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BOSTON MARATHON 2023

Murilo Klein

Bib: 1853•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 38%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:12
Rank: #4870
Start → 5K
21:12 | 6:49/mi
10K· 6.21 mi
41:34
Rank: #3861 (+1009)
5K → 10K
20:22 | 6:33/mi
15K· 9.32 mi
1:02:03
Rank: #3608 (+253)
10K → 15K
20:29 | 6:36/mi
20K· 12.43 mi
1:22:42
Rank: #3486 (+122)
15K → 20K
20:39 | 6:39/mi
Half· 13.11 mi
1:27:15
Rank: #3499 (-13)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:33
Rank: #3475 (+24)
Half → 25K
16:18 | 6:43/mi
30K· 18.64 mi
2:04:54
Rank: #3436 (+39)
25K → 30K
21:21 | 6:52/mi
20M
2:14:13
Rank: #3375 (+61)
30K → 20M
9:19 | 6:51/mi
21M
2:21:26
Rank: #3322 (+53)
20M → 21M
7:13 | 7:13/mi
35K· 21.75 mi
2:26:22
Rank: #3293 (+29)
21M → 35K
4:56 | 6:36/mi
23M
2:34:29
Rank: #3093 (+200)
35K → 23M
8:07 | 6:29/mi
24M
2:40:40
Rank: #2934 (+159)
23M → 24M
6:11 | 6:11/mi
40K· 24.85 mi
2:46:15
Rank: #2844 (+90)
24M → 40K
5:35 | 6:32/mi
25.2M
2:48:41
Rank: #2805 (+39)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:55:31
Rank: #2825 (-20)
25.2M → Finish
6:50 | 6:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:15
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:28:16
Pace6:44 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4821:126:4921:12
6:49
-
10K
6.21 mi10:42:1041:346:4120:22
6:33
-0:16
15K
9.32 mi11:02:391:02:036:3920:29
6:36
+0:03
20K
12.43 mi11:23:181:22:426:3920:39
6:39
+0:03
Half
13.11 mi11:27:511:27:156:394:33
6:40
+0:01
25K
15.53 mi11:44:091:43:336:4016:18
6:43
+0:03
30K
18.64 mi12:05:302:04:546:4221:21
6:52
+0:09
20M
20.00 mi12:14:492:14:136:439:19
6:51
-0:01
21M
21.00 mi12:22:022:21:266:447:13
7:13
+0:22
35K
21.75 mi12:26:582:26:226:444:56
6:36
-0:37
23M
23.00 mi12:35:052:34:296:438:07
6:29
-0:07
24M
24.00 mi12:41:162:40:406:426:11
6:11
-0:18
40K
24.85 mi12:46:512:46:156:415:35
6:32
+0:21
25.2M
25.20 mi12:49:172:48:416:422:26
7:03
+0:31
Finish
26.22 mi12:56:072:55:316:426:50
6:42
-0:21

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

6:11 /mi

Average Pace

6:42 /mi

Slowest Pace

7:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:00

65% of race

Time at Steady Pace

1:01:31

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:21:4821:126:4921:12
6:49
#4870
10K
6.21 mi10:42:1041:346:4120:22
6:33
#3861
15K
9.32 mi11:02:391:02:036:3920:29
6:36
#3608
20K
12.43 mi11:23:181:22:426:3920:39
6:39
#3486
Half
13.11 mi11:27:511:27:156:394:33
6:40
#3499
25K
15.53 mi11:44:091:43:336:4016:18
6:43
#3475
30K
18.64 mi12:05:302:04:546:4221:21
6:52
#3436
20M
20.00 mi12:14:492:14:136:439:19
6:51
#3375
21M
21.00 mi12:22:022:21:266:447:13
7:13
#3322
35K
21.75 mi12:26:582:26:226:444:56
6:36
#3293
23M
23.00 mi12:35:052:34:296:438:07
6:29
#3093
24M
24.00 mi12:41:162:40:406:426:11
6:11
#2934
40K
24.85 mi12:46:512:46:156:415:35
6:32
#2844
25.2M
25.20 mi12:49:172:48:416:422:26
7:03
#2805
Finish
26.22 mi12:56:072:55:316:426:50
6:42
#2825
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4870452545253227(Top 12%)3068(Top 20%)3068(Top 58%)
10K6.21 mi3.10 mi3861+10093635+8903635+8903158(Top 12%)3010(Top 20%)3010(Top 57%)
15K9.32 mi3.11 mi3608+2533410+2253410+2253227(Top 12%)3068(Top 20%)3068(Top 58%)
20K12.43 mi3.11 mi3486+1223303+1073303+1073144(Top 12%)2990(Top 20%)2990(Top 57%)
Half13.11 mi0.68 mi3499-133314-113314-113956(Top 15%)3708(Top 24%)3708(Top 70%)
25K15.53 mi2.42 mi3475+243297+173297+173523(Top 13%)3328(Top 22%)3328(Top 63%)
30K18.64 mi3.11 mi3436+393254+433254+433457(Top 13%)3248(Top 21%)3248(Top 61%)
20M20.00 mi1.36 mi3375+613197+573197+573137(Top 12%)2943(Top 19%)2943(Top 56%)
21M21.00 mi1.00 mi3322+533147+503147+503186(Top 12%)2972(Top 20%)2972(Top 56%)
35K21.75 mi0.75 mi3293+293119+283119+282948(Top 11%)2759(Top 18%)2759(Top 52%)
23M23.00 mi1.25 mi3093+2002937+1822937+1821377(Top 5%)1306(Top 9%)1306(Top 25%)
24M24.00 mi1.00 mi2934+1592789+1482789+148992(Top 4%)941(Top 6%)941(Top 18%)
40K24.85 mi0.85 mi2844+902704+852704+851666(Top 6%)1569(Top 10%)1569(Top 30%)
25.2M25.20 mi0.35 mi2805+392665+392665+391939(Top 7%)1822(Top 12%)1822(Top 34%)
Finish26.22 mi1.02 mi2825-202681-162681-163528(Top 13%)3153(Top 21%)3153(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3227

Males

3068

M18-39

3068

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3158

Males

3010

M18-39

3010

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3227

Males

3068

M18-39

3068

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3144

Males

2990

M18-39

2990

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3956

Males

3708

M18-39

3708

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3523

Males

3328

M18-39

3328

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3457

Males

3248

M18-39

3248

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3137

Males

2943

M18-39

2943

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3186

Males

2972

M18-39

2972

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2948

Males

2759

M18-39

2759

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1377

Males

1306

M18-39

1306

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

992

Males

941

M18-39

941

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1666

Males

1569

M18-39

1569

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1939

Males

1822

M18-39

1822

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3528

Males

3153

M18-39

3153

Passing Analysis

Category:
Athletes Passed
2407
Passed By
362
Net Change
+2045
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4870
5K → 10K102213+1009#4870#3861
10K → 15K27724+253#3861#3608
15K → 20K14523+122#3608#3486
20K → Half1225-13#3486#3499
Half → 25K8662+24#3499#3475
25K → 30K11980+39#3475#3436
30K → 20M8827+61#3436#3375
20M → 21M8734+53#3375#3322
21M → 35K4112+29#3322#3293
35K → 23M2011+200#3293#3093
23M → 24M1590+159#3093#2934
24M → 40K977+90#2934#2844
40K → 25.2M412+39#2844#2805
25.2M → Finish3252-20#2805#2825
TOTALS2407362+2045
📊

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