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BOSTON MARATHON 2023

Peter Marsh

Bib: 26973•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:42
Rank: #22264
Start → 5K
29:42 | 9:34/mi
10K· 6.21 mi
58:37
Rank: #22153 (+111)
5K → 10K
28:55 | 9:18/mi
15K· 9.32 mi
1:27:13
Rank: #21854 (+299)
10K → 15K
28:36 | 9:12/mi
20K· 12.43 mi
1:56:09
Rank: #21658 (+196)
15K → 20K
28:56 | 9:19/mi
Half· 13.11 mi
2:02:15
Rank: #21584 (+74)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:25:20
Rank: #21473 (+111)
Half → 25K
23:05 | 9:31/mi
30K· 18.64 mi
2:56:46
Rank: #21425 (+48)
25K → 30K
31:26 | 10:07/mi
20M
3:10:42
Rank: #21403 (+22)
30K → 20M
13:56 | 10:15/mi
21M
3:21:20
Rank: #21303 (+100)
20M → 21M
10:38 | 10:38/mi
35K· 21.75 mi
3:28:57
Rank: #21312 (-9)
21M → 35K
7:37 | 10:11/mi
23M
3:42:03
Rank: #21305 (+7)
35K → 23M
13:06 | 10:28/mi
24M
3:52:34
Rank: #21340 (-35)
23M → 24M
10:31 | 10:31/mi
40K· 24.85 mi
4:01:36
Rank: #21342 (-2)
24M → 40K
9:02 | 10:34/mi
25.2M
4:05:21
Rank: #21306 (+36)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
4:15:09
Rank: #21271 (+35)
25.2M → Finish
9:48 | 9:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:15
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:12:54
Pace10:08 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4229:429:3429:42
9:34
-
10K
6.21 mi12:21:3758:379:2628:55
9:18
-0:16
15K
9.32 mi12:50:131:27:139:2128:36
9:12
-0:06
20K
12.43 mi13:19:091:56:099:2128:56
9:19
+0:07
Half
13.11 mi13:25:152:02:159:206:06
8:56
-0:23
25K
15.53 mi13:48:202:25:209:2123:05
9:31
+0:35
30K
18.64 mi14:19:462:56:469:2931:26
10:07
+0:36
20M
20.00 mi14:33:423:10:429:3213:56
10:15
+0:08
21M
21.00 mi14:44:203:21:209:3510:38
10:38
+0:23
35K
21.75 mi14:51:573:28:579:367:37
10:11
-0:27
23M
23.00 mi15:05:033:42:039:3913:06
10:28
+0:17
24M
24.00 mi15:15:343:52:349:4110:31
10:31
+0:03
40K
24.85 mi15:24:364:01:369:439:02
10:34
+0:03
25.2M
25.20 mi15:28:214:05:219:443:45
10:52
+0:18
Finish
26.22 mi15:38:094:15:099:449:48
9:37
-1:15

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

8:56 /mi

Average Pace

9:44 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:08

61% of race

Time at Steady Pace

52:59

21% of race

Time at Slower Pace

47:02

18% of race

Average Pace: 9:44 /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 mi11:52:4229:429:3429:42
9:34
#22264
10K
6.21 mi12:21:3758:379:2628:55
9:18
#22153
15K
9.32 mi12:50:131:27:139:2128:36
9:12
#21854
20K
12.43 mi13:19:091:56:099:2128:56
9:19
#21658
Half
13.11 mi13:25:152:02:159:206:06
8:56
#21584
25K
15.53 mi13:48:202:25:209:2123:05
9:31
#21473
30K
18.64 mi14:19:462:56:469:2931:26
10:07
#21425
20M
20.00 mi14:33:423:10:429:3213:56
10:15
#21403
21M
21.00 mi14:44:203:21:209:3510:38
10:38
#21303
35K
21.75 mi14:51:573:28:579:367:37
10:11
#21312
23M
23.00 mi15:05:033:42:039:3913:06
10:28
#21305
24M
24.00 mi15:15:343:52:349:4110:31
10:31
#21340
40K
24.85 mi15:24:364:01:369:439:02
10:34
#21342
25.2M
25.20 mi15:28:214:05:219:443:45
10:52
#21306
Finish
26.22 mi15:38:094:15:099:449:48
9:37
#21271
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22264132321323221319(Top 80%)12890(Top 85%)12890(Top 244%)
10K6.21 mi3.10 mi22153+11113203+2913203+2921958(Top 82%)13137(Top 87%)13137(Top 249%)
15K9.32 mi3.11 mi21854+29913077+12613077+12621319(Top 80%)12890(Top 85%)12890(Top 244%)
20K12.43 mi3.11 mi21658+19612997+8012997+8021010(Top 79%)12753(Top 84%)12753(Top 241%)
Half13.11 mi0.68 mi21584+7412966+3112966+3120168(Top 76%)12395(Top 82%)12395(Top 235%)
25K15.53 mi2.42 mi21473+11112921+4512921+4520893(Top 78%)12661(Top 83%)12661(Top 240%)
30K18.64 mi3.11 mi21425+4812887+3412887+3421321(Top 80%)12771(Top 84%)12771(Top 242%)
20M20.00 mi1.36 mi21403+2212864+2312864+2321142(Top 79%)12628(Top 83%)12628(Top 239%)
21M21.00 mi1.00 mi21303+10012802+6212802+6219965(Top 75%)12036(Top 79%)12036(Top 228%)
35K21.75 mi0.75 mi21312-912803-112803-121724(Top 82%)12806(Top 84%)12806(Top 242%)
23M23.00 mi1.25 mi21305+712783+2012783+2021219(Top 80%)12560(Top 83%)12560(Top 238%)
24M24.00 mi1.00 mi21340-3512789-612789-622064(Top 83%)12908(Top 85%)12908(Top 244%)
40K24.85 mi0.85 mi21342-212784+512784+521357(Top 80%)12523(Top 83%)12523(Top 237%)
25.2M25.20 mi0.35 mi21306+3612764+2012764+2020148(Top 76%)11994(Top 79%)11994(Top 227%)
Finish26.22 mi1.02 mi21271+3512740+2412740+2420522(Top 77%)12198(Top 80%)12198(Top 231%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21319

Males

12890

M18-39

12890

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21958

Males

13137

M18-39

13137

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21319

Males

12890

M18-39

12890

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

21010

Males

12753

M18-39

12753

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20168

Males

12395

M18-39

12395

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20893

Males

12661

M18-39

12661

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21321

Males

12771

M18-39

12771

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

21142

Males

12628

M18-39

12628

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

19965

Males

12036

M18-39

12036

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21724

Males

12806

M18-39

12806

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21219

Males

12560

M18-39

12560

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

22064

Males

12908

M18-39

12908

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21357

Males

12523

M18-39

12523

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20148

Males

11994

M18-39

11994

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20522

Males

12198

M18-39

12198

Passing Analysis

Category:
Athletes Passed
1758
Passed By
765
Net Change
+993
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22264
5K → 10K313202+111#22264#22153
10K → 15K35556+299#22153#21854
15K → 20K23337+196#21854#21658
20K → Half795+74#21658#21584
Half → 25K16453+111#21584#21473
25K → 30K14597+48#21473#21425
30K → 20M9068+22#21425#21403
20M → 21M11313+100#21403#21303
21M → 35K2736-9#21303#21312
35K → 23M7063+7#21312#21305
23M → 24M3469-35#21305#21340
24M → 40K3840-2#21340#21342
40K → 25.2M448+36#21342#21306
25.2M → Finish5318+35#21306#21271
TOTALS1758765+993
📊

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