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BOSTON MARATHON 2023

Stuart Mckay

Bib: 13492•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 40%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 44%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:48/mi
24:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
47:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:10:40
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:34:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:39:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:52/mi
1:58:25
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:23:44
↑ 181↓ 1480.2%
20M
8:14/mi
2:34:55
↑ 64↓ 500.2%
21M
8:59/mi
2:43:54
↑ 106↓ 241.6%
35K· 21.75 mi
7:48/mi
2:49:44
↑ 17↓ 861.7%
23M
8:02/mi
2:59:48
↑ 23↓ 630.6%
24M
7:40/mi
3:07:28
↓ 821.3%
40K· 24.85 mi
7:54/mi
3:14:13
↓ 200.3%
25.2M
8:19/mi
3:17:05
↑ 13↓ 160.2%
Finish· 26.22 mi
7:21/mi
3:24:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:20
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:45:14
Pace8:02 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2324:147:4824:14
7:48
-
10K
6.21 mi11:15:4147:327:3923:18
7:30
-0:18
15K
9.32 mi11:38:491:10:407:3523:08
7:27
-0:03
20K
12.43 mi12:02:251:34:167:3523:36
7:36
+0:09
Half
13.11 mi12:07:291:39:207:355:04
7:26
-0:10
25K
15.53 mi12:26:341:58:257:3719:05
7:52
+0:26
30K
18.64 mi12:51:532:23:447:4325:19
8:09
+0:17
20M
20.00 mi13:03:042:34:557:4511:11
8:14
+0:05
21M
21.00 mi13:12:032:43:547:488:59
8:59
+0:45
35K
21.75 mi13:17:532:49:447:485:50
7:48
-1:11
23M
23.00 mi13:27:572:59:487:4910:04
8:02
+0:14
24M
24.00 mi13:35:373:07:287:497:40
7:40
-0:22
40K
24.85 mi13:42:223:14:137:496:45
7:54
+0:14
25.2M
25.20 mi13:45:143:17:057:492:52
8:19
+0:25
Finish
26.22 mi13:52:433:24:347:487:29
7:21
-0:58

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

7:21 /mi

Average Pace

7:48 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:59

29% of race

Time at Steady Pace

1:27:10

43% of race

Time at Slower Pace

58:25

29% of race

Average Pace: 7:48 /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 mi10:52:2324:147:4824:14
7:48
#12322
10K
6.21 mi11:15:4147:327:3923:18
7:30
#11342
15K
9.32 mi11:38:491:10:407:3523:08
7:27
#10778
20K
12.43 mi12:02:251:34:167:3523:36
7:36
#10572
Half
13.11 mi12:07:291:39:207:355:04
7:26
#10510
25K
15.53 mi12:26:341:58:257:3719:05
7:52
#10676
30K
18.64 mi12:51:532:23:447:4325:19
8:09
#10858
20M
20.00 mi13:03:042:34:557:4511:11
8:14
#10898
21M
21.00 mi13:12:032:43:547:488:59
8:59
#11043
35K
21.75 mi13:17:532:49:447:485:50
7:48
#11015
23M
23.00 mi13:27:572:59:487:4910:04
8:02
#10927
24M
24.00 mi13:35:373:07:287:497:40
7:40
#10825
40K
24.85 mi13:42:223:14:137:496:45
7:54
#10738
25.2M
25.20 mi13:45:143:17:057:492:52
8:19
#10693
Finish
26.22 mi13:52:433:24:347:487:29
7:21
#10529
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi12322925092509730(Top 37%)8000(Top 53%)8000(Top 355%)
10K6.21 mi3.10 mi11342+9808813+4378813+43710433(Top 39%)8401(Top 55%)8401(Top 373%)
15K9.32 mi3.11 mi10778+5648543+2708543+2709730(Top 37%)8000(Top 53%)8000(Top 355%)
20K12.43 mi3.11 mi10572+2068447+968447+9610059(Top 38%)8105(Top 53%)8105(Top 360%)
Half13.11 mi0.68 mi10510+628421+268421+269604(Top 36%)7885(Top 52%)7885(Top 350%)
25K15.53 mi2.42 mi10676-1668471-508471-5011676(Top 44%)8777(Top 58%)8777(Top 390%)
30K18.64 mi3.11 mi10858-1828513-428513-4211971(Top 45%)8782(Top 58%)8782(Top 390%)
20M20.00 mi1.36 mi10898-408502+118502+1111861(Top 45%)8646(Top 57%)8646(Top 384%)
21M21.00 mi1.00 mi11043-1458543-418543-4113277(Top 50%)9158(Top 60%)9158(Top 407%)
35K21.75 mi0.75 mi11015+288519+248519+2410603(Top 40%)7918(Top 52%)7918(Top 352%)
23M23.00 mi1.25 mi10927+888446+738446+7310027(Top 38%)7496(Top 49%)7496(Top 333%)
24M24.00 mi1.00 mi10825+1028370+768370+768850(Top 33%)6819(Top 45%)6819(Top 303%)
40K24.85 mi0.85 mi10738+878305+658305+659291(Top 35%)6977(Top 46%)6977(Top 310%)
25.2M25.20 mi0.35 mi10693+458265+408265+408373(Top 31%)6405(Top 42%)6405(Top 284%)
Finish26.22 mi1.02 mi10529+1648150+1158150+1157405(Top 28%)5815(Top 38%)5815(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9730

Males

8000

M45-49

8000

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10433

Males

8401

M45-49

8401

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9730

Males

8000

M45-49

8000

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10059

Males

8105

M45-49

8105

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9604

Males

7885

M45-49

7885

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11676

Males

8777

M45-49

8777

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11971

Males

8782

M45-49

8782

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11861

Males

8646

M45-49

8646

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13277

Males

9158

M45-49

9158

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10603

Males

7918

M45-49

7918

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10027

Males

7496

M45-49

7496

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8850

Males

6819

M45-49

6819

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9291

Males

6977

M45-49

6977

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8373

Males

6405

M45-49

6405

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7405

Males

5815

M45-49

5815

Passing Analysis

Category:
Athletes Passed
2938*
Passed By
1145
Net Change
+1793
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12322
5K → 10K103555+980#12322#11342
10K → 15K58925+564#11342#10778
15K → 20K27569+206#10778#10572
20K → Half708+62#10572#10510
Half → 25K74240-166#10510#10676
25K → 30K133315-182#10676#10858
30K → 20M69*109-40#10858#10898
20M → 21M34179-145#10898#11043
21M → 35K5931+28#11043#11015
35K → 23M13345+88#11015#10927
23M → 24M12624+102#10927#10825
24M → 40K11427+87#10825#10738
40K → 25.2M5611+45#10738#10693
25.2M → Finish1717+164#10693#10529
TOTALS2938*1145+1793

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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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