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BOSTON MARATHON 2023

Ithamar Jotkowitz

Bib: 32024•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:56
Rank: #21565
Start → 5K
28:56 | 9:19/mi
10K· 6.21 mi
57:27
Rank: #21551 (+14)
5K → 10K
28:31 | 9:11/mi
15K· 9.32 mi
1:26:03
Rank: #21471 (+80)
10K → 15K
28:36 | 9:12/mi
20K· 12.43 mi
1:55:25
Rank: #21468 (+3)
15K → 20K
29:22 | 9:27/mi
Half· 13.11 mi
2:01:38
Rank: #21435 (+33)
20K → Half
6:13 | 9:07/mi
25K· 15.53 mi
2:24:31
Rank: #21296 (+139)
Half → 25K
22:53 | 9:26/mi
30K· 18.64 mi
2:55:50
Rank: #21271 (+25)
25K → 30K
31:19 | 10:05/mi
20M
3:10:35
Rank: #21380 (-109)
30K → 20M
14:45 | 10:51/mi
21M
3:22:08
Rank: #21422 (-42)
20M → 21M
11:33 | 11:33/mi
35K· 21.75 mi
3:30:34
Rank: #21549 (-127)
21M → 35K
8:26 | 11:16/mi
23M
3:45:45
Rank: #21794 (-245)
35K → 23M
15:11 | 12:08/mi
24M
3:56:37
Rank: #21842 (-48)
23M → 24M
10:52 | 10:52/mi
40K· 24.85 mi
4:07:12
Rank: #21976 (-134)
24M → 40K
10:35 | 12:23/mi
25.2M
4:12:07
Rank: #22061 (-85)
40K → 25.2M
4:55 | 14:15/mi
Finish· 26.22 mi
4:23:38
Rank: #22160 (-99)
25.2M → Finish
11:31 | 11:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:38
Pace9:17 /mi
2nd Half
Distance13.11 mi
Time2:22:00
Pace10:50 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2328:569:1928:56
9:19
-
10K
6.21 mi12:19:5457:279:1528:31
9:11
-0:08
15K
9.32 mi12:48:301:26:039:1428:36
9:12
+0:01
20K
12.43 mi13:17:521:55:259:1729:22
9:27
+0:15
Half
13.11 mi13:24:052:01:389:176:13
9:07
-0:20
25K
15.53 mi13:46:582:24:319:1822:53
9:26
+0:19
30K
18.64 mi14:18:172:55:509:2631:19
10:05
+0:39
20M
20.00 mi14:33:023:10:359:3214:45
10:51
+0:46
21M
21.00 mi14:44:353:22:089:3811:33
11:33
+0:42
35K
21.75 mi14:53:013:30:349:418:26
11:16
-0:17
23M
23.00 mi15:08:123:45:459:4915:11
12:08
+0:52
24M
24.00 mi15:19:043:56:379:5210:52
10:52
-1:16
40K
24.85 mi15:29:394:07:129:5710:35
12:23
+1:31
25.2M
25.20 mi15:34:344:12:0710:004:55
14:15
+1:52
Finish
26.22 mi15:46:054:23:3810:0411:31
11:18
-2:57

