

21132

Females

8999

F40-44

8999

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13183

Females

5140

F40-44

5140

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14419

Females

5762

F40-44

5762

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

15563

Females

6284

F40-44

6284

Passing Analysis

Category:
Athletes Passed
2945
Passed By
2954
Net Change
-9
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15006
5K → 10K244335-91#15006#15097
10K → 15K181656-1638#15097#16735
15K → 20K46368+395#16735#16340
20K → Half6624+42#16340#16298
Half → 25K42146+375#16298#15923
25K → 30K58643+543#15923#15380
30K → 20M22218+204#15380#15176
20M → 21M26718+249#15176#14927
21M → 35K13817+121#14927#14806
35K → 23M23123+208#14806#14598
23M → 24M20549-529#14598#15127
24M → 40K14930+119#15127#15008
40K → 25.2M5545+10#15008#14998
25.2M → Finish6582-17#14998#15015
TOTALS29452954-9
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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