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BOSTON MARATHON 2025

Alexander Trotsky

Bib: 865•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 31%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:37
Rank: #4915
Start → 5K
20:37 | 6:38/mi
10K· 6.21 mi
41:59
Rank: #5900 (-985)
5K → 10K
21:22 | 6:53/mi
15K· 9.32 mi
1:03:28
Rank: #6292 (-392)
10K → 15K
21:29 | 6:55/mi
20K· 12.43 mi
1:25:15
Rank: #6499 (-207)
15K → 20K
21:47 | 7:01/mi
Half· 13.11 mi
1:30:03
Rank: #6587 (-88)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:47:07
Rank: #6541 (+46)
Half → 25K
17:04 | 7:02/mi
30K· 18.64 mi
2:09:18
Rank: #6235 (+306)
25K → 30K
22:11 | 7:08/mi
20M
2:19:12
Rank: #6137 (+98)
30K → 20M
9:54 | 7:17/mi
21M
2:26:47
Rank: #6014 (+123)
20M → 21M
7:35 | 7:35/mi
35K· 21.75 mi
2:32:02
Rank: #5967 (+47)
21M → 35K
5:15 | 7:01/mi
23M
2:41:13
Rank: #5867 (+100)
35K → 23M
9:11 | 7:20/mi
24M
2:48:19
Rank: #5769 (+98)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
2:54:37
Rank: #5727 (+42)
24M → 40K
6:18 | 7:22/mi
25.2M
2:57:24
Rank: #5700 (+27)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:04:32
Rank: #5640 (+60)
25.2M → Finish
7:08 | 7:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:03
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:34:29
Pace7:12 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5320:376:3820:37
6:38
-
10K
6.21 mi10:42:1541:596:4521:22
6:53
+0:15
15K
9.32 mi11:03:441:03:286:4921:29
6:55
+0:02
20K
12.43 mi11:25:311:25:156:5221:47
7:01
+0:06
Half
13.11 mi11:30:191:30:036:524:48
7:02
+0:01
25K
15.53 mi11:47:231:47:076:5417:04
7:02
0:00
30K
18.64 mi12:09:342:09:186:5622:11
7:08
+0:06
20M
20.00 mi12:19:282:19:126:589:54
7:17
+0:09
21M
21.00 mi12:27:032:26:476:597:35
7:35
+0:18
35K
21.75 mi12:32:182:32:026:595:15
7:01
-0:34
23M
23.00 mi12:41:292:41:137:019:11
7:20
+0:19
24M
24.00 mi12:48:352:48:197:017:06
7:06
-0:14
40K
24.85 mi12:54:532:54:377:026:18
7:22
+0:16
25.2M
25.20 mi12:57:402:57:247:022:47
8:04
+0:42
Finish
26.22 mi13:04:483:04:327:037:08
7:00
-1:04

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

6:38 /mi

Average Pace

7:03 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:37

11% of race

Time at Steady Pace

2:08:10

69% of race

Time at Slower Pace

35:45

19% of race

Average Pace: 7:02 /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 mi10:20:5320:376:3820:37
6:38
#4915
10K
6.21 mi10:42:1541:596:4521:22
6:53
#5900
15K
9.32 mi11:03:441:03:286:4921:29
6:55
#6292
20K
12.43 mi11:25:311:25:156:5221:47
7:01
#6499
Half
13.11 mi11:30:191:30:036:524:48
7:02
#6587
25K
15.53 mi11:47:231:47:076:5417:04
7:02
#6541
30K
18.64 mi12:09:342:09:186:5622:11
7:08
#6235
20M
20.00 mi12:19:282:19:126:589:54
7:17
#6137
21M
21.00 mi12:27:032:26:476:597:35
7:35
#6014
35K
21.75 mi12:32:182:32:026:595:15
7:01
#5967
23M
23.00 mi12:41:292:41:137:019:11
7:20
#5867
24M
24.00 mi12:48:352:48:197:017:06
7:06
#5769
40K
24.85 mi12:54:532:54:377:026:18
7:22
#5727
25.2M
25.20 mi12:57:402:57:247:022:47
8:04
#5700
Finish
26.22 mi13:04:483:04:327:037:08
7:00
#5640
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4915460046007048(Top 25%)6283(Top 39%)6283(Top 111%)
10K6.21 mi3.10 mi5900-9855425-8255425-8257070(Top 25%)6328(Top 39%)6328(Top 112%)
15K9.32 mi3.11 mi6292-3925741-3165741-3167048(Top 25%)6283(Top 39%)6283(Top 111%)
20K12.43 mi3.11 mi6499-2075879-1385879-1386931(Top 24%)6157(Top 38%)6157(Top 109%)
Half13.11 mi0.68 mi6587-885950-715950-717785(Top 27%)6747(Top 42%)6747(Top 120%)
25K15.53 mi2.42 mi6541+465899+515899+516567(Top 23%)5812(Top 36%)5812(Top 103%)
30K18.64 mi3.11 mi6235+3065619+2805619+2805558(Top 20%)4981(Top 31%)4981(Top 88%)
20M20.00 mi1.36 mi6137+985524+955524+955703(Top 20%)4983(Top 31%)4983(Top 88%)
21M21.00 mi1.00 mi6014+1235416+1085416+1085052(Top 18%)4419(Top 27%)4419(Top 78%)
35K21.75 mi0.75 mi5967+475372+445372+445472(Top 19%)4712(Top 29%)4712(Top 84%)
23M23.00 mi1.25 mi5867+1005279+935279+935651(Top 20%)4776(Top 30%)4776(Top 85%)
24M24.00 mi1.00 mi5769+985185+945185+945222(Top 18%)4412(Top 27%)4412(Top 78%)
40K24.85 mi0.85 mi5727+425141+445141+446011(Top 21%)4857(Top 30%)4857(Top 86%)
25.2M25.20 mi0.35 mi5700+275112+295112+296284(Top 22%)4917(Top 31%)4917(Top 87%)
Finish26.22 mi1.02 mi5640+605053+595053+595726(Top 20%)4563(Top 28%)4563(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7048

Males

6283

M18-39

6283

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7070

Males

6328

M18-39

6328

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7048

Males

6283

M18-39

6283

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6931

Males

6157

M18-39

6157

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7785

Males

6747

M18-39

6747

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6567

Males

5812

M18-39

5812

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5558

Males

4981

M18-39

4981

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5703

Males

4983

M18-39

4983

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5052

Males

4419

M18-39

4419

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5472

Males

4712

M18-39

4712

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5651

Males

4776

M18-39

4776

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5222

Males

4412

M18-39

4412

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6011

Males

4857

M18-39

4857

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6284

Males

4917

M18-39

4917

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5726

Males

4563

M18-39

4563

Passing Analysis

Category:
Athletes Passed
1418
Passed By
2143
Net Change
-725
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4915
5K → 10K151000-985#4915#5900
10K → 15K59451-392#5900#6292
15K → 20K85292-207#6292#6499
20K → Half593-88#6499#6587
Half → 25K14599+46#6587#6541
25K → 30K34135+306#6541#6235
30K → 20M12527+98#6235#6137
20M → 21M13916+123#6137#6014
21M → 35K6619+47#6014#5967
35K → 23M12626+100#5967#5867
23M → 24M11315+98#5867#5769
24M → 40K7028+42#5769#5727
40K → 25.2M4316+27#5727#5700
25.2M → Finish8626+60#5700#5640
TOTALS14182143-725
📊

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