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BOSTON MARATHON 2023

Bryan Windsor

Bib: 3653•M

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
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
20:15
Rank: #2377
Start → 5K
20:15 | 6:31/mi
10K· 6.21 mi
40:38
Rank: #2734 (-357)
5K → 10K
20:23 | 6:34/mi
15K· 9.32 mi
1:01:20
Rank: #3055 (-321)
10K → 15K
20:42 | 6:40/mi
20K· 12.43 mi
1:22:44
Rank: #3513 (-458)
15K → 20K
21:24 | 6:53/mi
Half· 13.11 mi
1:27:25
Rank: #3609 (-96)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:44:23
Rank: #3964 (-355)
Half → 25K
16:58 | 7:00/mi
30K· 18.64 mi
2:06:54
Rank: #4369 (-405)
25K → 30K
22:31 | 7:15/mi
20M
2:16:46
Rank: #4493 (-124)
30K → 20M
9:52 | 7:16/mi
21M
2:24:27
Rank: #4565 (-72)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:29:39
Rank: #4587 (-22)
21M → 35K
5:12 | 6:57/mi
23M
2:38:48
Rank: #4622 (-35)
35K → 23M
9:09 | 7:18/mi
24M
2:45:41
Rank: #4577 (+45)
23M → 24M
6:53 | 6:53/mi
40K· 24.85 mi
2:51:37
Rank: #4506 (+71)
24M → 40K
5:56 | 6:56/mi
25.2M
2:54:15
Rank: #4501 (+5)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:01:42
Rank: #4557 (-56)
25.2M → Finish
7:27 | 7:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:25
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:34:17
Pace7:12 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1820:156:3120:15
6:31
-
10K
6.21 mi10:41:4140:386:3220:23
6:34
+0:03
15K
9.32 mi11:02:231:01:206:3520:42
6:40
+0:06
20K
12.43 mi11:23:471:22:446:3921:24
6:53
+0:13
Half
13.11 mi11:28:281:27:256:404:41
6:52
-0:01
25K
15.53 mi11:45:261:44:236:4316:58
7:00
+0:08
30K
18.64 mi12:07:572:06:546:4822:31
7:15
+0:15
20M
20.00 mi12:17:492:16:466:509:52
7:16
+0:01
21M
21.00 mi12:25:302:24:276:537:41
7:41
+0:25
35K
21.75 mi12:30:422:29:396:535:12
6:57
-0:44
23M
23.00 mi12:39:512:38:486:549:09
7:18
+0:21
24M
24.00 mi12:46:442:45:416:546:53
6:53
-0:25
40K
24.85 mi12:52:402:51:376:545:56
6:56
+0:03
25.2M
25.20 mi12:55:182:54:156:552:38
7:38
+0:42
Finish
26.22 mi13:02:453:01:426:567:27
7:19
-0:19

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

6:31 /mi

Average Pace

6:56 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:24

67% of race

Time at Steady Pace

59:18

33% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:56 /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 mi10:21:1820:156:3120:15
6:31
#2377
10K
6.21 mi10:41:4140:386:3220:23
6:34
#2734
15K
9.32 mi11:02:231:01:206:3520:42
6:40
#3055
20K
12.43 mi11:23:471:22:446:3921:24
6:53
#3513
Half
13.11 mi11:28:281:27:256:404:41
6:52
#3609
25K
15.53 mi11:45:261:44:236:4316:58
7:00
#3964
30K
18.64 mi12:07:572:06:546:4822:31
7:15
#4369
20M
20.00 mi12:17:492:16:466:509:52
7:16
#4493
21M
21.00 mi12:25:302:24:276:537:41
7:41
#4565
35K
21.75 mi12:30:422:29:396:535:12
6:57
#4587
23M
23.00 mi12:39:512:38:486:549:09
7:18
#4622
24M
24.00 mi12:46:442:45:416:546:53
6:53
#4577
40K
24.85 mi12:52:402:51:376:545:56
6:56
#4506
25.2M
25.20 mi12:55:182:54:156:552:38
7:38
#4501
Finish
26.22 mi13:02:453:01:426:567:27
7:19
#4557
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2377226722673789(Top 14%)3568(Top 24%)3568(Top 68%)
10K6.21 mi3.10 mi2734-3572609-3422609-3423210(Top 12%)3059(Top 20%)3059(Top 58%)
15K9.32 mi3.11 mi3055-3212912-3032912-3033789(Top 14%)3568(Top 24%)3568(Top 68%)
20K12.43 mi3.11 mi3513-4583330-4183330-4185233(Top 20%)4834(Top 32%)4834(Top 91%)
Half13.11 mi0.68 mi3609-963417-873417-875705(Top 21%)5237(Top 35%)5237(Top 99%)
25K15.53 mi2.42 mi3964-3553732-3153732-3155547(Top 21%)5102(Top 34%)5102(Top 97%)
30K18.64 mi3.11 mi4369-4054086-3544086-3545739(Top 22%)5171(Top 34%)5171(Top 98%)
20M20.00 mi1.36 mi4493-1244190-1044190-1045408(Top 20%)4847(Top 32%)4847(Top 92%)
21M21.00 mi1.00 mi4565-724257-674257-675501(Top 21%)4827(Top 32%)4827(Top 91%)
35K21.75 mi0.75 mi4587-224271-144271-145038(Top 19%)4513(Top 30%)4513(Top 85%)
23M23.00 mi1.25 mi4622-354299-284299-285333(Top 20%)4708(Top 31%)4708(Top 89%)
24M24.00 mi1.00 mi4577+454262+374262+374096(Top 15%)3727(Top 25%)3727(Top 71%)
40K24.85 mi0.85 mi4506+714198+644198+643550(Top 13%)3229(Top 21%)3229(Top 61%)
25.2M25.20 mi0.35 mi4501+54194+44194+44520(Top 17%)3933(Top 26%)3933(Top 74%)
Finish26.22 mi1.02 mi4557-564232-384232-387164(Top 27%)5655(Top 37%)5655(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3789

Males

3568

M18-39

3568

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3210

Males

3059

M18-39

3059

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3789

Males

3568

M18-39

3568

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5233

Males

4834

M18-39

4834

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5705

Males

5237

M18-39

5237

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5547

Males

5102

M18-39

5102

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5739

Males

5171

M18-39

5171

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5408

Males

4847

M18-39

4847

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5501

Males

4827

M18-39

4827

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5038

Males

4513

M18-39

4513

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5333

Males

4708

M18-39

4708

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4096

Males

3727

M18-39

3727

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3550

Males

3229

M18-39

3229

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4520

Males

3933

M18-39

3933

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7164

Males

5655

M18-39

5655

Passing Analysis

Category:
Athletes Passed
489
Passed By
2669
Net Change
-2180
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2377
5K → 10K33390-357#2377#2734
10K → 15K19340-321#2734#3055
15K → 20K12470-458#3055#3513
20K → Half399-96#3513#3609
Half → 25K17372-355#3609#3964
25K → 30K37442-405#3964#4369
30K → 20M34158-124#4369#4493
20M → 21M41113-72#4493#4565
21M → 35K3456-22#4565#4587
35K → 23M5893-35#4587#4622
23M → 24M6924+45#4622#4577
24M → 40K8110+71#4577#4506
40K → 25.2M2116+5#4506#4501
25.2M → Finish3086-56#4501#4557
TOTALS4892669-2180
📊

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