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BOSTON MARATHON 2023

Pawel Biernacki

Bib: 11486•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 27%
Masters (Masters Men)
#0 / 9891
Top 13%
Division (M45-49)
#0 / 2252
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:54
Rank: #6542
Start → 5K
21:54 | 7:03/mi
10K· 6.21 mi
43:05
Rank: #6062 (+480)
5K → 10K
21:11 | 6:49/mi
15K· 9.32 mi
1:03:53
Rank: #5503 (+559)
10K → 15K
20:48 | 6:42/mi
20K· 12.43 mi
1:24:40
Rank: #4954 (+549)
15K → 20K
20:47 | 6:41/mi
Half· 13.11 mi
1:29:06
Rank: #4831 (+123)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:45:15
Rank: #4455 (+376)
Half → 25K
16:09 | 6:40/mi
30K· 18.64 mi
2:06:32
Rank: #4198 (+257)
25K → 30K
21:17 | 6:51/mi
20M
2:15:54
Rank: #4107 (+91)
30K → 20M
9:22 | 6:54/mi
21M
2:23:10
Rank: #4025 (+82)
20M → 21M
7:16 | 7:16/mi
35K· 21.75 mi
2:28:09
Rank: #3984 (+41)
21M → 35K
4:59 | 6:40/mi
23M
2:36:50
Rank: #3915 (+69)
35K → 23M
8:41 | 6:56/mi
24M
2:43:47
Rank: #3963 (-48)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
2:49:58
Rank: #4017 (-54)
24M → 40K
6:11 | 7:14/mi
25.2M
2:52:43
Rank: #4066 (-49)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:00:41
Rank: #4351 (-285)
25.2M → Finish
7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:06
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:31:35
Pace6:59 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5721:547:0321:54
7:03
-
10K
6.21 mi11:10:0843:056:5621:11
6:49
-0:14
15K
9.32 mi11:30:561:03:536:5120:48
6:42
-0:07
20K
12.43 mi11:51:431:24:406:4920:47
6:41
-0:01
Half
13.11 mi11:56:091:29:066:484:26
6:30
-0:11
25K
15.53 mi12:12:181:45:156:4716:09
6:40
+0:10
30K
18.64 mi12:33:352:06:326:4721:17
6:51
+0:11
20M
20.00 mi12:42:572:15:546:489:22
6:54
+0:03
21M
21.00 mi12:50:132:23:106:497:16
7:16
+0:22
35K
21.75 mi12:55:122:28:096:494:59
6:40
-0:36
23M
23.00 mi13:03:532:36:506:498:41
6:56
+0:16
24M
24.00 mi13:10:502:43:476:496:57
6:57
+0:01
40K
24.85 mi13:17:012:49:586:506:11
7:14
+0:17
25.2M
25.20 mi13:19:462:52:436:512:45
7:58
+0:44
Finish
26.22 mi13:27:443:00:416:547:58
7:49
-0:09

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

6:30 /mi

Average Pace

6:54 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:21

26% of race

Time at Steady Pace

1:50:10

61% of race

Time at Slower Pace

24:10

13% of race

Average Pace: 6:53 /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 mi10:48:5721:547:0321:54
7:03
#6542
10K
6.21 mi11:10:0843:056:5621:11
6:49
#6062
15K
9.32 mi11:30:561:03:536:5120:48
6:42
#5503
20K
12.43 mi11:51:431:24:406:4920:47
6:41
#4954
Half
13.11 mi11:56:091:29:066:484:26
6:30
#4831
25K
15.53 mi12:12:181:45:156:4716:09
6:40
#4455
30K
18.64 mi12:33:352:06:326:4721:17
6:51
#4198
20M
20.00 mi12:42:572:15:546:489:22
6:54
#4107
21M
21.00 mi12:50:132:23:106:497:16
7:16
#4025
35K
21.75 mi12:55:122:28:096:494:59
6:40
#3984
23M
23.00 mi13:03:532:36:506:498:41
6:56
#3915
24M
24.00 mi13:10:502:43:476:496:57
6:57
#3963
40K
24.85 mi13:17:012:49:586:506:11
7:14
#4017
25.2M
25.20 mi13:19:462:52:436:512:45
7:58
#4066
Finish
26.22 mi13:27:443:00:416:547:58
7:49
#4351
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6542591559154083(Top 15%)3832(Top 25%)3832(Top 170%)
10K6.21 mi3.10 mi6062+4805534+3815534+3815456(Top 20%)5026(Top 33%)5026(Top 223%)
15K9.32 mi3.11 mi5503+5595076+4585076+4584083(Top 15%)3832(Top 25%)3832(Top 170%)
20K12.43 mi3.11 mi4954+5494612+4644612+4643505(Top 13%)3319(Top 22%)3319(Top 147%)
Half13.11 mi0.68 mi4831+1234498+1144498+1142838(Top 11%)2722(Top 18%)2722(Top 121%)
25K15.53 mi2.42 mi4455+3764168+3304168+3303082(Top 12%)2939(Top 19%)2939(Top 131%)
30K18.64 mi3.11 mi4198+2573941+2273941+2273324(Top 12%)3132(Top 21%)3132(Top 139%)
20M20.00 mi1.36 mi4107+913857+843857+843392(Top 13%)3175(Top 21%)3175(Top 141%)
21M21.00 mi1.00 mi4025+823779+783779+783461(Top 13%)3219(Top 21%)3219(Top 143%)
35K21.75 mi0.75 mi3984+413741+383741+383368(Top 13%)3138(Top 21%)3138(Top 139%)
23M23.00 mi1.25 mi3915+693678+633678+633452(Top 13%)3200(Top 21%)3200(Top 142%)
24M24.00 mi1.00 mi3963-483713-353713-354407(Top 17%)3982(Top 26%)3982(Top 177%)
40K24.85 mi0.85 mi4017-543760-473760-475035(Top 19%)4365(Top 29%)4365(Top 194%)
25.2M25.20 mi0.35 mi4066-493805-453805-456241(Top 23%)5077(Top 33%)5077(Top 225%)
Finish26.22 mi1.02 mi4351-2854059-2544059-25410749(Top 40%)7660(Top 50%)7660(Top 340%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4083

Males

3832

M45-49

3832

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5456

Males

5026

M45-49

5026

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4083

Males

3832

M45-49

3832

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3505

Males

3319

M45-49

3319

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2838

Males

2722

M45-49

2722

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3082

Males

2939

M45-49

2939

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3324

Males

3132

M45-49

3132

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3392

Males

3175

M45-49

3175

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3461

Males

3219

M45-49

3219

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3368

Males

3138

M45-49

3138

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3452

Males

3200

M45-49

3200

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4407

Males

3982

M45-49

3982

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5035

Males

4365

M45-49

4365

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6241

Males

5077

M45-49

5077

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10749

Males

7660

M45-49

7660

Passing Analysis

Category:
Athletes Passed
2868
Passed By
677
Net Change
+2191
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6542
5K → 10K52141+480#6542#6062
10K → 15K5678+559#6062#5503
15K → 20K5490+549#5503#4954
20K → Half1230+123#4954#4831
Half → 25K3793+376#4831#4455
25K → 30K27013+257#4455#4198
30K → 20M11524+91#4198#4107
20M → 21M10826+82#4107#4025
21M → 35K5615+41#4025#3984
35K → 23M9223+69#3984#3915
23M → 24M3785-48#3915#3963
24M → 40K3286-54#3963#4017
40K → 25.2M1261-49#4017#4066
25.2M → Finish7292-285#4066#4351
TOTALS2868677+2191
📊

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