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BOSTON MARATHON 2023

Marcos Locke

Bib: 12662•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 47%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:01/mi
24:55
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
50:04
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:14:01
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:38:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:43:31
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
2:02:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:27:54
↑ 181↓ 1480.2%
20M
8:23/mi
2:39:18
↑ 64↓ 500.2%
21M
8:45/mi
2:48:03
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
2:54:14
↑ 17↓ 861.7%
23M
8:20/mi
3:04:40
↑ 23↓ 630.6%
24M
8:07/mi
3:12:47
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:19:50
↓ 200.3%
25.2M
8:39/mi
3:22:49
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:30:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:31
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:47:10
Pace8:11 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0624:558:0124:55
8:01
-
10K
6.21 mi11:42:1550:048:0325:09
8:06
+0:05
15K
9.32 mi12:06:121:14:017:5623:57
7:43
-0:23
20K
12.43 mi12:30:271:38:167:5424:15
7:48
+0:05
Half
13.11 mi12:35:421:43:317:545:15
7:42
-0:06
25K
15.53 mi12:54:532:02:427:5419:11
7:55
+0:13
30K
18.64 mi13:20:052:27:547:5625:12
8:07
+0:12
20M
20.00 mi13:31:292:39:187:5811:24
8:23
+0:16
21M
21.00 mi13:40:142:48:038:008:45
8:45
+0:22
35K
21.75 mi13:46:252:54:148:016:11
8:16
-0:29
23M
23.00 mi13:56:513:04:408:0210:26
8:20
+0:04
24M
24.00 mi14:04:583:12:478:028:07
8:07
-0:13
40K
24.85 mi14:12:013:19:508:027:03
8:15
+0:08
25.2M
25.20 mi14:15:003:22:498:032:59
8:39
+0:24
Finish
26.22 mi14:22:523:30:418:027:52
7:43
-0:56

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

7:42 /mi

Average Pace

8:02 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:57

94% of race

Time at Steady Pace

11:44

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:02 /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 mi11:17:0624:558:0124:55
8:01
#14146
10K
6.21 mi11:42:1550:048:0325:09
8:06
#14791
15K
9.32 mi12:06:121:14:017:5623:57
7:43
#13906
20K
12.43 mi12:30:271:38:167:5424:15
7:48
#13383
Half
13.11 mi12:35:421:43:317:545:15
7:42
#13286
25K
15.53 mi12:54:532:02:427:5419:11
7:55
#13027
30K
18.64 mi13:20:052:27:547:5625:12
8:07
#12767
20M
20.00 mi13:31:292:39:187:5811:24
8:23
#12744
21M
21.00 mi13:40:142:48:038:008:45
8:45
#12681
35K
21.75 mi13:46:252:54:148:016:11
8:16
#12706
23M
23.00 mi13:56:513:04:408:0210:26
8:20
#12672
24M
24.00 mi14:04:583:12:478:028:07
8:07
#12632
40K
24.85 mi14:12:013:19:508:027:03
8:15
#12592
25.2M
25.20 mi14:15:003:22:498:032:59
8:39
#12548
Finish
26.22 mi14:22:523:30:418:027:52
7:43
#12444
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi14146100081000811907(Top 45%)9040(Top 60%)9040(Top 401%)
10K6.21 mi3.10 mi14791-64510250-24210250-24215466(Top 58%)10497(Top 69%)10497(Top 466%)
15K9.32 mi3.11 mi13906+8859886+3649886+36411907(Top 45%)9040(Top 60%)9040(Top 401%)
20K12.43 mi3.11 mi13383+5239656+2309656+23011781(Top 44%)8928(Top 59%)8928(Top 396%)
Half13.11 mi0.68 mi13286+979613+439613+4311812(Top 44%)8997(Top 59%)8997(Top 400%)
25K15.53 mi2.42 mi13027+2599496+1179496+11711998(Top 45%)8908(Top 59%)8908(Top 396%)
30K18.64 mi3.11 mi12767+2609339+1579339+15711721(Top 44%)8682(Top 57%)8682(Top 386%)
20M20.00 mi1.36 mi12744+239305+349305+3412921(Top 49%)9089(Top 60%)9089(Top 404%)
21M21.00 mi1.00 mi12681+639263+429263+4211945(Top 45%)8562(Top 56%)8562(Top 380%)
35K21.75 mi0.75 mi12706-259258+59258+513852(Top 52%)9341(Top 62%)9341(Top 415%)
23M23.00 mi1.25 mi12672+349223+359223+3512110(Top 45%)8519(Top 56%)8519(Top 378%)
24M24.00 mi1.00 mi12632+409182+419182+4112025(Top 45%)8410(Top 55%)8410(Top 373%)
40K24.85 mi0.85 mi12592+409151+319151+3111647(Top 44%)8149(Top 54%)8149(Top 362%)
25.2M25.20 mi0.35 mi12548+449126+259126+2510434(Top 39%)7532(Top 50%)7532(Top 334%)
Finish26.22 mi1.02 mi12444+1049055+719055+7110090(Top 38%)7344(Top 48%)7344(Top 326%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11907

Males

9040

M45-49

9040

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15466

Males

10497

M45-49

10497

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11907

Males

9040

M45-49

9040

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11781

Males

8928

M45-49

8928

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11812

Males

8997

M45-49

8997

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11998

Males

8908

M45-49

8908

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11721

Males

8682

M45-49

8682

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12921

Males

9089

M45-49

9089

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11945

Males

8562

M45-49

8562

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13852

Males

9341

M45-49

9341

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12110

Males

8519

M45-49

8519

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12025

Males

8410

M45-49

8410

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11647

Males

8149

M45-49

8149

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10434

Males

7532

M45-49

7532

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10090

Males

7344

M45-49

7344

Passing Analysis

Category:
Athletes Passed
2968
Passed By
1266
Net Change
+1702
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14146
5K → 10K88733-645#14146#14791
10K → 15K89813+885#14791#13906
15K → 20K53613+523#13906#13383
20K → Half1014+97#13383#13286
Half → 25K29738+259#13286#13027
25K → 30K32363+260#13027#12767
30K → 20M11996+23#12767#12744
20M → 21M12057+63#12744#12681
21M → 35K4065-25#12681#12706
35K → 23M9965+34#12706#12672
23M → 24M9454+40#12672#12632
24M → 40K7636+40#12632#12592
40K → 25.2M506+44#12592#12548
25.2M → Finish12723+104#12548#12444
TOTALS29681266+1702
📊

Passing Visuals

Category:
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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