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BOSTON MARATHON 2025

Alexei Sorokin

Bib: 1928•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M45-49)
#0 / 2386
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:32
Rank: #2352
Start → 5K
19:32 | 6:17/mi
10K· 6.21 mi
39:04
Rank: #2322 (+30)
5K → 10K
19:32 | 6:17/mi
15K· 9.32 mi
58:35
Rank: #2286 (+36)
10K → 15K
19:31 | 6:17/mi
20K· 12.43 mi
1:18:14
Rank: #2234 (+52)
15K → 20K
19:39 | 6:19/mi
Half· 13.11 mi
1:22:28
Rank: #2216 (+18)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:37:58
Rank: #2201 (+15)
Half → 25K
15:30 | 6:24/mi
30K· 18.64 mi
1:58:29
Rank: #2209 (-8)
25K → 30K
20:31 | 6:36/mi
20M
2:07:31
Rank: #2201 (+8)
30K → 20M
9:02 | 6:39/mi
21M
2:14:30
Rank: #2178 (+23)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:19:24
Rank: #2179 (-1)
21M → 35K
4:54 | 6:33/mi
23M
2:27:48
Rank: #2155 (+24)
35K → 23M
8:24 | 6:43/mi
24M
2:34:26
Rank: #2138 (+17)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:40:14
Rank: #2136 (+2)
24M → 40K
5:48 | 6:47/mi
25.2M
2:42:48
Rank: #2137 (-1)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:49:23
Rank: #2141 (-4)
25.2M → Finish
6:35 | 6:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:28
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:26:55
Pace6:38 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1519:326:1719:32
6:17
-
10K
6.21 mi10:39:4739:046:1719:32
6:17
0:00
15K
9.32 mi10:59:1858:356:1719:31
6:17
0:00
20K
12.43 mi11:18:571:18:146:1819:39
6:19
+0:02
Half
13.11 mi11:23:111:22:286:174:14
6:12
-0:07
25K
15.53 mi11:38:411:37:586:1815:30
6:24
+0:12
30K
18.64 mi11:59:121:58:296:2120:31
6:36
+0:12
20M
20.00 mi12:08:142:07:316:239:02
6:39
+0:03
21M
21.00 mi12:15:132:14:306:246:59
6:59
+0:20
35K
21.75 mi12:20:072:19:246:254:54
6:33
-0:26
23M
23.00 mi12:28:312:27:486:268:24
6:43
+0:10
24M
24.00 mi12:35:092:34:266:266:38
6:38
-0:05
40K
24.85 mi12:40:572:40:146:275:48
6:47
+0:09
25.2M
25.20 mi12:43:312:42:486:282:34
7:27
+0:40
Finish
26.22 mi12:50:062:49:236:286:35
6:28
-0:59

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

6:12 /mi

Average Pace

6:28 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:28

49% of race

Time at Steady Pace

1:03:10

37% of race

Time at Slower Pace

23:45

14% of race

Average Pace: 6:28 /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 mi10:20:1519:326:1719:32
6:17
#2352
10K
6.21 mi10:39:4739:046:1719:32
6:17
#2322
15K
9.32 mi10:59:1858:356:1719:31
6:17
#2286
20K
12.43 mi11:18:571:18:146:1819:39
6:19
#2234
Half
13.11 mi11:23:111:22:286:174:14
6:12
#2216
25K
15.53 mi11:38:411:37:586:1815:30
6:24
#2201
30K
18.64 mi11:59:121:58:296:2120:31
6:36
#2209
20M
20.00 mi12:08:142:07:316:239:02
6:39
#2201
21M
21.00 mi12:15:132:14:306:246:59
6:59
#2178
35K
21.75 mi12:20:072:19:246:254:54
6:33
#2179
23M
23.00 mi12:28:312:27:486:268:24
6:43
#2155
24M
24.00 mi12:35:092:34:266:266:38
6:38
#2138
40K
24.85 mi12:40:572:40:146:275:48
6:47
#2136
25.2M
25.20 mi12:43:312:42:486:282:34
7:27
#2137
Finish
26.22 mi12:50:062:49:236:286:35
6:28
#2141
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2352224122412250(Top 8%)2145(Top 13%)2145(Top 90%)
10K6.21 mi3.10 mi2322+302214+272214+272330(Top 8%)2229(Top 14%)2229(Top 93%)
15K9.32 mi3.11 mi2286+362182+322182+322250(Top 8%)2145(Top 13%)2145(Top 90%)
20K12.43 mi3.11 mi2234+522135+472135+472115(Top 7%)2016(Top 13%)2016(Top 84%)
Half13.11 mi0.68 mi2216+182116+192116+191989(Top 7%)1898(Top 12%)1898(Top 80%)
25K15.53 mi2.42 mi2201+152102+142102+142318(Top 8%)2203(Top 14%)2203(Top 92%)
30K18.64 mi3.11 mi2209-82105-32105-32423(Top 9%)2293(Top 14%)2293(Top 96%)
20M20.00 mi1.36 mi2201+82099+62099+62209(Top 8%)2087(Top 13%)2087(Top 87%)
21M21.00 mi1.00 mi2178+232077+222077+222183(Top 8%)2039(Top 13%)2039(Top 85%)
35K21.75 mi0.75 mi2179-12078-12078-12678(Top 9%)2476(Top 15%)2476(Top 104%)
23M23.00 mi1.25 mi2155+242051+272051+272277(Top 8%)2120(Top 13%)2120(Top 89%)
24M24.00 mi1.00 mi2138+172033+182033+182620(Top 9%)2403(Top 15%)2403(Top 101%)
40K24.85 mi0.85 mi2136+22028+52028+52734(Top 10%)2478(Top 15%)2478(Top 104%)
25.2M25.20 mi0.35 mi2137-12029-12029-13085(Top 11%)2726(Top 17%)2726(Top 114%)
Finish26.22 mi1.02 mi2141-42031-22031-22589(Top 9%)2339(Top 15%)2339(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2250

Males

2145

M45-49

2145

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2330

Males

2229

M45-49

2229

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2250

Males

2145

M45-49

2145

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2115

Males

2016

M45-49

2016

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1989

Males

1898

M45-49

1898

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2318

Males

2203

M45-49

2203

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2423

Males

2293

M45-49

2293

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2209

Males

2087

M45-49

2087

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2183

Males

2039

M45-49

2039

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2678

Males

2476

M45-49

2476

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2277

Males

2120

M45-49

2120

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2620

Males

2403

M45-49

2403

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2734

Males

2478

M45-49

2478

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3085

Males

2726

M45-49

2726

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2589

Males

2339

M45-49

2339

Passing Analysis

Category:
Athletes Passed
766
Passed By
555
Net Change
+211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2352
5K → 10K12494+30#2352#2322
10K → 15K9660+36#2322#2286
15K → 20K9947+52#2286#2234
20K → Half235+18#2234#2216
Half → 25K5237+15#2216#2201
25K → 30K7987-8#2201#2209
30K → 20M4436+8#2209#2201
20M → 21M5229+23#2201#2178
21M → 35K2324-1#2178#2179
35K → 23M4925+24#2179#2155
23M → 24M4326+17#2155#2138
24M → 40K3634+2#2138#2136
40K → 25.2M1819-1#2136#2137
25.2M → Finish2832-4#2137#2141
TOTALS766555+211
📊

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