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BOSTON MARATHON 2023

Chris Merrill

Bib: 29265•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 49%
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:26
Rank: #15353
Start → 5K
25:26 | 8:11/mi
10K· 6.21 mi
49:20
Rank: #13893 (+1460)
5K → 10K
23:54 | 7:42/mi
15K· 9.32 mi
1:13:15
Rank: #13210 (+683)
10K → 15K
23:55 | 7:42/mi
20K· 12.43 mi
1:37:21
Rank: #12696 (+514)
15K → 20K
24:06 | 7:45/mi
Half· 13.11 mi
1:42:35
Rank: #12622 (+74)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:02:08
Rank: #12698 (-76)
Half → 25K
19:33 | 8:04/mi
30K· 18.64 mi
2:27:20
Rank: #12487 (+211)
25K → 30K
25:12 | 8:07/mi
20M
2:38:18
Rank: #12338 (+149)
30K → 20M
10:58 | 8:04/mi
21M
2:46:52
Rank: #12230 (+108)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:52:46
Rank: #12180 (+50)
21M → 35K
5:54 | 7:53/mi
23M
3:02:48
Rank: #12033 (+147)
35K → 23M
10:02 | 8:01/mi
24M
3:10:33
Rank: #11911 (+122)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
3:17:30
Rank: #11850 (+61)
24M → 40K
6:57 | 8:08/mi
25.2M
3:20:36
Rank: #11863 (-13)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:28:40
Rank: #11843 (+20)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:35
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:46:05
Pace8:06 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5425:268:1125:26
8:11
-
10K
6.21 mi12:08:4849:207:5623:54
7:42
-0:29
15K
9.32 mi12:32:431:13:157:5223:55
7:42
0:00
20K
12.43 mi12:56:491:37:217:5024:06
7:45
+0:03
Half
13.11 mi13:02:031:42:357:505:14
7:40
-0:05
25K
15.53 mi13:21:362:02:087:5219:33
8:04
+0:24
30K
18.64 mi13:46:482:27:207:5425:12
8:07
+0:03
20M
20.00 mi13:57:462:38:187:5510:58
8:04
-0:03
21M
21.00 mi14:06:202:46:527:578:34
8:34
+0:30
35K
21.75 mi14:12:142:52:467:575:54
7:53
-0:41
23M
23.00 mi14:22:163:02:487:5710:02
8:01
+0:08
24M
24.00 mi14:30:013:10:337:567:45
7:45
-0:16
40K
24.85 mi14:36:583:17:307:576:57
8:08
+0:23
25.2M
25.20 mi14:40:043:20:367:583:06
8:59
+0:51
Finish
26.22 mi14:48:083:28:407:588:04
7:55
-1:04

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

7:40 /mi

Average Pace

7:58 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:00

94% of race

Time at Steady Pace

11:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:44:5425:268:1125:26
8:11
#15353
10K
6.21 mi12:08:4849:207:5623:54
7:42
#13893
15K
9.32 mi12:32:431:13:157:5223:55
7:42
#13210
20K
12.43 mi12:56:491:37:217:5024:06
7:45
#12696
Half
13.11 mi13:02:031:42:357:505:14
7:40
#12622
25K
15.53 mi13:21:362:02:087:5219:33
8:04
#12698
30K
18.64 mi13:46:482:27:207:5425:12
8:07
#12487
20M
20.00 mi13:57:462:38:187:5510:58
8:04
#12338
21M
21.00 mi14:06:202:46:527:578:34
8:34
#12230
35K
21.75 mi14:12:142:52:467:575:54
7:53
#12180
23M
23.00 mi14:22:163:02:487:5710:02
8:01
#12033
24M
24.00 mi14:30:013:10:337:567:45
7:45
#11911
40K
24.85 mi14:36:583:17:307:576:57
8:08
#11850
25.2M
25.20 mi14:40:043:20:367:583:06
8:59
#11863
Finish
26.22 mi14:48:083:28:407:588:04
7:55
#11843
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi15353104621046211819(Top 44%)8999(Top 59%)8999(Top 439%)
10K6.21 mi3.10 mi13893+14609893+5699893+56912153(Top 46%)9178(Top 60%)9178(Top 447%)
15K9.32 mi3.11 mi13210+6839609+2849609+28411819(Top 44%)8999(Top 59%)8999(Top 439%)
20K12.43 mi3.11 mi12696+5149374+2359374+23511360(Top 43%)8738(Top 58%)8738(Top 426%)
Half13.11 mi0.68 mi12622+749331+439331+4311582(Top 44%)8895(Top 59%)8895(Top 433%)
25K15.53 mi2.42 mi12698-769349-189349-1813231(Top 50%)9448(Top 62%)9448(Top 460%)
30K18.64 mi3.11 mi12487+2119222+1279222+12711715(Top 44%)8676(Top 57%)8676(Top 423%)
20M20.00 mi1.36 mi12338+1499140+829140+8210792(Top 41%)8152(Top 54%)8152(Top 397%)
21M21.00 mi1.00 mi12230+1089071+699071+6910861(Top 41%)8058(Top 53%)8058(Top 393%)
35K21.75 mi0.75 mi12180+509031+409031+4011275(Top 42%)8257(Top 54%)8257(Top 402%)
23M23.00 mi1.25 mi12033+1478941+908941+909832(Top 37%)7400(Top 49%)7400(Top 361%)
24M24.00 mi1.00 mi11911+1228869+728869+729423(Top 35%)7121(Top 47%)7121(Top 347%)
40K24.85 mi0.85 mi11850+618826+438826+4310870(Top 41%)7777(Top 51%)7777(Top 379%)
25.2M25.20 mi0.35 mi11863-138822+48822+412391(Top 47%)8454(Top 56%)8454(Top 412%)
Finish26.22 mi1.02 mi11843+208792+308792+3011496(Top 43%)8044(Top 53%)8044(Top 392%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11819

Males

8999

M50-54

8999

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

12153

Males

9178

M50-54

9178

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11819

Males

8999

M50-54

8999

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11360

Males

8738

M50-54

8738

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11582

Males

8895

M50-54

8895

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13231

Males

9448

M50-54

9448

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11715

Males

8676

M50-54

8676

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10792

Males

8152

M50-54

8152

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10861

Males

8058

M50-54

8058

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11275

Males

8257

M50-54

8257

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9832

Males

7400

M50-54

7400

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9423

Males

7121

M50-54

7121

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10870

Males

7777

M50-54

7777

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12391

Males

8454

M50-54

8454

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11496

Males

8044

M50-54

8044

Passing Analysis

Category:
Athletes Passed
4128
Passed By
618
Net Change
+3510
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15353
5K → 10K149030+1460#15353#13893
10K → 15K70522+683#13893#13210
15K → 20K53117+514#13210#12696
20K → Half806+74#12696#12622
Half → 25K116192-76#12622#12698
25K → 30K30291+211#12698#12487
30K → 20M17930+149#12487#12338
20M → 21M14638+108#12338#12230
21M → 35K7424+50#12230#12180
35K → 23M16821+147#12180#12033
23M → 24M13715+122#12033#11911
24M → 40K9534+61#11911#11850
40K → 25.2M2235-13#11850#11863
25.2M → Finish8363+20#11863#11843
TOTALS4128618+3510
📊

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