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BOSTON MARATHON 2023

Peter Koopman

Bib: 10696•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 43%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 47%
Division (M50-54)
#0 / 2052
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:48/mi
24:15
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
48:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:12:30
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:36:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:42:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:01:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:06/mi
2:26:44
↑ 181↓ 1480.2%
20M
8:08/mi
2:37:47
↑ 64↓ 500.2%
21M
8:31/mi
2:46:18
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:52:04
↑ 17↓ 861.7%
23M
7:54/mi
3:01:57
↑ 23↓ 630.6%
24M
7:53/mi
3:09:50
↓ 821.3%
40K· 24.85 mi
7:53/mi
3:16:35
↓ 200.3%
25.2M
7:52/mi
3:19:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:52/mi
3:27:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:19
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:45:00
Pace8:01 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4024:157:4824:15
7:48
-
10K
6.21 mi11:14:4248:177:4624:02
7:44
-0:04
15K
9.32 mi11:38:551:12:307:4724:13
7:48
+0:04
20K
12.43 mi12:03:241:36:597:4824:29
7:53
+0:05
Half
13.11 mi12:08:441:42:197:485:20
7:49
-0:04
25K
15.53 mi12:27:582:01:337:4919:14
7:56
+0:07
30K
18.64 mi12:53:092:26:447:5225:11
8:06
+0:10
20M
20.00 mi13:04:122:37:477:5311:03
8:08
+0:02
21M
21.00 mi13:12:432:46:187:558:31
8:31
+0:23
35K
21.75 mi13:18:292:52:047:555:46
7:42
-0:49
23M
23.00 mi13:28:223:01:577:559:53
7:54
+0:12
24M
24.00 mi13:36:153:09:507:557:53
7:53
-0:01
40K
24.85 mi13:43:003:16:357:556:45
7:53
0:00
25.2M
25.20 mi13:45:433:19:187:552:43
7:52
-0:01
Finish
26.22 mi13:53:443:27:197:558:01
7:52
0:00

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

7:42 /mi

Average Pace

7:55 /mi

Slowest Pace

8:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:48

96% of race

Time at Steady Pace

8:31

4% of race

Time at Slower Pace

0:00

0% 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 mi10:50:4024:157:4824:15
7:48
#12373
10K
6.21 mi11:14:4248:177:4624:02
7:44
#12438
15K
9.32 mi11:38:551:12:307:4724:13
7:48
#12483
20K
12.43 mi12:03:241:36:597:4824:29
7:53
#12436
Half
13.11 mi12:08:441:42:197:485:20
7:49
#12453
25K
15.53 mi12:27:582:01:337:4919:14
7:56
#12392
30K
18.64 mi12:53:092:26:447:5225:11
8:06
#12225
20M
20.00 mi13:04:122:37:477:5311:03
8:08
#12116
21M
21.00 mi13:12:432:46:187:558:31
8:31
#12021
35K
21.75 mi13:18:292:52:047:555:46
7:42
#11935
23M
23.00 mi13:28:223:01:577:559:53
7:54
#11737
24M
24.00 mi13:36:153:09:507:557:53
7:53
#11667
40K
24.85 mi13:43:003:16:357:556:45
7:53
#11561
25.2M
25.20 mi13:45:433:19:187:552:43
7:52
#11436
Finish
26.22 mi13:53:443:27:197:558:01
7:52
#11405
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi123739270927012672(Top 48%)9376(Top 62%)9376(Top 457%)
10K6.21 mi3.10 mi12438-659295-259295-2512540(Top 47%)9350(Top 62%)9350(Top 456%)
15K9.32 mi3.11 mi12483-459299-49299-412672(Top 48%)9376(Top 62%)9376(Top 457%)
20K12.43 mi3.11 mi12436+479250+499250+4912427(Top 47%)9194(Top 61%)9194(Top 448%)
Half13.11 mi0.68 mi12453-179261-119261-1112797(Top 48%)9390(Top 62%)9390(Top 458%)
25K15.53 mi2.42 mi12392+619210+519210+5112142(Top 46%)8963(Top 59%)8963(Top 437%)
30K18.64 mi3.11 mi12225+1679098+1129098+11211676(Top 44%)8656(Top 57%)8656(Top 422%)
20M20.00 mi1.36 mi12116+1099036+629036+6211222(Top 42%)8370(Top 55%)8370(Top 408%)
21M21.00 mi1.00 mi12021+958982+548982+5410570(Top 40%)7903(Top 52%)7903(Top 385%)
35K21.75 mi0.75 mi11935+868934+488934+489980(Top 37%)7634(Top 50%)7634(Top 372%)
23M23.00 mi1.25 mi11737+1988823+1118823+1119029(Top 34%)6983(Top 46%)6983(Top 340%)
24M24.00 mi1.00 mi11667+708772+518772+5110468(Top 39%)7623(Top 50%)7623(Top 371%)
40K24.85 mi0.85 mi11561+1068699+738699+739242(Top 35%)6928(Top 46%)6928(Top 338%)
25.2M25.20 mi0.35 mi11436+1258628+718628+715669(Top 21%)4689(Top 31%)4689(Top 229%)
Finish26.22 mi1.02 mi11405+318591+378591+3711223(Top 42%)7881(Top 52%)7881(Top 384%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12672

Males

9376

M50-54

9376

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12540

Males

9350

M50-54

9350

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12672

Males

9376

M50-54

9376

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12427

Males

9194

M50-54

9194

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12797

Males

9390

M50-54

9390

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12142

Males

8963

M50-54

8963

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11676

Males

8656

M50-54

8656

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11222

Males

8370

M50-54

8370

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10570

Males

7903

M50-54

7903

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9980

Males

7634

M50-54

7634

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9029

Males

6983

M50-54

6983

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10468

Males

7623

M50-54

7623

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9242

Males

6928

M50-54

6928

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5669

Males

4689

M50-54

4689

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11223

Males

7881

M50-54

7881

Passing Analysis

Category:
Athletes Passed
2175
Passed By
1207
Net Change
+968
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12373
5K → 10K290355-65#12373#12438
10K → 15K182227-45#12438#12483
15K → 20K198151+47#12483#12436
20K → Half3148-17#12436#12453
Half → 25K15190+61#12453#12392
25K → 30K286119+167#12392#12225
30K → 20M15243+109#12225#12116
20M → 21M13641+95#12116#12021
21M → 35K926+86#12021#11935
35K → 23M21113+198#11935#11737
23M → 24M10434+70#11737#11667
24M → 40K12216+106#11667#11561
40K → 25.2M1250+125#11561#11436
25.2M → Finish9564+31#11436#11405
TOTALS21751207+968
📊

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