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BOSTON MARATHON 2023

Brian Anderson

Bib: 614•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Masters (Masters Men)
#0 / 9891
Top 2%
Division (M40-44)
#0 / 2241
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:16
Rank: #1133
Start → 5K
19:16 | 6:12/mi
10K· 6.21 mi
37:59
Rank: #996 (+137)
5K → 10K
18:43 | 6:01/mi
15K· 9.32 mi
56:42
Rank: #907 (+89)
10K → 15K
18:43 | 6:01/mi
20K· 12.43 mi
1:15:44
Rank: #892 (+15)
15K → 20K
19:02 | 6:08/mi
Half· 13.11 mi
1:19:51
Rank: #886 (+6)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:34:49
Rank: #884 (+2)
Half → 25K
14:58 | 6:10/mi
30K· 18.64 mi
1:54:45
Rank: #908 (-24)
25K → 30K
19:56 | 6:25/mi
20M
2:03:40
Rank: #935 (-27)
30K → 20M
8:55 | 6:34/mi
21M
2:10:39
Rank: #958 (-23)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:15:26
Rank: #973 (-15)
21M → 35K
4:47 | 6:24/mi
23M
2:23:46
Rank: #999 (-26)
35K → 23M
8:20 | 6:39/mi
24M
2:30:21
Rank: #1043 (-44)
23M → 24M
6:35 | 6:35/mi
40K· 24.85 mi
2:36:02
Rank: #1061 (-18)
24M → 40K
5:41 | 6:39/mi
25.2M
2:38:33
Rank: #1073 (-12)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:45:13
Rank: #1107 (-34)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:51
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:25:22
Pace6:31 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2419:166:1219:16
6:12
-
10K
6.21 mi10:38:0737:596:0718:43
6:01
-0:11
15K
9.32 mi10:56:5056:426:0518:43
6:01
0:00
20K
12.43 mi11:15:521:15:446:0619:02
6:08
+0:07
Half
13.11 mi11:19:591:19:516:054:07
6:02
-0:06
25K
15.53 mi11:34:571:34:496:0614:58
6:10
+0:08
30K
18.64 mi11:54:531:54:456:0919:56
6:25
+0:15
20M
20.00 mi12:03:482:03:406:118:55
6:34
+0:09
21M
21.00 mi12:10:472:10:396:136:59
6:59
+0:25
35K
21.75 mi12:15:342:15:266:144:47
6:24
-0:35
23M
23.00 mi12:23:542:23:466:158:20
6:39
+0:15
24M
24.00 mi12:30:292:30:216:166:35
6:35
-0:04
40K
24.85 mi12:36:102:36:026:175:41
6:39
+0:04
25.2M
25.20 mi12:38:412:38:336:182:31
7:18
+0:39
Finish
26.22 mi12:45:212:45:136:186:40
6:33
-0:45

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

6:01 /mi

Average Pace

6:18 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:49

57% of race

Time at Steady Pace

46:53

28% of race

Time at Slower Pace

23:31

14% of race

Average Pace: 6:18 /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 mi10:19:2419:166:1219:16
6:12
#1133
10K
6.21 mi10:38:0737:596:0718:43
6:01
#996
15K
9.32 mi10:56:5056:426:0518:43
6:01
#907
20K
12.43 mi11:15:521:15:446:0619:02
6:08
#892
Half
13.11 mi11:19:591:19:516:054:07
6:02
#886
25K
15.53 mi11:34:571:34:496:0614:58
6:10
#884
30K
18.64 mi11:54:531:54:456:0919:56
6:25
#908
20M
20.00 mi12:03:482:03:406:118:55
6:34
#935
21M
21.00 mi12:10:472:10:396:136:59
6:59
#958
35K
21.75 mi12:15:342:15:266:144:47
6:24
#973
23M
23.00 mi12:23:542:23:466:158:20
6:39
#999
24M
24.00 mi12:30:292:30:216:166:35
6:35
#1043
40K
24.85 mi12:36:102:36:026:175:41
6:39
#1061
25.2M
25.20 mi12:38:412:38:336:182:31
7:18
#1073
Finish
26.22 mi12:45:212:45:136:186:40
6:33
#1107
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi113310711071771(Top 3%)726(Top 5%)726(Top 32%)
10K6.21 mi3.10 mi996+137940+131940+131869(Top 3%)821(Top 5%)821(Top 37%)
15K9.32 mi3.11 mi907+89857+83857+83771(Top 3%)726(Top 5%)726(Top 32%)
20K12.43 mi3.11 mi892+15844+13844+13851(Top 3%)807(Top 5%)807(Top 36%)
Half13.11 mi0.68 mi886+6838+6838+6866(Top 3%)824(Top 5%)824(Top 37%)
25K15.53 mi2.42 mi884+2837+1837+1927(Top 3%)880(Top 6%)880(Top 39%)
30K18.64 mi3.11 mi908-24860-23860-231256(Top 5%)1198(Top 8%)1198(Top 53%)
20M20.00 mi1.36 mi935-27887-27887-271669(Top 6%)1592(Top 10%)1592(Top 71%)
21M21.00 mi1.00 mi958-23911-24911-242046(Top 8%)1932(Top 13%)1932(Top 86%)
35K21.75 mi0.75 mi973-15926-15926-151908(Top 7%)1812(Top 12%)1812(Top 81%)
23M23.00 mi1.25 mi999-26950-24950-241963(Top 7%)1858(Top 12%)1858(Top 83%)
24M24.00 mi1.00 mi1043-44991-41991-412437(Top 9%)2273(Top 15%)2273(Top 101%)
40K24.85 mi0.85 mi1061-181009-181009-182076(Top 8%)1940(Top 13%)1940(Top 87%)
25.2M25.20 mi0.35 mi1073-121021-121021-122841(Top 11%)2596(Top 17%)2596(Top 116%)
Finish26.22 mi1.02 mi1107-341054-331054-332660(Top 10%)2432(Top 16%)2432(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

771

Males

726

M40-44

726

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

869

Males

821

M40-44

821

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

771

Males

726

M40-44

726

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

851

Males

807

M40-44

807

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

866

Males

824

M40-44

824

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

927

Males

880

M40-44

880

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1256

Males

1198

M40-44

1198

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1669

Males

1592

M40-44

1592

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2046

Males

1932

M40-44

1932

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1908

Males

1812

M40-44

1812

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1963

Males

1858

M40-44

1858

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2437

Males

2273

M40-44

2273

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2076

Males

1940

M40-44

1940

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2841

Males

2596

M40-44

2596

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2660

Males

2432

M40-44

2432

Passing Analysis

Category:
Athletes Passed
387
Passed By
361
Net Change
+26
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1133
5K → 10K1447+137#1133#996
10K → 15K934+89#996#907
15K → 20K3621+15#907#892
20K → Half82+6#892#886
Half → 25K2624+2#886#884
25K → 30K2246-24#884#908
30K → 20M734-27#908#935
20M → 21M831-23#935#958
21M → 35K520-15#958#973
35K → 23M935-26#973#999
23M → 24M549-44#999#1043
24M → 40K1432-18#1043#1061
40K → 25.2M315-12#1061#1073
25.2M → Finish741-34#1073#1107
TOTALS387361+26
📊

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