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BOSTON MARATHON 2023

Derek Mckay

Bib: 4145•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 33%
Masters (Masters Men)
#0 / 9891
Top 19%
Division (M45-49)
#0 / 2252
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:57
Rank: #4073
Start → 5K
20:57 | 6:45/mi
10K· 6.21 mi
42:00
Rank: #4597 (-524)
5K → 10K
21:03 | 6:47/mi
15K· 9.32 mi
1:02:56
Rank: #4534 (+63)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:24:01
Rank: #4459 (+75)
15K → 20K
21:05 | 6:47/mi
Half· 13.11 mi
1:28:36
Rank: #4453 (+6)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:10
Rank: #4406 (+47)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:07:08
Rank: #4488 (-82)
25K → 30K
21:58 | 7:04/mi
20M
2:17:05
Rank: #4627 (-139)
30K → 20M
9:57 | 7:19/mi
21M
2:25:11
Rank: #4834 (-207)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:30:42
Rank: #4939 (-105)
21M → 35K
5:31 | 7:22/mi
23M
2:40:33
Rank: #5110 (-171)
35K → 23M
9:51 | 7:52/mi
24M
2:48:18
Rank: #5220 (-110)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
2:55:08
Rank: #5313 (-93)
24M → 40K
6:50 | 8:00/mi
25.2M
2:58:08
Rank: #5372 (-59)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:06:10
Rank: #5519 (-147)
25.2M → Finish
8:02 | 7:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:36
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:37:34
Pace7:27 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4820:576:4520:57
6:45
-
10K
6.21 mi10:43:5142:006:4621:03
6:47
+0:02
15K
9.32 mi11:04:471:02:566:4520:56
6:44
-0:03
20K
12.43 mi11:25:521:24:016:4621:05
6:47
+0:03
Half
13.11 mi11:30:271:28:366:464:35
6:43
-0:04
25K
15.53 mi11:47:011:45:106:4616:34
6:50
+0:07
30K
18.64 mi12:08:592:07:086:4921:58
7:04
+0:14
20M
20.00 mi12:18:562:17:056:519:57
7:19
+0:15
21M
21.00 mi12:27:022:25:116:558:06
8:06
+0:47
35K
21.75 mi12:32:332:30:426:565:31
7:22
-0:44
23M
23.00 mi12:42:242:40:336:599:51
7:52
+0:30
24M
24.00 mi12:50:092:48:187:017:45
7:45
-0:07
40K
24.85 mi12:56:592:55:087:036:50
8:00
+0:15
25.2M
25.20 mi12:59:592:58:087:043:00
8:42
+0:42
Finish
26.22 mi13:08:013:06:107:068:02
7:53
-0:49

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

6:43 /mi

Average Pace

7:06 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:10

56% of race

Time at Steady Pace

37:26

20% of race

Time at Slower Pace

43:34

23% of race

Average Pace: 7:06 /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 mi10:22:4820:576:4520:57
6:45
#4073
10K
6.21 mi10:43:5142:006:4621:03
6:47
#4597
15K
9.32 mi11:04:471:02:566:4520:56
6:44
#4534
20K
12.43 mi11:25:521:24:016:4621:05
6:47
#4459
Half
13.11 mi11:30:271:28:366:464:35
6:43
#4453
25K
15.53 mi11:47:011:45:106:4616:34
6:50
#4406
30K
18.64 mi12:08:592:07:086:4921:58
7:04
#4488
20M
20.00 mi12:18:562:17:056:519:57
7:19
#4627
21M
21.00 mi12:27:022:25:116:558:06
8:06
#4834
35K
21.75 mi12:32:332:30:426:565:31
7:22
#4939
23M
23.00 mi12:42:242:40:336:599:51
7:52
#5110
24M
24.00 mi12:50:092:48:187:017:45
7:45
#5220
40K
24.85 mi12:56:592:55:087:036:50
8:00
#5313
25.2M
25.20 mi12:59:592:58:087:043:00
8:42
#5372
Finish
26.22 mi13:08:013:06:107:068:02
7:53
#5519
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4073382038204503(Top 17%)4207(Top 28%)4207(Top 187%)
10K6.21 mi3.10 mi4597-5244293-4734293-4735065(Top 19%)4688(Top 31%)4688(Top 208%)
15K9.32 mi3.11 mi4534+634236+574236+574503(Top 17%)4207(Top 28%)4207(Top 187%)
20K12.43 mi3.11 mi4459+754170+664170+664323(Top 16%)4040(Top 27%)4040(Top 179%)
Half13.11 mi0.68 mi4453+64167+34167+34584(Top 17%)4276(Top 28%)4276(Top 190%)
25K15.53 mi2.42 mi4406+474121+464121+464460(Top 17%)4158(Top 27%)4158(Top 185%)
30K18.64 mi3.11 mi4488-824195-744195-744782(Top 18%)4411(Top 29%)4411(Top 196%)
20M20.00 mi1.36 mi4627-1394314-1194314-1195746(Top 22%)5106(Top 34%)5106(Top 227%)
21M21.00 mi1.00 mi4834-2074490-1764490-1767965(Top 30%)6442(Top 42%)6442(Top 286%)
35K21.75 mi0.75 mi4939-1054576-864576-867568(Top 28%)6210(Top 41%)6210(Top 276%)
23M23.00 mi1.25 mi5110-1714699-1234699-1238813(Top 33%)6856(Top 45%)6856(Top 304%)
24M24.00 mi1.00 mi5220-1104789-904789-909372(Top 35%)7070(Top 47%)7070(Top 314%)
40K24.85 mi0.85 mi5313-934861-724861-729948(Top 37%)7299(Top 48%)7299(Top 324%)
25.2M25.20 mi0.35 mi5372-594903-424903-4210626(Top 40%)7583(Top 50%)7583(Top 337%)
Finish26.22 mi1.02 mi5519-1475015-1125015-11211236(Top 42%)7893(Top 52%)7893(Top 350%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4503

Males

4207

M45-49

4207

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5065

Males

4688

M45-49

4688

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4503

Males

4207

M45-49

4207

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4323

Males

4040

M45-49

4040

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4584

Males

4276

M45-49

4276

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4460

Males

4158

M45-49

4158

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4782

Males

4411

M45-49

4411

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5746

Males

5106

M45-49

5106

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

7965

Males

6442

M45-49

6442

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7568

Males

6210

M45-49

6210

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8813

Males

6856

M45-49

6856

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9372

Males

7070

M45-49

7070

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9948

Males

7299

M45-49

7299

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10626

Males

7583

M45-49

7583

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11236

Males

7893

M45-49

7893

Passing Analysis

Category:
Athletes Passed
761
Passed By
2207
Net Change
-1446
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4073
5K → 10K63587-524#4073#4597
10K → 15K15794+63#4597#4534
15K → 20K14267+75#4534#4459
20K → Half3024+6#4459#4453
Half → 25K11164+47#4453#4406
25K → 30K91173-82#4406#4488
30K → 20M32171-139#4488#4627
20M → 21M13220-207#4627#4834
21M → 35K20125-105#4834#4939
35K → 23M32203-171#4939#5110
23M → 24M20130-110#5110#5220
24M → 40K25118-93#5220#5313
40K → 25.2M766-59#5313#5372
25.2M → Finish18165-147#5372#5519
TOTALS7612207-1446
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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