Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Alexander Smirnov

Bib: 9167MAge: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 44%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 46%
Age Group (M40-44)
#0 / 2198
Race Day Weather
51°/41°F
overcast clouds
Personalized for Alexander

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 7:11/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
22:20
3.11 mi
Rank: #10062
Start5K
22:20 | 7:12/mi
10K
45:26
6.21 mi
Rank: #11178 (-1116)
5K10K
23:06 | 7:27/mi
15K
1:07:57
9.32 mi
Rank: #10948 (+230)
10K15K
22:31 | 7:15/mi
20K
1:31:18
12.43 mi
Rank: #11243 (-295)
15K20K
23:21 | 7:31/mi
HALF
1:36:16
13.11 mi
Rank: #11240 (+3)
20KHALF
4:58 | 7:18/mi
25K
1:54:26
15.53 mi
Rank: #11241 (-1)
HALF25K
18:10 | 7:30/mi
30K
2:19:59
18.64 mi
Rank: #11949 (-708)
25K30K
25:33 | 8:14/mi
20M
2:30:43
20.00 mi
Rank: #11957 (-8)
30K20M
10:44 | 7:55/mi
21M
2:39:11
21.00 mi
Rank: #12000 (-43)
20M21M
8:28 | 8:28/mi
35K
2:45:13
21.75 mi
Rank: #12096 (-96)
21M35K
6:02 | 8:04/mi
23M
2:55:20
23.00 mi
Rank: #12139 (-43)
35K23M
10:07 | 8:06/mi
24M
3:03:26
24.00 mi
Rank: #12221 (-82)
23M24M
8:06 | 8:06/mi
40K
3:10:44
24.85 mi
Rank: #12352 (-131)
24M40K
7:18 | 8:33/mi
25.2M
3:13:59
25.20 mi
Rank: #12436 (-84)
40K25.2M
3:15 | 9:26/mi
FINISH
3:22:53
26.22 mi
Rank: #12716 (-280)
25.2MFINISH
8:54 | 8:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:16
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:46:37
Pace8:08 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:5322:207:1222:20
7:12
-
10K
6.21 mi11:00:5945:267:1923:06
7:27
+0:15
15K
9.32 mi11:23:301:07:577:1822:31
7:15
-0:12
20K
12.43 mi11:46:511:31:187:2123:21
7:31
+0:16
HALF
13.11 mi11:51:491:36:167:214:58
7:18
-0:13
25K
15.53 mi12:09:591:54:267:2218:10
7:30
+0:12
30K
18.64 mi12:35:322:19:597:3125:33
8:14
+0:44
20M
20.00 mi12:46:162:30:437:3310:44
7:55
-0:19
21M
21.00 mi12:54:442:39:117:358:28
8:28
+0:33
35K
21.75 mi13:00:462:45:137:366:02
8:04
-0:24
23M
23.00 mi13:10:532:55:207:3810:07
8:06
+0:02
24M
24.00 mi13:18:593:03:267:398:06
8:06
0:00
40K
24.85 mi13:26:173:10:447:417:18
8:33
+0:27
25.2M
25.20 mi13:29:323:13:597:423:15
9:26
+0:53
FINISH
26.22 mi13:38:263:22:537:458:54
8:45
-0:41

