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BOSTON MARATHON 2023

Coby Muchin

MA

Bib: 24878 M

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:14/mi
31:48
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:52/mi
1:02:26
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:14/mi
1:31:07
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:01/mi
2:02:14
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:21/mi
2:08:37
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:58/mi
2:32:48
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:19/mi
3:07:57
↑ 181↓ 1480.2%
138 ft elev
20M
11:04/mi
3:22:59
↑ 64↓ 500.2%
148 ft elev
21M
12:09/mi
3:35:08
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:23/mi
3:42:54
↑ 17↓ 861.7%
156 ft elev
23M
11:25/mi
3:57:12
↑ 23↓ 630.6%
116 ft elev
24M
11:28/mi
4:08:40
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:37/mi
4:18:36
↓ 200.3%
20 ft elev
25.2M
10:29/mi
4:22:13
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:01/mi
4:31:24
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:08:379:49 /mi⚡ faster
2nd Half
2:22:4710:54 /mi+11.0%
Positive split — 11.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
31:4810:143.11 mi31:48
10:14
-
10K
1:02:2610:033.10 mi30:38
9:52
-0:22
15K
1:31:079:473.11 mi28:41
9:14
-0:38
20K
2:02:149:503.11 mi31:07
10:01
+0:47
Half(13.11 mi)
2:08:379:490.68 mi6:23
9:21
-0:40
25K
2:32:489:502.42 mi24:11
9:58
+0:37
30K
3:07:5710:053.11 mi35:09
11:19
+1:21
20M
3:22:5910:091.36 mi15:02
11:04
-0:15
21M
3:35:0810:151.00 mi12:09
12:09
+1:05
35K
3:42:5410:150.75 mi7:46
10:23
-1:46
23M
3:57:1210:191.25 mi14:18
11:25
+1:02
24M
4:08:4010:221.00 mi11:28
11:28
+0:03
40K
4:18:3610:240.85 mi9:56
11:37
+0:09
25.2M
4:22:1310:240.35 mi3:37
10:29
-1:08
Finish(26.22 mi)
4:31:2410:221.02 mi9:11
9:01
-1:28
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:01 /mi

Average Pace

10:22 /mi

Slowest Pace

12:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:14:53

28% of race

Time at Steady Pace

1:38:29

36% of race

Time at Slower Pace

1:38:02

36% of race

Average Pace: 10:21 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi240271410114101214081293612936
10K3.10 mi23725+30213961+14013961+140233951380913809
15K3.11 mi23088+63713669+29213669+292214081293612936
20K3.11 mi23020+6813641+2813641+28229511359613596
Half(13.11 mi)0.68 mi22964+5613614+2713614+27216841304713047
25K2.42 mi22804+16013526+8813526+88221591321413214
30K3.11 mi22992-18813593-6713593-67235981379913799
20M1.36 mi22980+1213572+2113572+21228021337113371
21M1.00 mi22974+613560+1213560+12229651341113411
35K0.75 mi22937+3713533+2713533+27221601300013000
23M1.25 mi22942-513524+913524+9231031344013440
24M1.00 mi22987-4513537-1313537-13238171373113731
40K0.85 mi2298713529+813529+8233801349013490
25.2M0.35 mi22939+4813507+2213507+22190591151511515
Finish(26.22 mi)1.02 mi22845+9413455+5213455+52180371109711097

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21408

Males

12936

M18-39

12936

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23395

Males

13809

M18-39

13809

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21408

Males

12936

M18-39

12936

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22951

Males

13596

M18-39

13596

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21684

Males

13047

M18-39

13047

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22159

Males

13214

M18-39

13214

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23598

Males

13799

M18-39

13799

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22802

Males

13371

M18-39

13371

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

22965

Males

13411

M18-39

13411

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22160

Males

13000

M18-39

13000

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23103

Males

13440

M18-39

13440

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

23817

Males

13731

M18-39

13731

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23380

Males

13490

M18-39

13490

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19059

Males

11515

M18-39

11515

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

18037

Males

11097

M18-39

11097

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#24027
5K → 10K
99401+302
#24027 → #23725
10K → 15K
0637+637
#23725 → #23088
15K → 20K
99167+68
#23088 → #23020
20K → Half
763+56
#23020 → #22964
Half → 25K
20180+160
#22964 → #22804
25K → 30K
24759-188
#22804 → #22992
30K → 20M
5769+12
#22992 → #22980
20M → 21M
4450+6
#22980 → #22974
21M → 35K
1249+37
#22974 → #22937
35K → 23M
4843-5
#22937 → #22942
23M → 24M
7328-45
#22942 → #22987
24M → 40K
38380
#22987 → #22987
40K → 25.2M
149+48
#22987 → #22939
25.2M → Finish
195+94
#22939 → #22845
TOTALS
7461928+1182
#24027 → #22845

Passing Visualized

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