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BOSTON MARATHON 2023

William Crown

Bib: 22437•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:51
Rank: #18497
Start → 5K
8:39/mi
26:51 split
10K· 6.21 mi
53:30
Rank: #18578 (-81)
5K → 10K
8:35/mi
26:39 split
15K· 9.32 mi
1:20:51
Rank: #18895 (-317)
10K → 15K
8:48/mi
27:21 split
20K· 12.43 mi
1:48:43
Rank: #19057 (-162)
15K → 20K
8:58/mi
27:52 split
Half· 13.11 mi
1:54:52
Rank: #19127 (-70)
20K → Half
9:01/mi
6:09 split
25K· 15.53 mi
2:17:02
Rank: #19213 (-86)
Half → 25K
9:09/mi
22:10 split
30K· 18.64 mi
2:46:37
Rank: #19301 (-88)
25K → 30K
9:31/mi
29:35 split
20M
2:59:58
Rank: #19357 (-56)
30K → 20M
9:49/mi
13:21 split
21M
3:09:47
Rank: #19213 (+144)
20M → 21M
9:49/mi
9:49 split
35K· 21.75 mi
3:16:38
Rank: #19201 (+12)
21M → 35K
9:09/mi
6:51 split
23M
3:28:36
Rank: #19163 (+38)
35K → 23M
9:33/mi
11:58 split
24M
3:37:56
Rank: #19134 (+29)
23M → 24M
9:20/mi
9:20 split
40K· 24.85 mi
3:46:17
Rank: #19163 (-29)
24M → 40K
9:46/mi
8:21 split
25.2M
3:49:54
Rank: #19160 (+3)
40K → 25.2M
10:29/mi
3:37 split
Finish· 26.22 mi
4:00:02
Rank: #19321 (-161)
25.2M → Finish
9:57/mi
10:08 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:52
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:05:10
Pace9:33 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5326:518:3926:51
8:39
-
10K
6.21 mi11:47:3253:308:3726:39
8:35
-0:04
15K
9.32 mi12:14:531:20:518:4027:21
8:48
+0:13
20K
12.43 mi12:42:451:48:438:4527:52
8:58
+0:10
Half
13.11 mi12:48:541:54:528:466:09
9:01
+0:03
25K
15.53 mi13:11:042:17:028:4922:10
9:09
+0:08
30K
18.64 mi13:40:392:46:378:5629:35
9:31
+0:22
20M
20.00 mi13:54:002:59:589:0013:21
9:49
+0:18
21M
21.00 mi14:03:493:09:479:029:49
9:49
0:00
35K
21.75 mi14:10:403:16:389:026:51
9:09
-0:40
23M
23.00 mi14:22:383:28:369:0411:58
9:33
+0:24
24M
24.00 mi14:31:583:37:569:059:20
9:20
-0:13
40K
24.85 mi14:40:193:46:179:068:21
9:46
+0:26
25.2M
25.20 mi14:43:563:49:549:073:37
10:29
+0:43
Finish
26.22 mi14:54:044:00:029:1010:08
9:57
-0:32

