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BOSTON MARATHON 2023

Mike Anderson

Bib: 27927•M

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
10:34/mi
32:49
↑ 97↓ 3451.5%
10K· 6.21 mi
10:22/mi
1:05:03
↑ 79↓ 1380.4%
15K· 9.32 mi
10:27/mi
1:37:30
↑ 67↓ 78
20K· 12.43 mi
10:40/mi
2:10:38
↑ 106↓ 860.1%
Half· 13.11 mi
10:05/mi
2:17:31
↑ 19↓ 370.5%
25K· 15.53 mi
10:40/mi
2:43:23
↑ 66↓ 880.2%
30K· 18.64 mi
11:09/mi
3:18:02
↑ 181↓ 1480.2%
20M
11:21/mi
3:33:27
↑ 64↓ 500.2%
21M
12:21/mi
3:45:48
↑ 106↓ 241.6%
35K· 21.75 mi
10:47/mi
3:53:52
↑ 17↓ 861.7%
23M
11:16/mi
4:07:58
↑ 23↓ 630.6%
24M
10:36/mi
4:18:34
↓ 821.3%
40K· 24.85 mi
10:57/mi
4:27:56
↓ 200.3%
25.2M
11:56/mi
4:32:03
↑ 13↓ 160.2%
Finish· 26.22 mi
10:28/mi
4:42:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:31
Pace10:29 /mi
2nd Half
Distance13.11 mi
Time2:25:12
Pace11:05 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5732:4910:3432:49
10:34
-
10K
6.21 mi12:25:111:05:0310:2832:14
10:22
-0:12
15K
9.32 mi12:57:381:37:3010:2832:27
10:27
+0:05
20K
12.43 mi13:30:462:10:3810:3133:08
10:40
+0:13
Half
13.11 mi13:37:392:17:3110:296:53
10:05
-0:35
25K
15.53 mi14:03:312:43:2310:3125:52
10:40
+0:35
30K
18.64 mi14:38:103:18:0210:3734:39
11:09
+0:29
20M
20.00 mi14:53:353:33:2710:4015:25
11:21
+0:12
21M
21.00 mi15:05:563:45:4810:4512:21
12:21
+1:00
35K
21.75 mi15:14:003:53:5210:458:04
10:47
-1:34
23M
23.00 mi15:28:064:07:5810:4714:06
11:16
+0:29
24M
24.00 mi15:38:424:18:3410:4610:36
10:36
-0:40
40K
24.85 mi15:48:044:27:5610:479:22
10:57
+0:21
25.2M
25.20 mi15:52:114:32:0310:484:07
11:56
+0:59
Finish
26.22 mi16:02:514:42:4310:4710:40
10:28
-1:28

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

10:05 /mi

Average Pace

10:47 /mi

Slowest Pace

12:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:07

14% of race

Time at Steady Pace

2:42:58

58% of race

Time at Slower Pace

1:20:38

29% of race

Average Pace: 10:47 /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 mi11:52:5732:4910:3432:49
10:34
#24854
10K
6.21 mi12:25:111:05:0310:2832:14
10:22
#24657
15K
9.32 mi12:57:381:37:3010:2832:27
10:27
#24558
20K
12.43 mi13:30:462:10:3810:3133:08
10:40
#24433
Half
13.11 mi13:37:392:17:3110:296:53
10:05
#24386
25K
15.53 mi14:03:312:43:2310:3125:52
10:40
#24202
30K
18.64 mi14:38:103:18:0210:3734:39
11:09
#24025
20M
20.00 mi14:53:353:33:2710:4015:25
11:21
#23985
21M
21.00 mi15:05:563:45:4810:4512:21
12:21
#23956
35K
21.75 mi15:14:003:53:5210:458:04
10:47
#23921
23M
23.00 mi15:28:064:07:5810:4714:06
11:16
#23882
24M
24.00 mi15:38:424:18:3410:4610:36
10:36
#23815
40K
24.85 mi15:48:044:27:5610:479:22
10:57
#23767
25.2M
25.20 mi15:52:114:32:0310:484:07
11:56
#23754
Finish
26.22 mi16:02:514:42:4310:4710:40
10:28
#23727
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi24854144721447224358(Top 91%)14243(Top 94%)14243(Top 1002%)
10K6.21 mi3.10 mi24657+19714392+8014392+8024441(Top 92%)14281(Top 94%)14281(Top 1004%)
15K9.32 mi3.11 mi24558+9914343+4914343+4924358(Top 91%)14243(Top 94%)14243(Top 1002%)
20K12.43 mi3.11 mi24433+12514277+6614277+6624117(Top 91%)14117(Top 93%)14117(Top 993%)
Half13.11 mi0.68 mi24386+4714252+2514252+2523446(Top 88%)13821(Top 91%)13821(Top 972%)
25K15.53 mi2.42 mi24202+18414162+9014162+9023460(Top 88%)13792(Top 91%)13792(Top 970%)
30K18.64 mi3.11 mi24025+17714070+9214070+9223346(Top 88%)13672(Top 90%)13672(Top 961%)
20M20.00 mi1.36 mi23985+4014048+2214048+2223252(Top 87%)13577(Top 89%)13577(Top 955%)
21M21.00 mi1.00 mi23956+2914021+2714021+2723260(Top 87%)13555(Top 89%)13555(Top 953%)
35K21.75 mi0.75 mi23921+3513998+2313998+2322888(Top 86%)13331(Top 88%)13331(Top 937%)
23M23.00 mi1.25 mi23882+3913971+2713971+2722833(Top 86%)13309(Top 88%)13309(Top 936%)
24M24.00 mi1.00 mi23815+6713933+3813933+3822232(Top 84%)12983(Top 86%)12983(Top 913%)
40K24.85 mi0.85 mi23767+4813905+2813905+2822257(Top 84%)12968(Top 85%)12968(Top 912%)
25.2M25.20 mi0.35 mi23754+1313897+813897+822370(Top 84%)13027(Top 86%)13027(Top 916%)
Finish26.22 mi1.02 mi23727+2713876+2113876+2122933(Top 86%)13293(Top 88%)13293(Top 935%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24358

Males

14243

M55-59

14243

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24441

Males

14281

M55-59

14281

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24358

Males

14243

M55-59

14243

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24117

Males

14117

M55-59

14117

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

23446

Males

13821

M55-59

13821

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23460

Males

13792

M55-59

13792

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23346

Males

13672

M55-59

13672

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23252

Males

13577

M55-59

13577

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23260

Males

13555

M55-59

13555

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

22888

Males

13331

M55-59

13331

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

22833

Males

13309

M55-59

13309

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22232

Males

12983

M55-59

12983

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22257

Males

12968

M55-59

12968

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22370

Males

13027

M55-59

13027

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

22933

Males

13293

M55-59

13293

Passing Analysis

Category:
Athletes Passed
1512
Passed By
385
Net Change
+1127
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24854
5K → 10K304107+197#24854#24657
10K → 15K17475+99#24657#24558
15K → 20K16237+125#24558#24433
20K → Half514+47#24433#24386
Half → 25K19612+184#24386#24202
25K → 30K20326+177#24202#24025
30K → 20M7333+40#24025#23985
20M → 21M5526+29#23985#23956
21M → 35K4611+35#23956#23921
35K → 23M6122+39#23921#23882
23M → 24M758+67#23882#23815
24M → 40K535+48#23815#23767
40K → 25.2M152+13#23767#23754
25.2M → Finish4417+27#23754#23727
TOTALS1512385+1127
📊

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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Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing