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BOSTON MARATHON 2023

Joshua Chessin-Yudin

Bib: 6218•M

WA

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

Start
0:00:00
Race begins
5K· 3.11 mi
20:37
Rank: #3149
Start → 5K
20:37 | 6:38/mi
10K· 6.21 mi
40:48
Rank: #2907 (+242)
5K → 10K
20:11 | 6:30/mi
15K· 9.32 mi
1:01:17
Rank: #3017 (-110)
10K → 15K
20:29 | 6:36/mi
20K· 12.43 mi
1:22:04
Rank: #3113 (-96)
15K → 20K
20:47 | 6:41/mi
Half· 13.11 mi
1:26:36
Rank: #3133 (-20)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:43:44
Rank: #3582 (-449)
Half → 25K
17:08 | 7:04/mi
30K· 18.64 mi
2:10:37
Rank: #5859 (-2277)
25K → 30K
26:53 | 8:39/mi
20M
2:40:38
Rank: #13290 (-7431)
30K → 20M
30:01 | 22:05/mi
21M
2:56:27
Rank: #15547 (-2257)
20M → 21M
15:49 | 15:49/mi
35K· 21.75 mi
3:05:41
Rank: #16367 (-820)
21M → 35K
9:14 | 12:21/mi
23M
3:19:33
Rank: #17020 (-653)
35K → 23M
13:52 | 11:05/mi
24M
3:30:28
Rank: #17518 (-498)
23M → 24M
10:55 | 10:55/mi
40K· 24.85 mi
3:38:18
Rank: #17513 (+5)
24M → 40K
7:50 | 9:10/mi
25.2M
3:42:03
Rank: #17589 (-76)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
3:50:26
Rank: #17430 (+159)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:36
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time2:23:50
Pace10:58 /mi
📊Positive Split: 66.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0620:376:3820:37
6:38
-
10K
6.21 mi10:44:1740:486:3420:11
6:30
-0:08
15K
9.32 mi11:04:461:01:176:3520:29
6:36
+0:06
20K
12.43 mi11:25:331:22:046:3620:47
6:41
+0:05
Half
13.11 mi11:30:051:26:366:364:32
6:39
-0:02
25K
15.53 mi11:47:131:43:446:4117:08
7:04
+0:25
30K
18.64 mi12:14:062:10:377:0026:53
8:39
+1:35
20M
20.00 mi12:44:072:40:388:0230:01
22:05
+13:26
21M
21.00 mi12:59:562:56:278:2415:49
15:49
-6:16
35K
21.75 mi13:09:103:05:418:329:14
12:21
-3:28
23M
23.00 mi13:23:023:19:338:4113:52
11:05
-1:16
24M
24.00 mi13:33:573:30:288:4610:55
10:55
-0:10
40K
24.85 mi13:41:473:38:188:477:50
9:10
-1:45
25.2M
25.20 mi13:45:323:42:038:493:45
10:52
+1:42
Finish
26.22 mi13:53:553:50:268:488:23
8:14
-2:38