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

8:35 /mi

Average Pace

9:10 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:52

48% of race

Time at Steady Pace

1:19:54

33% of race

Time at Slower Pace

45:16

19% of race

Average Pace: 9:09 /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 mi11:20:5326:518:3926:51
8:39
#18497
10K
6.21 mi11:47:3253:308:3726:39
8:35
#18578
15K
9.32 mi12:14:531:20:518:4027:21
8:48
#18895
20K
12.43 mi12:42:451:48:438:4527:52
8:58
#19057
Half
13.11 mi12:48:541:54:528:466:09
9:01
#19127
25K
15.53 mi13:11:042:17:028:4922:10
9:09
#19213
30K
18.64 mi13:40:392:46:378:5629:35
9:31
#19301
20M
20.00 mi13:54:002:59:589:0013:21
9:49
#19357
21M
21.00 mi14:03:493:09:479:029:49
9:49
#19213
35K
21.75 mi14:10:403:16:389:026:51
9:09
#19201
23M
23.00 mi14:22:383:28:369:0411:58
9:33
#19163
24M
24.00 mi14:31:583:37:569:059:20
9:20
#19134
40K
24.85 mi14:40:193:46:179:068:21
9:46
#19163
25.2M
25.20 mi14:43:563:49:549:073:37
10:29
#19160
Finish
26.22 mi14:54:044:00:029:1010:08
9:57
#19321
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi18497116101161019524(Top 73%)12102(Top 80%)12102(Top 2204%)
10K6.21 mi3.10 mi18578-8111686-7611686-7618709(Top 70%)11785(Top 78%)11785(Top 2147%)
15K9.32 mi3.11 mi18895-31711809-12311809-12319524(Top 73%)12102(Top 80%)12102(Top 2204%)
20K12.43 mi3.11 mi19057-16211887-7811887-7819553(Top 73%)12122(Top 80%)12122(Top 2208%)
Half13.11 mi0.68 mi19127-7011912-2511912-2520468(Top 77%)12493(Top 82%)12493(Top 2276%)
25K15.53 mi2.42 mi19213-8611944-3211944-3219578(Top 74%)12092(Top 80%)12092(Top 2203%)
30K18.64 mi3.11 mi19301-8811964-2011964-2019504(Top 73%)12008(Top 79%)12008(Top 2187%)
20M20.00 mi1.36 mi19357-5611977-1311977-1319917(Top 75%)12085(Top 80%)12085(Top 2201%)
21M21.00 mi1.00 mi19213+14411901+7611901+7617352(Top 65%)10924(Top 72%)10924(Top 1990%)
35K21.75 mi0.75 mi19201+1211892+911892+918554(Top 70%)11396(Top 75%)11396(Top 2076%)
23M23.00 mi1.25 mi19163+3811867+2511867+2518540(Top 70%)11375(Top 75%)11375(Top 2072%)
24M24.00 mi1.00 mi19134+2911843+2411843+2418590(Top 70%)11351(Top 75%)11351(Top 2068%)
40K24.85 mi0.85 mi19163-2911849-611849-619250(Top 72%)11596(Top 76%)11596(Top 2112%)
25.2M25.20 mi0.35 mi19160+311848+111848+119035(Top 72%)11491(Top 76%)11491(Top 2093%)
Finish26.22 mi1.02 mi19321-16111909-6111909-6121594(Top 81%)12663(Top 83%)12663(Top 2307%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

19524

Males

12102

M65-69

12102

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18709

Males

11785

M65-69

11785

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

19524

Males

12102

M65-69

12102

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19553

Males

12122

M65-69

12122

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20468

Males

12493

M65-69

12493

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19578

Males

12092

M65-69

12092

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19504

Males

12008

M65-69

12008

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

19917

Males

12085

M65-69

12085

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17352

Males

10924

M65-69

10924

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18554

Males

11396

M65-69

11396

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

18540

Males

11375

M65-69

11375

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18590

Males

11351

M65-69

11351

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19250

Males

11596

M65-69

11596

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19035

Males

11491

M65-69

11491

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21594

Males

12663

M65-69

12663

Passing Analysis

Category:
Athletes Passed
1245
Passed By
2069
Net Change
-824
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18497
5K → 10K298379-81#18497#18578
10K → 15K83400-317#18578#18895
15K → 20K112274-162#18895#19057
20K → Half1080-70#19057#19127
Half → 25K92178-86#19127#19213
25K → 30K134222-88#19213#19301
30K → 20M65121-56#19301#19357
20M → 21M16117+144#19357#19213
21M → 35K4432+12#19213#19201
35K → 23M9355+38#19201#19163
23M → 24M7243+29#19163#19134
24M → 40K4372-29#19134#19163
40K → 25.2M2522+3#19163#19160
25.2M → Finish13174-161#19160#19321
TOTALS12452069-824
📊

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