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

9:07 /mi

Average Pace

10:04 /mi

Slowest Pace

14:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:50

67% of race

Time at Steady Pace

57:07

22% of race

Time at Slower Pace

30:41

12% of race

Average Pace: 10:03 /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 mi11:51:2328:569:1928:56
9:19
#21565
10K
6.21 mi12:19:5457:279:1528:31
9:11
#21551
15K
9.32 mi12:48:301:26:039:1428:36
9:12
#21471
20K
12.43 mi13:17:521:55:259:1729:22
9:27
#21468
Half
13.11 mi13:24:052:01:389:176:13
9:07
#21435
25K
15.53 mi13:46:582:24:319:1822:53
9:26
#21296
30K
18.64 mi14:18:172:55:509:2631:19
10:05
#21271
20M
20.00 mi14:33:023:10:359:3214:45
10:51
#21380
21M
21.00 mi14:44:353:22:089:3811:33
11:33
#21422
35K
21.75 mi14:53:013:30:349:418:26
11:16
#21549
23M
23.00 mi15:08:123:45:459:4915:11
12:08
#21794
24M
24.00 mi15:19:043:56:379:5210:52
10:52
#21842
40K
24.85 mi15:29:394:07:129:5710:35
12:23
#21976
25.2M
25.20 mi15:34:344:12:0710:004:55
14:15
#22061
Finish
26.22 mi15:46:054:23:3810:0411:31
11:18
#22160
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi21565128701287021322(Top 80%)12893(Top 85%)12893(Top 575%)
10K6.21 mi3.10 mi21551+1412927-5712927-5721552(Top 81%)12957(Top 85%)12957(Top 578%)
15K9.32 mi3.11 mi21471+8012910+1712910+1721322(Top 80%)12893(Top 85%)12893(Top 575%)
20K12.43 mi3.11 mi21468+3129101291021394(Top 80%)12912(Top 85%)12912(Top 576%)
Half13.11 mi0.68 mi21435+3312903+712903+720861(Top 78%)12680(Top 84%)12680(Top 566%)
25K15.53 mi2.42 mi21296+13912845+5812845+5820629(Top 77%)12545(Top 83%)12545(Top 560%)
30K18.64 mi3.11 mi21271+2512818+2712818+2721236(Top 80%)12732(Top 84%)12732(Top 568%)
20M20.00 mi1.36 mi21380-10912849-3112849-3122429(Top 84%)13194(Top 87%)13194(Top 589%)
21M21.00 mi1.00 mi21422-4212865-1612865-1621954(Top 82%)12965(Top 85%)12965(Top 579%)
35K21.75 mi0.75 mi21549-12712915-5012915-5023751(Top 89%)13711(Top 90%)13711(Top 612%)
23M23.00 mi1.25 mi21794-24513007-9213007-9224157(Top 91%)13921(Top 92%)13921(Top 621%)
24M24.00 mi1.00 mi21842-4813024-1713024-1722772(Top 86%)13240(Top 87%)13240(Top 591%)
40K24.85 mi0.85 mi21976-13413079-5513079-5524309(Top 91%)13946(Top 92%)13946(Top 622%)
25.2M25.20 mi0.35 mi22061-8513115-3613115-3625181(Top 95%)14373(Top 95%)14373(Top 641%)
Finish26.22 mi1.02 mi22160-9913148-3313148-3324424(Top 92%)14034(Top 92%)14034(Top 626%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21322

Males

12893

M40-44

12893

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

21552

Males

12957

M40-44

12957

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21322

Males

12893

M40-44

12893

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21394

Males

12912

M40-44

12912

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20861

Males

12680

M40-44

12680

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20629

Males

12545

M40-44

12545

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21236

Males

12732

M40-44

12732

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22429

Males

13194

M40-44

13194

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21954

Males

12965

M40-44

12965

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

23751

Males

13711

M40-44

13711

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24157

Males

13921

M40-44

13921

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22772

Males

13240

M40-44

13240

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24309

Males

13946

M40-44

13946

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25181

Males

14373

M40-44

14373

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24424

Males

14034

M40-44

14034

Passing Analysis

Category:
Athletes Passed
1167
Passed By
1762
Net Change
-595
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21565
5K → 10K295281+14#21565#21551
10K → 15K209129+80#21551#21471
15K → 20K136133+3#21471#21468
20K → Half4714+33#21468#21435
Half → 25K16829+139#21435#21296
25K → 30K139114+25#21296#21271
30K → 20M50159-109#21271#21380
20M → 21M4688-42#21380#21422
21M → 35K9136-127#21422#21549
35K → 23M22267-245#21549#21794
23M → 24M1967-48#21794#21842
24M → 40K12146-134#21842#21976
40K → 25.2M489-85#21976#22061
25.2M → Finish11110-99#22061#22160
TOTALS11671762-595
📊

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