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BOSTON MARATHON 2023

Dan Gorczycki

Bib: 26553•M

NJ

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
10:15/mi
31:50
↑ 97↓ 3451.5%
10K· 6.21 mi
10:00/mi
1:02:53
↑ 79↓ 1380.4%
15K· 9.32 mi
9:52/mi
1:33:33
↑ 67↓ 78
20K· 12.43 mi
9:57/mi
2:04:29
↑ 106↓ 860.1%
Half· 13.11 mi
9:42/mi
2:11:06
↑ 19↓ 370.5%
25K· 15.53 mi
9:52/mi
2:35:02
↑ 66↓ 880.2%
30K· 18.64 mi
10:22/mi
3:07:13
↑ 181↓ 1480.2%
20M
10:30/mi
3:21:29
↑ 64↓ 500.2%
21M
10:59/mi
3:32:28
↑ 106↓ 241.6%
35K· 21.75 mi
10:10/mi
3:40:04
↑ 17↓ 861.7%
23M
10:29/mi
3:53:12
↑ 23↓ 630.6%
24M
10:23/mi
4:03:35
↓ 821.3%
40K· 24.85 mi
10:21/mi
4:12:26
↓ 200.3%
25.2M
10:50/mi
4:16:10
↑ 13↓ 160.2%
Finish· 26.22 mi
9:42/mi
4:26:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:06
Pace10:00 /mi
2nd Half
Distance13.11 mi
Time2:14:57
Pace10:18 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2131:5010:1531:50
10:15
-
10K
6.21 mi12:22:241:02:5310:0731:03
10:00
-0:15
15K
9.32 mi12:53:041:33:3310:0230:40
9:52
-0:08
20K
12.43 mi13:24:002:04:2910:0130:56
9:57
+0:05
Half
13.11 mi13:30:372:11:0610:006:37
9:42
-0:15
25K
15.53 mi13:54:332:35:029:5923:56
9:52
+0:10
30K
18.64 mi14:26:443:07:1310:0332:11
10:22
+0:30
20M
20.00 mi14:41:003:21:2910:0414:16
10:30
+0:08
21M
21.00 mi14:51:593:32:2810:0710:59
10:59
+0:29
35K
21.75 mi14:59:353:40:0410:077:36
10:10
-0:49
23M
23.00 mi15:12:433:53:1210:0813:08
10:29
+0:19
24M
24.00 mi15:23:064:03:3510:0910:23
10:23
-0:06
40K
24.85 mi15:31:574:12:2610:098:51
10:21
-0:02
25.2M
25.20 mi15:35:414:16:1010:103:44
10:50
+0:29
Finish
26.22 mi15:45:344:26:0310:099:53
9:42
-1:08

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

9:42 /mi

Average Pace

10:09 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:11:20

94% of race

Time at Steady Pace

14:43

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:09 /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 mi11:51:2131:5010:1531:50
10:15
#24071
10K
6.21 mi12:22:241:02:5310:0731:03
10:00
#23890
15K
9.32 mi12:53:041:33:3310:0230:40
9:52
#23683
20K
12.43 mi13:24:002:04:2910:0130:56
9:57
#23446
Half
13.11 mi13:30:372:11:0610:006:37
9:42
#23408
25K
15.53 mi13:54:332:35:029:5923:56
9:52
#23152
30K
18.64 mi14:26:443:07:1310:0332:11
10:22
#22879
20M
20.00 mi14:41:003:21:2910:0414:16
10:30
#22783
21M
21.00 mi14:51:593:32:2810:0710:59
10:59
#22702
35K
21.75 mi14:59:353:40:0410:077:36
10:10
#22667
23M
23.00 mi15:12:433:53:1210:0813:08
10:29
#22569
24M
24.00 mi15:23:064:03:3510:0910:23
10:23
#22535
40K
24.85 mi15:31:574:12:2610:098:51
10:21
#22473
25.2M
25.20 mi15:35:414:16:1010:103:44
10:50
#22436
Finish
26.22 mi15:45:344:26:0310:099:53
9:42
#22389
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi24071141211412123229(Top 87%)13744(Top 91%)13744(Top 1238%)
10K6.21 mi3.10 mi23890+18114033+8814033+8823664(Top 89%)13932(Top 92%)13932(Top 1255%)
15K9.32 mi3.11 mi23683+20713943+9013943+9023229(Top 87%)13744(Top 91%)13744(Top 1238%)
20K12.43 mi3.11 mi23446+23713849+9413849+9422801(Top 86%)13530(Top 89%)13530(Top 1219%)
Half13.11 mi0.68 mi23408+3813828+2113828+2122624(Top 85%)13451(Top 89%)13451(Top 1212%)
25K15.53 mi2.42 mi23152+25613692+13613692+13621905(Top 82%)13097(Top 86%)13097(Top 1180%)
30K18.64 mi3.11 mi22879+27313542+15013542+15021906(Top 82%)13032(Top 86%)13032(Top 1174%)
20M20.00 mi1.36 mi22783+9613483+5913483+5921722(Top 82%)12876(Top 85%)12876(Top 1160%)
21M21.00 mi1.00 mi22702+8113431+5213431+5220801(Top 78%)12430(Top 82%)12430(Top 1120%)
35K21.75 mi0.75 mi22667+3513404+2713404+2721673(Top 81%)12786(Top 84%)12786(Top 1152%)
23M23.00 mi1.25 mi22569+9813352+5213352+5221289(Top 80%)12592(Top 83%)12592(Top 1134%)
24M24.00 mi1.00 mi22535+3413330+2213330+2221743(Top 82%)12750(Top 84%)12750(Top 1149%)
40K24.85 mi0.85 mi22473+6213295+3513295+3520870(Top 78%)12321(Top 81%)12321(Top 1110%)
25.2M25.20 mi0.35 mi22436+3713274+2113274+2120033(Top 75%)11941(Top 79%)11941(Top 1076%)
Finish26.22 mi1.02 mi22389+4713247+2713247+2720785(Top 78%)12314(Top 81%)12314(Top 1109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

23229

Males

13744

M60-64

13744

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

23664

Males

13932

M60-64

13932

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

23229

Males

13744

M60-64

13744

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22801

Males

13530

M60-64

13530

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22624

Males

13451

M60-64

13451

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21905

Males

13097

M60-64

13097

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21906

Males

13032

M60-64

13032

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21722

Males

12876

M60-64

12876

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20801

Males

12430

M60-64

12430

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21673

Males

12786

M60-64

12786

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21289

Males

12592

M60-64

12592

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21743

Males

12750

M60-64

12750

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20870

Males

12321

M60-64

12321

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20033

Males

11941

M60-64

11941

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20785

Males

12314

M60-64

12314

Passing Analysis

Category:
Athletes Passed
1990
Passed By
308
Net Change
+1682
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24071
5K → 10K309128+181#24071#23890
10K → 15K23932+207#23890#23683
15K → 20K26427+237#23683#23446
20K → Half457+38#23446#23408
Half → 25K26812+256#23408#23152
25K → 30K29017+273#23152#22879
30K → 20M11216+96#22879#22783
20M → 21M9615+81#22783#22702
21M → 35K4611+35#22702#22667
35K → 23M11719+98#22667#22569
23M → 24M4713+34#22569#22535
24M → 40K642+62#22535#22473
40K → 25.2M392+37#22473#22436
25.2M → Finish547+47#22436#22389
TOTALS1990308+1682
📊

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