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BOSTON MARATHON 2023

Gary Margolin

Bib: 22461•M

NY

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
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
8:40/mi
26:55
↑ 97↓ 3451.5%
10K· 6.21 mi
8:50/mi
54:21
↑ 79↓ 1380.4%
15K· 9.32 mi
9:05/mi
1:22:34
↑ 67↓ 78
20K· 12.43 mi
9:03/mi
1:50:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:56:47
↑ 19↓ 370.5%
25K· 15.53 mi
10:15/mi
2:21:38
↑ 66↓ 880.2%
30K· 18.64 mi
9:49/mi
2:52:08
↑ 181↓ 1480.2%
20M
10:18/mi
3:06:08
↑ 64↓ 500.2%
21M
10:54/mi
3:17:02
↑ 106↓ 241.6%
35K· 21.75 mi
10:03/mi
3:24:33
↑ 17↓ 861.7%
23M
10:45/mi
3:38:00
↑ 23↓ 630.6%
24M
10:58/mi
3:48:58
↓ 821.3%
40K· 24.85 mi
11:38/mi
3:58:55
↓ 200.3%
25.2M
12:34/mi
4:03:15
↑ 13↓ 160.2%
Finish· 26.22 mi
11:51/mi
4:15:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:47
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:18:33
Pace10:34 /mi
📊Positive Split: 18.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5026:558:4026:55
8:40
-
10K
6.21 mi11:51:1654:218:4527:26
8:50
+0:10
15K
9.32 mi12:19:291:22:348:5228:13
9:05
+0:15
20K
12.43 mi12:47:361:50:418:5428:07
9:03
-0:02
Half
13.11 mi12:53:421:56:478:546:06
8:56
-0:07
25K
15.53 mi13:18:332:21:389:0724:51
10:15
+1:19
30K
18.64 mi13:49:032:52:089:1430:30
9:49
-0:26
20M
20.00 mi14:03:033:06:089:1814:00
10:18
+0:29
21M
21.00 mi14:13:573:17:029:2310:54
10:54
+0:36
35K
21.75 mi14:21:283:24:339:247:31
10:03
-0:51
23M
23.00 mi14:34:553:38:009:2913:27
10:45
+0:42
24M
24.00 mi14:45:533:48:589:3210:58
10:58
+0:13
40K
24.85 mi14:55:503:58:559:379:57
11:38
+0:40
25.2M
25.20 mi15:00:104:03:159:394:20
12:34
+0:56
Finish
26.22 mi15:12:154:15:209:4512:05
11:51
-0:43

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

8:40 /mi

Average Pace

9:45 /mi

Slowest Pace

12:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:47

46% of race

Time at Steady Pace

1:30:19

35% of race

Time at Slower Pace

48:14

19% of race

Average Pace: 9:44 /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 mi11:23:5026:558:4026:55
8:40
#18657
10K
6.21 mi11:51:1654:218:4527:26
8:50
#19381
15K
9.32 mi12:19:291:22:348:5228:13
9:05
#19911
20K
12.43 mi12:47:361:50:418:5428:07
9:03
#19887
Half
13.11 mi12:53:421:56:478:546:06
8:56
#19889
25K
15.53 mi13:18:332:21:389:0724:51
10:15
#20636
30K
18.64 mi13:49:032:52:089:1430:30
9:49
#20583
20M
20.00 mi14:03:033:06:089:1814:00
10:18
#20627
21M
21.00 mi14:13:573:17:029:2310:54
10:54
#20622
35K
21.75 mi14:21:283:24:339:247:31
10:03
#20648
23M
23.00 mi14:34:553:38:009:2913:27
10:45
#20731
24M
24.00 mi14:45:533:48:589:3210:58
10:58
#20843
40K
24.85 mi14:55:503:58:559:379:57
11:38
#20984
25.2M
25.20 mi15:00:104:03:159:394:20
12:34
#21060
Finish
26.22 mi15:12:154:15:209:4512:05
11:51
#21301
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18657116661166620862(Top 78%)12679(Top 84%)12679(Top 1142%)
10K6.21 mi3.10 mi19381-72411972-30611972-30620077(Top 75%)12318(Top 81%)12318(Top 1110%)
15K9.32 mi3.11 mi19911-53012208-23612208-23620862(Top 78%)12679(Top 84%)12679(Top 1142%)
20K12.43 mi3.11 mi19887+2412214-612214-619924(Top 75%)12269(Top 81%)12269(Top 1105%)
Half13.11 mi0.68 mi19889-212210+412210+420169(Top 76%)12396(Top 82%)12396(Top 1117%)
25K15.53 mi2.42 mi20636-74712553-34312553-34322731(Top 85%)13471(Top 89%)13471(Top 1214%)
30K18.64 mi3.11 mi20583+5312508+4512508+4520495(Top 77%)12420(Top 82%)12420(Top 1119%)
20M20.00 mi1.36 mi20627-4412514-612514-621271(Top 80%)12684(Top 84%)12684(Top 1143%)
21M21.00 mi1.00 mi20622+512508+612508+620595(Top 77%)12337(Top 81%)12337(Top 1111%)
35K21.75 mi0.75 mi20648-2612513-512513-521396(Top 80%)12665(Top 83%)12665(Top 1141%)
23M23.00 mi1.25 mi20731-8312527-1412527-1421856(Top 82%)12836(Top 85%)12836(Top 1156%)
24M24.00 mi1.00 mi20843-11212566-3912566-3922981(Top 86%)13333(Top 88%)13333(Top 1201%)
40K24.85 mi0.85 mi20984-14112619-5312619-5323412(Top 88%)13498(Top 89%)13498(Top 1216%)
25.2M25.20 mi0.35 mi21060-7612642-2312642-2323363(Top 88%)13474(Top 89%)13474(Top 1214%)
Finish26.22 mi1.02 mi21301-24112754-11212754-11225101(Top 94%)14363(Top 95%)14363(Top 1294%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20862

Males

12679

M60-64

12679

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

20077

Males

12318

M60-64

12318

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20862

Males

12679

M60-64

12679

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19924

Males

12269

M60-64

12269

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20169

Males

12396

M60-64

12396

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

22731

Males

13471

M60-64

13471

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20495

Males

12420

M60-64

12420

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21271

Males

12684

M60-64

12684

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20595

Males

12337

M60-64

12337

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21396

Males

12665

M60-64

12665

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21856

Males

12836

M60-64

12836

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22981

Males

13333

M60-64

13333

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23412

Males

13498

M60-64

13498

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23363

Males

13474

M60-64

13474

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

25101

Males

14363

M60-64

14363

Passing Analysis

Category:
Athletes Passed
794
Passed By
3438
Net Change
-2644
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18657
5K → 10K109833-724#18657#19381
10K → 15K47577-530#19381#19911
15K → 20K186162+24#19911#19887
20K → Half2729-2#19887#19889
Half → 25K9756-747#19889#20636
25K → 30K169116+53#20636#20583
30K → 20M4892-44#20583#20627
20M → 21M8176+5#20627#20622
21M → 35K3258-26#20622#20648
35K → 23M47130-83#20648#20731
23M → 24M21133-112#20731#20843
24M → 40K10151-141#20843#20984
40K → 25.2M682-76#20984#21060
25.2M → Finish2243-241#21060#21301
TOTALS7943438-2644
📊

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