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BOSTON MARATHON 2023

Petr Cirkl

Bib: 9162•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 41%
Masters (Masters Men)
#0 / 9891
Top 28%
Division (M45-49)
#0 / 2252
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:11
Rank: #7121
Start → 5K
22:11 | 7:08/mi
10K· 6.21 mi
43:38
Rank: #6633 (+488)
5K → 10K
21:27 | 6:54/mi
15K· 9.32 mi
1:05:15
Rank: #6518 (+115)
10K → 15K
21:37 | 6:57/mi
20K· 12.43 mi
1:27:23
Rank: #6518
15K → 20K
22:08 | 7:07/mi
Half· 13.11 mi
1:32:08
Rank: #6515 (+3)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:49:32
Rank: #6506 (+9)
Half → 25K
17:24 | 7:11/mi
30K· 18.64 mi
2:12:48
Rank: #6545 (-39)
25K → 30K
23:16 | 7:29/mi
20M
2:23:15
Rank: #6595 (-50)
30K → 20M
10:27 | 7:41/mi
21M
2:31:24
Rank: #6643 (-48)
20M → 21M
8:09 | 8:09/mi
35K· 21.75 mi
2:37:29
Rank: #6791 (-148)
21M → 35K
6:05 | 8:08/mi
23M
2:47:54
Rank: #7000 (-209)
35K → 23M
10:25 | 8:19/mi
24M
2:55:36
Rank: #7055 (-55)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:02:30
Rank: #7139 (-84)
24M → 40K
6:54 | 8:04/mi
25.2M
3:05:40
Rank: #7228 (-89)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:13:23
Rank: #7274 (-46)
25.2M → Finish
7:43 | 7:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:08
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:41:15
Pace7:43 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4122:117:0822:11
7:08
-
10K
6.21 mi11:09:0843:387:0121:27
6:54
-0:14
15K
9.32 mi11:30:451:05:157:0021:37
6:57
+0:03
20K
12.43 mi11:52:531:27:237:0222:08
7:07
+0:10
Half
13.11 mi11:57:381:32:087:024:45
6:58
-0:09
25K
15.53 mi12:15:021:49:327:0317:24
7:11
+0:13
30K
18.64 mi12:38:182:12:487:0723:16
7:29
+0:18
20M
20.00 mi12:48:452:23:157:1010:27
7:41
+0:12
21M
21.00 mi12:56:542:31:247:138:09
8:09
+0:28
35K
21.75 mi13:02:592:37:297:146:05
8:08
-0:01
23M
23.00 mi13:13:242:47:547:1810:25
8:19
+0:11
24M
24.00 mi13:21:062:55:367:197:42
7:42
-0:37
40K
24.85 mi13:28:003:02:307:216:54
8:04
+0:22
25.2M
25.20 mi13:31:103:05:407:223:10
9:11
+1:07
Finish
26.22 mi13:38:533:13:237:237:43
7:34
-1:37

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

6:54 /mi

Average Pace

7:23 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:32

57% of race

Time at Steady Pace

49:08

25% of race

Time at Slower Pace

34:43

18% of race

Average Pace: 7:23 /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 mi10:47:4122:117:0822:11
7:08
#7121
10K
6.21 mi11:09:0843:387:0121:27
6:54
#6633
15K
9.32 mi11:30:451:05:157:0021:37
6:57
#6518
20K
12.43 mi11:52:531:27:237:0222:08
7:07
#6518
Half
13.11 mi11:57:381:32:087:024:45
6:58
#6515
25K
15.53 mi12:15:021:49:327:0317:24
7:11
#6506
30K
18.64 mi12:38:182:12:487:0723:16
7:29
#6545
20M
20.00 mi12:48:452:23:157:1010:27
7:41
#6595
21M
21.00 mi12:56:542:31:247:138:09
8:09
#6643
35K
21.75 mi13:02:592:37:297:146:05
8:08
#6791
23M
23.00 mi13:13:242:47:547:1810:25
8:19
#7000
24M
24.00 mi13:21:062:55:367:197:42
7:42
#7055
40K
24.85 mi13:28:003:02:307:216:54
8:04
#7139
25.2M
25.20 mi13:31:103:05:407:223:10
9:11
#7228
Finish
26.22 mi13:38:533:13:237:237:43
7:34
#7274
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7121636363636304(Top 24%)5699(Top 38%)5699(Top 253%)
10K6.21 mi3.10 mi6633+4885982+3815982+3816162(Top 23%)5588(Top 37%)5588(Top 248%)
15K9.32 mi3.11 mi6518+1155882+1005882+1006304(Top 24%)5699(Top 38%)5699(Top 253%)
20K12.43 mi3.11 mi65185879+35879+36676(Top 25%)5969(Top 39%)5969(Top 265%)
Half13.11 mi0.68 mi6515+35873+65873+66355(Top 24%)5765(Top 38%)5765(Top 256%)
25K15.53 mi2.42 mi6506+95856+175856+176539(Top 25%)5829(Top 38%)5829(Top 259%)
30K18.64 mi3.11 mi6545-395879-235879-237145(Top 27%)6160(Top 41%)6160(Top 274%)
20M20.00 mi1.36 mi6595-505897-185897-188078(Top 30%)6638(Top 44%)6638(Top 295%)
21M21.00 mi1.00 mi6643-485915-185915-188275(Top 31%)6627(Top 44%)6627(Top 294%)
35K21.75 mi0.75 mi6791-1486031-1166031-11612939(Top 49%)8937(Top 59%)8937(Top 397%)
23M23.00 mi1.25 mi7000-2096147-1166147-11611989(Top 45%)8449(Top 56%)8449(Top 375%)
24M24.00 mi1.00 mi7055-556171-246171-249057(Top 34%)6913(Top 46%)6913(Top 307%)
40K24.85 mi0.85 mi7139-846215-446215-4410452(Top 39%)7564(Top 50%)7564(Top 336%)
25.2M25.20 mi0.35 mi7228-896263-486263-4813437(Top 50%)8930(Top 59%)8930(Top 397%)
Finish26.22 mi1.02 mi7274-466260+36260+39054(Top 34%)6771(Top 45%)6771(Top 301%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6304

Males

5699

M45-49

5699

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6162

Males

5588

M45-49

5588

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6304

Males

5699

M45-49

5699

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6676

Males

5969

M45-49

5969

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6355

Males

5765

M45-49

5765

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6539

Males

5829

M45-49

5829

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7145

Males

6160

M45-49

6160

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8078

Males

6638

M45-49

6638

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8275

Males

6627

M45-49

6627

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

12939

Males

8937

M45-49

8937

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11989

Males

8449

M45-49

8449

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9057

Males

6913

M45-49

6913

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10452

Males

7564

M45-49

7564

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13437

Males

8930

M45-49

8930

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9054

Males

6771

M45-49

6771

Passing Analysis

Category:
Athletes Passed
1283
Passed By
1436
Net Change
-153
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7121
5K → 10K52638+488#7121#6633
10K → 15K17964+115#6633#6518
15K → 20K1071070#6518#6518
20K → Half2320+3#6518#6515
Half → 25K8071+9#6515#6506
25K → 30K103142-39#6506#6545
30K → 20M4696-50#6545#6595
20M → 21M4694-48#6595#6643
21M → 35K15163-148#6643#6791
35K → 23M29238-209#6791#7000
23M → 24M3994-55#7000#7055
24M → 40K29113-84#7055#7139
40K → 25.2M1099-89#7139#7228
25.2M → Finish5197-46#7228#7274
TOTALS12831436-153
📊

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