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BOSTON MARATHON 2023

Clint Havens

Bib: 29912•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:45
Rank: #23179
Start → 5K
9:54/mi
30:45 split
10K· 6.21 mi
1:00:32
Rank: #23009 (+170)
5K → 10K
9:35/mi
29:47 split
15K· 9.32 mi
1:29:18
Rank: #22532 (+477)
10K → 15K
9:16/mi
28:46 split
20K· 12.43 mi
1:58:10
Rank: #22135 (+397)
15K → 20K
9:17/mi
28:52 split
Half· 13.11 mi
2:04:27
Rank: #22083 (+52)
20K → Half
9:13/mi
6:17 split
25K· 15.53 mi
2:27:05
Rank: #21794 (+289)
Half → 25K
9:20/mi
22:38 split
30K· 18.64 mi
2:58:47
Rank: #21718 (+76)
25K → 30K
10:12/mi
31:42 split
20M
3:12:46
Rank: #21702 (+16)
30K → 20M
10:17/mi
13:59 split
21M
3:23:53
Rank: #21678 (+24)
20M → 21M
11:07/mi
11:07 split
35K· 21.75 mi
3:31:15
Rank: #21648 (+30)
21M → 35K
9:51/mi
7:22 split
23M
3:44:20
Rank: #21614 (+34)
35K → 23M
10:27/mi
13:05 split
24M
3:54:20
Rank: #21574 (+40)
23M → 24M
10:00/mi
10:00 split
40K· 24.85 mi
4:03:08
Rank: #21546 (+28)
24M → 40K
10:18/mi
8:48 split
25.2M
4:06:50
Rank: #21516 (+30)
40K → 25.2M
10:44/mi
3:42 split
Finish· 26.22 mi
4:16:18
Rank: #21433 (+83)
25.2M → Finish
9:17/mi
9:28 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:27
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:11:51
Pace10:03 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1430:459:5430:45
9:54
-
10K
6.21 mi12:24:011:00:329:4529:47
9:35
-0:19
15K
9.32 mi12:52:471:29:189:3528:46
9:16
-0:19
20K
12.43 mi13:21:391:58:109:3128:52
9:17
+0:01
Half
13.11 mi13:27:562:04:279:306:17
9:13
-0:04
25K
15.53 mi13:50:342:27:059:2822:38
9:20
+0:07
30K
18.64 mi14:22:162:58:479:3531:42
10:12
+0:52
20M
20.00 mi14:36:153:12:469:3813:59
10:17
+0:05
21M
21.00 mi14:47:223:23:539:4311:07
11:07
+0:50
35K
21.75 mi14:54:443:31:159:437:22
9:51
-1:16
23M
23.00 mi15:07:493:44:209:4513:05
10:27
+0:36
24M
24.00 mi15:17:493:54:209:4610:00
10:00
-0:27
40K
24.85 mi15:26:374:03:089:478:48
10:18
+0:18
25.2M
25.20 mi15:30:194:06:509:483:42
10:44
+0:26
Finish
26.22 mi15:39:474:16:189:479:28
9:17
-1:27

