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BOSTON MARATHON 2024

Kyle Szewczyk

Bib: 25761•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
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
8:44/mi
27:09
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
52:33
↑ 79↓ 1380.4%
15K· 9.32 mi
8:45/mi
1:19:45
↑ 67↓ 78
20K· 12.43 mi
9:59/mi
1:50:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:54/mi
1:56:50
↑ 19↓ 370.5%
25K· 15.53 mi
10:22/mi
2:21:57
↑ 66↓ 880.2%
30K· 18.64 mi
11:02/mi
2:56:14
↑ 181↓ 1480.2%
20M
11:34/mi
3:11:57
↑ 64↓ 500.2%
21M
10:45/mi
3:22:42
↑ 106↓ 241.6%
35K· 21.75 mi
11:08/mi
3:31:02
↑ 17↓ 861.7%
23M
11:22/mi
3:45:16
↑ 23↓ 630.6%
24M
10:25/mi
3:55:41
↓ 821.3%
40K· 24.85 mi
11:01/mi
4:05:06
↓ 200.3%
25.2M
11:16/mi
4:08:59
↑ 13↓ 160.2%
Finish· 26.22 mi
9:52/mi
4:19:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:50
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:22:12
Pace10:51 /mi
📊Positive Split: 21.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0027:098:4427:09
8:44
-
10K
6.21 mi12:08:2452:338:2725:24
8:11
-0:33
15K
9.32 mi12:35:361:19:458:3327:12
8:45
+0:34
20K
12.43 mi13:06:371:50:468:5531:01
9:59
+1:14
Half
13.11 mi13:12:411:56:508:556:04
8:54
-1:05
25K
15.53 mi13:37:482:21:579:0825:07
10:22
+1:28
30K
18.64 mi14:12:052:56:149:2734:17
11:02
+0:40
20M
20.00 mi14:27:483:11:579:3615:43
11:34
+0:32
21M
21.00 mi14:38:333:22:429:3910:45
10:45
-0:49
35K
21.75 mi14:46:533:31:029:428:20
11:08
+0:23
23M
23.00 mi15:01:073:45:169:4814:14
11:22
+0:14
24M
24.00 mi15:11:323:55:419:4910:25
10:25
-0:57
40K
24.85 mi15:20:574:05:069:529:25
11:01
+0:36
25.2M
25.20 mi15:24:504:08:599:533:53
11:16
+0:15
Finish
26.22 mi15:34:534:19:029:5310:03
9:52
-1:24

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

8:11 /mi

Average Pace

9:53 /mi

Slowest Pace

11:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:52

37% of race

Time at Steady Pace

1:17:18

30% of race

Time at Slower Pace

1:25:52

33% of race

Average Pace: 9:53 /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 mi11:43:0027:098:4427:09
8:44
#19005
10K
6.21 mi12:08:2452:338:2725:24
8:11
#17258
15K
9.32 mi12:35:361:19:458:3327:12
8:45
#17436
20K
12.43 mi13:06:371:50:468:5531:01
9:59
#18555
Half
13.11 mi13:12:411:56:508:556:04
8:54
#18511
25K
15.53 mi13:37:482:21:579:0825:07
10:22
#18898
30K
18.64 mi14:12:052:56:149:2734:17
11:02
#19211
20M
20.00 mi14:27:483:11:579:3615:43
11:34
#19341
21M
21.00 mi14:38:333:22:429:3910:45
10:45
#19092
35K
21.75 mi14:46:533:31:029:428:20
11:08
#19121
23M
23.00 mi15:01:073:45:169:4814:14
11:22
#19120
24M
24.00 mi15:11:323:55:419:4910:25
10:25
#19022
40K
24.85 mi15:20:574:05:069:529:25
11:01
#18970
25.2M
25.20 mi15:24:504:08:599:533:53
11:16
#18913
Finish
26.22 mi15:34:534:19:029:5310:03
9:52
#18853
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19005116121161217751(Top 69%)11142(Top 76%)11142(Top 230%)
10K6.21 mi3.10 mi17258+174710915+69710915+69715371(Top 60%)10194(Top 70%)10194(Top 210%)
15K9.32 mi3.11 mi17436-17811003-8811003-8817751(Top 69%)11142(Top 76%)11142(Top 230%)
20K12.43 mi3.11 mi18555-111911472-46911472-46920539(Top 80%)12385(Top 85%)12385(Top 255%)
Half13.11 mi0.68 mi18511+4411450+2211450+2217744(Top 69%)11055(Top 76%)11055(Top 228%)
25K15.53 mi2.42 mi18898-38711601-15111601-15120048(Top 78%)12054(Top 83%)12054(Top 249%)
30K18.64 mi3.11 mi19211-31311685-8411685-8420065(Top 79%)11876(Top 81%)11876(Top 245%)
20M20.00 mi1.36 mi19341-13011705-2011705-2020543(Top 80%)11993(Top 82%)11993(Top 247%)
21M21.00 mi1.00 mi19092+24911574+13111574+13115628(Top 61%)9473(Top 65%)9473(Top 195%)
35K21.75 mi0.75 mi19121-2911581-711581-720095(Top 79%)11661(Top 80%)11661(Top 240%)
23M23.00 mi1.25 mi19120+111556+2511556+2519329(Top 76%)11237(Top 77%)11237(Top 232%)
24M24.00 mi1.00 mi19022+9811488+6811488+6817605(Top 69%)10303(Top 71%)10303(Top 212%)
40K24.85 mi0.85 mi18970+5211443+4511443+4518110(Top 71%)10520(Top 72%)10520(Top 217%)
25.2M25.20 mi0.35 mi18913+5711415+2811415+2815343(Top 60%)9125(Top 63%)9125(Top 188%)
Finish26.22 mi1.02 mi18853+6011357+5811357+5817921(Top 70%)10419(Top 71%)10419(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

17751

Males

11142

M18-39

11142

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15371

Males

10194

M18-39

10194

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

17751

Males

11142

M18-39

11142

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

20539

Males

12385

M18-39

12385

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

17744

Males

11055

M18-39

11055

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20048

Males

12054

M18-39

12054

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

20065

Males

11876

M18-39

11876

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

20543

Males

11993

M18-39

11993

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

15628

Males

9473

M18-39

9473

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

20095

Males

11661

M18-39

11661

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

19329

Males

11237

M18-39

11237

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

17605

Males

10303

M18-39

10303

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18110

Males

10520

M18-39

10520

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15343

Males

9125

M18-39

9125

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

17921

Males

10419

M18-39

10419

Passing Analysis

Category:
Athletes Passed
3097
Passed By
2945
Net Change
+152
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19005
5K → 10K17536+1747#19005#17258
10K → 15K187365-178#17258#17436
15K → 20K461165-1119#17436#18555
20K → Half5915+44#18555#18511
Half → 25K101488-387#18511#18898
25K → 30K128441-313#18898#19211
30K → 20M64194-130#19211#19341
20M → 21M2567+249#19341#19092
21M → 35K5079-29#19092#19121
35K → 23M9392+1#19121#19120
23M → 24M11517+98#19120#19022
24M → 40K9947+52#19022#18970
40K → 25.2M625+57#18970#18913
25.2M → Finish8424+60#18913#18853
TOTALS30972945+152
📊

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