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BOSTON MARATHON 2023

Tim Cottrell

Bib: 4813•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:45
Rank: #18280
Start → 5K
26:45 | 8:37/mi
10K· 6.21 mi
53:48
Rank: #18856 (-576)
5K → 10K
27:03 | 8:42/mi
15K· 9.32 mi
1:20:52
Rank: #18908 (-52)
10K → 15K
27:04 | 8:43/mi
20K· 12.43 mi
1:48:20
Rank: #18882 (+26)
15K → 20K
27:28 | 8:50/mi
Half· 13.11 mi
1:54:17
Rank: #18892 (-10)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:15:45
Rank: #18796 (+96)
Half → 25K
21:28 | 8:51/mi
30K· 18.64 mi
2:43:58
Rank: #18555 (+241)
25K → 30K
28:13 | 9:05/mi
20M
2:56:29
Rank: #18465 (+90)
30K → 20M
12:31 | 9:13/mi
21M
3:06:01
Rank: #18323 (+142)
20M → 21M
9:32 | 9:32/mi
35K· 21.75 mi
3:12:34
Rank: #18248 (+75)
21M → 35K
6:33 | 8:45/mi
23M
3:23:51
Rank: #18116 (+132)
35K → 23M
11:17 | 9:01/mi
24M
3:32:47
Rank: #18072 (+44)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:40:38
Rank: #18031 (+41)
24M → 40K
7:51 | 9:11/mi
25.2M
3:44:03
Rank: #18024 (+7)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:53:10
Rank: #18009 (+15)
25.2M → Finish
9:07 | 8:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:17
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time1:58:53
Pace9:04 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0326:458:3726:45
8:37
-
10K
6.21 mi11:45:0653:488:3927:03
8:42
+0:05
15K
9.32 mi12:12:101:20:528:4127:04
8:43
+0:01
20K
12.43 mi12:39:381:48:208:4327:28
8:50
+0:07
Half
13.11 mi12:45:351:54:178:435:57
8:43
-0:07
25K
15.53 mi13:07:032:15:458:4421:28
8:51
+0:08
30K
18.64 mi13:35:162:43:588:4828:13
9:05
+0:14
20M
20.00 mi13:47:472:56:298:4912:31
9:13
+0:08
21M
21.00 mi13:57:193:06:018:519:32
9:32
+0:19
35K
21.75 mi14:03:523:12:348:516:33
8:45
-0:47
23M
23.00 mi14:15:093:23:518:5211:17
9:01
+0:16
24M
24.00 mi14:24:053:32:478:528:56
8:56
-0:05
40K
24.85 mi14:31:563:40:388:537:51
9:11
+0:15
25.2M
25.20 mi14:35:213:44:038:533:25
9:54
+0:43
Finish
26.22 mi14:44:283:53:108:549:07
8:57
-0:57

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

8:37 /mi

Average Pace

8:54 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:40:13

94% of race

Time at Steady Pace

12:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:54 /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 mi11:18:0326:458:3726:45
8:37
#18280
10K
6.21 mi11:45:0653:488:3927:03
8:42
#18856
15K
9.32 mi12:12:101:20:528:4127:04
8:43
#18908
20K
12.43 mi12:39:381:48:208:4327:28
8:50
#18882
Half
13.11 mi12:45:351:54:178:435:57
8:43
#18892
25K
15.53 mi13:07:032:15:458:4421:28
8:51
#18796
30K
18.64 mi13:35:162:43:588:4828:13
9:05
#18555
20M
20.00 mi13:47:472:56:298:4912:31
9:13
#18465
21M
21.00 mi13:57:193:06:018:519:32
9:32
#18323
35K
21.75 mi14:03:523:12:348:516:33
8:45
#18248
23M
23.00 mi14:15:093:23:518:5211:17
9:01
#18116
24M
24.00 mi14:24:053:32:478:528:56
8:56
#18072
40K
24.85 mi14:31:563:40:388:537:51
9:11
#18031
25.2M
25.20 mi14:35:213:44:038:533:25
9:54
#18024
Finish
26.22 mi14:44:283:53:108:549:07
8:57
#18009
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi18280115321153219035(Top 72%)11888(Top 78%)11888(Top 530%)
10K6.21 mi3.10 mi18856-57611788-25611788-25619460(Top 73%)12080(Top 80%)12080(Top 539%)
15K9.32 mi3.11 mi18908-5211813-2511813-2519035(Top 72%)11888(Top 78%)11888(Top 530%)
20K12.43 mi3.11 mi18882+2611811+211811+218877(Top 71%)11840(Top 78%)11840(Top 528%)
Half13.11 mi0.68 mi18892-1011815-411815-419016(Top 71%)11892(Top 78%)11892(Top 531%)
25K15.53 mi2.42 mi18796+9611766+4911766+4918231(Top 68%)11524(Top 76%)11524(Top 514%)
30K18.64 mi3.11 mi18555+24111635+13111635+13117601(Top 66%)11166(Top 74%)11166(Top 498%)
20M20.00 mi1.36 mi18465+9011598+3711598+3717586(Top 66%)11061(Top 73%)11061(Top 494%)
21M21.00 mi1.00 mi18323+14211518+8011518+8016109(Top 61%)10406(Top 69%)10406(Top 464%)
35K21.75 mi0.75 mi18248+7511476+4211476+4216692(Top 63%)10578(Top 70%)10578(Top 472%)
23M23.00 mi1.25 mi18116+13211415+6111415+6116116(Top 61%)10291(Top 68%)10291(Top 459%)
24M24.00 mi1.00 mi18072+4411380+3511380+3516912(Top 64%)10589(Top 70%)10589(Top 473%)
40K24.85 mi0.85 mi18031+4111353+2711353+2717001(Top 64%)10584(Top 70%)10584(Top 472%)
25.2M25.20 mi0.35 mi18024+711346+711346+716979(Top 64%)10556(Top 70%)10556(Top 471%)
Finish26.22 mi1.02 mi18009+1511331+1511331+1517687(Top 66%)10918(Top 72%)10918(Top 487%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

19035

Males

11888

M40-44

11888

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19460

Males

12080

M40-44

12080

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

19035

Males

11888

M40-44

11888

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18877

Males

11840

M40-44

11840

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

19016

Males

11892

M40-44

11892

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18231

Males

11524

M40-44

11524

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17601

Males

11166

M40-44

11166

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17586

Males

11061

M40-44

11061

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16109

Males

10406

M40-44

10406

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16692

Males

10578

M40-44

10578

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16116

Males

10291

M40-44

10291

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

16912

Males

10589

M40-44

10589

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17001

Males

10584

M40-44

10584

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16979

Males

10556

M40-44

10556

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17687

Males

10918

M40-44

10918

Passing Analysis

Category:
Athletes Passed
1717
Passed By
1446
Net Change
+271
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18280
5K → 10K126702-576#18280#18856
10K → 15K158210-52#18856#18908
15K → 20K178152+26#18908#18882
20K → Half2333-10#18882#18892
Half → 25K16266+96#18892#18796
25K → 30K30160+241#18796#18555
30K → 20M13646+90#18555#18465
20M → 21M16321+142#18465#18323
21M → 35K849+75#18323#18248
35K → 23M14917+132#18248#18116
23M → 24M8238+44#18116#18072
24M → 40K6827+41#18072#18031
40K → 25.2M2922+7#18031#18024
25.2M → Finish5843+15#18024#18009
TOTALS17171446+271
📊

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