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BOSTON MARATHON 2023

Mark Carlson

Bib: 21736•M

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:28
Rank: #15451
Start → 5K
25:28 | 8:12/mi
10K· 6.21 mi
50:46
Rank: #15617 (-166)
5K → 10K
25:18 | 8:09/mi
15K· 9.32 mi
1:16:12
Rank: #15636 (-19)
10K → 15K
25:26 | 8:11/mi
20K· 12.43 mi
1:41:49
Rank: #15522 (+114)
15K → 20K
25:37 | 8:15/mi
Half· 13.11 mi
1:47:21
Rank: #15507 (+15)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:07:34
Rank: #15425 (+82)
Half → 25K
20:13 | 8:20/mi
30K· 18.64 mi
2:34:44
Rank: #15485 (-60)
25K → 30K
27:10 | 8:45/mi
20M
2:46:56
Rank: #15534 (-49)
30K → 20M
12:12 | 8:59/mi
21M
2:56:24
Rank: #15539 (-5)
20M → 21M
9:28 | 9:28/mi
35K· 21.75 mi
3:03:03
Rank: #15602 (-63)
21M → 35K
6:39 | 8:53/mi
23M
3:14:31
Rank: #15660 (-58)
35K → 23M
11:28 | 9:09/mi
24M
3:23:29
Rank: #15730 (-70)
23M → 24M
8:58 | 8:58/mi
40K· 24.85 mi
3:31:11
Rank: #15749 (-19)
24M → 40K
7:42 | 9:00/mi
25.2M
3:34:31
Rank: #15757 (-8)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:43:16
Rank: #15741 (+16)
25.2M → Finish
8:45 | 8:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:21
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:55:55
Pace8:51 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:3825:288:1225:28
8:12
-
10K
6.21 mi12:05:5650:468:1025:18
8:09
-0:03
15K
9.32 mi12:31:221:16:128:1125:26
8:11
+0:02
20K
12.43 mi12:56:591:41:498:1225:37
8:15
+0:04
Half
13.11 mi13:02:311:47:218:115:32
8:07
-0:08
25K
15.53 mi13:22:442:07:348:1320:13
8:20
+0:13
30K
18.64 mi13:49:542:34:448:1827:10
8:45
+0:25
20M
20.00 mi14:02:062:46:568:2112:12
8:59
+0:14
21M
21.00 mi14:11:342:56:248:249:28
9:28
+0:29
35K
21.75 mi14:18:133:03:038:256:39
8:53
-0:35
23M
23.00 mi14:29:413:14:318:2711:28
9:09
+0:16
24M
24.00 mi14:38:393:23:298:298:58
8:58
-0:11
40K
24.85 mi14:46:213:31:118:307:42
9:00
+0:02
25.2M
25.20 mi14:49:413:34:318:313:20
9:40
+0:40
Finish
26.22 mi14:58:263:43:168:318:45
8:35
-1:05

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

8:07 /mi

Average Pace

8:31 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:08

76% of race

Time at Steady Pace

49:48

22% of race

Time at Slower Pace

3:20

1% of race

Average Pace: 8:31 /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 mi11:40:3825:288:1225:28
8:12
#15451
10K
6.21 mi12:05:5650:468:1025:18
8:09
#15617
15K
9.32 mi12:31:221:16:128:1125:26
8:11
#15636
20K
12.43 mi12:56:591:41:498:1225:37
8:15
#15522
Half
13.11 mi13:02:311:47:218:115:32
8:07
#15507
25K
15.53 mi13:22:442:07:348:1320:13
8:20
#15425
30K
18.64 mi13:49:542:34:448:1827:10
8:45
#15485
20M
20.00 mi14:02:062:46:568:2112:12
8:59
#15534
21M
21.00 mi14:11:342:56:248:249:28
9:28
#15539
35K
21.75 mi14:18:133:03:038:256:39
8:53
#15602
23M
23.00 mi14:29:413:14:318:2711:28
9:09
#15660
24M
24.00 mi14:38:393:23:298:298:58
8:58
#15730
40K
24.85 mi14:46:213:31:118:307:42
9:00
#15749
25.2M
25.20 mi14:49:413:34:318:313:20
9:40
#15757
Finish
26.22 mi14:58:263:43:168:318:45
8:35
#15741
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15451104991049915747(Top 59%)10591(Top 70%)10591(Top 954%)
10K6.21 mi3.10 mi15617-16610555-5610555-5615830(Top 59%)10645(Top 70%)10645(Top 959%)
15K9.32 mi3.11 mi15636-1910559-410559-415747(Top 59%)10591(Top 70%)10591(Top 954%)
20K12.43 mi3.11 mi15522+11410499+6010499+6015232(Top 57%)10361(Top 68%)10361(Top 933%)
Half13.11 mi0.68 mi15507+1510487+1210487+1215177(Top 57%)10370(Top 68%)10370(Top 934%)
25K15.53 mi2.42 mi15425+8210426+6110426+6115177(Top 57%)10209(Top 67%)10209(Top 920%)
30K18.64 mi3.11 mi15485-6010403+2310403+2315741(Top 59%)10373(Top 68%)10373(Top 935%)
20M20.00 mi1.36 mi15534-4910405-210405-216387(Top 62%)10558(Top 70%)10558(Top 951%)
21M21.00 mi1.00 mi15539-510379+2610379+2615786(Top 59%)10260(Top 68%)10260(Top 924%)
35K21.75 mi0.75 mi15602-6310382-310382-317357(Top 65%)10856(Top 72%)10856(Top 978%)
23M23.00 mi1.25 mi15660-5810378+410378+416827(Top 63%)10605(Top 70%)10605(Top 955%)
24M24.00 mi1.00 mi15730-7010390-1210390-1217057(Top 64%)10647(Top 70%)10647(Top 959%)
40K24.85 mi0.85 mi15749-1910396-610396-616137(Top 61%)10181(Top 67%)10181(Top 917%)
25.2M25.20 mi0.35 mi15757-810399-310399-315912(Top 60%)10076(Top 66%)10076(Top 908%)
Finish26.22 mi1.02 mi15741+1610382+1710382+1715890(Top 60%)10126(Top 67%)10126(Top 912%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

15747

Males

10591

M60-64

10591

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15830

Males

10645

M60-64

10645

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

15747

Males

10591

M60-64

10591

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

15232

Males

10361

M60-64

10361

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15177

Males

10370

M60-64

10370

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15177

Males

10209

M60-64

10209

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15741

Males

10373

M60-64

10373

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16387

Males

10558

M60-64

10558

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15786

Males

10260

M60-64

10260

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17357

Males

10856

M60-64

10856

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16827

Males

10605

M60-64

10605

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

17057

Males

10647

M60-64

10647

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16137

Males

10181

M60-64

10181

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15912

Males

10076

M60-64

10076

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

15890

Males

10126

M60-64

10126

Passing Analysis

Category:
Athletes Passed
1448
Passed By
1738
Net Change
-290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15451
5K → 10K229395-166#15451#15617
10K → 15K171190-19#15617#15636
15K → 20K229115+114#15636#15522
20K → Half3318+15#15522#15507
Half → 25K183101+82#15507#15425
25K → 30K162222-60#15425#15485
30K → 20M69118-49#15485#15534
20M → 21M8893-5#15534#15539
21M → 35K2487-63#15539#15602
35K → 23M66124-58#15602#15660
23M → 24M46116-70#15660#15730
24M → 40K5776-19#15730#15749
40K → 25.2M2735-8#15749#15757
25.2M → Finish6448+16#15757#15741
TOTALS14481738-290
📊

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