Checkpoint Splits Visualizations

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

📈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

7:12 /mi

Average Pace

7:45 /mi

Slowest Pace

9:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

1:54:26

56% of race

Time at Steady Pace

1:00:32

30% of race

Time at Slower Pace

27:55

14% of race

Average Pace: 7:44 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:37:5322:207:1222:20
7:12
#10062
10K
6.21 mi11:00:5945:267:1923:06
7:27
#11178
15K
9.32 mi11:23:301:07:577:1822:31
7:15
#10948
20K
12.43 mi11:46:511:31:187:2123:21
7:31
#11243
HALF
13.11 mi11:51:491:36:167:214:58
7:18
#11240
25K
15.53 mi12:09:591:54:267:2218:10
7:30
#11241
30K
18.64 mi12:35:322:19:597:3125:33
8:14
#11949
20M
20.00 mi12:46:162:30:437:3310:44
7:55
#11957
21M
21.00 mi12:54:442:39:117:358:28
8:28
#12000
35K
21.75 mi13:00:462:45:137:366:02
8:04
#12096
23M
23.00 mi13:10:532:55:207:3810:07
8:06
#12139
24M
24.00 mi13:18:593:03:267:398:06
8:06
#12221
40K
24.85 mi13:26:173:10:447:417:18
8:33
#12352
25.2M
25.20 mi13:29:323:13:597:423:15
9:26
#12436
FINISH
26.22 mi13:38:263:22:537:458:54
8:45
#12716
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 mi100628119811910534(Top 36%)8268(Top 51%)8268(Top 376%)
10K6.21 mi3.10 mi11178-11168647-5288647-52812388(Top 43%)9142(Top 56%)9142(Top 416%)
15K9.32 mi3.11 mi10948+2308513+1348513+13410534(Top 36%)8268(Top 51%)8268(Top 376%)
20K12.43 mi3.11 mi11243-2958614-1018614-10112094(Top 42%)8890(Top 54%)8890(Top 404%)
HALF13.11 mi0.68 mi11240+38606+88606+811065(Top 38%)8537(Top 52%)8537(Top 388%)
25K15.53 mi2.42 mi11241-18591+158591+1511332(Top 39%)8483(Top 52%)8483(Top 386%)
30K18.64 mi3.11 mi11949-7088849-2588849-25815069(Top 52%)9998(Top 61%)9998(Top 455%)
20M20.00 mi1.36 mi11957-88834+158834+1512089(Top 42%)8605(Top 53%)8605(Top 391%)
21M21.00 mi1.00 mi12000-438840-68840-612881(Top 44%)8845(Top 54%)8845(Top 402%)
35K21.75 mi0.75 mi12096-968869-298869-2914873(Top 51%)9687(Top 59%)9687(Top 441%)
23M23.00 mi1.25 mi12139-438852+178852+1713014(Top 45%)8807(Top 54%)8807(Top 401%)
24M24.00 mi1.00 mi12221-828849+38849+314396(Top 50%)9323(Top 57%)9323(Top 424%)
40K24.85 mi0.85 mi12352-1318893-448893-4415880(Top 55%)9914(Top 61%)9914(Top 451%)
25.2M25.20 mi0.35 mi12436-848926-338926-3316864(Top 58%)10351(Top 63%)10351(Top 471%)
FINISH26.22 mi1.02 mi12716-2809013-879013-8719295(Top 66%)11514(Top 70%)11514(Top 524%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21
+97ft-345ft

Overall

10534

Males

8268

M40-44

8268

5K→10K

3.1 - 6.2 mi

Top 43%
×5
+79ft-138ft

Overall

12388

Males

9142

M40-44

9142

10K→15K

6.2 - 9.3 mi

Top 36%
×3
+67ft-78ft

Overall

10534

Males

8268

M40-44

8268

15K→20K

9.3 - 12.4 mi

Top 42%
×5
+106ft-86ft

Overall

12094

Males

8890

M40-44

8890

20K→HALF

12.4 - 13.1 mi

Top 38%
×2
+19ft-37ft

Overall

11065

Males

8537

M40-44

8537

HALF→25K

13.1 - 15.5 mi

Top 39%
×4
+66ft-88ft

Overall

11332

Males

8483

M40-44

8483

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

15069

Males

9998

M40-44

9998

30K→20M

18.6 - 20.0 mi

Top 42%
×5
+64ft-50ft

Overall

12089

Males

8605

M40-44

8605

20M→21M

20.0 - 21.0 mi

Top 44%
×8
+106ft-24ft

Overall

12881

Males

8845

M40-44

8845

21M→35K

21.0 - 21.8 mi

Top 51%
×7
+17ft-86ft

Overall

14873

Males

9687

M40-44

9687

35K→23M

21.8 - 23.0 mi

Top 45%
×5
+23ft-63ft

Overall

13014

Males

8807

M40-44

8807

23M→24M

23.0 - 24.0 mi

Top 50%
×6
+12ft-82ft

Overall

14396

Males

9323

M40-44

9323

24M→40K

24.0 - 24.9 mi

Top 55%
×1
+6ft-20ft

Overall

15880

Males

9914

M40-44

9914

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16864

Males

10351

M40-44

10351

25.2M→FINISH

25.2 - 26.2 mi

Top 66%
×2
+22ft-21ft

Overall

19295

Males

11514

M40-44

11514

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1006*
Passed By
1886
Net Change
-2654
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10062
5K10K24200-1116#10062#11178
10K15K295*65+230#11178#10948
15K20K66200-295#10948#11243
20KHALF2421+3#11243#11240
HALF25K125126-1#11240#11241
25K30K63200-708#11241#11949
30K20M9199-8#11949#11957
20M21M73116-43#11957#12000
21M35K25121-96#12000#12096
35K23M89132-43#12096#12139
23M24M58140-82#12139#12221
24M40K37168-131#12221#12352
40K25.2M1498-84#12352#12436
25.2MFINISH22200-280#12436#12716
TOTALS1006*1886-2654

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

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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