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BOSTON MARATHON 2023

Andrew Merlino

Bib: 19470•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
8:28/mi
26:17
↑ 97↓ 3451.5%
10K· 6.21 mi
8:28/mi
52:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:28/mi
1:18:53
↑ 67↓ 78
20K· 12.43 mi
8:47/mi
1:46:10
↑ 106↓ 860.1%
Half· 13.11 mi
8:30/mi
1:51:58
↑ 19↓ 370.5%
25K· 15.53 mi
8:49/mi
2:13:20
↑ 66↓ 880.2%
30K· 18.64 mi
9:19/mi
2:42:17
↑ 181↓ 1480.2%
20M
9:08/mi
2:54:42
↑ 64↓ 500.2%
21M
9:58/mi
3:04:40
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
3:11:30
↑ 17↓ 861.7%
23M
9:29/mi
3:23:22
↑ 23↓ 630.6%
24M
9:13/mi
3:32:35
↓ 821.3%
40K· 24.85 mi
9:13/mi
3:40:28
↓ 200.3%
25.2M
10:00/mi
3:43:55
↑ 13↓ 160.2%
Finish· 26.22 mi
9:19/mi
3:53:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:58
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:01:27
Pace9:16 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1026:178:2826:17
8:28
-
10K
6.21 mi11:44:2852:358:2826:18
8:28
0:00
15K
9.32 mi12:10:461:18:538:2826:18
8:28
0:00
20K
12.43 mi12:38:031:46:108:3327:17
8:47
+0:19
Half
13.11 mi12:43:511:51:588:325:48
8:30
-0:17
25K
15.53 mi13:05:132:13:208:3521:22
8:49
+0:19
30K
18.64 mi13:34:102:42:178:4228:57
9:19
+0:30
20M
20.00 mi13:46:352:54:428:4412:25
9:08
-0:11
21M
21.00 mi13:56:333:04:408:489:58
9:58
+0:50
35K
21.75 mi14:03:233:11:308:486:50
9:08
-0:50
23M
23.00 mi14:15:153:23:228:5111:52
9:29
+0:21
24M
24.00 mi14:24:283:32:358:519:13
9:13
-0:16
40K
24.85 mi14:32:213:40:288:527:53
9:13
0:00
25.2M
25.20 mi14:35:483:43:558:533:27
10:00
+0:47
Finish
26.22 mi14:45:183:53:258:559:30
9:19
-0:41

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

8:28 /mi

Average Pace

8:55 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:41

73% of race

Time at Steady Pace

1:00:17

26% of race

Time at Slower Pace

3:27

1% 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 mi11:18:1026:178:2826:17
8:28
#17273
10K
6.21 mi11:44:2852:358:2826:18
8:28
#17654
15K
9.32 mi12:10:461:18:538:2826:18
8:28
#17612
20K
12.43 mi12:38:031:46:108:3327:17
8:47
#17852
Half
13.11 mi12:43:511:51:588:325:48
8:30
#17834
25K
15.53 mi13:05:132:13:208:3521:22
8:49
#17843
30K
18.64 mi13:34:102:42:178:4228:57
9:19
#18010
20M
20.00 mi13:46:352:54:428:4412:25
9:08
#17934
21M
21.00 mi13:56:333:04:408:489:58
9:58
#17938
35K
21.75 mi14:03:233:11:308:486:50
9:08
#17977
23M
23.00 mi14:15:153:23:228:5111:52
9:29
#18010
24M
24.00 mi14:24:283:32:358:519:13
9:13
#18018
40K
24.85 mi14:32:213:40:288:527:53
9:13
#18006
25.2M
25.20 mi14:35:483:43:558:533:27
10:00
#17993
Finish
26.22 mi14:45:183:53:258:559:30
9:19
#18068
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi17273111461114617567(Top 66%)11294(Top 74%)11294(Top 794%)
10K6.21 mi3.10 mi17654-38111317-17111317-17118022(Top 68%)11515(Top 76%)11515(Top 810%)
15K9.32 mi3.11 mi17612+4211308+911308+917567(Top 66%)11294(Top 74%)11294(Top 794%)
20K12.43 mi3.11 mi17852-24011397-8911397-8918558(Top 70%)11712(Top 77%)11712(Top 824%)
Half13.11 mi0.68 mi17834+1811392+511392+517692(Top 66%)11380(Top 75%)11380(Top 800%)
25K15.53 mi2.42 mi17843-911383+911383+918013(Top 68%)11434(Top 75%)11434(Top 804%)
30K18.64 mi3.11 mi18010-16711420-3711420-3718698(Top 70%)11647(Top 77%)11647(Top 819%)
20M20.00 mi1.36 mi17934+7611366+5411366+5417245(Top 65%)10923(Top 72%)10923(Top 768%)
21M21.00 mi1.00 mi17938-411361+511361+517906(Top 67%)11186(Top 74%)11186(Top 787%)
35K21.75 mi0.75 mi17977-3911377-1611377-1618446(Top 69%)11347(Top 75%)11347(Top 798%)
23M23.00 mi1.25 mi18010-33113771137718243(Top 69%)11227(Top 74%)11227(Top 790%)
24M24.00 mi1.00 mi18018-811357+2011357+2018104(Top 68%)11127(Top 73%)11127(Top 782%)
40K24.85 mi0.85 mi18006+1211341+1611341+1617166(Top 64%)10653(Top 70%)10653(Top 749%)
25.2M25.20 mi0.35 mi17993+1311331+1011331+1017364(Top 65%)10717(Top 71%)10717(Top 754%)
Finish26.22 mi1.02 mi18068-7511354-2311354-2319448(Top 73%)11723(Top 77%)11723(Top 824%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17567

Males

11294

M55-59

11294

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

18022

Males

11515

M55-59

11515

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17567

Males

11294

M55-59

11294

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18558

Males

11712

M55-59

11712

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17692

Males

11380

M55-59

11380

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18013

Males

11434

M55-59

11434

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18698

Males

11647

M55-59

11647

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17245

Males

10923

M55-59

10923

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17906

Males

11186

M55-59

11186

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18446

Males

11347

M55-59

11347

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18243

Males

11227

M55-59

11227

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

18104

Males

11127

M55-59

11127

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17166

Males

10653

M55-59

10653

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17364

Males

10717

M55-59

10717

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19448

Males

11723

M55-59

11723

Passing Analysis

Category:
Athletes Passed
1248
Passed By
2043
Net Change
-795
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17273
5K → 10K154535-381#17273#17654
10K → 15K213171+42#17654#17612
15K → 20K100340-240#17612#17852
20K → Half3820+18#17852#17834
Half → 25K135144-9#17834#17843
25K → 30K129296-167#17843#18010
30K → 20M12145+76#18010#17934
20M → 21M8488-4#17934#17938
21M → 35K3069-39#17938#17977
35K → 23M74107-33#17977#18010
23M → 24M5058-8#18010#18018
24M → 40K5644+12#18018#18006
40K → 25.2M2815+13#18006#17993
25.2M → Finish36111-75#17993#18068
TOTALS12482043-795
📊

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