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BOSTON MARATHON 2023

Stephen Peck

Bib: 1168•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 4%
Masters (Masters Men)
#0 / 9891
Top 1%
Division (M45-49)
#0 / 2252
Top 0.9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:05
Rank: #986
Start → 5K
6:09/mi
19:05 split
10K· 6.21 mi
37:47
Rank: #915 (+71)
5K → 10K
6:01/mi
18:42 split
15K· 9.32 mi
56:43
Rank: #913 (+2)
10K → 15K
6:06/mi
18:56 split
20K· 12.43 mi
1:15:56
Rank: #936 (-23)
15K → 20K
6:11/mi
19:13 split
Half· 13.11 mi
1:20:07
Rank: #948 (-12)
20K → Half
6:08/mi
4:11 split
25K· 15.53 mi
1:35:01
Rank: #915 (+33)
Half → 25K
6:09/mi
14:54 split
30K· 18.64 mi
1:54:24
Rank: #868 (+47)
25K → 30K
6:14/mi
19:23 split
20M
2:02:47
Rank: #827 (+41)
30K → 20M
6:10/mi
8:23 split
21M
2:09:09
Rank: #799 (+28)
20M → 21M
6:22/mi
6:22 split
35K· 21.75 mi
2:13:34
Rank: #783 (+16)
21M → 35K
5:54/mi
4:25 split
23M
2:21:16
Rank: #762 (+21)
35K → 23M
6:09/mi
7:42 split
24M
2:27:18
Rank: #741 (+21)
23M → 24M
6:02/mi
6:02 split
40K· 24.85 mi
2:32:31
Rank: #721 (+20)
24M → 40K
6:06/mi
5:13 split
25.2M
2:34:48
Rank: #709 (+12)
40K → 25.2M
6:37/mi
2:17 split
Finish· 26.22 mi
2:41:04
Rank: #707 (+2)
25.2M → Finish
6:09/mi
6:16 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:07
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:20:57
Pace6:11 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2919:056:0919:05
6:09
-
10K
6.21 mi10:38:1137:476:0518:42
6:01
-0:08
15K
9.32 mi10:57:0756:436:0518:56
6:06
+0:05
20K
12.43 mi11:16:201:15:566:0719:13
6:11
+0:05
Half
13.11 mi11:20:311:20:076:074:11
6:08
-0:03
25K
15.53 mi11:35:251:35:016:0714:54
6:09
+0:01
30K
18.64 mi11:54:481:54:246:0819:23
6:14
+0:05
20M
20.00 mi12:03:112:02:476:088:23
6:10
-0:04
21M
21.00 mi12:09:332:09:096:096:22
6:22
+0:12
35K
21.75 mi12:13:582:13:346:084:25
5:54
-0:28
23M
23.00 mi12:21:402:21:166:097:42
6:09
+0:15
24M
24.00 mi12:27:422:27:186:086:02
6:02
-0:07
40K
24.85 mi12:32:552:32:316:085:13
6:06
+0:04
25.2M
25.20 mi12:35:122:34:486:092:17
6:37
+0:31
Finish
26.22 mi12:41:282:41:046:096:16
6:09
-0:28

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

5:54 /mi

Average Pace

6:09 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:47

99% of race

Time at Steady Pace

2:17

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:09 /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 mi10:19:2919:056:0919:05
6:09
#986
10K
6.21 mi10:38:1137:476:0518:42
6:01
#915
15K
9.32 mi10:57:0756:436:0518:56
6:06
#913
20K
12.43 mi11:16:201:15:566:0719:13
6:11
#936
Half
13.11 mi11:20:311:20:076:074:11
6:08
#948
25K
15.53 mi11:35:251:35:016:0714:54
6:09
#915
30K
18.64 mi11:54:481:54:246:0819:23
6:14
#868
20M
20.00 mi12:03:112:02:476:088:23
6:10
#827
21M
21.00 mi12:09:332:09:096:096:22
6:22
#799
35K
21.75 mi12:13:582:13:346:084:25
5:54
#783
23M
23.00 mi12:21:402:21:166:097:42
6:09
#762
24M
24.00 mi12:27:422:27:186:086:02
6:02
#741
40K
24.85 mi12:32:552:32:316:085:13
6:06
#721
25.2M
25.20 mi12:35:122:34:486:092:17
6:37
#709
Finish
26.22 mi12:41:282:41:046:096:16
6:09
#707
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi986930930944(Top 4%)895(Top 6%)895(Top 40%)
10K6.21 mi3.10 mi915+71864+66864+66844(Top 3%)797(Top 5%)797(Top 35%)
15K9.32 mi3.11 mi913+2863+1863+1944(Top 4%)895(Top 6%)895(Top 40%)
20K12.43 mi3.11 mi936-23887-24887-241006(Top 4%)956(Top 6%)956(Top 42%)
Half13.11 mi0.68 mi948-12899-12899-121091(Top 4%)1040(Top 7%)1040(Top 46%)
25K15.53 mi2.42 mi915+33867+32867+32847(Top 3%)802(Top 5%)802(Top 36%)
30K18.64 mi3.11 mi868+47821+46821+46760(Top 3%)722(Top 5%)722(Top 32%)
20M20.00 mi1.36 mi827+41782+39782+39600(Top 2%)565(Top 4%)565(Top 25%)
21M21.00 mi1.00 mi799+28756+26756+26441(Top 2%)408(Top 3%)408(Top 18%)
35K21.75 mi0.75 mi783+16740+16740+16521(Top 2%)485(Top 3%)485(Top 22%)
23M23.00 mi1.25 mi762+21719+21719+21545(Top 2%)514(Top 3%)514(Top 23%)
24M24.00 mi1.00 mi741+21698+21698+21613(Top 2%)580(Top 4%)580(Top 26%)
40K24.85 mi0.85 mi721+20679+19679+19488(Top 2%)459(Top 3%)459(Top 20%)
25.2M25.20 mi0.35 mi709+12667+12667+12691(Top 3%)656(Top 4%)656(Top 29%)
Finish26.22 mi1.02 mi707+2665+2665+21113(Top 4%)1059(Top 7%)1059(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

944

Males

895

M45-49

895

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

844

Males

797

M45-49

797

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

944

Males

895

M45-49

895

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1006

Males

956

M45-49

956

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1091

Males

1040

M45-49

1040

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

847

Males

802

M45-49

802

25K→30K

15.5 - 18.6 mi

Top 3%
×9story building
+181ft-148ft

Overall

760

Males

722

M45-49

722

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

600

Males

565

M45-49

565

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

441

Males

408

M45-49

408

21M→35K

21.0 - 21.8 mi

Top 2%
×7story building
+17ft-86ft

Overall

521

Males

485

M45-49

485

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

545

Males

514

M45-49

514

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

613

Males

580

M45-49

580

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

488

Males

459

M45-49

459

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

691

Males

656

M45-49

656

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1113

Males

1059

M45-49

1059

Passing Analysis

Category:
Athletes Passed
428
Passed By
149
Net Change
+279
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#986
5K → 10K9524+71#986#915
10K → 15K2927+2#915#913
15K → 20K2548-23#913#936
20K → Half113-12#936#948
Half → 25K396+33#948#915
25K → 30K569+47#915#868
30K → 20M432+41#868#827
20M → 21M291+28#827#799
21M → 35K182+16#799#783
35K → 23M243+21#783#762
23M → 24M243+21#762#741
24M → 40K222+20#741#721
40K → 25.2M120+12#721#709
25.2M → Finish119+2#709#707
TOTALS428149+279
📊

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