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BOSTON MARATHON 2023

Eric Sobkowiak

Bib: 18901•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 47%
Division (M55-59)
#0 / 1422
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:37
Rank: #10541
Start → 5K
23:37 | 7:36/mi
10K· 6.21 mi
46:40
Rank: #10128 (+413)
5K → 10K
23:03 | 7:25/mi
15K· 9.32 mi
1:09:40
Rank: #9815 (+313)
10K → 15K
23:00 | 7:24/mi
20K· 12.43 mi
1:33:10
Rank: #9799 (+16)
15K → 20K
23:30 | 7:34/mi
Half· 13.11 mi
1:38:14
Rank: #9786 (+13)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:57:19
Rank: #10061 (-275)
Half → 25K
19:05 | 7:52/mi
30K· 18.64 mi
2:22:33
Rank: #10338 (-277)
25K → 30K
25:14 | 8:07/mi
20M
2:34:25
Rank: #10722 (-384)
30K → 20M
11:52 | 8:44/mi
21M
2:43:09
Rank: #10767 (-45)
20M → 21M
8:44 | 8:44/mi
35K· 21.75 mi
2:49:23
Rank: #10884 (-117)
21M → 35K
6:14 | 8:20/mi
23M
3:00:14
Rank: #11094 (-210)
35K → 23M
10:51 | 8:40/mi
24M
3:08:27
Rank: #11170 (-76)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:15:34
Rank: #11197 (-27)
24M → 40K
7:07 | 8:19/mi
25.2M
3:18:50
Rank: #11276 (-79)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:27:01
Rank: #11297 (-21)
25.2M → Finish
8:11 | 8:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:14
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:48:47
Pace8:18 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4223:377:3623:37
7:36
-
10K
6.21 mi11:37:4546:407:3123:03
7:25
-0:11
15K
9.32 mi12:00:451:09:407:2823:00
7:24
-0:01
20K
12.43 mi12:24:151:33:107:3023:30
7:34
+0:10
Half
13.11 mi12:29:191:38:147:305:04
7:26
-0:08
25K
15.53 mi12:48:241:57:197:3319:05
7:52
+0:26
30K
18.64 mi13:13:382:22:337:3925:14
8:07
+0:15
20M
20.00 mi13:25:302:34:257:4311:52
8:44
+0:37
21M
21.00 mi13:34:142:43:097:468:44
8:44
0:00
35K
21.75 mi13:40:282:49:237:476:14
8:20
-0:24
23M
23.00 mi13:51:193:00:147:5010:51
8:40
+0:20
24M
24.00 mi13:59:323:08:277:518:13
8:13
-0:27
40K
24.85 mi14:06:393:15:347:527:07
8:19
+0:06
25.2M
25.20 mi14:09:553:18:507:533:16
9:28
+1:09
Finish
26.22 mi14:18:063:27:017:548:11
8:02
-1:26

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

7:24 /mi

Average Pace

7:54 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:14

47% of race

Time at Steady Pace

1:14:04

36% of race

Time at Slower Pace

34:43

17% of race

Average Pace: 7:54 /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 mi11:14:4223:377:3623:37
7:36
#10541
10K
6.21 mi11:37:4546:407:3123:03
7:25
#10128
15K
9.32 mi12:00:451:09:407:2823:00
7:24
#9815
20K
12.43 mi12:24:151:33:107:3023:30
7:34
#9799
Half
13.11 mi12:29:191:38:147:305:04
7:26
#9786
25K
15.53 mi12:48:241:57:197:3319:05
7:52
#10061
30K
18.64 mi13:13:382:22:337:3925:14
8:07
#10338
20M
20.00 mi13:25:302:34:257:4311:52
8:44
#10722
21M
21.00 mi13:34:142:43:097:468:44
8:44
#10767
35K
21.75 mi13:40:282:49:237:476:14
8:20
#10884
23M
23.00 mi13:51:193:00:147:5010:51
8:40
#11094
24M
24.00 mi13:59:323:08:277:518:13
8:13
#11170
40K
24.85 mi14:06:393:15:347:527:07
8:19
#11197
25.2M
25.20 mi14:09:553:18:507:533:16
9:28
#11276
Finish
26.22 mi14:18:063:27:017:548:11
8:02
#11297
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10541842384239358(Top 35%)7782(Top 51%)7782(Top 547%)
10K6.21 mi3.10 mi10128+4138222+2018222+2019794(Top 37%)8056(Top 53%)8056(Top 567%)
15K9.32 mi3.11 mi9815+3138051+1718051+1719358(Top 35%)7782(Top 51%)7782(Top 547%)
20K12.43 mi3.11 mi9799+168035+168035+169811(Top 37%)7972(Top 53%)7972(Top 561%)
Half13.11 mi0.68 mi9786+138030+58030+59617(Top 36%)7898(Top 52%)7898(Top 555%)
25K15.53 mi2.42 mi10061-2758159-1298159-12911680(Top 44%)8781(Top 58%)8781(Top 618%)
30K18.64 mi3.11 mi10338-2778254-958254-9511781(Top 44%)8709(Top 57%)8709(Top 612%)
20M20.00 mi1.36 mi10722-3848411-1578411-15715098(Top 57%)10017(Top 66%)10017(Top 704%)
21M21.00 mi1.00 mi10767-458416-58416-511820(Top 44%)8483(Top 56%)8483(Top 597%)
35K21.75 mi0.75 mi10884-1178453-378453-3714239(Top 53%)9517(Top 63%)9517(Top 669%)
23M23.00 mi1.25 mi11094-2108537-848537-8414139(Top 53%)9419(Top 62%)9419(Top 662%)
24M24.00 mi1.00 mi11170-768543-68543-612698(Top 48%)8713(Top 57%)8713(Top 613%)
40K24.85 mi0.85 mi11197-278531+128531+1212181(Top 46%)8391(Top 55%)8391(Top 590%)
25.2M25.20 mi0.35 mi11276-798554-238554-2314978(Top 56%)9654(Top 64%)9654(Top 679%)
Finish26.22 mi1.02 mi11297-218545+98545+912322(Top 46%)8436(Top 56%)8436(Top 593%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9358

Males

7782

M55-59

7782

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9794

Males

8056

M55-59

8056

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9358

Males

7782

M55-59

7782

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9811

Males

7972

M55-59

7972

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9617

Males

7898

M55-59

7898

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11680

Males

8781

M55-59

8781

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11781

Males

8709

M55-59

8709

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15098

Males

10017

M55-59

10017

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11820

Males

8483

M55-59

8483

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14239

Males

9517

M55-59

9517

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14139

Males

9419

M55-59

9419

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12698

Males

8713

M55-59

8713

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12181

Males

8391

M55-59

8391

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14978

Males

9654

M55-59

9654

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12322

Males

8436

M55-59

8436

Passing Analysis

Category:
Athletes Passed
1577*
Passed By
2331
Net Change
-756
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10541
5K → 10K550*137+413#10541#10128
10K → 15K367*54+313#10128#9815
15K → 20K162*146+16#9815#9799
20K → Half3320+13#9799#9786
Half → 25K61334-275#9786#10061
25K → 30K88365-277#10061#10338
30K → 20M18*402-384#10338#10722
20M → 21M55100-45#10722#10767
21M → 35K24141-117#10767#10884
35K → 23M43253-210#10884#11094
23M → 24M43119-76#11094#11170
24M → 40K5481-27#11170#11197
40K → 25.2M1493-79#11197#11276
25.2M → Finish6586-21#11276#11297
TOTALS1577*2331-756

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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