Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Joseph Demetrick

Bib: 14686 β€’M β€’Age: N/A

NJ

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
25:25
3.11 mi
Rank: #18101
Start β†’ 5K
25:25 | 8:11/mi
10K
51:36
6.21 mi
Rank: #19030 (-929)
5K β†’ 10K
26:11 | 8:26/mi
15K
1:17:43
9.32 mi
Rank: #19220 (-190)
10K β†’ 15K
26:07 | 8:25/mi
20K
1:42:47
12.43 mi
Rank: #18575 (+645)
15K β†’ 20K
25:04 | 8:05/mi
HALF
1:48:13
13.11 mi
Rank: #18508 (+67)
20K β†’ HALF
5:26 | 7:59/mi
25K
2:09:11
15.53 mi
Rank: #18621 (-113)
HALF β†’ 25K
20:58 | 8:39/mi
30K
2:36:01
18.64 mi
Rank: #18453 (+168)
25K β†’ 30K
26:50 | 8:39/mi
20M
2:47:57
20.00 mi
Rank: #18381 (+72)
30K β†’ 20M
11:56 | 8:48/mi
21M
2:57:46
21.00 mi
Rank: #18462 (-81)
20M β†’ 21M
9:49 | 9:49/mi
35K
3:04:18
21.75 mi
Rank: #18458 (+4)
21M β†’ 35K
6:32 | 8:44/mi
23M
3:15:57
23.00 mi
Rank: #18553 (-95)
35K β†’ 23M
11:39 | 9:19/mi
24M
3:25:02
24.00 mi
Rank: #18618 (-65)
23M β†’ 24M
9:05 | 9:05/mi
40K
3:32:57
24.85 mi
Rank: #18655 (-37)
24M β†’ 40K
7:55 | 9:16/mi
25.2M
3:36:07
25.20 mi
Rank: #18615 (+40)
40K β†’ 25.2M
3:10 | 9:11/mi
FINISH
3:44:28
26.22 mi
Rank: #18517 (+98)
25.2M β†’ FINISH
8:21 | 8:12/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:13
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:56:15
Pace8:53 /mi
πŸ“ŠPositive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5425:258:1125:25
8:11
-
10K
6.21 mi11:22:0551:368:1926:11
8:26
+0:15
15K
9.32 mi11:48:121:17:438:2126:07
8:25
-0:01
20K
12.43 mi12:13:161:42:478:1725:04
8:05
-0:20
HALF
13.11 mi12:18:421:48:138:165:26
7:59
-0:06
25K
15.53 mi12:39:402:09:118:1920:58
8:39
+0:40
30K
18.64 mi13:06:302:36:018:2326:50
8:39
0:00
20M
20.00 mi13:18:262:47:578:2411:56
8:48
+0:09
21M
21.00 mi13:28:152:57:468:289:49
9:49
+1:01
35K
21.75 mi13:34:473:04:188:296:32
8:44
-1:05
23M
23.00 mi13:46:263:15:578:3211:39
9:19
+0:35
24M
24.00 mi13:55:313:25:028:339:05
9:05
-0:14
40K
24.85 mi14:03:263:32:578:357:55
9:16
+0:11
25.2M
25.20 mi14:06:363:36:078:353:10
9:11
-0:05
FINISH
26.22 mi14:14:573:44:288:358:21
8:12
-0:59

