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BOSTON MARATHON 2023

Alexander Trotsky

Bib: 1705•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 4%
Division (M18-39)
#0 / 5285
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:49
Rank: #798
Start → 5K
18:49 | 6:03/mi
10K· 6.21 mi
37:38
Rank: #844 (-46)
5K → 10K
18:49 | 6:03/mi
15K· 9.32 mi
56:28
Rank: #848 (-4)
10K → 15K
18:50 | 6:04/mi
20K· 12.43 mi
1:15:17
Rank: #792 (+56)
15K → 20K
18:49 | 6:03/mi
Half· 13.11 mi
1:19:30
Rank: #807 (-15)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:34:21
Rank: #789 (+18)
Half → 25K
14:51 | 6:07/mi
30K· 18.64 mi
1:53:24
Rank: #742 (+47)
25K → 30K
19:03 | 6:08/mi
20M
2:01:45
Rank: #715 (+27)
30K → 20M
8:21 | 6:09/mi
21M
2:08:15
Rank: #699 (+16)
20M → 21M
6:30 | 6:30/mi
35K· 21.75 mi
2:12:39
Rank: #687 (+12)
21M → 35K
4:24 | 5:53/mi
23M
2:20:31
Rank: #684 (+3)
35K → 23M
7:52 | 6:17/mi
24M
2:26:46
Rank: #692 (-8)
23M → 24M
6:15 | 6:15/mi
40K· 24.85 mi
2:32:17
Rank: #699 (-7)
24M → 40K
5:31 | 6:27/mi
25.2M
2:34:39
Rank: #693 (+6)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:40:48
Rank: #689 (+4)
25.2M → Finish
6:09 | 6:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:30
Pace6:04 /mi
2nd Half
Distance13.11 mi
Time1:21:18
Pace6:12 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1018:496:0318:49
6:03
-
10K
6.21 mi10:37:5937:386:0318:49
6:03
0:00
15K
9.32 mi10:56:4956:286:0318:50
6:04
+0:01
20K
12.43 mi11:15:381:15:176:0318:49
6:03
-0:01
Half
13.11 mi11:19:511:19:306:044:13
6:11
+0:08
25K
15.53 mi11:34:421:34:216:0414:51
6:07
-0:04
30K
18.64 mi11:53:451:53:246:0519:03
6:08
+0:01
20M
20.00 mi12:02:062:01:456:058:21
6:09
+0:01
21M
21.00 mi12:08:362:08:156:066:30
6:30
+0:21
35K
21.75 mi12:13:002:12:396:064:24
5:53
-0:37
23M
23.00 mi12:20:522:20:316:077:52
6:17
+0:24
24M
24.00 mi12:27:072:26:466:076:15
6:15
-0:02
40K
24.85 mi12:32:382:32:176:085:31
6:27
+0:12
25.2M
25.20 mi12:35:002:34:396:082:22
6:52
+0:25
Finish
26.22 mi12:41:092:40:486:086:09
6:02
-0:50

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

5:53 /mi

Average Pace

6:08 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:56

94% of race

Time at Steady Pace

8:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:08 /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 mi10:19:1018:496:0318:49
6:03
#798
10K
6.21 mi10:37:5937:386:0318:49
6:03
#844
15K
9.32 mi10:56:4956:286:0318:50
6:04
#848
20K
12.43 mi11:15:381:15:176:0318:49
6:03
#792
Half
13.11 mi11:19:511:19:306:044:13
6:11
#807
25K
15.53 mi11:34:421:34:216:0414:51
6:07
#789
30K
18.64 mi11:53:451:53:246:0519:03
6:08
#742
20M
20.00 mi12:02:062:01:456:058:21
6:09
#715
21M
21.00 mi12:08:362:08:156:066:30
6:30
#699
35K
21.75 mi12:13:002:12:396:064:24
5:53
#687
23M
23.00 mi12:20:522:20:316:077:52
6:17
#684
24M
24.00 mi12:27:072:26:466:076:15
6:15
#692
40K
24.85 mi12:32:382:32:176:085:31
6:27
#699
25.2M
25.20 mi12:35:002:34:396:082:22
6:52
#693
Finish
26.22 mi12:41:092:40:486:086:09
6:02
#689
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi798749749848(Top 3%)801(Top 5%)801(Top 15%)
10K6.21 mi3.10 mi844-46796-47796-47948(Top 4%)899(Top 6%)899(Top 17%)
15K9.32 mi3.11 mi848-4800-4800-4848(Top 3%)801(Top 5%)801(Top 15%)
20K12.43 mi3.11 mi792+56747+53747+53673(Top 3%)631(Top 4%)631(Top 12%)
Half13.11 mi0.68 mi807-15762-15762-151239(Top 5%)1187(Top 8%)1187(Top 22%)
25K15.53 mi2.42 mi789+18744+18744+18801(Top 3%)758(Top 5%)758(Top 14%)
30K18.64 mi3.11 mi742+47700+44700+44553(Top 2%)519(Top 3%)519(Top 10%)
20M20.00 mi1.36 mi715+27673+27673+27566(Top 2%)532(Top 4%)532(Top 10%)
21M21.00 mi1.00 mi699+16657+16657+16647(Top 2%)609(Top 4%)609(Top 12%)
35K21.75 mi0.75 mi687+12645+12645+12487(Top 2%)452(Top 3%)452(Top 9%)
23M23.00 mi1.25 mi684+3642+3642+3783(Top 3%)742(Top 5%)742(Top 14%)
24M24.00 mi1.00 mi692-8651-9651-91164(Top 4%)1101(Top 7%)1101(Top 21%)
40K24.85 mi0.85 mi699-7657-6657-61356(Top 5%)1279(Top 8%)1279(Top 24%)
25.2M25.20 mi0.35 mi693+6651+6651+61284(Top 5%)1214(Top 8%)1214(Top 23%)
Finish26.22 mi1.02 mi689+4647+4647+4807(Top 3%)773(Top 5%)773(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

848

Males

801

M18-39

801

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

948

Males

899

M18-39

899

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

848

Males

801

M18-39

801

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

673

Males

631

M18-39

631

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1239

Males

1187

M18-39

1187

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

801

Males

758

M18-39

758

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

553

Males

519

M18-39

519

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

566

Males

532

M18-39

532

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

647

Males

609

M18-39

609

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

487

Males

452

M18-39

452

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

783

Males

742

M18-39

742

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1164

Males

1101

M18-39

1101

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1356

Males

1279

M18-39

1279

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1284

Males

1214

M18-39

1214

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

807

Males

773

M18-39

773

Passing Analysis

Category:
Athletes Passed
309
Passed By
200
Net Change
+109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#798
5K → 10K2369-46#798#844
10K → 15K2226-4#844#848
15K → 20K615+56#848#792
20K → Half015-15#792#807
Half → 25K3719+18#807#789
25K → 30K503+47#789#742
30K → 20M281+27#742#715
20M → 21M226+16#715#699
21M → 35K142+12#699#687
35K → 23M1714+3#687#684
23M → 24M917-8#684#692
24M → 40K714-7#692#699
40K → 25.2M82+6#699#693
25.2M → Finish117+4#693#689
TOTALS309200+109
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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