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BOSTON MARATHON 2024

Clayton Polzkill

Bib: 29916•M

CO

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0:00
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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

Start
0:00:00
Race begins
5K· 3.11 mi
30:19
Rank: #22432
Start → 5K
30:19 | 9:45/mi
10K· 6.21 mi
59:11
Rank: #21604 (+828)
5K → 10K
28:52 | 9:17/mi
15K· 9.32 mi
1:27:24
Rank: #20862 (+742)
10K → 15K
28:13 | 9:05/mi
20K· 12.43 mi
1:57:24
Rank: #20533 (+329)
15K → 20K
30:00 | 9:39/mi
Half· 13.11 mi
2:04:21
Rank: #20594 (-61)
20K → Half
6:57 | 10:11/mi
25K· 15.53 mi
2:30:23
Rank: #20641 (-47)
Half → 25K
26:02 | 10:44/mi
30K· 18.64 mi
3:07:03
Rank: #20847 (-206)
25K → 30K
36:40 | 11:48/mi
20M
3:25:20
Rank: #21131 (-284)
30K → 20M
18:17 | 13:27/mi
21M
3:41:15
Rank: #21442 (-311)
20M → 21M
15:55 | 15:55/mi
35K· 21.75 mi
3:53:29
Rank: #21778 (-336)
21M → 35K
12:14 | 16:21/mi
23M
4:10:03
Rank: #21863 (-85)
35K → 23M
16:34 | 13:14/mi
24M
4:25:26
Rank: #22160 (-297)
23M → 24M
15:23 | 15:23/mi
40K· 24.85 mi
4:37:34
Rank: #22248 (-88)
24M → 40K
12:08 | 14:11/mi
25.2M
4:42:38
Rank: #22271 (-23)
40K → 25.2M
5:04 | 14:42/mi
Finish· 26.22 mi
4:58:16
Rank: #22633 (-362)
25.2M → Finish
15:38 | 15:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:21
Pace9:29 /mi
2nd Half
Distance13.11 mi
Time2:53:55
Pace13:16 /mi
📊Positive Split: 39.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:0230:199:4530:19
9:45
-
10K
6.21 mi12:21:5459:119:3128:52
9:17
-0:28
15K
9.32 mi12:50:071:27:249:2328:13
9:05
-0:12
20K
12.43 mi13:20:071:57:249:2730:00
9:39
+0:34
Half
13.11 mi13:27:042:04:219:296:57
10:11
+0:32
25K
15.53 mi13:53:062:30:239:4126:02
10:44
+0:33
30K
18.64 mi14:29:463:07:0310:0236:40
11:48
+1:04
20M
20.00 mi14:48:033:25:2010:1618:17
13:27
+1:39
21M
21.00 mi15:03:583:41:1510:3215:55
15:55
+2:28
35K
21.75 mi15:16:123:53:2910:4412:14
16:21
+0:26
23M
23.00 mi15:32:464:10:0310:5216:34
13:14
-3:07
24M
24.00 mi15:48:094:25:2611:0415:23
15:23
+2:09
40K
24.85 mi16:00:174:37:3411:1012:08
14:11
-1:12
25.2M
25.20 mi16:05:214:42:3811:135:04
14:42
+0:31
Finish
26.22 mi16:20:594:58:1611:2315:38
15:20
+0:38

