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BOSTON MARATHON 2023

Rafael Cerezo

Bib: 3836•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 16%
Masters (Masters Men)
#0 / 9891
Top 6%
Division (M40-44)
#0 / 2241
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:31
Rank: #2875
Start → 5K
20:31 | 6:36/mi
10K· 6.21 mi
40:37
Rank: #2706 (+169)
5K → 10K
20:06 | 6:28/mi
15K· 9.32 mi
1:01:03
Rank: #2820 (-114)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:21:35
Rank: #2835 (-15)
15K → 20K
20:32 | 6:37/mi
Half· 13.11 mi
1:26:00
Rank: #2808 (+27)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:42:12
Rank: #2855 (-47)
Half → 25K
16:12 | 6:41/mi
30K· 18.64 mi
2:03:18
Rank: #2818 (+37)
25K → 30K
21:06 | 6:47/mi
20M
2:12:32
Rank: #2787 (+31)
30K → 20M
9:14 | 6:48/mi
21M
2:19:41
Rank: #2755 (+32)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:24:34
Rank: #2729 (+26)
21M → 35K
4:53 | 6:32/mi
23M
2:33:05
Rank: #2687 (+42)
35K → 23M
8:31 | 6:48/mi
24M
2:39:39
Rank: #2649 (+38)
23M → 24M
6:34 | 6:34/mi
40K· 24.85 mi
2:45:20
Rank: #2608 (+41)
24M → 40K
5:41 | 6:39/mi
25.2M
2:47:50
Rank: #2603 (+5)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:54:30
Rank: #2582 (+21)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:00
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:28:30
Pace6:45 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4220:316:3620:31
6:36
-
10K
6.21 mi10:41:4840:376:3220:06
6:28
-0:08
15K
9.32 mi11:02:141:01:036:3320:26
6:35
+0:07
20K
12.43 mi11:22:461:21:356:3420:32
6:37
+0:02
Half
13.11 mi11:27:111:26:006:344:25
6:28
-0:09
25K
15.53 mi11:43:231:42:126:3516:12
6:41
+0:13
30K
18.64 mi12:04:292:03:186:3721:06
6:47
+0:06
20M
20.00 mi12:13:432:12:326:389:14
6:48
+0:01
21M
21.00 mi12:20:522:19:416:397:09
7:09
+0:21
35K
21.75 mi12:25:452:24:346:394:53
6:32
-0:37
23M
23.00 mi12:34:162:33:056:398:31
6:48
+0:16
24M
24.00 mi12:40:502:39:396:396:34
6:34
-0:14
40K
24.85 mi12:46:312:45:206:395:41
6:39
+0:05
25.2M
25.20 mi12:49:012:47:506:402:30
7:15
+0:36
Finish
26.22 mi12:55:412:54:306:406:40
6:33
-0:42

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

6:28 /mi

Average Pace

6:40 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:51

94% of race

Time at Steady Pace

9:39

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:21:4220:316:3620:31
6:36
#2875
10K
6.21 mi10:41:4840:376:3220:06
6:28
#2706
15K
9.32 mi11:02:141:01:036:3320:26
6:35
#2820
20K
12.43 mi11:22:461:21:356:3420:32
6:37
#2835
Half
13.11 mi11:27:111:26:006:344:25
6:28
#2808
25K
15.53 mi11:43:231:42:126:3516:12
6:41
#2855
30K
18.64 mi12:04:292:03:186:3721:06
6:47
#2818
20M
20.00 mi12:13:432:12:326:389:14
6:48
#2787
21M
21.00 mi12:20:522:19:416:397:09
7:09
#2755
35K
21.75 mi12:25:452:24:346:394:53
6:32
#2729
23M
23.00 mi12:34:162:33:056:398:31
6:48
#2687
24M
24.00 mi12:40:502:39:396:396:34
6:34
#2649
40K
24.85 mi12:46:312:45:206:395:41
6:39
#2608
25.2M
25.20 mi12:49:012:47:506:402:30
7:15
#2603
Finish
26.22 mi12:55:412:54:306:406:40
6:33
#2582
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2875273527353099(Top 12%)2953(Top 19%)2953(Top 132%)
10K6.21 mi3.10 mi2706+1692582+1532582+1532608(Top 10%)2494(Top 16%)2494(Top 111%)
15K9.32 mi3.11 mi2820-1142692-1102692-1103099(Top 12%)2953(Top 19%)2953(Top 132%)
20K12.43 mi3.11 mi2835-152708-162708-162912(Top 11%)2778(Top 18%)2778(Top 124%)
Half13.11 mi0.68 mi2808+272686+222686+222615(Top 10%)2509(Top 17%)2509(Top 112%)
25K15.53 mi2.42 mi2855-472729-432729-433217(Top 12%)3065(Top 20%)3065(Top 137%)
30K18.64 mi3.11 mi2818+372694+352694+352913(Top 11%)2758(Top 18%)2758(Top 123%)
20M20.00 mi1.36 mi2787+312663+312663+312759(Top 10%)2606(Top 17%)2606(Top 116%)
21M21.00 mi1.00 mi2755+322633+302633+302833(Top 11%)2658(Top 18%)2658(Top 119%)
35K21.75 mi0.75 mi2729+262609+242609+242559(Top 10%)2418(Top 16%)2418(Top 108%)
23M23.00 mi1.25 mi2687+422568+412568+412663(Top 10%)2496(Top 16%)2496(Top 111%)
24M24.00 mi1.00 mi2649+382528+402528+402385(Top 9%)2228(Top 15%)2228(Top 99%)
40K24.85 mi0.85 mi2608+412489+392489+392098(Top 8%)1962(Top 13%)1962(Top 88%)
25.2M25.20 mi0.35 mi2603+52483+62483+62688(Top 10%)2474(Top 16%)2474(Top 110%)
Finish26.22 mi1.02 mi2582+212461+222461+222679(Top 10%)2451(Top 16%)2451(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3099

Males

2953

M40-44

2953

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2608

Males

2494

M40-44

2494

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3099

Males

2953

M40-44

2953

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2912

Males

2778

M40-44

2778

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2615

Males

2509

M40-44

2509

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3217

Males

3065

M40-44

3065

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2913

Males

2758

M40-44

2758

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2759

Males

2606

M40-44

2606

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2833

Males

2658

M40-44

2658

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2559

Males

2418

M40-44

2418

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2663

Males

2496

M40-44

2496

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2385

Males

2228

M40-44

2228

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2098

Males

1962

M40-44

1962

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2688

Males

2474

M40-44

2474

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2679

Males

2451

M40-44

2451

Passing Analysis

Category:
Athletes Passed
925
Passed By
632
Net Change
+293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2875
5K → 10K26091+169#2875#2706
10K → 15K46160-114#2706#2820
15K → 20K6378-15#2820#2835
20K → Half314+27#2835#2808
Half → 25K4491-47#2808#2855
25K → 30K8649+37#2855#2818
30K → 20M5019+31#2818#2787
20M → 21M5321+32#2787#2755
21M → 35K3610+26#2755#2729
35K → 23M7129+42#2729#2687
23M → 24M6628+38#2687#2649
24M → 40K5716+41#2649#2608
40K → 25.2M1813+5#2608#2603
25.2M → Finish4423+21#2603#2582
TOTALS925632+293
📊

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