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BOSTON MARATHON 2023

Martin Contreras

Bib: 13149•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 48%
Division (M55-59)
#0 / 1422
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:14
Rank: #12325
Start → 5K
24:14 | 7:48/mi
10K· 6.21 mi
47:57
Rank: #11963 (+362)
5K → 10K
23:43 | 7:38/mi
15K· 9.32 mi
1:12:01
Rank: #12017 (-54)
10K → 15K
24:04 | 7:45/mi
20K· 12.43 mi
1:36:11
Rank: #11867 (+150)
15K → 20K
24:10 | 7:47/mi
Half· 13.11 mi
1:41:27
Rank: #11884 (-17)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
2:01:02
Rank: #12106 (-222)
Half → 25K
19:35 | 8:05/mi
30K· 18.64 mi
2:25:37
Rank: #11712 (+394)
25K → 30K
24:35 | 7:55/mi
20M
2:36:52
Rank: #11736 (-24)
30K → 20M
11:15 | 8:17/mi
21M
2:45:42
Rank: #11779 (-43)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
2:51:38
Rank: #11784 (-5)
21M → 35K
5:56 | 7:56/mi
23M
3:02:01
Rank: #11761 (+23)
35K → 23M
10:23 | 8:18/mi
24M
3:09:52
Rank: #11675 (+86)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
3:17:06
Rank: #11735 (-60)
24M → 40K
7:14 | 8:28/mi
25.2M
3:20:09
Rank: #11719 (+16)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:27:53
Rank: #11580 (+139)
25.2M → Finish
7:44 | 7:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:27
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:46:26
Pace8:07 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5524:147:4824:14
7:48
-
10K
6.21 mi11:16:3847:577:4323:43
7:38
-0:10
15K
9.32 mi11:40:421:12:017:4424:04
7:45
+0:07
20K
12.43 mi12:04:521:36:117:4424:10
7:47
+0:02
Half
13.11 mi12:10:081:41:277:445:16
7:43
-0:04
25K
15.53 mi12:29:432:01:027:4719:35
8:05
+0:22
30K
18.64 mi12:54:182:25:377:4924:35
7:55
-0:10
20M
20.00 mi13:05:332:36:527:5111:15
8:17
+0:22
21M
21.00 mi13:14:232:45:427:538:50
8:50
+0:33
35K
21.75 mi13:20:192:51:387:545:56
7:56
-0:54
23M
23.00 mi13:30:423:02:017:5510:23
8:18
+0:22
24M
24.00 mi13:38:333:09:527:557:51
7:51
-0:27
40K
24.85 mi13:45:473:17:067:567:14
8:28
+0:37
25.2M
25.20 mi13:48:503:20:097:573:03
8:51
+0:23
Finish
26.22 mi13:56:343:27:537:567:44
7:35
-1:16

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

7:35 /mi

Average Pace

7:56 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:46

91% of race

Time at Steady Pace

19:07

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi10:52:5524:147:4824:14
7:48
#12325
10K
6.21 mi11:16:3847:577:4323:43
7:38
#11963
15K
9.32 mi11:40:421:12:017:4424:04
7:45
#12017
20K
12.43 mi12:04:521:36:117:4424:10
7:47
#11867
Half
13.11 mi12:10:081:41:277:445:16
7:43
#11884
25K
15.53 mi12:29:432:01:027:4719:35
8:05
#12106
30K
18.64 mi12:54:182:25:377:4924:35
7:55
#11712
20M
20.00 mi13:05:332:36:527:5111:15
8:17
#11736
21M
21.00 mi13:14:232:45:427:538:50
8:50
#11779
35K
21.75 mi13:20:192:51:387:545:56
7:56
#11784
23M
23.00 mi13:30:423:02:017:5510:23
8:18
#11761
24M
24.00 mi13:38:333:09:527:557:51
7:51
#11675
40K
24.85 mi13:45:473:17:067:567:14
8:28
#11735
25.2M
25.20 mi13:48:503:20:097:573:03
8:51
#11719
Finish
26.22 mi13:56:343:27:537:567:44
7:35
#11580
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi123259253925312244(Top 46%)9184(Top 61%)9184(Top 646%)
10K6.21 mi3.10 mi11963+3629097+1569097+15611624(Top 44%)8945(Top 59%)8945(Top 629%)
15K9.32 mi3.11 mi12017-549097909712244(Top 46%)9184(Top 61%)9184(Top 646%)
20K12.43 mi3.11 mi11867+1509011+869011+8611538(Top 43%)8818(Top 58%)8818(Top 620%)
Half13.11 mi0.68 mi11884-179020-99020-911984(Top 45%)9061(Top 60%)9061(Top 637%)
25K15.53 mi2.42 mi12106-2229091-719091-7113331(Top 50%)9490(Top 63%)9490(Top 667%)
30K18.64 mi3.11 mi11712+3948882+2098882+20910230(Top 38%)7951(Top 52%)7951(Top 559%)
20M20.00 mi1.36 mi11736-248874+88874+812196(Top 46%)8788(Top 58%)8788(Top 618%)
21M21.00 mi1.00 mi11779-438875-18875-112430(Top 47%)8767(Top 58%)8767(Top 617%)
35K21.75 mi0.75 mi11784-58862+138862+1311590(Top 44%)8382(Top 55%)8382(Top 589%)
23M23.00 mi1.25 mi11761+238832+308832+3011821(Top 44%)8386(Top 55%)8386(Top 590%)
24M24.00 mi1.00 mi11675+868775+578775+5710146(Top 38%)7480(Top 49%)7480(Top 526%)
40K24.85 mi0.85 mi11735-608779-48779-413049(Top 49%)8798(Top 58%)8798(Top 619%)
25.2M25.20 mi0.35 mi11719+168760+198760+1911532(Top 43%)8046(Top 53%)8046(Top 566%)
Finish26.22 mi1.02 mi11580+1398666+948666+949196(Top 35%)6866(Top 45%)6866(Top 483%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12244

Males

9184

M55-59

9184

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11624

Males

8945

M55-59

8945

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12244

Males

9184

M55-59

9184

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11538

Males

8818

M55-59

8818

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

11984

Males

9061

M55-59

9061

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13331

Males

9490

M55-59

9490

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10230

Males

7951

M55-59

7951

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12196

Males

8788

M55-59

8788

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12430

Males

8767

M55-59

8767

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11590

Males

8382

M55-59

8382

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11821

Males

8386

M55-59

8386

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10146

Males

7480

M55-59

7480

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13049

Males

8798

M55-59

8798

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11532

Males

8046

M55-59

8046

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9196

Males

6866

M55-59

6866

Passing Analysis

Category:
Athletes Passed
2135
Passed By
1390
Net Change
+745
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12325
5K → 10K534172+362#12325#11963
10K → 15K174228-54#11963#12017
15K → 20K24292+150#12017#11867
20K → Half2441-17#11867#11884
Half → 25K66288-222#11884#12106
25K → 30K42127+394#12106#11712
30K → 20M92116-24#11712#11736
20M → 21M71114-43#11736#11779
21M → 35K4651-5#11779#11784
35K → 23M10784+23#11784#11761
23M → 24M11327+86#11761#11675
24M → 40K47107-60#11675#11735
40K → 25.2M3923+16#11735#11719
25.2M → Finish15920+139#11719#11580
TOTALS21351390+745
📊

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