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BOSTON MARATHON 2023

Marcin Sobolewski

Bib: 1396•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Masters (Masters Men)
#0 / 9891
Top 3%
Division (M45-49)
#0 / 2252
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:20
Rank: #1182
Start → 5K
19:20 | 6:13/mi
10K· 6.21 mi
38:44
Rank: #1313 (-131)
5K → 10K
19:24 | 6:15/mi
15K· 9.32 mi
58:25
Rank: #1445 (-132)
10K → 15K
19:41 | 6:20/mi
20K· 12.43 mi
1:18:30
Rank: #1594 (-149)
15K → 20K
20:05 | 6:28/mi
Half· 13.11 mi
1:22:54
Rank: #1640 (-46)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:38:39
Rank: #1703 (-63)
Half → 25K
15:45 | 6:30/mi
30K· 18.64 mi
1:59:12
Rank: #1703
25K → 30K
20:33 | 6:37/mi
20M
2:08:14
Rank: #1714 (-11)
30K → 20M
9:02 | 6:39/mi
21M
2:15:13
Rank: #1717 (-3)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:20:05
Rank: #1732 (-15)
21M → 35K
4:52 | 6:30/mi
23M
2:28:22
Rank: #1724 (+8)
35K → 23M
8:17 | 6:37/mi
24M
2:34:48
Rank: #1711 (+13)
23M → 24M
6:26 | 6:26/mi
40K· 24.85 mi
2:40:26
Rank: #1685 (+26)
24M → 40K
5:38 | 6:35/mi
25.2M
2:42:50
Rank: #1674 (+11)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:49:14
Rank: #1648 (+26)
25.2M → Finish
6:24 | 6:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:54
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:26:20
Pace6:35 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3919:206:1319:20
6:13
-
10K
6.21 mi10:39:0338:446:1419:24
6:15
+0:02
15K
9.32 mi10:58:4458:256:1619:41
6:20
+0:05
20K
12.43 mi11:18:491:18:306:1920:05
6:28
+0:08
Half
13.11 mi11:23:131:22:546:194:24
6:27
-0:01
25K
15.53 mi11:38:581:38:396:2115:45
6:30
+0:03
30K
18.64 mi11:59:311:59:126:2420:33
6:37
+0:07
20M
20.00 mi12:08:332:08:146:259:02
6:39
+0:02
21M
21.00 mi12:15:322:15:136:266:59
6:59
+0:20
35K
21.75 mi12:20:242:20:056:264:52
6:30
-0:29
23M
23.00 mi12:28:412:28:226:278:17
6:37
+0:07
24M
24.00 mi12:35:072:34:486:276:26
6:26
-0:11
40K
24.85 mi12:40:452:40:266:275:38
6:35
+0:09
25.2M
25.20 mi12:43:092:42:506:282:24
6:58
+0:23
Finish
26.22 mi12:49:332:49:146:286:24
6:17
-0:41

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

6:13 /mi

Average Pace

6:28 /mi

Slowest Pace

6:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:51

94% of race

Time at Steady Pace

9:23

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:27 /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 mi10:19:3919:206:1319:20
6:13
#1182
10K
6.21 mi10:39:0338:446:1419:24
6:15
#1313
15K
9.32 mi10:58:4458:256:1619:41
6:20
#1445
20K
12.43 mi11:18:491:18:306:1920:05
6:28
#1594
Half
13.11 mi11:23:131:22:546:194:24
6:27
#1640
25K
15.53 mi11:38:581:38:396:2115:45
6:30
#1703
30K
18.64 mi11:59:311:59:126:2420:33
6:37
#1703
20M
20.00 mi12:08:332:08:146:259:02
6:39
#1714
21M
21.00 mi12:15:322:15:136:266:59
6:59
#1717
35K
21.75 mi12:20:242:20:056:264:52
6:30
#1732
23M
23.00 mi12:28:412:28:226:278:17
6:37
#1724
24M
24.00 mi12:35:072:34:486:276:26
6:26
#1711
40K
24.85 mi12:40:452:40:266:275:38
6:35
#1685
25.2M
25.20 mi12:43:092:42:506:282:24
6:58
#1674
Finish
26.22 mi12:49:332:49:146:286:24
6:17
#1648
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1182112011201807(Top 7%)1730(Top 11%)1730(Top 77%)
10K6.21 mi3.10 mi1313-1311247-1271247-1271528(Top 6%)1461(Top 10%)1461(Top 65%)
15K9.32 mi3.11 mi1445-1321380-1331380-1331807(Top 7%)1730(Top 11%)1730(Top 77%)
20K12.43 mi3.11 mi1594-1491523-1431523-1432088(Top 8%)2003(Top 13%)2003(Top 89%)
Half13.11 mi0.68 mi1640-461569-461569-462426(Top 9%)2325(Top 15%)2325(Top 103%)
25K15.53 mi2.42 mi1703-631631-621631-622136(Top 8%)2049(Top 14%)2049(Top 91%)
30K18.64 mi3.11 mi17031628+31628+32007(Top 8%)1920(Top 13%)1920(Top 85%)
20M20.00 mi1.36 mi1714-111640-121640-122041(Top 8%)1945(Top 13%)1945(Top 86%)
21M21.00 mi1.00 mi1717-31643-31643-32057(Top 8%)1943(Top 13%)1943(Top 86%)
35K21.75 mi0.75 mi1732-151658-151658-152396(Top 9%)2268(Top 15%)2268(Top 101%)
23M23.00 mi1.25 mi1724+81649+91649+91817(Top 7%)1721(Top 11%)1721(Top 76%)
24M24.00 mi1.00 mi1711+131636+131636+131799(Top 7%)1695(Top 11%)1695(Top 75%)
40K24.85 mi0.85 mi1685+261610+261610+261855(Top 7%)1746(Top 12%)1746(Top 78%)
25.2M25.20 mi0.35 mi1674+111599+111599+111610(Top 6%)1516(Top 10%)1516(Top 67%)
Finish26.22 mi1.02 mi1648+261572+271572+271538(Top 6%)1453(Top 10%)1453(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1807

Males

1730

M45-49

1730

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1528

Males

1461

M45-49

1461

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1807

Males

1730

M45-49

1730

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2088

Males

2003

M45-49

2003

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2426

Males

2325

M45-49

2325

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2136

Males

2049

M45-49

2049

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2007

Males

1920

M45-49

1920

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2041

Males

1945

M45-49

1945

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2057

Males

1943

M45-49

1943

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2396

Males

2268

M45-49

2268

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1817

Males

1721

M45-49

1721

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1799

Males

1695

M45-49

1695

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1855

Males

1746

M45-49

1746

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1610

Males

1516

M45-49

1516

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1538

Males

1453

M45-49

1453

Passing Analysis

Category:
Athletes Passed
346
Passed By
812
Net Change
-466
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1182
5K → 10K20151-131#1182#1313
10K → 15K17149-132#1313#1445
15K → 20K12161-149#1445#1594
20K → Half349-46#1594#1640
Half → 25K1982-63#1640#1703
25K → 30K55550#1703#1703
30K → 20M2940-11#1703#1714
20M → 21M2023-3#1714#1717
21M → 35K1530-15#1717#1732
35K → 23M3123+8#1732#1724
23M → 24M2714+13#1724#1711
24M → 40K4216+26#1711#1685
40K → 25.2M176+11#1685#1674
25.2M → Finish3913+26#1674#1648
TOTALS346812-466
📊

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