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BOSTON MARATHON 2023

Artem Shlezinger

Bib: 789•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:33
Rank: #220
Start → 5K
17:33 | 5:39/mi
10K· 6.21 mi
35:25
Rank: #297 (-77)
5K → 10K
17:52 | 5:45/mi
15K· 9.32 mi
53:52
Rank: #367 (-70)
10K → 15K
18:27 | 5:56/mi
20K· 12.43 mi
1:13:05
Rank: #463 (-96)
15K → 20K
19:13 | 6:11/mi
Half· 13.11 mi
1:17:13
Rank: #478 (-15)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:31:56
Rank: #506 (-28)
Half → 25K
14:43 | 6:04/mi
30K· 18.64 mi
1:51:18
Rank: #524 (-18)
25K → 30K
19:22 | 6:14/mi
20M
1:59:39
Rank: #518 (+6)
30K → 20M
8:21 | 6:09/mi
21M
2:06:15
Rank: #521 (-3)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:10:42
Rank: #525 (-4)
21M → 35K
4:27 | 5:57/mi
23M
2:18:29
Rank: #518 (+7)
35K → 23M
7:47 | 6:13/mi
24M
2:24:24
Rank: #505 (+13)
23M → 24M
5:55 | 5:55/mi
40K· 24.85 mi
2:29:34
Rank: #495 (+10)
24M → 40K
5:10 | 6:03/mi
25.2M
2:31:50
Rank: #493 (+2)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:37:51
Rank: #478 (+15)
25.2M → Finish
6:01 | 5:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:13
Pace5:53 /mi
2nd Half
Distance13.11 mi
Time1:20:38
Pace6:09 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:4017:335:3917:33
5:39
-
10K
6.21 mi10:35:3235:255:4217:52
5:45
+0:06
15K
9.32 mi10:53:5953:525:4718:27
5:56
+0:11
20K
12.43 mi11:13:121:13:055:5319:13
6:11
+0:15
Half
13.11 mi11:17:201:17:135:534:08
6:03
-0:08
25K
15.53 mi11:32:031:31:565:5514:43
6:04
+0:01
30K
18.64 mi11:51:251:51:185:5819:22
6:14
+0:10
20M
20.00 mi11:59:461:59:395:598:21
6:09
-0:05
21M
21.00 mi12:06:222:06:156:016:36
6:36
+0:27
35K
21.75 mi12:10:492:10:426:014:27
5:57
-0:39
23M
23.00 mi12:18:362:18:296:017:47
6:13
+0:16
24M
24.00 mi12:24:312:24:246:015:55
5:55
-0:18
40K
24.85 mi12:29:412:29:346:015:10
6:03
+0:08
25.2M
25.20 mi12:31:572:31:506:022:16
6:34
+0:31
Finish
26.22 mi12:37:582:37:516:016:01
5:54
-0:40

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

5:39 /mi

Average Pace

6:01 /mi

Slowest Pace

6:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:50

77% of race

Time at Steady Pace

36:01

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:01 /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 mi10:17:4017:335:3917:33
5:39
#220
10K
6.21 mi10:35:3235:255:4217:52
5:45
#297
15K
9.32 mi10:53:5953:525:4718:27
5:56
#367
20K
12.43 mi11:13:121:13:055:5319:13
6:11
#463
Half
13.11 mi11:17:201:17:135:534:08
6:03
#478
25K
15.53 mi11:32:031:31:565:5514:43
6:04
#506
30K
18.64 mi11:51:251:51:185:5819:22
6:14
#524
20M
20.00 mi11:59:461:59:395:598:21
6:09
#518
21M
21.00 mi12:06:222:06:156:016:36
6:36
#521
35K
21.75 mi12:10:492:10:426:014:27
5:57
#525
23M
23.00 mi12:18:362:18:296:017:47
6:13
#518
24M
24.00 mi12:24:312:24:246:015:55
5:55
#505
40K
24.85 mi12:29:412:29:346:015:10
6:03
#495
25.2M
25.20 mi12:31:572:31:506:022:16
6:34
#493
Finish
26.22 mi12:37:582:37:516:016:01
5:54
#478
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi220220220579(Top 2%)536(Top 4%)536(Top 10%)
10K6.21 mi3.10 mi297-77269-49269-49381(Top 1%)346(Top 2%)346(Top 7%)
15K9.32 mi3.11 mi367-70333-64333-64579(Top 2%)536(Top 4%)536(Top 10%)
20K12.43 mi3.11 mi463-96427-94427-941002(Top 4%)952(Top 6%)952(Top 18%)
Half13.11 mi0.68 mi478-15439-12439-12883(Top 3%)840(Top 6%)840(Top 16%)
25K15.53 mi2.42 mi506-28466-27466-27660(Top 2%)619(Top 4%)619(Top 12%)
30K18.64 mi3.11 mi524-18485-19485-19747(Top 3%)709(Top 5%)709(Top 13%)
20M20.00 mi1.36 mi518+6479+6479+6557(Top 2%)523(Top 3%)523(Top 10%)
21M21.00 mi1.00 mi521-3483-4483-4852(Top 3%)806(Top 5%)806(Top 15%)
35K21.75 mi0.75 mi525-4487-4487-4584(Top 2%)546(Top 4%)546(Top 10%)
23M23.00 mi1.25 mi518+7480+7480+7628(Top 2%)592(Top 4%)592(Top 11%)
24M24.00 mi1.00 mi505+13468+12468+12405(Top 2%)379(Top 2%)379(Top 7%)
40K24.85 mi0.85 mi495+10458+10458+10392(Top 1%)367(Top 2%)367(Top 7%)
25.2M25.20 mi0.35 mi493+2457+1457+1598(Top 2%)565(Top 4%)565(Top 11%)
Finish26.22 mi1.02 mi478+15443+14443+14523(Top 2%)497(Top 3%)497(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

579

Males

536

M18-39

536

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

381

Males

346

M18-39

346

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

579

Males

536

M18-39

536

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1002

Males

952

M18-39

952

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

883

Males

840

M18-39

840

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

660

Males

619

M18-39

619

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

747

Males

709

M18-39

709

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

557

Males

523

M18-39

523

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

852

Males

806

M18-39

806

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

584

Males

546

M18-39

546

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

628

Males

592

M18-39

592

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

405

Males

379

M18-39

379

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

392

Males

367

M18-39

367

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

598

Males

565

M18-39

565

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

523

Males

497

M18-39

497

Passing Analysis

Category:
Athletes Passed
117
Passed By
375
Net Change
-258
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#220
5K → 10K380-77#220#297
10K → 15K070-70#297#367
15K → 20K298-96#367#463
20K → Half116-15#463#478
Half → 25K432-28#478#506
25K → 30K1230-18#506#524
30K → 20M148+6#524#518
20M → 21M1114-3#518#521
21M → 35K48-4#521#525
35K → 23M147+7#525#518
23M → 24M174+13#518#505
24M → 40K133+10#505#495
40K → 25.2M53+2#495#493
25.2M → Finish172+15#493#478
TOTALS117375-258
📊

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