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BOSTON MARATHON 2023

Mike Halperin

Bib: 21588•M

WA

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 34%
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
8:11/mi
25:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
51:01
↑ 79↓ 1380.4%
15K· 9.32 mi
8:12/mi
1:16:30
↑ 67↓ 78
20K· 12.43 mi
8:37/mi
1:43:15
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:48:45
↑ 19↓ 370.5%
25K· 15.53 mi
8:21/mi
2:08:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:36:23
↑ 181↓ 1480.2%
20M
8:33/mi
2:48:00
↑ 64↓ 500.2%
21M
9:04/mi
2:57:04
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
3:03:13
↑ 17↓ 861.7%
23M
8:41/mi
3:14:05
↑ 23↓ 630.6%
24M
8:27/mi
3:22:32
↓ 821.3%
40K· 24.85 mi
8:40/mi
3:29:57
↓ 200.3%
25.2M
9:20/mi
3:33:10
↑ 13↓ 160.2%
Finish· 26.22 mi
8:31/mi
3:41:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:45
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:53:06
Pace8:38 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0525:258:1125:25
8:11
-
10K
6.21 mi11:44:4151:018:1325:36
8:14
+0:03
15K
9.32 mi12:10:101:16:308:1225:29
8:12
-0:02
20K
12.43 mi12:36:551:43:158:1826:45
8:37
+0:25
Half
13.11 mi12:42:251:48:458:185:30
8:04
-0:33
25K
15.53 mi13:02:392:08:598:1820:14
8:21
+0:17
30K
18.64 mi13:30:032:36:238:2327:24
8:49
+0:28
20M
20.00 mi13:41:402:48:008:2411:37
8:33
-0:16
21M
21.00 mi13:50:442:57:048:269:04
9:04
+0:31
35K
21.75 mi13:56:533:03:138:256:09
8:13
-0:51
23M
23.00 mi14:07:453:14:058:2610:52
8:41
+0:28
24M
24.00 mi14:16:123:22:328:268:27
8:27
-0:14
40K
24.85 mi14:23:373:29:578:277:25
8:40
+0:13
25.2M
25.20 mi14:26:503:33:108:283:13
9:20
+0:40
Finish
26.22 mi14:35:313:41:518:288:41
8:31
-0:49

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

8:04 /mi

Average Pace

8:28 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:34

94% of race

Time at Steady Pace

12:17

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:28 /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 mi11:19:0525:258:1125:25
8:11
#15314
10K
6.21 mi11:44:4151:018:1325:36
8:14
#15889
15K
9.32 mi12:10:101:16:308:1225:29
8:12
#15880
20K
12.43 mi12:36:551:43:158:1826:45
8:37
#16342
Half
13.11 mi12:42:251:48:458:185:30
8:04
#16247
25K
15.53 mi13:02:392:08:598:1820:14
8:21
#16050
30K
18.64 mi13:30:032:36:238:2327:24
8:49
#16073
20M
20.00 mi13:41:402:48:008:2411:37
8:33
#15906
21M
21.00 mi13:50:442:57:048:269:04
9:04
#15736
35K
21.75 mi13:56:533:03:138:256:09
8:13
#15652
23M
23.00 mi14:07:453:14:058:2610:52
8:41
#15551
24M
24.00 mi14:16:123:22:328:268:27
8:27
#15482
40K
24.85 mi14:23:373:29:578:277:25
8:40
#15445
25.2M
25.20 mi14:26:503:33:108:283:13
9:20
#15402
Finish
26.22 mi14:35:313:41:518:288:41
8:31
#15403
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15314104551045515868(Top 60%)10638(Top 70%)10638(Top 958%)
10K6.21 mi3.10 mi15889-57510655-20010655-20016517(Top 62%)10911(Top 72%)10911(Top 983%)
15K9.32 mi3.11 mi15880+9106551065515868(Top 60%)10638(Top 70%)10638(Top 958%)
20K12.43 mi3.11 mi16342-46210805-15010805-15017540(Top 66%)11264(Top 74%)11264(Top 1015%)
Half13.11 mi0.68 mi16247+9510772+3310772+3314807(Top 56%)10224(Top 67%)10224(Top 921%)
25K15.53 mi2.42 mi16050+19710663+10910663+10915218(Top 57%)10229(Top 67%)10229(Top 922%)
30K18.64 mi3.11 mi16073-2310634+2910634+2916184(Top 61%)10559(Top 70%)10559(Top 951%)
20M20.00 mi1.36 mi15906+16710540+9410540+9413919(Top 52%)9544(Top 63%)9544(Top 860%)
21M21.00 mi1.00 mi15736+17010451+8910451+8913786(Top 52%)9398(Top 62%)9398(Top 847%)
35K21.75 mi0.75 mi15652+8410404+4710404+4713571(Top 51%)9231(Top 61%)9231(Top 832%)
23M23.00 mi1.25 mi15551+10110334+7010334+7014235(Top 53%)9473(Top 62%)9473(Top 853%)
24M24.00 mi1.00 mi15482+6910299+3510299+3514172(Top 53%)9383(Top 62%)9383(Top 845%)
40K24.85 mi0.85 mi15445+3710266+3310266+3314354(Top 54%)9396(Top 62%)9396(Top 846%)
25.2M25.20 mi0.35 mi15402+4310247+1910247+1914273(Top 54%)9366(Top 62%)9366(Top 844%)
Finish26.22 mi1.02 mi15403-110235+1210235+1215533(Top 58%)9960(Top 66%)9960(Top 897%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15868

Males

10638

M60-64

10638

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16517

Males

10911

M60-64

10911

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15868

Males

10638

M60-64

10638

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17540

Males

11264

M60-64

11264

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14807

Males

10224

M60-64

10224

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15218

Males

10229

M60-64

10229

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

16184

Males

10559

M60-64

10559

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13919

Males

9544

M60-64

9544

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13786

Males

9398

M60-64

9398

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13571

Males

9231

M60-64

9231

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14235

Males

9473

M60-64

9473

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14172

Males

9383

M60-64

9383

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14354

Males

9396

M60-64

9396

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14273

Males

9366

M60-64

9366

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15533

Males

9960

M60-64

9960

Passing Analysis

Category:
Athletes Passed
1785
Passed By
1874
Net Change
-89
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15314
5K → 10K117692-575#15314#15889
10K → 15K190181+9#15889#15880
15K → 20K60522-462#15880#16342
20K → Half1038+95#16342#16247
Half → 25K24952+197#16247#16050
25K → 30K172195-23#16050#16073
30K → 20M18215+167#16073#15906
20M → 21M18919+170#15906#15736
21M → 35K939+84#15736#15652
35K → 23M13231+101#15652#15551
23M → 24M9425+69#15551#15482
24M → 40K7740+37#15482#15445
40K → 25.2M5411+43#15445#15402
25.2M → Finish7374-1#15402#15403
TOTALS17851874-89
📊

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