Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Frederick Kostecki

Bib: 27352 β€’M β€’Age: N/A

MO

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 (M55-59)
#0 / 1491
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
33:34
3.11 mi
Rank: #27725
Start β†’ 5K
33:34 | 10:49/mi
10K
1:10:52
6.21 mi
Rank: #28311 (-586)
5K β†’ 10K
37:18 | 12:01/mi
15K
1:49:06
9.32 mi
Rank: #28412 (-101)
10K β†’ 15K
38:14 | 12:19/mi
20K
2:29:50
12.43 mi
Rank: #28514 (-102)
15K β†’ 20K
40:44 | 13:07/mi
HALF
2:38:13
13.11 mi
Rank: #28508 (+6)
20K β†’ HALF
8:23 | 12:18/mi
25K
3:09:59
15.53 mi
Rank: #28487 (+21)
HALF β†’ 25K
31:46 | 13:06/mi
30K
3:53:34
18.64 mi
Rank: #28491 (-4)
25K β†’ 30K
43:35 | 14:02/mi
20M
4:13:13
20.00 mi
Rank: #28502 (-11)
30K β†’ 20M
19:39 | 14:28/mi
21M
4:28:05
21.00 mi
Rank: #28493 (+9)
20M β†’ 21M
14:52 | 14:52/mi
35K
4:38:33
21.75 mi
Rank: #28498 (-5)
21M β†’ 35K
10:28 | 14:00/mi
23M
4:56:55
23.00 mi
Rank: #28516 (-18)
35K β†’ 23M
18:22 | 14:41/mi
24M
5:11:21
24.00 mi
Rank: #28539 (-23)
23M β†’ 24M
14:26 | 14:26/mi
40K
5:23:52
24.85 mi
Rank: #28536 (+3)
24M β†’ 40K
12:31 | 14:39/mi
25.2M
5:29:11
25.20 mi
Rank: #28539 (-3)
40K β†’ 25.2M
5:19 | 15:26/mi
FINISH
5:42:46
26.22 mi
Rank: #28534 (+5)
25.2M β†’ FINISH
13:35 | 13:20/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
Time2:38:13
Pace12:05 /mi
2nd Half
Distance13.11 mi
Time3:04:33
Pace14:05 /mi
πŸ“ŠPositive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4233:3410:4933:34
10:49
-
10K
6.21 mi12:32:001:10:5211:2537:18
12:01
+1:12
15K
9.32 mi13:10:141:49:0611:4338:14
12:19
+0:18
20K
12.43 mi13:50:582:29:5012:0440:44
13:07
+0:48
HALF
13.11 mi13:59:212:38:1312:058:23
12:18
-0:49
25K
15.53 mi14:31:073:09:5912:1431:46
13:06
+0:48
30K
18.64 mi15:14:423:53:3412:3243:35
14:02
+0:56
20M
20.00 mi15:34:214:13:1312:4019:39
14:28
+0:26
21M
21.00 mi15:49:134:28:0512:4614:52
14:52
+0:24
35K
21.75 mi15:59:414:38:3312:4910:28
14:00
-0:52
23M
23.00 mi16:18:034:56:5512:5518:22
14:41
+0:41
24M
24.00 mi16:32:295:11:2112:5914:26
14:26
-0:15
40K
24.85 mi16:45:005:23:5213:0212:31
14:39
+0:13
25.2M
25.20 mi16:50:195:29:1113:045:19
15:26
+0:47
FINISH
26.22 mi17:03:545:42:4613:0513:35
13:20
-2:06

