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BOSTON MARATHON 2024

Joy Sieklucki

Bib: 25535•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
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
11:35/mi
36:00
↑ 97↓ 3451.5%
10K· 6.21 mi
11:43/mi
1:12:23
↑ 79↓ 1380.4%
15K· 9.32 mi
11:41/mi
1:48:40
↑ 67↓ 78
20K· 12.43 mi
11:16/mi
2:23:39
↑ 106↓ 860.1%
Half· 13.11 mi
11:04/mi
2:31:12
↑ 19↓ 370.5%
25K· 15.53 mi
11:26/mi
2:58:56
↑ 66↓ 880.2%
30K· 18.64 mi
12:29/mi
3:37:42
↑ 181↓ 1480.2%
20M
13:05/mi
3:55:29
↑ 64↓ 500.2%
21M
14:17/mi
4:09:46
↑ 106↓ 241.6%
35K· 21.75 mi
12:43/mi
4:19:17
↑ 17↓ 861.7%
23M
12:28/mi
4:34:53
↑ 23↓ 630.6%
24M
13:00/mi
4:47:53
↓ 821.3%
40K· 24.85 mi
12:58/mi
4:58:58
↓ 200.3%
25.2M
14:24/mi
5:03:56
↑ 13↓ 160.2%
Finish· 26.22 mi
12:20/mi
5:16:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:31:12
Pace11:32 /mi
2nd Half
Distance13.11 mi
Time2:45:18
Pace12:37 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1136:0011:3536:00
11:35
-
10K
6.21 mi12:30:341:12:2311:3936:23
11:43
+0:08
15K
9.32 mi13:06:511:48:4011:4036:17
11:41
-0:02
20K
12.43 mi13:41:502:23:3911:3434:59
11:16
-0:25
Half
13.11 mi13:49:232:31:1211:327:33
11:04
-0:12
25K
15.53 mi14:17:072:58:5611:3127:44
11:26
+0:22
30K
18.64 mi14:55:533:37:4211:4138:46
12:29
+1:03
20M
20.00 mi15:13:403:55:2911:4617:47
13:05
+0:36
21M
21.00 mi15:27:574:09:4611:5414:17
14:17
+1:12
35K
21.75 mi15:37:284:19:1711:559:31
12:43
-1:34
23M
23.00 mi15:53:044:34:5311:5715:36
12:28
-0:15
24M
24.00 mi16:06:044:47:5312:0013:00
13:00
+0:32
40K
24.85 mi16:17:094:58:5812:0211:05
12:58
-0:02
25.2M
25.20 mi16:22:075:03:5612:044:58
14:24
+1:26
Finish
26.22 mi16:34:415:16:3012:0512:34
12:20
-2:04

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

11:04 /mi

Average Pace

12:05 /mi

Slowest Pace

14:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:56

57% of race

Time at Steady Pace

1:16:27

24% of race

Time at Slower Pace

1:01:07

19% of race

Average Pace: 12:04 /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 mi11:54:1136:0011:3536:00
11:35
#25262
10K
6.21 mi12:30:341:12:2311:3936:23
11:43
#25129
15K
9.32 mi13:06:511:48:4011:4036:17
11:41
#24947
20K
12.43 mi13:41:502:23:3911:3434:59
11:16
#24583
Half
13.11 mi13:49:232:31:1211:327:33
11:04
#24536
25K
15.53 mi14:17:072:58:5611:3127:44
11:26
#24208
30K
18.64 mi14:55:533:37:4211:4138:46
12:29
#23959
20M
20.00 mi15:13:403:55:2911:4617:47
13:05
#23908
21M
21.00 mi15:27:574:09:4611:5414:17
14:17
#23855
35K
21.75 mi15:37:284:19:1711:559:31
12:43
#23830
23M
23.00 mi15:53:044:34:5311:5715:36
12:28
#23733
24M
24.00 mi16:06:044:47:5312:0013:00
13:00
#23720
40K
24.85 mi16:17:094:58:5812:0211:05
12:58
#23692
25.2M
25.20 mi16:22:075:03:5612:044:58
14:24
#23674
Finish
26.22 mi16:34:415:16:3012:0512:34
12:20
#23685
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi25262107351073524456(Top 96%)10248(Top 94%)10248(Top 863%)
10K6.21 mi3.10 mi25129+13310647+8810647+8824947(Top 98%)10537(Top 96%)10537(Top 888%)
15K9.32 mi3.11 mi24947+18210533+11410533+11424456(Top 96%)10248(Top 94%)10248(Top 863%)
20K12.43 mi3.11 mi24583+36410307+22610307+22623077(Top 90%)9489(Top 87%)9489(Top 799%)
Half13.11 mi0.68 mi24536+4710281+2610281+2623618(Top 92%)9839(Top 90%)9839(Top 829%)
25K15.53 mi2.42 mi24208+32810100+18110100+18122315(Top 87%)9167(Top 84%)9167(Top 772%)
30K18.64 mi3.11 mi23959+2499997+1039997+10322654(Top 89%)9478(Top 87%)9478(Top 798%)
20M20.00 mi1.36 mi23908+519999-29999-222967(Top 90%)9740(Top 89%)9740(Top 821%)
21M21.00 mi1.00 mi23855+539975+249975+2422712(Top 89%)9653(Top 88%)9653(Top 813%)
35K21.75 mi0.75 mi23830+259968+79968+722913(Top 90%)9782(Top 90%)9782(Top 824%)
23M23.00 mi1.25 mi23733+979931+379931+3721639(Top 85%)9196(Top 84%)9196(Top 775%)
24M24.00 mi1.00 mi23720+139934-39934-323088(Top 90%)9947(Top 91%)9947(Top 838%)
40K24.85 mi0.85 mi23692+289928+69928+622227(Top 87%)9568(Top 88%)9568(Top 806%)
25.2M25.20 mi0.35 mi23674+189920+89920+822242(Top 87%)9580(Top 88%)9580(Top 807%)
Finish26.22 mi1.02 mi23685-119934-149934-1423676(Top 93%)10251(Top 94%)10251(Top 864%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

24456

Females

10248

F50-54

10248

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

24947

Females

10537

F50-54

10537

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

24456

Females

10248

F50-54

10248

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

23077

Females

9489

F50-54

9489

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

23618

Females

9839

F50-54

9839

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

22315

Females

9167

F50-54

9167

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

22654

Females

9478

F50-54

9478

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

22967

Females

9740

F50-54

9740

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

22712

Females

9653

F50-54

9653

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

22913

Females

9782

F50-54

9782

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

21639

Females

9196

F50-54

9196

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23088

Females

9947

F50-54

9947

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

22227

Females

9568

F50-54

9568

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

22242

Females

9580

F50-54

9580

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

23676

Females

10251

F50-54

10251

Passing Analysis

Category:
Athletes Passed
1779
Passed By
202
Net Change
+1577
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25262
5K → 10K15118+133#25262#25129
10K → 15K1886+182#25129#24947
15K → 20K3673+364#24947#24583
20K → Half525+47#24583#24536
Half → 25K3291+328#24536#24208
25K → 30K26112+249#24208#23959
30K → 20M8029+51#23959#23908
20M → 21M7320+53#23908#23855
21M → 35K3510+25#23855#23830
35K → 23M10710+97#23830#23733
23M → 24M3623+13#23733#23720
24M → 40K4113+28#23720#23692
40K → 25.2M213+18#23692#23674
25.2M → Finish3849-11#23674#23685
TOTALS1779202+1577
📊

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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Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing