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BOSTON MARATHON 2023

David Buckland

Bib: 30608•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:07
Rank: #19055
Start → 5K
27:07 | 8:44/mi
10K· 6.21 mi
53:16
Rank: #18343 (+712)
5K → 10K
26:09 | 8:25/mi
15K· 9.32 mi
1:19:27
Rank: #17988 (+355)
10K → 15K
26:11 | 8:26/mi
20K· 12.43 mi
1:46:35
Rank: #18066 (-78)
15K → 20K
27:08 | 8:44/mi
Half· 13.11 mi
1:52:26
Rank: #18066
20K → Half
5:51 | 8:34/mi
25K· 15.53 mi
2:14:17
Rank: #18237 (-171)
Half → 25K
21:51 | 9:01/mi
30K· 18.64 mi
2:43:27
Rank: #18384 (-147)
25K → 30K
29:10 | 9:23/mi
20M
2:57:01
Rank: #18611 (-227)
30K → 20M
13:34 | 9:59/mi
21M
3:09:21
Rank: #19123 (-512)
20M → 21M
12:20 | 12:20/mi
35K· 21.75 mi
3:18:39
Rank: #19619 (-496)
21M → 35K
9:18 | 12:26/mi
23M
3:31:20
Rank: #19693 (-74)
35K → 23M
12:41 | 10:08/mi
24M
3:41:44
Rank: #19824 (-131)
23M → 24M
10:24 | 10:24/mi
40K· 24.85 mi
3:50:03
Rank: #19796 (+28)
24M → 40K
8:19 | 9:44/mi
25.2M
3:53:56
Rank: #19826 (-30)
40K → 25.2M
3:53 | 11:16/mi
Finish· 26.22 mi
4:02:56
Rank: #19747 (+79)
25.2M → Finish
9:00 | 8:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:26
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:10:30
Pace9:57 /mi
📊Positive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0927:078:4427:07
8:44
-
10K
6.21 mi12:12:1853:168:3426:09
8:25
-0:19
15K
9.32 mi12:38:291:19:278:3126:11
8:26
+0:01
20K
12.43 mi13:05:371:46:358:3527:08
8:44
+0:18
Half
13.11 mi13:11:281:52:268:355:51
8:34
-0:10
25K
15.53 mi13:33:192:14:178:3921:51
9:01
+0:27
30K
18.64 mi14:02:292:43:278:4629:10
9:23
+0:22
20M
20.00 mi14:16:032:57:018:5113:34
9:59
+0:36
21M
21.00 mi14:28:233:09:219:0112:20
12:20
+2:21
35K
21.75 mi14:37:413:18:399:089:18
12:26
+0:06
23M
23.00 mi14:50:223:31:209:1112:41
10:08
-2:18
24M
24.00 mi15:00:463:41:449:1410:24
10:24
+0:16
40K
24.85 mi15:09:053:50:039:158:19
9:44
-0:40
25.2M
25.20 mi15:12:583:53:569:173:53
11:16
+1:32
Finish
26.22 mi15:21:584:02:569:169:00
8:50
-2:26

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

8:25 /mi

Average Pace

9:16 /mi

Slowest Pace

12:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:26

46% of race

Time at Steady Pace

1:21:54

34% of race

Time at Slower Pace

48:36

20% of race

Average Pace: 9:16 /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 mi11:46:0927:078:4427:07
8:44
#19055
10K
6.21 mi12:12:1853:168:3426:09
8:25
#18343
15K
9.32 mi12:38:291:19:278:3126:11
8:26
#17988
20K
12.43 mi13:05:371:46:358:3527:08
8:44
#18066
Half
13.11 mi13:11:281:52:268:355:51
8:34
#18066
25K
15.53 mi13:33:192:14:178:3921:51
9:01
#18237
30K
18.64 mi14:02:292:43:278:4629:10
9:23
#18384
20M
20.00 mi14:16:032:57:018:5113:34
9:59
#18611
21M
21.00 mi14:28:233:09:219:0112:20
12:20
#19123
35K
21.75 mi14:37:413:18:399:089:18
12:26
#19619
23M
23.00 mi14:50:223:31:209:1112:41
10:08
#19693
24M
24.00 mi15:00:463:41:449:1410:24
10:24
#19824
40K
24.85 mi15:09:053:50:039:158:19
9:44
#19796
25.2M
25.20 mi15:12:583:53:569:173:53
11:16
#19826
Finish
26.22 mi15:21:584:02:569:169:00
8:50
#19747
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19055118021180217313(Top 65%)11182(Top 74%)11182(Top 212%)
10K6.21 mi3.10 mi18343+71211602+20011602+20017675(Top 66%)11366(Top 75%)11366(Top 215%)
15K9.32 mi3.11 mi17988+35511447+15511447+15517313(Top 65%)11182(Top 74%)11182(Top 212%)
20K12.43 mi3.11 mi18066-7811492-4511492-4518318(Top 69%)11616(Top 77%)11616(Top 220%)
Half13.11 mi0.68 mi1806611498-611498-618166(Top 68%)11572(Top 76%)11572(Top 219%)
25K15.53 mi2.42 mi18237-17111547-4911547-4919014(Top 71%)11858(Top 78%)11858(Top 224%)
30K18.64 mi3.11 mi18384-14711570-2311570-2318982(Top 71%)11778(Top 78%)11778(Top 223%)
20M20.00 mi1.36 mi18611-22711653-8311653-8320430(Top 77%)12313(Top 81%)12313(Top 233%)
21M21.00 mi1.00 mi19123-51211866-21311866-21323236(Top 87%)13539(Top 89%)13539(Top 256%)
35K21.75 mi0.75 mi19619-49612068-20212068-20225094(Top 94%)14369(Top 95%)14369(Top 272%)
23M23.00 mi1.25 mi19693-7412093-2512093-2520364(Top 76%)12183(Top 80%)12183(Top 231%)
24M24.00 mi1.00 mi19824-13112139-4612139-4621786(Top 82%)12763(Top 84%)12763(Top 241%)
40K24.85 mi0.85 mi19796+2812109+3012109+3019103(Top 72%)11539(Top 76%)11539(Top 218%)
25.2M25.20 mi0.35 mi19826-3012118-912118-921019(Top 79%)12392(Top 82%)12392(Top 234%)
Finish26.22 mi1.02 mi19747+7912084+3412084+3417194(Top 65%)10696(Top 70%)10696(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17313

Males

11182

M18-39

11182

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17675

Males

11366

M18-39

11366

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17313

Males

11182

M18-39

11182

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

18318

Males

11616

M18-39

11616

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18166

Males

11572

M18-39

11572

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

19014

Males

11858

M18-39

11858

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18982

Males

11778

M18-39

11778

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20430

Males

12313

M18-39

12313

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

23236

Males

13539

M18-39

13539

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

25094

Males

14369

M18-39

14369

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20364

Males

12183

M18-39

12183

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21786

Males

12763

M18-39

12763

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19103

Males

11539

M18-39

11539

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21019

Males

12392

M18-39

12392

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17194

Males

10696

M18-39

10696

Passing Analysis

Category:
Athletes Passed
1932
Passed By
2624
Net Change
-692
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19055
5K → 10K847135+712#19055#18343
10K → 15K41964+355#18343#17988
15K → 20K149227-78#17988#18066
20K → Half26260#18066#18066
Half → 25K78249-171#18066#18237
25K → 30K134281-147#18237#18384
30K → 20M36263-227#18384#18611
20M → 21M6518-512#18611#19123
21M → 35K4500-496#19123#19619
35K → 23M51125-74#19619#19693
23M → 24M17148-131#19693#19824
24M → 40K6436+28#19824#19796
40K → 25.2M1242-30#19796#19826
25.2M → Finish8910+79#19826#19747
TOTALS19322624-692
📊

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