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BOSTON MARATHON 2023

Jesse Fajnzylber

Bib: 1933•M

OH

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0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 16%
Division (M18-39)
#0 / 5285
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:06
Rank: #1014
Start → 5K
19:06 | 6:09/mi
10K· 6.21 mi
38:02
Rank: #1018 (-4)
5K → 10K
18:56 | 6:06/mi
15K· 9.32 mi
57:02
Rank: #1011 (+7)
10K → 15K
19:00 | 6:07/mi
20K· 12.43 mi
1:16:19
Rank: #1013 (-2)
15K → 20K
19:17 | 6:12/mi
Half· 13.11 mi
1:20:36
Rank: #1035 (-22)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:36:36
Rank: #1181 (-146)
Half → 25K
16:00 | 6:36/mi
30K· 18.64 mi
1:59:00
Rank: #1670 (-489)
25K → 30K
22:24 | 7:13/mi
20M
2:08:57
Rank: #1887 (-217)
30K → 20M
9:57 | 7:19/mi
21M
2:16:51
Rank: #2087 (-200)
20M → 21M
7:54 | 7:54/mi
35K· 21.75 mi
2:22:02
Rank: #2163 (-76)
21M → 35K
5:11 | 6:56/mi
23M
2:31:08
Rank: #2271 (-108)
35K → 23M
9:06 | 7:16/mi
24M
2:38:14
Rank: #2357 (-86)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
2:44:16
Rank: #2376 (-19)
24M → 40K
6:02 | 7:03/mi
25.2M
2:46:58
Rank: #2398 (-22)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:53:59
Rank: #2470 (-72)
25.2M → Finish
7:01 | 6:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:36
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:33:23
Pace7:07 /mi
📊Positive Split: 15.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4219:066:0919:06
6:09
-
10K
6.21 mi10:38:3838:026:0718:56
6:06
-0:03
15K
9.32 mi10:57:3857:026:0719:00
6:07
+0:01
20K
12.43 mi11:16:551:16:196:0819:17
6:12
+0:05
Half
13.11 mi11:21:121:20:366:094:17
6:17
+0:05
25K
15.53 mi11:37:121:36:366:1316:00
6:36
+0:19
30K
18.64 mi11:59:361:59:006:2322:24
7:13
+0:37
20M
20.00 mi12:09:332:08:576:279:57
7:19
+0:06
21M
21.00 mi12:17:272:16:516:317:54
7:54
+0:35
35K
21.75 mi12:22:382:22:026:325:11
6:56
-0:58
23M
23.00 mi12:31:442:31:086:349:06
7:16
+0:20
24M
24.00 mi12:38:502:38:146:367:06
7:06
-0:10
40K
24.85 mi12:44:522:44:166:376:02
7:03
-0:03
25.2M
25.20 mi12:47:342:46:586:382:42
7:50
+0:47
Finish
26.22 mi12:54:352:53:596:387:01
6:53
-0:57

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

6:06 /mi

Average Pace

6:38 /mi

Slowest Pace

7:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:36

56% of race

Time at Steady Pace

47:44

27% of race

Time at Slower Pace

29:39

17% of race

Average Pace: 6:38 /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 mi10:19:4219:066:0919:06
6:09
#1014
10K
6.21 mi10:38:3838:026:0718:56
6:06
#1018
15K
9.32 mi10:57:3857:026:0719:00
6:07
#1011
20K
12.43 mi11:16:551:16:196:0819:17
6:12
#1013
Half
13.11 mi11:21:121:20:366:094:17
6:17
#1035
25K
15.53 mi11:37:121:36:366:1316:00
6:36
#1181
30K
18.64 mi11:59:361:59:006:2322:24
7:13
#1670
20M
20.00 mi12:09:332:08:576:279:57
7:19
#1887
21M
21.00 mi12:17:272:16:516:317:54
7:54
#2087
35K
21.75 mi12:22:382:22:026:325:11
6:56
#2163
23M
23.00 mi12:31:442:31:086:349:06
7:16
#2271
24M
24.00 mi12:38:502:38:146:367:06
7:06
#2357
40K
24.85 mi12:44:522:44:166:376:02
7:03
#2376
25.2M
25.20 mi12:47:342:46:586:382:42
7:50
#2398
Finish
26.22 mi12:54:352:53:596:387:01
6:53
#2470
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10149589581011(Top 4%)962(Top 6%)962(Top 18%)
10K6.21 mi3.10 mi1018-4962-4962-41050(Top 4%)998(Top 7%)998(Top 19%)
15K9.32 mi3.11 mi1011+7958+4958+41011(Top 4%)962(Top 6%)962(Top 18%)
20K12.43 mi3.11 mi1013-2961-3961-31068(Top 4%)1017(Top 7%)1017(Top 19%)
Half13.11 mi0.68 mi1035-22983-22983-221732(Top 7%)1662(Top 11%)1662(Top 31%)
25K15.53 mi2.42 mi1181-1461126-1431126-1432694(Top 10%)2578(Top 17%)2578(Top 49%)
30K18.64 mi3.11 mi1670-4891595-4691595-4695544(Top 21%)5025(Top 33%)5025(Top 95%)
20M20.00 mi1.36 mi1887-2171805-2101805-2105722(Top 21%)5082(Top 33%)5082(Top 96%)
21M21.00 mi1.00 mi2087-2002000-1952000-1956685(Top 25%)5654(Top 37%)5654(Top 107%)
35K21.75 mi0.75 mi2163-762072-722072-724877(Top 18%)4383(Top 29%)4383(Top 83%)
23M23.00 mi1.25 mi2271-1082175-1032175-1035112(Top 19%)4539(Top 30%)4539(Top 86%)
24M24.00 mi1.00 mi2357-862256-812256-815166(Top 19%)4539(Top 30%)4539(Top 86%)
40K24.85 mi0.85 mi2376-192272-162272-164098(Top 15%)3659(Top 24%)3659(Top 69%)
25.2M25.20 mi0.35 mi2398-222293-212293-215426(Top 20%)4525(Top 30%)4525(Top 86%)
Finish26.22 mi1.02 mi2470-722358-652358-654507(Top 17%)3915(Top 26%)3915(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1011

Males

962

M18-39

962

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1050

Males

998

M18-39

998

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1011

Males

962

M18-39

962

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1068

Males

1017

M18-39

1017

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1732

Males

1662

M18-39

1662

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2694

Males

2578

M18-39

2578

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5544

Males

5025

M18-39

5025

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5722

Males

5082

M18-39

5082

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6685

Males

5654

M18-39

5654

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4877

Males

4383

M18-39

4383

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5112

Males

4539

M18-39

4539

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5166

Males

4539

M18-39

4539

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4098

Males

3659

M18-39

3659

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5426

Males

4525

M18-39

4525

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4507

Males

3915

M18-39

3915

Passing Analysis

Category:
Athletes Passed
180
Passed By
1636
Net Change
-1456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1014
5K → 10K4852-4#1014#1018
10K → 15K3124+7#1018#1011
15K → 20K2123-2#1011#1013
20K → Half123-22#1013#1035
Half → 25K5151-146#1035#1181
25K → 30K5494-489#1181#1670
30K → 20M2219-217#1670#1887
20M → 21M4204-200#1887#2087
21M → 35K379-76#2087#2163
35K → 23M10118-108#2163#2271
23M → 24M1096-86#2271#2357
24M → 40K2039-19#2357#2376
40K → 25.2M729-22#2376#2398
25.2M → Finish1385-72#2398#2470
TOTALS1801636-1456
📊

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