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BOSTON MARATHON 2023

Robert Madej

Bib: 6312•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 30%
Masters (Masters Men)
#0 / 9891
Top 16%
Division (M50-54)
#0 / 2052
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:00
Rank: #4247
Start → 5K
21:00 | 6:46/mi
10K· 6.21 mi
42:16
Rank: #4985 (-738)
5K → 10K
21:16 | 6:51/mi
15K· 9.32 mi
1:03:23
Rank: #5003 (-18)
10K → 15K
21:07 | 6:48/mi
20K· 12.43 mi
1:24:45
Rank: #5018 (-15)
15K → 20K
21:22 | 6:53/mi
Half· 13.11 mi
1:29:25
Rank: #5063 (-45)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:46:08
Rank: #5014 (+49)
Half → 25K
16:43 | 6:54/mi
30K· 18.64 mi
2:07:50
Rank: #4813 (+201)
25K → 30K
21:42 | 6:59/mi
20M
2:17:18
Rank: #4716 (+97)
30K → 20M
9:28 | 6:58/mi
21M
2:24:45
Rank: #4679 (+37)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:29:55
Rank: #4672 (+7)
21M → 35K
5:10 | 6:54/mi
23M
2:38:59
Rank: #4678 (-6)
35K → 23M
9:04 | 7:14/mi
24M
2:46:11
Rank: #4702 (-24)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
2:52:40
Rank: #4751 (-49)
24M → 40K
6:29 | 7:35/mi
25.2M
2:55:34
Rank: #4804 (-53)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:03:25
Rank: #4932 (-128)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:25
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:34:00
Pace7:10 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2221:006:4621:00
6:46
-
10K
6.21 mi10:46:3842:166:4821:16
6:51
+0:05
15K
9.32 mi11:07:451:03:236:4821:07
6:48
-0:03
20K
12.43 mi11:29:071:24:456:4921:22
6:53
+0:05
Half
13.11 mi11:33:471:29:256:494:40
6:50
-0:03
25K
15.53 mi11:50:301:46:086:5016:43
6:54
+0:04
30K
18.64 mi12:12:122:07:506:5121:42
6:59
+0:05
20M
20.00 mi12:21:402:17:186:529:28
6:58
-0:01
21M
21.00 mi12:29:072:24:456:547:27
7:27
+0:29
35K
21.75 mi12:34:172:29:556:545:10
6:54
-0:33
23M
23.00 mi12:43:212:38:596:559:04
7:14
+0:20
24M
24.00 mi12:50:332:46:116:557:12
7:12
-0:02
40K
24.85 mi12:57:022:52:406:576:29
7:35
+0:23
25.2M
25.20 mi12:59:562:55:346:582:54
8:25
+0:50
Finish
26.22 mi13:07:473:03:257:007:51
7:42
-0:43

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

6:46 /mi

Average Pace

7:00 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:22:28

78% of race

Time at Slower Pace

40:57

22% of race

Average Pace: 7:00 /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 mi10:25:2221:006:4621:00
6:46
#4247
10K
6.21 mi10:46:3842:166:4821:16
6:51
#4985
15K
9.32 mi11:07:451:03:236:4821:07
6:48
#5003
20K
12.43 mi11:29:071:24:456:4921:22
6:53
#5018
Half
13.11 mi11:33:471:29:256:494:40
6:50
#5063
25K
15.53 mi11:50:301:46:086:5016:43
6:54
#5014
30K
18.64 mi12:12:122:07:506:5121:42
6:59
#4813
20M
20.00 mi12:21:402:17:186:529:28
6:58
#4716
21M
21.00 mi12:29:072:24:456:547:27
7:27
#4679
35K
21.75 mi12:34:172:29:556:545:10
6:54
#4672
23M
23.00 mi12:43:212:38:596:559:04
7:14
#4678
24M
24.00 mi12:50:332:46:116:557:12
7:12
#4702
40K
24.85 mi12:57:022:52:406:576:29
7:35
#4751
25.2M
25.20 mi12:59:562:55:346:582:54
8:25
#4804
Finish
26.22 mi13:07:473:03:257:007:51
7:42
#4932
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4247397639765083(Top 19%)4710(Top 31%)4710(Top 230%)
10K6.21 mi3.10 mi4985-7384624-6484624-6485693(Top 21%)5214(Top 34%)5214(Top 254%)
15K9.32 mi3.11 mi5003-184645-214645-215083(Top 19%)4710(Top 31%)4710(Top 230%)
20K12.43 mi3.11 mi5018-154664-194664-195168(Top 19%)4778(Top 31%)4778(Top 233%)
Half13.11 mi0.68 mi5063-454701-374701-375554(Top 21%)5114(Top 34%)5114(Top 249%)
25K15.53 mi2.42 mi5014+494654+474654+474921(Top 18%)4554(Top 30%)4554(Top 222%)
30K18.64 mi3.11 mi4813+2014479+1754479+1754255(Top 16%)3965(Top 26%)3965(Top 193%)
20M20.00 mi1.36 mi4716+974393+864393+863842(Top 14%)3578(Top 24%)3578(Top 174%)
21M21.00 mi1.00 mi4679+374358+354358+354352(Top 16%)3978(Top 26%)3978(Top 194%)
35K21.75 mi0.75 mi4672+74349+94349+94805(Top 18%)4341(Top 29%)4341(Top 212%)
23M23.00 mi1.25 mi4678-6434943494988(Top 19%)4458(Top 29%)4458(Top 217%)
24M24.00 mi1.00 mi4702-244370-214370-215724(Top 22%)4917(Top 32%)4917(Top 240%)
40K24.85 mi0.85 mi4751-494401-314401-317166(Top 27%)5714(Top 38%)5714(Top 278%)
25.2M25.20 mi0.35 mi4804-534437-364437-368837(Top 33%)6610(Top 44%)6610(Top 322%)
Finish26.22 mi1.02 mi4932-1284536-994536-999953(Top 37%)7247(Top 48%)7247(Top 353%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5083

Males

4710

M50-54

4710

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5693

Males

5214

M50-54

5214

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5083

Males

4710

M50-54

4710

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5168

Males

4778

M50-54

4778

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5554

Males

5114

M50-54

5114

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4921

Males

4554

M50-54

4554

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4255

Males

3965

M50-54

3965

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3842

Males

3578

M50-54

3578

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4352

Males

3978

M50-54

3978

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4805

Males

4341

M50-54

4341

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

4988

Males

4458

M50-54

4458

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5724

Males

4917

M50-54

4917

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7166

Males

5714

M50-54

5714

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8837

Males

6610

M50-54

6610

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9953

Males

7247

M50-54

7247

Passing Analysis

Category:
Athletes Passed
1002
Passed By
1687
Net Change
-685
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4247
5K → 10K31769-738#4247#4985
10K → 15K96114-18#4985#5003
15K → 20K104119-15#5003#5018
20K → Half954-45#5018#5063
Half → 25K12475+49#5063#5014
25K → 30K24645+201#5014#4813
30K → 20M11720+97#4813#4716
20M → 21M7336+37#4716#4679
21M → 35K4437+7#4679#4672
35K → 23M6672-6#4672#4678
23M → 24M4468-24#4678#4702
24M → 40K2877-49#4702#4751
40K → 25.2M558-53#4751#4804
25.2M → Finish15143-128#4804#4932
TOTALS10021687-685
📊

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