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BOSTON MARATHON 2023

Tim Cornish

Bib: 6016•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 34%
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
18:44
Rank: #743
Start → 5K
18:44 | 6:02/mi
10K· 6.21 mi
37:22
Rank: #767 (-24)
5K → 10K
18:38 | 6:00/mi
15K· 9.32 mi
56:09
Rank: #769 (-2)
10K → 15K
18:47 | 6:03/mi
20K· 12.43 mi
1:15:14
Rank: #784 (-15)
15K → 20K
19:05 | 6:09/mi
Half· 13.11 mi
1:19:24
Rank: #798 (-14)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:34:36
Rank: #835 (-37)
Half → 25K
15:12 | 6:16/mi
30K· 18.64 mi
2:04:11
Rank: #3133 (-2298)
25K → 30K
29:35 | 9:31/mi
20M
2:14:17
Rank: #3410 (-277)
30K → 20M
10:06 | 7:26/mi
21M
2:22:38
Rank: #3790 (-380)
20M → 21M
8:21 | 8:21/mi
35K· 21.75 mi
2:29:56
Rank: #4680 (-890)
21M → 35K
7:18 | 9:45/mi
23M
2:41:18
Rank: #5303 (-623)
35K → 23M
11:22 | 9:05/mi
24M
2:49:10
Rank: #5441 (-138)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
2:56:04
Rank: #5556 (-115)
24M → 40K
6:54 | 8:04/mi
25.2M
2:58:58
Rank: #5572 (-16)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:06:55
Rank: #5675 (-103)
25.2M → Finish
7:57 | 7:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:24
Pace6:03 /mi
2nd Half
Distance13.11 mi
Time1:47:31
Pace8:12 /mi
📊Positive Split: 35.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1718:446:0218:44
6:02
-
10K
6.21 mi10:39:5537:226:0118:38
6:00
-0:02
15K
9.32 mi10:58:4256:096:0118:47
6:03
+0:03
20K
12.43 mi11:17:471:15:146:0319:05
6:09
+0:06
Half
13.11 mi11:21:571:19:246:034:10
6:06
-0:03
25K
15.53 mi11:37:091:34:366:0515:12
6:16
+0:10
30K
18.64 mi12:06:442:04:116:4029:35
9:31
+3:15
20M
20.00 mi12:16:502:14:176:4310:06
7:26
-2:05
21M
21.00 mi12:25:112:22:386:488:21
8:21
+0:55
35K
21.75 mi12:32:292:29:566:547:18
9:45
+1:24
23M
23.00 mi12:43:512:41:187:0111:22
9:05
-0:40
24M
24.00 mi12:51:432:49:107:037:52
7:52
-1:13
40K
24.85 mi12:58:372:56:047:056:54
8:04
+0:12
25.2M
25.20 mi13:01:312:58:587:062:54
8:25
+0:21
Finish
26.22 mi13:09:283:06:557:087:57
7:48
-0:37

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

6:00 /mi

Average Pace

7:08 /mi

Slowest Pace

9:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:36

51% of race

Time at Steady Pace

44:04

24% of race

Time at Slower Pace

48:15

26% of race

Average Pace: 7:08 /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 mi10:21:1718:446:0218:44
6:02
#743
10K
6.21 mi10:39:5537:226:0118:38
6:00
#767
15K
9.32 mi10:58:4256:096:0118:47
6:03
#769
20K
12.43 mi11:17:471:15:146:0319:05
6:09
#784
Half
13.11 mi11:21:571:19:246:034:10
6:06
#798
25K
15.53 mi11:37:091:34:366:0515:12
6:16
#835
30K
18.64 mi12:06:442:04:116:4029:35
9:31
#3133
20M
20.00 mi12:16:502:14:176:4310:06
7:26
#3410
21M
21.00 mi12:25:112:22:386:488:21
8:21
#3790
35K
21.75 mi12:32:292:29:566:547:18
9:45
#4680
23M
23.00 mi12:43:512:41:187:0111:22
9:05
#5303
24M
24.00 mi12:51:432:49:107:037:52
7:52
#5441
40K
24.85 mi12:58:372:56:047:056:54
8:04
#5556
25.2M
25.20 mi13:01:312:58:587:062:54
8:25
#5572
Finish
26.22 mi13:09:283:06:557:087:57
7:48
#5675
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi743695695822(Top 3%)776(Top 5%)776(Top 15%)
10K6.21 mi3.10 mi767-24723-28723-28795(Top 3%)750(Top 5%)750(Top 14%)
15K9.32 mi3.11 mi769-2725-2725-2822(Top 3%)776(Top 5%)776(Top 15%)
20K12.43 mi3.11 mi784-15739-14739-14895(Top 3%)850(Top 6%)850(Top 16%)
Half13.11 mi0.68 mi798-14753-14753-141079(Top 4%)1031(Top 7%)1031(Top 20%)
25K15.53 mi2.42 mi835-37789-36789-361225(Top 5%)1171(Top 8%)1171(Top 22%)
30K18.64 mi3.11 mi3133-22982984-21952984-219519500(Top 73%)12004(Top 79%)12004(Top 227%)
20M20.00 mi1.36 mi3410-2773230-2463230-2466336(Top 24%)5530(Top 36%)5530(Top 105%)
21M21.00 mi1.00 mi3790-3803569-3393569-3399482(Top 36%)7320(Top 48%)7320(Top 139%)
35K21.75 mi0.75 mi4680-8904357-7884357-78820605(Top 77%)12299(Top 81%)12299(Top 233%)
23M23.00 mi1.25 mi5303-6234871-5144871-51416413(Top 62%)10409(Top 69%)10409(Top 197%)
24M24.00 mi1.00 mi5441-1384978-1074978-10710231(Top 38%)7504(Top 49%)7504(Top 142%)
40K24.85 mi0.85 mi5556-1155060-825060-8210439(Top 39%)7551(Top 50%)7551(Top 143%)
25.2M25.20 mi0.35 mi5572-165067-75067-78853(Top 33%)6626(Top 44%)6626(Top 125%)
Finish26.22 mi1.02 mi5675-1035130-635130-6310640(Top 40%)7605(Top 50%)7605(Top 144%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

822

Males

776

M18-39

776

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

795

Males

750

M18-39

750

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

822

Males

776

M18-39

776

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

895

Males

850

M18-39

850

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1079

Males

1031

M18-39

1031

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1225

Males

1171

M18-39

1171

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19500

Males

12004

M18-39

12004

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6336

Males

5530

M18-39

5530

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9482

Males

7320

M18-39

7320

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

20605

Males

12299

M18-39

12299

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

16413

Males

10409

M18-39

10409

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10231

Males

7504

M18-39

7504

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10439

Males

7551

M18-39

7551

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8853

Males

6626

M18-39

6626

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10640

Males

7605

M18-39

7605

Passing Analysis

Category:
Athletes Passed
188
Passed By
5120
Net Change
-4932
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#743
5K → 10K2751-24#743#767
10K → 15K1517-2#767#769
15K → 20K2035-15#769#784
20K → Half014-14#784#798
Half → 25K2158-37#798#835
25K → 30K02298-2298#835#3133
30K → 20M12289-277#3133#3410
20M → 21M7387-380#3410#3790
21M → 35K0890-890#3790#4680
35K → 23M4627-623#4680#5303
23M → 24M19157-138#5303#5441
24M → 40K18133-115#5441#5556
40K → 25.2M1329-16#5556#5572
25.2M → Finish32135-103#5572#5675
TOTALS1885120-4932
📊

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