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

10:49 /mi

Average Pace

13:05 /mi

Slowest Pace

15:26 /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

3:23:34

59% of race

Time at Steady Pace

1:28:08

26% of race

Time at Slower Pace

51:04

15% of race

Average Pace: 13:04 /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 mi11:54:4233:3410:4933:34
10:49
#27725
10K
6.21 mi12:32:001:10:5211:2537:18
12:01
#28311
15K
9.32 mi13:10:141:49:0611:4338:14
12:19
#28412
20K
12.43 mi13:50:582:29:5012:0440:44
13:07
#28514
HALF
13.11 mi13:59:212:38:1312:058:23
12:18
#28508
25K
15.53 mi14:31:073:09:5912:1431:46
13:06
#28487
30K
18.64 mi15:14:423:53:3412:3243:35
14:02
#28491
20M
20.00 mi15:34:214:13:1312:4019:39
14:28
#28502
21M
21.00 mi15:49:134:28:0512:4614:52
14:52
#28493
35K
21.75 mi15:59:414:38:3312:4910:28
14:00
#28498
23M
23.00 mi16:18:034:56:5512:5518:22
14:41
#28516
24M
24.00 mi16:32:295:11:2112:5914:26
14:26
#28539
40K
24.85 mi16:45:005:23:5213:0212:31
14:39
#28536
25.2M
25.20 mi16:50:195:29:1113:045:19
15:26
#28539
FINISH
26.22 mi17:03:545:42:4613:0513:35
13:20
#28534
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi27725159191591928543(Top 98%)16181(Top 99%)16181(Top 1085%)
10K6.21 mi3.10 mi28311-58616122-20316122-20328587(Top 99%)16205(Top 99%)16205(Top 1087%)
15K9.32 mi3.11 mi28412-10116141-1916141-1928543(Top 98%)16181(Top 99%)16181(Top 1085%)
20K12.43 mi3.11 mi28514-10216180-3916180-3928661(Top 99%)16200(Top 99%)16200(Top 1087%)
HALF13.11 mi0.68 mi28508+616178+216178+228422(Top 98%)16100(Top 99%)16100(Top 1080%)
25K15.53 mi2.42 mi28487+2116162+1616162+1628280(Top 97%)16053(Top 98%)16053(Top 1077%)
30K18.64 mi3.11 mi28491-416153+916153+928374(Top 98%)16046(Top 98%)16046(Top 1076%)
20M20.00 mi1.36 mi28502-1116150+316150+328374(Top 98%)16031(Top 98%)16031(Top 1075%)
21M21.00 mi1.00 mi28493+916144+616144+627981(Top 96%)15827(Top 97%)15827(Top 1062%)
35K21.75 mi0.75 mi28498-516142+216142+228340(Top 98%)15971(Top 98%)15971(Top 1071%)
23M23.00 mi1.25 mi28516-1816146-416146-428502(Top 98%)16053(Top 98%)16053(Top 1077%)
24M24.00 mi1.00 mi28539-2316152-616152-628537(Top 98%)16053(Top 98%)16053(Top 1077%)
40K24.85 mi0.85 mi28536+316153-116153-128277(Top 97%)15919(Top 97%)15919(Top 1068%)
25.2M25.20 mi0.35 mi28539-316154-116154-128152(Top 97%)15846(Top 97%)15846(Top 1063%)
FINISH26.22 mi1.02 mi28534+516152+216152+228404(Top 98%)15992(Top 98%)15992(Top 1073%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
Γ—21
+97ft-345ft

Overall

28543

Males

16181

M55-59

16181

5K→10K

3.1 - 6.2 mi

Top 99%
Γ—5
+79ft-138ft

Overall

28587

Males

16205

M55-59

16205

10K→15K

6.2 - 9.3 mi

Top 98%
Γ—3
+67ft-78ft

Overall

28543

Males

16181

M55-59

16181

15K→20K

9.3 - 12.4 mi

Top 99%
Γ—5
+106ft-86ft

Overall

28661

Males

16200

M55-59

16200

20K→HALF

12.4 - 13.1 mi

Top 98%
Γ—2
+19ft-37ft

Overall

28422

Males

16100

M55-59

16100

HALF→25K

13.1 - 15.5 mi

Top 97%
Γ—4
+66ft-88ft

Overall

28280

Males

16053

M55-59

16053

25K→30K

15.5 - 18.6 mi

Top 98%
Γ—9
+181ft-148ft

Overall

28374

Males

16046

M55-59

16046

30K→20M

18.6 - 20.0 mi

Top 98%
Γ—5
+64ft-50ft

Overall

28374

Males

16031

M55-59

16031

20M→21M

20.0 - 21.0 mi

Top 96%
Γ—8
+106ft-24ft

Overall

27981

Males

15827

M55-59

15827

21M→35K

21.0 - 21.8 mi

Top 98%
Γ—7
+17ft-86ft

Overall

28340

Males

15971

M55-59

15971

35K→23M

21.8 - 23.0 mi

Top 98%
Γ—5
+23ft-63ft

Overall

28502

Males

16053

M55-59

16053

23M→24M

23.0 - 24.0 mi

Top 98%
Γ—6
+12ft-82ft

Overall

28537

Males

16053

M55-59

16053

24M→40K

24.0 - 24.9 mi

Top 97%
Γ—1
+6ft-20ft

Overall

28277

Males

15919

M55-59

15919

40K→25.2M

24.9 - 25.2 mi

Top 97%
Γ—1
+13ft-16ft

Overall

28152

Males

15846

M55-59

15846

25.2M→FINISH

25.2 - 26.2 mi

Top 98%
Γ—2
+22ft-21ft

Overall

28404

Males

15992

M55-59

15992

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
282
Passed By
691
Net Change
-809
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27725
5K β†’ 10K14200-586#27725#28311
10K β†’ 15K44145-101#28311#28412
15K β†’ 20K25127-102#28412#28514
20K β†’ HALF115+6#28514#28508
HALF β†’ 25K5635+21#28508#28487
25K β†’ 30K4145-4#28487#28491
30K β†’ 20M1930-11#28491#28502
20M β†’ 21M2213+9#28502#28493
21M β†’ 35K1015-5#28493#28498
35K β†’ 23M1028-18#28498#28516
23M β†’ 24M225-23#28516#28539
24M β†’ 40K1411+3#28539#28536
40K β†’ 25.2M25-3#28536#28539
25.2M β†’ FINISH127+5#28539#28534
TOTALS282691-809
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

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