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BOSTON MARATHON 2023

Nicholas Laughton

Bib: 11442•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
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
7:55/mi
24:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
49:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:20/mi
1:15:36
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:40:57
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:46:24
↑ 19↓ 370.5%
25K· 15.53 mi
8:24/mi
2:06:47
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:34:08
↑ 181↓ 1480.2%
20M
9:05/mi
2:46:29
↑ 64↓ 500.2%
21M
9:45/mi
2:56:14
↑ 106↓ 241.6%
35K· 21.75 mi
9:11/mi
3:03:06
↑ 17↓ 861.7%
23M
9:34/mi
3:15:05
↑ 23↓ 630.6%
24M
9:28/mi
3:24:33
↓ 821.3%
40K· 24.85 mi
9:31/mi
3:32:41
↓ 200.3%
25.2M
10:06/mi
3:36:10
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
3:45:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:24
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:59:08
Pace9:05 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2124:367:5524:36
7:55
-
10K
6.21 mi11:16:2949:448:0025:08
8:05
+0:10
15K
9.32 mi11:42:211:15:368:0725:52
8:20
+0:15
20K
12.43 mi12:07:421:40:578:0725:21
8:10
-0:10
Half
13.11 mi12:13:091:46:248:075:27
7:59
-0:11
25K
15.53 mi12:33:322:06:478:1020:23
8:24
+0:25
30K
18.64 mi13:00:532:34:088:1627:21
8:48
+0:24
20M
20.00 mi13:13:142:46:298:1912:21
9:05
+0:17
21M
21.00 mi13:22:592:56:148:249:45
9:45
+0:40
35K
21.75 mi13:29:513:03:068:256:52
9:11
-0:34
23M
23.00 mi13:41:503:15:058:2911:59
9:34
+0:23
24M
24.00 mi13:51:183:24:338:319:28
9:28
-0:06
40K
24.85 mi13:59:263:32:418:338:08
9:31
+0:03
25.2M
25.20 mi14:02:553:36:108:353:29
10:06
+0:35
Finish
26.22 mi14:12:173:45:328:369:22
9:11
-0:55

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

7:55 /mi

Average Pace

8:36 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:47

56% of race

Time at Steady Pace

55:56

25% of race

Time at Slower Pace

42:49

19% of race

Average Pace: 8:36 /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 mi10:51:2124:367:5524:36
7:55
#13391
10K
6.21 mi11:16:2949:448:0025:08
8:05
#14416
15K
9.32 mi11:42:211:15:368:0725:52
8:20
#15187
20K
12.43 mi12:07:421:40:578:0725:21
8:10
#15035
Half
13.11 mi12:13:091:46:248:075:27
7:59
#14990
25K
15.53 mi12:33:322:06:478:1020:23
8:24
#15076
30K
18.64 mi13:00:532:34:088:1627:21
8:48
#15245
20M
20.00 mi13:13:142:46:298:1912:21
9:05
#15402
21M
21.00 mi13:22:592:56:148:249:45
9:45
#15469
35K
21.75 mi13:29:513:03:068:256:52
9:11
#15618
23M
23.00 mi13:41:503:15:058:2911:59
9:34
#15816
24M
24.00 mi13:51:183:24:338:319:28
9:28
#16021
40K
24.85 mi13:59:263:32:418:338:08
9:31
#16120
25.2M
25.20 mi14:02:553:36:108:353:29
10:06
#16157
Finish
26.22 mi14:12:173:45:328:369:22
9:11
#16285
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi133919711971116686(Top 63%)10942(Top 72%)10942(Top 486%)
10K6.21 mi3.10 mi14416-102510105-39410105-39415434(Top 58%)10491(Top 69%)10491(Top 466%)
15K9.32 mi3.11 mi15187-77110394-28910394-28916686(Top 63%)10942(Top 72%)10942(Top 486%)
20K12.43 mi3.11 mi15035+15210313+8110313+8114664(Top 55%)10148(Top 67%)10148(Top 451%)
Half13.11 mi0.68 mi14990+4510294+1910294+1914254(Top 54%)10026(Top 66%)10026(Top 445%)
25K15.53 mi2.42 mi15076-8610300-610300-615617(Top 59%)10386(Top 68%)10386(Top 461%)
30K18.64 mi3.11 mi15245-16910318-1810318-1816078(Top 60%)10511(Top 69%)10511(Top 467%)
20M20.00 mi1.36 mi15402-15710351-3310351-3316976(Top 64%)10808(Top 71%)10808(Top 480%)
21M21.00 mi1.00 mi15469-6710349+210349+217037(Top 64%)10804(Top 71%)10804(Top 480%)
35K21.75 mi0.75 mi15618-14910389-4010389-4018626(Top 70%)11419(Top 75%)11419(Top 507%)
23M23.00 mi1.25 mi15816-19810448-5910448-5918593(Top 70%)11389(Top 75%)11389(Top 506%)
24M24.00 mi1.00 mi16021-20510522-7410522-7419084(Top 72%)11565(Top 76%)11565(Top 514%)
40K24.85 mi0.85 mi16120-9910558-3610558-3618362(Top 69%)11199(Top 74%)11199(Top 497%)
25.2M25.20 mi0.35 mi16157-3710568-1010568-1017727(Top 67%)10886(Top 72%)10886(Top 483%)
Finish26.22 mi1.02 mi16285-12810610-4210610-4218849(Top 71%)11465(Top 76%)11465(Top 509%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16686

Males

10942

M45-49

10942

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15434

Males

10491

M45-49

10491

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16686

Males

10942

M45-49

10942

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14664

Males

10148

M45-49

10148

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14254

Males

10026

M45-49

10026

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15617

Males

10386

M45-49

10386

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16078

Males

10511

M45-49

10511

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

16976

Males

10808

M45-49

10808

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17037

Males

10804

M45-49

10804

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18626

Males

11419

M45-49

11419

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18593

Males

11389

M45-49

11389

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

19084

Males

11565

M45-49

11565

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18362

Males

11199

M45-49

11199

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17727

Males

10886

M45-49

10886

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18849

Males

11465

M45-49

11465

Passing Analysis

Category:
Athletes Passed
879
Passed By
3773
Net Change
-2894
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13391
5K → 10K431068-1025#13391#14416
10K → 15K28799-771#14416#15187
15K → 20K263111+152#15187#15035
20K → Half5914+45#15035#14990
Half → 25K102188-86#14990#15076
25K → 30K124293-169#15076#15245
30K → 20M40197-157#15245#15402
20M → 21M65132-67#15402#15469
21M → 35K13162-149#15469#15618
35K → 23M35233-198#15618#15816
23M → 24M33238-205#15816#16021
24M → 40K29128-99#16021#16120
40K → 25.2M1653-37#16120#16157
25.2M → Finish29157-128#16157#16285
TOTALS8793773-2894
📊

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