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

6:30 /mi

Average Pace

8:48 /mi

Slowest Pace

22:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:11

9% of race

Time at Steady Pace

2:06:39

55% of race

Time at Slower Pace

1:23:36

36% of race

Average Pace: 8:47 /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 mi10:24:0620:376:3820:37
6:38
#3149
10K
6.21 mi10:44:1740:486:3420:11
6:30
#2907
15K
9.32 mi11:04:461:01:176:3520:29
6:36
#3017
20K
12.43 mi11:25:331:22:046:3620:47
6:41
#3113
Half
13.11 mi11:30:051:26:366:364:32
6:39
#3133
25K
15.53 mi11:47:131:43:446:4117:08
7:04
#3582
30K
18.64 mi12:14:062:10:377:0026:53
8:39
#5859
20M
20.00 mi12:44:072:40:388:0230:01
22:05
#13290
21M
21.00 mi12:59:562:56:278:2415:49
15:49
#15547
35K
21.75 mi13:09:103:05:418:329:14
12:21
#16367
23M
23.00 mi13:23:023:19:338:4113:52
11:05
#17020
24M
24.00 mi13:33:573:30:288:4610:55
10:55
#17518
40K
24.85 mi13:41:473:38:188:477:50
9:10
#17513
25.2M
25.20 mi13:45:323:42:038:493:45
10:52
#17589
Finish
26.22 mi13:53:553:50:268:488:23
8:14
#17430
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3149297729773249(Top 12%)3090(Top 20%)3090(Top 58%)
10K6.21 mi3.10 mi2907+2422773+2042773+2042778(Top 10%)2656(Top 18%)2656(Top 50%)
15K9.32 mi3.11 mi3017-1102876-1032876-1033249(Top 12%)3090(Top 20%)3090(Top 58%)
20K12.43 mi3.11 mi3113-962968-922968-923514(Top 13%)3328(Top 22%)3328(Top 63%)
Half13.11 mi0.68 mi3133-202985-172985-173902(Top 15%)3686(Top 24%)3686(Top 70%)
25K15.53 mi2.42 mi3582-4493391-4063391-4065945(Top 22%)5410(Top 36%)5410(Top 102%)
30K18.64 mi3.11 mi5859-22775357-19665357-196615237(Top 57%)10144(Top 67%)10144(Top 192%)
20M20.00 mi1.36 mi13290-74319545-41889545-418826611(Top 100%)15170(Top 100%)15170(Top 287%)
21M21.00 mi1.00 mi15547-225710383-83810383-83826154(Top 98%)14931(Top 98%)14931(Top 283%)
35K21.75 mi0.75 mi16367-82010707-32410707-32425008(Top 94%)14324(Top 94%)14324(Top 271%)
23M23.00 mi1.25 mi17020-65310965-25810965-25822472(Top 84%)13140(Top 87%)13140(Top 249%)
24M24.00 mi1.00 mi17518-49811157-19211157-19222876(Top 86%)13283(Top 88%)13283(Top 251%)
40K24.85 mi0.85 mi17513+511140+1711140+1716909(Top 64%)10545(Top 69%)10545(Top 200%)
25.2M25.20 mi0.35 mi17589-7611163-2311163-2320121(Top 76%)11967(Top 79%)11967(Top 226%)
Finish26.22 mi1.02 mi17430+15911090+7311090+7313610(Top 51%)9069(Top 60%)9069(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3249

Males

3090

M18-39

3090

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2778

Males

2656

M18-39

2656

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3249

Males

3090

M18-39

3090

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3514

Males

3328

M18-39

3328

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3902

Males

3686

M18-39

3686

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5945

Males

5410

M18-39

5410

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15237

Males

10144

M18-39

10144

30K→20M

18.6 - 20.0 mi

Top 100%
×5stories
+64ft-50ft

Overall

26611

Males

15170

M18-39

15170

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

26154

Males

14931

M18-39

14931

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

25008

Males

14324

M18-39

14324

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22472

Males

13140

M18-39

13140

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22876

Males

13283

M18-39

13283

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16909

Males

10545

M18-39

10545

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20121

Males

11967

M18-39

11967

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13610

Males

9069

M18-39

9069

Passing Analysis

Category:
Athletes Passed
703
Passed By
14982
Net Change
-14281
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3149
5K → 10K31371+242#3149#2907
10K → 15K58168-110#2907#3017
15K → 20K52148-96#3017#3113
20K → Half1030-20#3113#3133
Half → 25K8457-449#3133#3582
25K → 30K02277-2277#3582#5859
30K → 20M07429-7431#5859#13290
20M → 21M02257-2257#13290#15547
21M → 35K4824-820#15547#16367
35K → 23M7660-653#16367#17020
23M → 24M9507-498#17020#17518
24M → 40K6459+5#17518#17513
40K → 25.2M1490-76#17513#17589
25.2M → Finish1645+159#17589#17430
TOTALS70314982-14281
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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