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BOSTON MARATHON 2024

Leah Smith

Bib: 12971•F

KS

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 28%
Gender (Female)
#0 / 10924
Top 12%
Division (F18-39)
#0 / 4660
Top 22%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:22
Rank: #10952
Start → 5K
23:22 | 7:31/mi
10K· 6.21 mi
46:08
Rank: #9810 (+1142)
5K → 10K
22:46 | 7:20/mi
15K· 9.32 mi
1:08:46
Rank: #9177 (+633)
10K → 15K
22:38 | 7:17/mi
20K· 12.43 mi
1:31:49
Rank: #8768 (+409)
15K → 20K
23:03 | 7:25/mi
Half· 13.11 mi
1:36:54
Rank: #8763 (+5)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:55:08
Rank: #8415 (+348)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:19:10
Rank: #7896 (+519)
25K → 30K
24:02 | 7:44/mi
20M
2:29:53
Rank: #7702 (+194)
30K → 20M
10:43 | 7:53/mi
21M
2:38:29
Rank: #7552 (+150)
20M → 21M
8:36 | 8:36/mi
35K· 21.75 mi
2:44:16
Rank: #7442 (+110)
21M → 35K
5:47 | 7:44/mi
23M
2:54:27
Rank: #7291 (+151)
35K → 23M
10:11 | 8:08/mi
24M
3:02:38
Rank: #7244 (+47)
23M → 24M
8:11 | 8:11/mi
40K· 24.85 mi
3:09:40
Rank: #7163 (+81)
24M → 40K
7:02 | 8:14/mi
25.2M
3:12:45
Rank: #7115 (+48)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:20:34
Rank: #7036 (+79)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:54
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:43:40
Pace7:54 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0323:227:3123:22
7:31
-
10K
6.21 mi11:18:4946:087:2522:46
7:20
-0:11
15K
9.32 mi11:41:271:08:467:2322:38
7:17
-0:03
20K
12.43 mi12:04:301:31:497:2323:03
7:25
+0:08
Half
13.11 mi12:09:351:36:547:235:05
7:27
+0:02
25K
15.53 mi12:27:491:55:087:2518:14
7:31
+0:04
30K
18.64 mi12:51:512:19:107:2824:02
7:44
+0:13
20M
20.00 mi13:02:342:29:537:3010:43
7:53
+0:09
21M
21.00 mi13:11:102:38:297:338:36
8:36
+0:43
35K
21.75 mi13:16:572:44:167:335:47
7:44
-0:52
23M
23.00 mi13:27:082:54:277:3510:11
8:08
+0:24
24M
24.00 mi13:35:193:02:387:378:11
8:11
+0:03
40K
24.85 mi13:42:213:09:407:387:02
8:14
+0:03
25.2M
25.20 mi13:45:263:12:457:393:05
8:56
+0:42
Finish
26.22 mi13:53:153:20:347:397:49
7:40
-1:16

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

7:17 /mi

Average Pace

7:39 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:32

37% of race

Time at Steady Pace

1:29:57

45% of race

Time at Slower Pace

37:05

18% of race

Average Pace: 7:39 /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 mi10:56:0323:227:3123:22
7:31
#10952
10K
6.21 mi11:18:4946:087:2522:46
7:20
#9810
15K
9.32 mi11:41:271:08:467:2322:38
7:17
#9177
20K
12.43 mi12:04:301:31:497:2323:03
7:25
#8768
Half
13.11 mi12:09:351:36:547:235:05
7:27
#8763
25K
15.53 mi12:27:491:55:087:2518:14
7:31
#8415
30K
18.64 mi12:51:512:19:107:2824:02
7:44
#7896
20M
20.00 mi13:02:342:29:537:3010:43
7:53
#7702
21M
21.00 mi13:11:102:38:297:338:36
8:36
#7552
35K
21.75 mi13:16:572:44:167:335:47
7:44
#7442
23M
23.00 mi13:27:082:54:277:3510:11
8:08
#7291
24M
24.00 mi13:35:193:02:387:378:11
8:11
#7244
40K
24.85 mi13:42:213:09:407:387:02
8:14
#7163
25.2M
25.20 mi13:45:263:12:457:393:05
8:56
#7115
Finish
26.22 mi13:53:153:20:347:397:49
7:40
#7036
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10952253225328074(Top 32%)1297(Top 12%)1297(Top 28%)
10K6.21 mi3.10 mi9810+11421957+5751957+5758894(Top 35%)1594(Top 15%)1594(Top 34%)
15K9.32 mi3.11 mi9177+6331705+2521705+2528074(Top 32%)1297(Top 12%)1297(Top 28%)
20K12.43 mi3.11 mi8768+4091567+1381567+1387785(Top 30%)1297(Top 12%)1297(Top 28%)
Half13.11 mi0.68 mi8763+51570-31570-38775(Top 34%)1696(Top 16%)1696(Top 36%)
25K15.53 mi2.42 mi8415+3481466+1041466+1047118(Top 28%)1210(Top 11%)1210(Top 26%)
30K18.64 mi3.11 mi7896+5191350+1161350+1166344(Top 25%)1100(Top 10%)1100(Top 24%)
20M20.00 mi1.36 mi7702+1941303+471303+476167(Top 24%)1201(Top 11%)1201(Top 26%)
21M21.00 mi1.00 mi7552+1501298+51298+56716(Top 26%)1586(Top 15%)1586(Top 34%)
35K21.75 mi0.75 mi7442+1101283+151283+156245(Top 24%)1399(Top 13%)1399(Top 30%)
23M23.00 mi1.25 mi7291+1511277+61277+66444(Top 25%)1653(Top 15%)1653(Top 35%)
24M24.00 mi1.00 mi7244+471300-231300-237662(Top 30%)2314(Top 21%)2314(Top 50%)
40K24.85 mi0.85 mi7163+811315-151315-156952(Top 27%)2095(Top 19%)2095(Top 45%)
25.2M25.20 mi0.35 mi7115+481317-21317-26317(Top 25%)1848(Top 17%)1848(Top 40%)
Finish26.22 mi1.02 mi7036+791320-31320-36576(Top 26%)1920(Top 18%)1920(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8074

Females

1297

F18-39

1297

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

8894

Females

1594

F18-39

1594

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8074

Females

1297

F18-39

1297

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

7785

Females

1297

F18-39

1297

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

8775

Females

1696

F18-39

1696

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7118

Females

1210

F18-39

1210

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6344

Females

1100

F18-39

1100

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6167

Females

1201

F18-39

1201

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6716

Females

1586

F18-39

1586

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6245

Females

1399

F18-39

1399

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6444

Females

1653

F18-39

1653

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7662

Females

2314

F18-39

2314

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

6952

Females

2095

F18-39

2095

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6317

Females

1848

F18-39

1848

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6576

Females

1920

F18-39

1920

Passing Analysis

Category:
Athletes Passed
4375*
Passed By
459
Net Change
+3916
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10952
5K → 10K1158*16+1142#10952#9810
10K → 15K6418+633#9810#9177
15K → 20K43324+409#9177#8768
20K → Half3732+5#8768#8763
Half → 25K38638+348#8763#8415
25K → 30K55536+519#8415#7896
30K → 20M22228+194#7896#7702
20M → 21M19848+150#7702#7552
21M → 35K12919+110#7552#7442
35K → 23M20150+151#7442#7291
23M → 24M11366+47#7291#7244
24M → 40K12645+81#7244#7163
40K → 25.2M5911+48#7163#7115
25.2M → Finish11738+79#7115#7036
TOTALS4375*459+3916

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

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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