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

9:13 /mi

Average Pace

9:47 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:48

49% of race

Time at Steady Pace

48:07

19% of race

Time at Slower Pace

1:22:23

32% of race

Average Pace: 9:46 /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 mi11:54:1430:459:5430:45
9:54
#23179
10K
6.21 mi12:24:011:00:329:4529:47
9:35
#23009
15K
9.32 mi12:52:471:29:189:3528:46
9:16
#22532
20K
12.43 mi13:21:391:58:109:3128:52
9:17
#22135
Half
13.11 mi13:27:562:04:279:306:17
9:13
#22083
25K
15.53 mi13:50:342:27:059:2822:38
9:20
#21794
30K
18.64 mi14:22:162:58:479:3531:42
10:12
#21718
20M
20.00 mi14:36:153:12:469:3813:59
10:17
#21702
21M
21.00 mi14:47:223:23:539:4311:07
11:07
#21678
35K
21.75 mi14:54:443:31:159:437:22
9:51
#21648
23M
23.00 mi15:07:493:44:209:4513:05
10:27
#21614
24M
24.00 mi15:17:493:54:209:4610:00
10:00
#21574
40K
24.85 mi15:26:374:03:089:478:48
10:18
#21546
25.2M
25.20 mi15:30:194:06:509:483:42
10:44
#21516
Finish
26.22 mi15:39:474:16:189:479:28
9:17
#21433
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi23179136731367321501(Top 81%)12981(Top 86%)12981(Top 576%)
10K6.21 mi3.10 mi23009+17013619+5413619+5422748(Top 85%)13516(Top 89%)13516(Top 600%)
15K9.32 mi3.11 mi22532+47713402+21713402+21721501(Top 81%)12981(Top 86%)12981(Top 576%)
20K12.43 mi3.11 mi22135+39713210+19213210+19220930(Top 79%)12716(Top 84%)12716(Top 565%)
Half13.11 mi0.68 mi22083+5213186+2413186+2421176(Top 80%)12808(Top 84%)12808(Top 569%)
25K15.53 mi2.42 mi21794+28913066+12013066+12020298(Top 76%)12416(Top 82%)12416(Top 551%)
30K18.64 mi3.11 mi21718+7613020+4613020+4621528(Top 81%)12861(Top 85%)12861(Top 571%)
20M20.00 mi1.36 mi21702+1613003+1713003+1721241(Top 80%)12673(Top 84%)12673(Top 563%)
21M21.00 mi1.00 mi21678+2412982+2112982+2121060(Top 79%)12543(Top 83%)12543(Top 557%)
35K21.75 mi0.75 mi21648+3012956+2612956+2620863(Top 78%)12422(Top 82%)12422(Top 552%)
23M23.00 mi1.25 mi21614+3412927+2912927+2921189(Top 80%)12547(Top 83%)12547(Top 557%)
24M24.00 mi1.00 mi21574+4012897+3012897+3020777(Top 78%)12336(Top 81%)12336(Top 548%)
40K24.85 mi0.85 mi21546+2812870+2712870+2720706(Top 78%)12241(Top 81%)12241(Top 544%)
25.2M25.20 mi0.35 mi21516+3012855+1512855+1519767(Top 74%)11819(Top 78%)11819(Top 525%)
Finish26.22 mi1.02 mi21433+8312807+4812807+4819313(Top 73%)11677(Top 77%)11677(Top 519%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21501

Males

12981

M45-49

12981

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22748

Males

13516

M45-49

13516

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21501

Males

12981

M45-49

12981

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20930

Males

12716

M45-49

12716

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21176

Males

12808

M45-49

12808

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20298

Males

12416

M45-49

12416

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21528

Males

12861

M45-49

12861

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21241

Males

12673

M45-49

12673

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21060

Males

12543

M45-49

12543

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

20863

Males

12422

M45-49

12422

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21189

Males

12547

M45-49

12547

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20777

Males

12336

M45-49

12336

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20706

Males

12241

M45-49

12241

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19767

Males

11819

M45-49

11819

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19313

Males

11677

M45-49

11677

Passing Analysis

Category:
Athletes Passed
2255
Passed By
509
Net Change
+1746
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23179
5K → 10K310140+170#23179#23009
10K → 15K48912+477#23009#22532
15K → 20K41013+397#22532#22135
20K → Half619+52#22135#22083
Half → 25K2945+289#22083#21794
25K → 30K182106+76#21794#21718
30K → 20M6448+16#21718#21702
20M → 21M6440+24#21702#21678
21M → 35K5525+30#21678#21648
35K → 23M7844+34#21648#21614
23M → 24M6121+40#21614#21574
24M → 40K5628+28#21574#21546
40K → 25.2M355+30#21546#21516
25.2M → Finish9613+83#21516#21433
TOTALS2255509+1746
📊

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