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BOSTON MARATHON 2023

Steven Pegg

Bib: 27731 M GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:10/mi
28:28
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:34/mi
55:05
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:42/mi
1:22:06
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:09/mi
1:50:33
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:20/mi
1:56:55
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:37/mi
2:20:14
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:43/mi
2:53:32
↑ 181↓ 1480.2%
138 ft elev
20M
11:43/mi
3:09:28
↑ 64↓ 500.2%
148 ft elev
21M
12:29/mi
3:21:57
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:11/mi
3:30:19
↑ 17↓ 861.7%
156 ft elev
23M
12:23/mi
3:45:49
↑ 23↓ 630.6%
116 ft elev
24M
10:19/mi
3:56:08
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:50/mi
4:06:15
↓ 200.3%
20 ft elev
25.2M
13:09/mi
4:10:47
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
12:04/mi
4:23:05
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:56:558:55 /mi⚡ faster
2nd Half
2:26:1011:09 /mi+25.0%
Positive split — 25.0% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0128:289:1028:28
9:10
-
10K
6.21 mi12:14:3855:058:5226:37
8:34
-0:36
15K
9.32 mi12:41:391:22:068:4927:01
8:42
+0:08
20K
12.43 mi13:10:061:50:338:5428:27
9:09
+0:27
Half
13.11 mi13:16:281:56:558:556:22
9:20
+0:11
25K
15.53 mi13:39:472:20:149:0223:19
9:37
+0:17
30K
18.64 mi14:13:052:53:329:1933:18
10:43
+1:06
20M
20.00 mi14:29:013:09:289:2815:56
11:43
+1:00
21M
21.00 mi14:41:303:21:579:3712:29
12:29
+0:46
35K
21.75 mi14:49:523:30:199:408:22
11:11
-1:18
23M
23.00 mi15:05:223:45:499:4915:30
12:23
+1:12
24M
24.00 mi15:15:413:56:089:5010:19
10:19
-2:04
40K
24.85 mi15:25:484:06:159:5410:07
11:50
+1:31
25.2M
25.20 mi15:30:204:10:479:574:32
13:09
+1:19
Finish
26.22 mi15:42:384:23:0510:0212:18
12:04
-1:05

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

8:34 /mi

Average Pace

10:02 /mi

Slowest Pace

13:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:14

53% of race

Time at Steady Pace

51:59

20% of race

Time at Slower Pace

1:10:52

27% of race

Average Pace: 10:02 /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 mi11:48:0128:289:1028:28
9:10
#21086
10K
6.21 mi12:14:3855:058:5226:37
8:34
#20012
15K
9.32 mi12:41:391:22:068:4927:01
8:42
#19642
20K
12.43 mi13:10:061:50:338:5428:27
9:09
#19843
Half
13.11 mi13:16:281:56:558:556:22
9:20
#19959
25K
15.53 mi13:39:472:20:149:0223:19
9:37
#20257
30K
18.64 mi14:13:052:53:329:1933:18
10:43
#20863
20M
20.00 mi14:29:013:09:289:2815:56
11:43
#21195
21M
21.00 mi14:41:303:21:579:3712:29
12:29
#21397
35K
21.75 mi14:49:523:30:199:408:22
11:11
#21509
23M
23.00 mi15:05:223:45:499:4915:30
12:23
#21804
24M
24.00 mi15:15:413:56:089:5010:19
10:19
#21797
40K
24.85 mi15:25:484:06:159:5410:07
11:50
#21886
25.2M
25.20 mi15:30:204:10:479:574:32
13:09
#21938
Finish
26.22 mi15:42:384:23:0510:0212:18
12:04
#22112
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi210861265012650189541186311863
10K6.21 mi3.10 mi20012+107412221+42912221+429186581176911769
15K9.32 mi3.11 mi19642+37012088+13312088+133189541186311863
20K12.43 mi3.11 mi19843-20112199-11112199-111203931247612476
Half13.11 mi0.68 mi19959-11612239-4012239-40216161302113021
25K15.53 mi2.42 mi20257-29812387-14812387-148211791278912789
30K18.64 mi3.11 mi20863-60612651-26412651-264226381335313353
20M20.00 mi1.36 mi21195-33212761-11012761-110238461383313833
21M21.00 mi1.00 mi21397-20212852-9112852-91234281363013630
35K21.75 mi0.75 mi21509-11212895-4312895-43236161364513645
23M23.00 mi1.25 mi21804-29513013-11813013-118244601406914069
24M24.00 mi1.00 mi21797+713003+1013003+10216041269012690
40K24.85 mi0.85 mi21886-8913032-2913032-29236701361813618
25.2M25.20 mi0.35 mi21938-5213054-2213054-22241181384613846
Finish26.22 mi1.02 mi22112-17413123-6913123-69252851445114451

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18954

Males

11863

M50-54

11863

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18658

Males

11769

M50-54

11769

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18954

Males

11863

M50-54

11863

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20393

Males

12476

M50-54

12476

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21616

Males

13021

M50-54

13021

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

21179

Males

12789

M50-54

12789

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22638

Males

13353

M50-54

13353

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

23846

Males

13833

M50-54

13833

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23428

Males

13630

M50-54

13630

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

23616

Males

13645

M50-54

13645

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24460

Males

14069

M50-54

14069

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21604

Males

12690

M50-54

12690

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23670

Males

13618

M50-54

13618

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24118

Males

13846

M50-54

13846

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

25285

Males

14451

M50-54

14451

Passing Analysis

Category:
Athletes Passed
1877
Passed By
2903
Net Change
-1026
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21086
5K → 10K111440+1074#21086#20012
10K → 15K43262+370#20012#19642
15K → 20K96297-201#19642#19843
20K → Half11127-116#19843#19959
Half → 25K60358-298#19959#20257
25K → 30K31637-606#20257#20863
30K → 20M17349-332#20863#21195
20M → 21M20222-202#21195#21397
21M → 35K12124-112#21397#21509
35K → 23M17312-295#21509#21804
23M → 24M3730+7#21804#21797
24M → 40K18107-89#21797#21886
40K → 25.2M456-52#21886#21938
25.2M → Finish8182-174#21938#22112
TOTALS18772903-1026

Passing Charts

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