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BOSTON MARATHON 2024

Leslie Beech Chambers

Bib: 24047•F

AL

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
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
9:26/mi
29:20
↑ 97↓ 3451.5%
10K· 6.21 mi
9:21/mi
58:22
↑ 79↓ 1380.4%
15K· 9.32 mi
9:35/mi
1:28:09
↑ 67↓ 78
20K· 12.43 mi
9:33/mi
1:57:48
↑ 106↓ 860.1%
Half· 13.11 mi
9:30/mi
2:04:17
↑ 19↓ 370.5%
25K· 15.53 mi
9:50/mi
2:28:07
↑ 66↓ 880.2%
30K· 18.64 mi
10:31/mi
3:00:47
↑ 181↓ 1480.2%
20M
10:00/mi
3:14:22
↑ 64↓ 500.2%
21M
13:02/mi
3:27:24
↑ 106↓ 241.6%
35K· 21.75 mi
9:55/mi
3:34:49
↑ 17↓ 861.7%
23M
10:44/mi
3:48:15
↑ 23↓ 630.6%
24M
11:57/mi
4:00:12
↓ 821.3%
40K· 24.85 mi
11:49/mi
4:10:18
↓ 200.3%
25.2M
16:35/mi
4:16:01
↑ 13↓ 160.2%
Finish· 26.22 mi
11:16/mi
4:27:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:17
Pace9:29 /mi
2nd Half
Distance13.11 mi
Time2:23:13
Pace10:56 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4229:209:2629:20
9:26
-
10K
6.21 mi12:13:4458:229:2429:02
9:21
-0:05
15K
9.32 mi12:43:311:28:099:2729:47
9:35
+0:14
20K
12.43 mi13:13:101:57:489:2929:39
9:33
-0:02
Half
13.11 mi13:19:392:04:179:296:29
9:30
-0:03
25K
15.53 mi13:43:292:28:079:3223:50
9:50
+0:20
30K
18.64 mi14:16:093:00:479:4232:40
10:31
+0:41
20M
20.00 mi14:29:443:14:229:4313:35
10:00
-0:31
21M
21.00 mi14:42:463:27:249:5313:02
13:02
+3:02
35K
21.75 mi14:50:113:34:499:537:25
9:55
-3:07
23M
23.00 mi15:03:373:48:159:5513:26
10:44
+0:49
24M
24.00 mi15:15:344:00:1210:0111:57
11:57
+1:13
40K
24.85 mi15:25:404:10:1810:0410:06
11:49
-0:08
25.2M
25.20 mi15:31:234:16:0110:105:43
16:35
+4:46
Finish
26.22 mi15:42:524:27:3010:1311:29
11:16
-5:19

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

9:21 /mi

Average Pace

10:13 /mi

Slowest Pace

16:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:35:13

80% of race

Time at Slower Pace

52:17

20% of race

Average Pace: 10:12 /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 mi11:44:4229:209:2629:20
9:26
#21565
10K
6.21 mi12:13:4458:229:2429:02
9:21
#21246
15K
9.32 mi12:43:311:28:099:2729:47
9:35
#21105
20K
12.43 mi13:13:101:57:489:2929:39
9:33
#20622
Half
13.11 mi13:19:392:04:179:296:29
9:30
#20579
25K
15.53 mi13:43:292:28:079:3223:50
9:50
#20252
30K
18.64 mi14:16:093:00:479:4232:40
10:31
#19958
20M
20.00 mi14:29:443:14:229:4313:35
10:00
#19701
21M
21.00 mi14:42:463:27:249:5313:02
13:02
#19758
35K
21.75 mi14:50:113:34:499:537:25
9:55
#19623
23M
23.00 mi15:03:373:48:159:5513:26
10:44
#19510
24M
24.00 mi15:15:344:00:1210:0111:57
11:57
#19585
40K
24.85 mi15:25:404:10:1810:0410:06
11:49
#19610
25.2M
25.20 mi15:31:234:16:0110:105:43
16:35
#19742
Finish
26.22 mi15:42:524:27:3010:1311:29
11:16
#19828
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi215658699869920921(Top 82%)8278(Top 76%)8278(Top 178%)
10K6.21 mi3.10 mi21246+3198513+1868513+18620923(Top 82%)8324(Top 76%)8324(Top 179%)
15K9.32 mi3.11 mi21105+1418420+938420+9320921(Top 82%)8278(Top 76%)8278(Top 178%)
20K12.43 mi3.11 mi20622+4838158+2628158+26219350(Top 76%)7464(Top 68%)7464(Top 160%)
Half13.11 mi0.68 mi20579+438143+158143+1520110(Top 79%)7938(Top 73%)7938(Top 170%)
25K15.53 mi2.42 mi20252+3277968+1757968+17518647(Top 73%)7191(Top 66%)7191(Top 154%)
30K18.64 mi3.11 mi19958+2947873+957873+9518819(Top 74%)7482(Top 68%)7482(Top 161%)
20M20.00 mi1.36 mi19701+2577768+1057768+10516480(Top 65%)6453(Top 59%)6453(Top 138%)
21M21.00 mi1.00 mi19758-577823-557823-5520796(Top 81%)8700(Top 80%)8700(Top 187%)
35K21.75 mi0.75 mi19623+1357779+447779+4416918(Top 66%)6819(Top 62%)6819(Top 146%)
23M23.00 mi1.25 mi19510+1137736+437736+4317658(Top 69%)7252(Top 66%)7252(Top 156%)
24M24.00 mi1.00 mi19585-757799-637799-6321355(Top 84%)9113(Top 83%)9113(Top 196%)
40K24.85 mi0.85 mi19610-257829-307829-3020068(Top 79%)8560(Top 78%)8560(Top 184%)
25.2M25.20 mi0.35 mi19742-1327896-677896-6724422(Top 96%)10535(Top 96%)10535(Top 226%)
Finish26.22 mi1.02 mi19828-867958-627958-6221970(Top 86%)9437(Top 86%)9437(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

20921

Females

8278

F18-39

8278

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

20923

Females

8324

F18-39

8324

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

20921

Females

8278

F18-39

8278

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

19350

Females

7464

F18-39

7464

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

20110

Females

7938

F18-39

7938

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

18647

Females

7191

F18-39

7191

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

18819

Females

7482

F18-39

7482

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

16480

Females

6453

F18-39

6453

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

20796

Females

8700

F18-39

8700

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

16918

Females

6819

F18-39

6819

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

17658

Females

7252

F18-39

7252

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

21355

Females

9113

F18-39

9113

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20068

Females

8560

F18-39

8560

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

24422

Females

10535

F18-39

10535

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

21970

Females

9437

F18-39

9437

Passing Analysis

Category:
Athletes Passed
2678
Passed By
941
Net Change
+1737
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21565
5K → 10K430111+319#21565#21246
10K → 15K248107+141#21246#21105
15K → 20K50724+483#21105#20622
20K → Half5714+43#20622#20579
Half → 25K34821+327#20579#20252
25K → 30K34450+294#20252#19958
30K → 20M2625+257#19958#19701
20M → 21M61118-57#19701#19758
21M → 35K1449+135#19758#19623
35K → 23M14027+113#19623#19510
23M → 24M51126-75#19510#19585
24M → 40K4772-25#19585#19610
40K → 25.2M5137-132#19610#19742
25.2M → Finish34120-86#19742#19828
TOTALS2678941+1737
📊

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