Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Steven Kozusko

Bib: 7405 β€’M β€’Age: N/A

ME

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 41%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 43%
Age Group (M40-44)
#0 / 2198
Race Day Weather
51Β°/41Β°F
overcast clouds
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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
20:58
3.11 mi
Rank: #6391
Start β†’ 5K
20:58 | 6:45/mi
10K
42:01
6.21 mi
Rank: #6529 (-138)
5K β†’ 10K
21:03 | 6:47/mi
15K
1:03:53
9.32 mi
Rank: #7404 (-875)
10K β†’ 15K
21:52 | 7:03/mi
20K
1:27:13
12.43 mi
Rank: #8500 (-1096)
15K β†’ 20K
23:20 | 7:31/mi
HALF
1:32:24
13.11 mi
Rank: #8719 (-219)
20K β†’ HALF
5:11 | 7:37/mi
25K
1:51:47
15.53 mi
Rank: #9669 (-950)
HALF β†’ 25K
19:23 | 8:00/mi
30K
2:17:32
18.64 mi
Rank: #10785 (-1116)
25K β†’ 30K
25:45 | 8:18/mi
20M
2:28:46
20.00 mi
Rank: #11136 (-351)
30K β†’ 20M
11:14 | 8:17/mi
21M
2:37:35
21.00 mi
Rank: #11334 (-198)
20M β†’ 21M
8:49 | 8:49/mi
35K
2:43:50
21.75 mi
Rank: #11545 (-211)
21M β†’ 35K
6:15 | 8:22/mi
23M
2:54:07
23.00 mi
Rank: #11667 (-122)
35K β†’ 23M
10:17 | 8:14/mi
24M
3:02:25
24.00 mi
Rank: #11838 (-171)
23M β†’ 24M
8:18 | 8:18/mi
40K
3:09:30
24.85 mi
Rank: #11929 (-91)
24M β†’ 40K
7:05 | 8:18/mi
25.2M
3:12:33
25.20 mi
Rank: #11948 (-19)
40K β†’ 25.2M
3:03 | 8:51/mi
FINISH
3:19:52
26.22 mi
Rank: #11816 (+132)
25.2M β†’ FINISH
7:19 | 7:11/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:24
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:47:28
Pace8:12 /mi
πŸ“ŠPositive Split: 16.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:5920:586:4520:58
6:45
-
10K
6.21 mi10:50:0242:016:4621:03
6:47
+0:02
15K
9.32 mi11:11:541:03:536:5221:52
7:03
+0:16
20K
12.43 mi11:35:141:27:137:0223:20
7:31
+0:28
HALF
13.11 mi11:40:251:32:247:035:11
7:37
+0:06
25K
15.53 mi11:59:481:51:477:1219:23
8:00
+0:23
30K
18.64 mi12:25:332:17:327:2325:45
8:18
+0:18
20M
20.00 mi12:36:472:28:467:2711:14
8:17
-0:01
21M
21.00 mi12:45:362:37:357:318:49
8:49
+0:32
35K
21.75 mi12:51:512:43:507:326:15
8:22
-0:27
23M
23.00 mi13:02:082:54:077:3510:17
8:14
-0:08
24M
24.00 mi13:10:263:02:257:378:18
8:18
+0:04
40K
24.85 mi13:17:313:09:307:387:05
8:18
0:00
25.2M
25.20 mi13:20:343:12:337:393:03
8:51
+0:33
FINISH
26.22 mi13:27:533:19:527:387:19
7:11
-1:40

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

6:45 /mi

Average Pace

7:38 /mi

Slowest Pace

8:51 /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

1:39:43

50% of race

Time at Steady Pace

1:28:17

44% of race

Time at Slower Pace

11:52

6% of race

Average Pace: 7:37 /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 mi10:28:5920:586:4520:58
6:45
#6391
10K
6.21 mi10:50:0242:016:4621:03
6:47
#6529
15K
9.32 mi11:11:541:03:536:5221:52
7:03
#7404
20K
12.43 mi11:35:141:27:137:0223:20
7:31
#8500
HALF
13.11 mi11:40:251:32:247:035:11
7:37
#8719
25K
15.53 mi11:59:481:51:477:1219:23
8:00
#9669
30K
18.64 mi12:25:332:17:327:2325:45
8:18
#10785
20M
20.00 mi12:36:472:28:467:2711:14
8:17
#11136
21M
21.00 mi12:45:362:37:357:318:49
8:49
#11334
35K
21.75 mi12:51:512:43:507:326:15
8:22
#11545
23M
23.00 mi13:02:082:54:077:3510:17
8:14
#11667
24M
24.00 mi13:10:263:02:257:378:18
8:18
#11838
40K
24.85 mi13:17:313:09:307:387:05
8:18
#11929
25.2M
25.20 mi13:20:343:12:337:393:03
8:51
#11948
FINISH
26.22 mi13:27:533:19:527:387:19
7:11
#11816
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6391578257828809(Top 30%)7366(Top 45%)7366(Top 335%)
10K6.21 mi3.10 mi6529-1385874-925874-926729(Top 23%)5999(Top 37%)5999(Top 273%)
15K9.32 mi3.11 mi7404-8756481-6076481-6078809(Top 30%)7366(Top 45%)7366(Top 335%)
20K12.43 mi3.11 mi8500-10967183-7027183-70212052(Top 42%)8868(Top 54%)8868(Top 403%)
HALF13.11 mi0.68 mi8719-2197313-1307313-13013792(Top 48%)9687(Top 59%)9687(Top 441%)
25K15.53 mi2.42 mi9669-9507828-5157828-51515316(Top 53%)10214(Top 63%)10214(Top 465%)
30K18.64 mi3.11 mi10785-11168311-4838311-48315520(Top 53%)10201(Top 62%)10201(Top 464%)
20M20.00 mi1.36 mi11136-3518459-1488459-14814685(Top 51%)9756(Top 60%)9756(Top 444%)
21M21.00 mi1.00 mi11334-1988541-828541-8215038(Top 52%)9820(Top 60%)9820(Top 447%)
35K21.75 mi0.75 mi11545-2118630-898630-8916711(Top 58%)10485(Top 64%)10485(Top 477%)
23M23.00 mi1.25 mi11667-1228647-178647-1713882(Top 48%)9187(Top 56%)9187(Top 418%)
24M24.00 mi1.00 mi11838-1718690-438690-4315649(Top 54%)9886(Top 61%)9886(Top 450%)
40K24.85 mi0.85 mi11929-918704-148704-1414319(Top 49%)9193(Top 56%)9193(Top 418%)
25.2M25.20 mi0.35 mi11948-198700+48700+413689(Top 47%)8901(Top 54%)8901(Top 405%)
FINISH26.22 mi1.02 mi11816+1328605+958605+958964(Top 31%)6576(Top 40%)6576(Top 299%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
Γ—21
+97ft-345ft

Overall

8809

Males

7366

M40-44

7366

5K→10K

3.1 - 6.2 mi

Top 23%
Γ—5
+79ft-138ft

Overall

6729

Males

5999

M40-44

5999

10K→15K

6.2 - 9.3 mi

Top 30%
Γ—3
+67ft-78ft

Overall

8809

Males

7366

M40-44

7366

15K→20K

9.3 - 12.4 mi

Top 42%
Γ—5
+106ft-86ft

Overall

12052

Males

8868

M40-44

8868

20K→HALF

12.4 - 13.1 mi

Top 48%
Γ—2
+19ft-37ft

Overall

13792

Males

9687

M40-44

9687

HALF→25K

13.1 - 15.5 mi

Top 53%
Γ—4
+66ft-88ft

Overall

15316

Males

10214

M40-44

10214

25K→30K

15.5 - 18.6 mi

Top 53%
Γ—9
+181ft-148ft

Overall

15520

Males

10201

M40-44

10201

30K→20M

18.6 - 20.0 mi

Top 51%
Γ—5
+64ft-50ft

Overall

14685

Males

9756

M40-44

9756

20M→21M

20.0 - 21.0 mi

Top 52%
Γ—8
+106ft-24ft

Overall

15038

Males

9820

M40-44

9820

21M→35K

21.0 - 21.8 mi

Top 58%
Γ—7
+17ft-86ft

Overall

16711

Males

10485

M40-44

10485

35K→23M

21.8 - 23.0 mi

Top 48%
Γ—5
+23ft-63ft

Overall

13882

Males

9187

M40-44

9187

23M→24M

23.0 - 24.0 mi

Top 54%
Γ—6
+12ft-82ft

Overall

15649

Males

9886

M40-44

9886

24M→40K

24.0 - 24.9 mi

Top 49%
Γ—1
+6ft-20ft

Overall

14319

Males

9193

M40-44

9193

40K→25.2M

24.9 - 25.2 mi

Top 47%
Γ—1
+13ft-16ft

Overall

13689

Males

8901

M40-44

8901

25.2M→FINISH

25.2 - 26.2 mi

Top 31%
Γ—2
+22ft-21ft

Overall

8964

Males

6576

M40-44

6576

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
681
Passed By
2403
Net Change
-5425
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#6391
5K β†’ 10K136200-138#6391#6529
10K β†’ 15K17200-875#6529#7404
15K β†’ 20K18200-1096#7404#8500
20K β†’ HALF2200-219#8500#8719
HALF β†’ 25K19200-950#8719#9669
25K β†’ 30K39200-1116#9669#10785
30K β†’ 20M31200-351#10785#11136
20M β†’ 21M45200-198#11136#11334
21M β†’ 35K23200-211#11334#11545
35K β†’ 23M70192-122#11545#11667
23M β†’ 24M48200-171#11667#11838
24M β†’ 40K55146-91#11838#11929
40K β†’ 25.2M2544-19#11929#11948
25.2M β†’ FINISH15321+132#11948#11816
TOTALS6812403-5425
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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