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

9:05 /mi

Average Pace

11:23 /mi

Slowest Pace

16:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:03

63% of race

Time at Steady Pace

46:59

16% of race

Time at Slower Pace

1:04:14

22% of race

Average Pace: 11:23 /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 mi11:53:0230:199:4530:19
9:45
#22432
10K
6.21 mi12:21:5459:119:3128:52
9:17
#21604
15K
9.32 mi12:50:071:27:249:2328:13
9:05
#20862
20K
12.43 mi13:20:071:57:249:2730:00
9:39
#20533
Half
13.11 mi13:27:042:04:219:296:57
10:11
#20594
25K
15.53 mi13:53:062:30:239:4126:02
10:44
#20641
30K
18.64 mi14:29:463:07:0310:0236:40
11:48
#20847
20M
20.00 mi14:48:033:25:2010:1618:17
13:27
#21131
21M
21.00 mi15:03:583:41:1510:3215:55
15:55
#21442
35K
21.75 mi15:16:123:53:2910:4412:14
16:21
#21778
23M
23.00 mi15:32:464:10:0310:5216:34
13:14
#21863
24M
24.00 mi15:48:094:25:2611:0415:23
15:23
#22160
40K
24.85 mi16:00:174:37:3411:1012:08
14:11
#22248
25.2M
25.20 mi16:05:214:42:3811:135:04
14:42
#22271
Finish
26.22 mi16:20:594:58:1611:2315:38
15:20
#22633
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22432132611326119246(Top 75%)11826(Top 81%)11826(Top 244%)
10K6.21 mi3.10 mi21604+82812859+40212859+40220757(Top 81%)12484(Top 86%)12484(Top 257%)
15K9.32 mi3.11 mi20862+74212531+32812531+32819246(Top 75%)11826(Top 81%)11826(Top 244%)
20K12.43 mi3.11 mi20533+32912379+15212379+15219648(Top 77%)11994(Top 82%)11994(Top 247%)
Half13.11 mi0.68 mi20594-6112401-2212401-2221953(Top 86%)12973(Top 89%)12973(Top 268%)
25K15.53 mi2.42 mi20641-4712411-1012411-1020962(Top 82%)12479(Top 86%)12479(Top 257%)
30K18.64 mi3.11 mi20847-20612451-4012451-4021575(Top 84%)12597(Top 86%)12597(Top 260%)
20M20.00 mi1.36 mi21131-28412553-10212553-10223422(Top 92%)13410(Top 92%)13410(Top 277%)
21M21.00 mi1.00 mi21442-31112673-12012673-12024417(Top 96%)13905(Top 95%)13905(Top 287%)
35K21.75 mi0.75 mi21778-33612823-15012823-15025238(Top 99%)14364(Top 99%)14364(Top 296%)
23M23.00 mi1.25 mi21863-8512843-2012843-2022870(Top 90%)13046(Top 89%)13046(Top 269%)
24M24.00 mi1.00 mi22160-29712982-13912982-13924948(Top 98%)14164(Top 97%)14164(Top 292%)
40K24.85 mi0.85 mi22248-8813004-2213004-2223825(Top 93%)13466(Top 92%)13466(Top 278%)
25.2M25.20 mi0.35 mi22271-2313010-613010-622621(Top 89%)12821(Top 88%)12821(Top 264%)
Finish26.22 mi1.02 mi22633-36213180-17013180-17025256(Top 99%)14350(Top 98%)14350(Top 296%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19246

Males

11826

M18-39

11826

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

20757

Males

12484

M18-39

12484

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19246

Males

11826

M18-39

11826

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

19648

Males

11994

M18-39

11994

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

21953

Males

12973

M18-39

12973

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

20962

Males

12479

M18-39

12479

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

21575

Males

12597

M18-39

12597

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

23422

Males

13410

M18-39

13410

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

24417

Males

13905

M18-39

13905

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

25238

Males

14364

M18-39

14364

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

22870

Males

13046

M18-39

13046

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

24948

Males

14164

M18-39

14164

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

23825

Males

13466

M18-39

13466

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

22621

Males

12821

M18-39

12821

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

25256

Males

14350

M18-39

14350

Passing Analysis

Category:
Athletes Passed
2384
Passed By
2585
Net Change
-201
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22432
5K → 10K84921+828#22432#21604
10K → 15K7442+742#21604#20862
15K → 20K37243+329#20862#20533
20K → Half1475-61#20533#20594
Half → 25K141188-47#20594#20641
25K → 30K116322-206#20641#20847
30K → 20M20304-284#20847#21131
20M → 21M15326-311#21131#21442
21M → 35K13349-336#21442#21778
35K → 23M45130-85#21778#21863
23M → 24M11308-297#21863#22160
24M → 40K29117-88#22160#22248
40K → 25.2M629-23#22248#22271
25.2M → Finish9371-362#22271#22633
TOTALS23842585-201
📊

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