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

7:59 /mi

Average Pace

8:34 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:04:16

29% of race

Time at Steady Pace

1:58:34

53% of race

Time at Slower Pace

41:38

19% of race

Average Pace: 8:34 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:55:5425:258:1125:25
8:11
#18101
10K
6.21 mi11:22:0551:368:1926:11
8:26
#19030
15K
9.32 mi11:48:121:17:438:2126:07
8:25
#19220
20K
12.43 mi12:13:161:42:478:1725:04
8:05
#18575
HALF
13.11 mi12:18:421:48:138:165:26
7:59
#18508
25K
15.53 mi12:39:402:09:118:1920:58
8:39
#18621
30K
18.64 mi13:06:302:36:018:2326:50
8:39
#18453
20M
20.00 mi13:18:262:47:578:2411:56
8:48
#18381
21M
21.00 mi13:28:152:57:468:289:49
9:49
#18462
35K
21.75 mi13:34:473:04:188:296:32
8:44
#18458
23M
23.00 mi13:46:263:15:578:3211:39
9:19
#18553
24M
24.00 mi13:55:313:25:028:339:05
9:05
#18618
40K
24.85 mi14:03:263:32:578:357:55
9:16
#18655
25.2M
25.20 mi14:06:363:36:078:353:10
9:11
#18615
FINISH
26.22 mi14:14:573:44:288:358:21
8:12
#18517
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi18101114611146119584(Top 67%)12135(Top 74%)12135(Top 650%)
10K6.21 mi3.10 mi19030-92911866-40511866-40519940(Top 69%)12293(Top 75%)12293(Top 658%)
15K9.32 mi3.11 mi19220-19011964-9811964-9819584(Top 67%)12135(Top 74%)12135(Top 650%)
20K12.43 mi3.11 mi18575+64511681+28311681+28316632(Top 57%)10841(Top 66%)10841(Top 580%)
HALF13.11 mi0.68 mi18508+6711654+2711654+2716885(Top 58%)10972(Top 67%)10972(Top 587%)
25K15.53 mi2.42 mi18621-11311689-3511689-3519421(Top 67%)11977(Top 73%)11977(Top 641%)
30K18.64 mi3.11 mi18453+16811578+11111578+11117661(Top 61%)11106(Top 68%)11106(Top 595%)
20M20.00 mi1.36 mi18381+7211528+5011528+5017871(Top 62%)11123(Top 68%)11123(Top 595%)
21M21.00 mi1.00 mi18462-8111548-2011548-2019792(Top 68%)11973(Top 73%)11973(Top 641%)
35K21.75 mi0.75 mi18458+411535+1311535+1318760(Top 65%)11401(Top 70%)11401(Top 610%)
23M23.00 mi1.25 mi18553-9511560-2511560-2519855(Top 68%)11863(Top 73%)11863(Top 635%)
24M24.00 mi1.00 mi18618-6511564-411564-419788(Top 68%)11768(Top 72%)11768(Top 630%)
40K24.85 mi0.85 mi18655-3711559+511559+519486(Top 67%)11587(Top 71%)11587(Top 620%)
25.2M25.20 mi0.35 mi18615+4011542+1711542+1715673(Top 54%)9844(Top 60%)9844(Top 527%)
FINISH26.22 mi1.02 mi18517+9811485+5711485+5716376(Top 56%)10167(Top 62%)10167(Top 544%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
Γ—21
+97ft-345ft

Overall

19584

Males

12135

M50-54

12135

5K→10K

3.1 - 6.2 mi

Top 69%
Γ—5
+79ft-138ft

Overall

19940

Males

12293

M50-54

12293

10K→15K

6.2 - 9.3 mi

Top 67%
Γ—3
+67ft-78ft

Overall

19584

Males

12135

M50-54

12135

15K→20K

9.3 - 12.4 mi

Top 57%
Γ—5
+106ft-86ft

Overall

16632

Males

10841

M50-54

10841

20K→HALF

12.4 - 13.1 mi

Top 58%
Γ—2
+19ft-37ft

Overall

16885

Males

10972

M50-54

10972

HALF→25K

13.1 - 15.5 mi

Top 67%
Γ—4
+66ft-88ft

Overall

19421

Males

11977

M50-54

11977

25K→30K

15.5 - 18.6 mi

Top 61%
Γ—9
+181ft-148ft

Overall

17661

Males

11106

M50-54

11106

30K→20M

18.6 - 20.0 mi

Top 62%
Γ—5
+64ft-50ft

Overall

17871

Males

11123

M50-54

11123

20M→21M

20.0 - 21.0 mi

Top 68%
Γ—8
+106ft-24ft

Overall

19792

Males

11973

M50-54

11973

21M→35K

21.0 - 21.8 mi

Top 65%
Γ—7
+17ft-86ft

Overall

18760

Males

11401

M50-54

11401

35K→23M

21.8 - 23.0 mi

Top 68%
Γ—5
+23ft-63ft

Overall

19855

Males

11863

M50-54

11863

23M→24M

23.0 - 24.0 mi

Top 68%
Γ—6
+12ft-82ft

Overall

19788

Males

11768

M50-54

11768

24M→40K

24.0 - 24.9 mi

Top 67%
Γ—1
+6ft-20ft

Overall

19486

Males

11587

M50-54

11587

40K→25.2M

24.9 - 25.2 mi

Top 54%
Γ—1
+13ft-16ft

Overall

15673

Males

9844

M50-54

9844

25.2M→FINISH

25.2 - 26.2 mi

Top 56%
Γ—2
+22ft-21ft

Overall

16376

Males

10167

M50-54

10167

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1789*
Passed By
1321
Net Change
-416
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#18101
5K β†’ 10K42200-929#18101#19030
10K β†’ 15K110200-190#19030#19220
15K β†’ 20K649*4+645#19220#18575
20K β†’ HALF747+67#18575#18508
HALF β†’ 25K100200-113#18508#18621
25K β†’ 30K258*90+168#18621#18453
30K β†’ 20M11745+72#18453#18381
20M β†’ 21M54135-81#18381#18462
21M β†’ 35K5955+4#18462#18458
35K β†’ 23M64159-95#18458#18553
23M β†’ 24M48113-65#18553#18618
24M β†’ 40K4481-37#18618#18655
40K β†’ 25.2M444+40#18655#18615
25.2M β†’ FINISH12628+98#18615#18517
TOTALS1789*1321-416

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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