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BOSTON MARATHON 2023

Chris Shaw

Bib: 1461•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:39
Rank: #694
Start → 5K
6:00/mi
18:39 split
10K· 6.21 mi
37:24
Rank: #773 (-79)
5K → 10K
6:02/mi
18:45 split
15K· 9.32 mi
56:15
Rank: #792 (-19)
10K → 15K
6:04/mi
18:51 split
20K· 12.43 mi
1:15:15
Rank: #786 (+6)
15K → 20K
6:07/mi
19:00 split
Half· 13.11 mi
1:19:23
Rank: #792 (-6)
20K → Half
6:03/mi
4:08 split
25K· 15.53 mi
1:34:17
Rank: #776 (+16)
Half → 25K
6:09/mi
14:54 split
30K· 18.64 mi
1:53:45
Rank: #782 (-6)
25K → 30K
6:16/mi
19:28 split
20M
2:02:18
Rank: #780 (+2)
30K → 20M
6:18/mi
8:33 split
21M
2:09:02
Rank: #786 (-6)
20M → 21M
6:44/mi
6:44 split
35K· 21.75 mi
2:13:33
Rank: #782 (+4)
21M → 35K
6:02/mi
4:31 split
23M
2:21:35
Rank: #776 (+6)
35K → 23M
6:25/mi
8:02 split
24M
2:27:50
Rank: #783 (-7)
23M → 24M
6:15/mi
6:15 split
40K· 24.85 mi
2:33:26
Rank: #786 (-3)
24M → 40K
6:33/mi
5:36 split
25.2M
2:35:50
Rank: #783 (+3)
40K → 25.2M
6:58/mi
2:24 split
Finish· 26.22 mi
2:42:04
Rank: #771 (+12)
25.2M → Finish
6:07/mi
6:14 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:23
Pace6:03 /mi
2nd Half
Distance13.11 mi
Time1:22:41
Pace6:18 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5318:396:0018:39
6:00
-
10K
6.21 mi10:37:3837:246:0118:45
6:02
+0:02
15K
9.32 mi10:56:2956:156:0218:51
6:04
+0:02
20K
12.43 mi11:15:291:15:156:0319:00
6:07
+0:03
Half
13.11 mi11:19:371:19:236:034:08
6:03
-0:04
25K
15.53 mi11:34:311:34:176:0414:54
6:09
+0:06
30K
18.64 mi11:53:591:53:456:0619:28
6:16
+0:07
20M
20.00 mi12:02:322:02:186:078:33
6:18
+0:02
21M
21.00 mi12:09:162:09:026:096:44
6:44
+0:26
35K
21.75 mi12:13:472:13:336:084:31
6:02
-0:42
23M
23.00 mi12:21:492:21:356:098:02
6:25
+0:23
24M
24.00 mi12:28:042:27:506:106:15
6:15
-0:10
40K
24.85 mi12:33:402:33:266:105:36
6:33
+0:18
25.2M
25.20 mi12:36:042:35:506:112:24
6:58
+0:25
Finish
26.22 mi12:42:182:42:046:116:14
6:07
-0:51

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

6:00 /mi

Average Pace

6:11 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:56

94% of race

Time at Steady Pace

9:08

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:11 /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 mi10:18:5318:396:0018:39
6:00
#694
10K
6.21 mi10:37:3837:246:0118:45
6:02
#773
15K
9.32 mi10:56:2956:156:0218:51
6:04
#792
20K
12.43 mi11:15:291:15:156:0319:00
6:07
#786
Half
13.11 mi11:19:371:19:236:034:08
6:03
#792
25K
15.53 mi11:34:311:34:176:0414:54
6:09
#776
30K
18.64 mi11:53:591:53:456:0619:28
6:16
#782
20M
20.00 mi12:02:322:02:186:078:33
6:18
#780
21M
21.00 mi12:09:162:09:026:096:44
6:44
#786
35K
21.75 mi12:13:472:13:336:084:31
6:02
#782
23M
23.00 mi12:21:492:21:356:098:02
6:25
#776
24M
24.00 mi12:28:042:27:506:106:15
6:15
#783
40K
24.85 mi12:33:402:33:266:105:36
6:33
#786
25.2M
25.20 mi12:36:042:35:506:112:24
6:58
#783
Finish
26.22 mi12:42:182:42:046:116:14
6:07
#771
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi694649649871(Top 3%)824(Top 5%)824(Top 16%)
10K6.21 mi3.10 mi773-79728-79728-79895(Top 3%)846(Top 6%)846(Top 16%)
15K9.32 mi3.11 mi792-19747-19747-19871(Top 3%)824(Top 5%)824(Top 16%)
20K12.43 mi3.11 mi786+6741+6741+6819(Top 3%)775(Top 5%)775(Top 15%)
Half13.11 mi0.68 mi792-6747-6747-6906(Top 3%)863(Top 6%)863(Top 16%)
25K15.53 mi2.42 mi776+16731+16731+16850(Top 3%)805(Top 5%)805(Top 15%)
30K18.64 mi3.11 mi782-6740-9740-9819(Top 3%)779(Top 5%)779(Top 15%)
20M20.00 mi1.36 mi780+2738+2738+2846(Top 3%)805(Top 5%)805(Top 15%)
21M21.00 mi1.00 mi786-6743-5743-51184(Top 4%)1126(Top 7%)1126(Top 21%)
35K21.75 mi0.75 mi782+4739+4739+4763(Top 3%)722(Top 5%)722(Top 14%)
23M23.00 mi1.25 mi776+6733+6733+61133(Top 4%)1069(Top 7%)1069(Top 20%)
24M24.00 mi1.00 mi783-7739-6739-61169(Top 4%)1106(Top 7%)1106(Top 21%)
40K24.85 mi0.85 mi786-3743-4743-41703(Top 6%)1601(Top 11%)1601(Top 30%)
25.2M25.20 mi0.35 mi783+3740+3740+31567(Top 6%)1473(Top 10%)1473(Top 28%)
Finish26.22 mi1.02 mi771+12727+13727+131025(Top 4%)974(Top 6%)974(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

871

Males

824

M18-39

824

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

895

Males

846

M18-39

846

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

871

Males

824

M18-39

824

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

819

Males

775

M18-39

775

20K→Half

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

906

Males

863

M18-39

863

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

850

Males

805

M18-39

805

25K→30K

15.5 - 18.6 mi

Top 3%
×9story building
+181ft-148ft

Overall

819

Males

779

M18-39

779

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

846

Males

805

M18-39

805

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1184

Males

1126

M18-39

1126

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

763

Males

722

M18-39

722

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1133

Males

1069

M18-39

1069

23M→24M

23.0 - 24.0 mi

Top 4%
×6story building
+12ft-82ft

Overall

1169

Males

1106

M18-39

1106

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1703

Males

1601

M18-39

1601

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1567

Males

1473

M18-39

1473

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1025

Males

974

M18-39

974

Passing Analysis

Category:
Athletes Passed
200
Passed By
277
Net Change
-77
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#694
5K → 10K1190-79#694#773
10K → 15K1332-19#773#792
15K → 20K2418+6#792#786
20K → Half28-6#786#792
Half → 25K3418+16#792#776
25K → 30K2127-6#776#782
30K → 20M119+2#782#780
20M → 21M1218-6#780#786
21M → 35K95+4#786#782
35K → 23M1812+6#782#776
23M → 24M714-7#776#783
24M → 40K1114-3#783#786
40K → 25.2M85+3#786#783
25.2M → Finish197+12#783#771
TOTALS200277-77
📊

Passing Visuals

Category:
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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