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BOSTON MARATHON 2025

Nikita Smyrnov

Bib: 396•M

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
16:16
Rank: #56
Start → 5K
16:16 | 5:14/mi
10K· 6.21 mi
32:59
Rank: #85 (-29)
5K → 10K
16:43 | 5:23/mi
15K· 9.32 mi
54:11
Rank: #597 (-512)
10K → 15K
21:12 | 6:49/mi
20K· 12.43 mi
1:12:15
Rank: #548 (+49)
15K → 20K
18:04 | 5:49/mi
Half· 13.11 mi
1:16:12
Rank: #542 (+6)
20K → Half
3:57 | 5:47/mi
25K· 15.53 mi
1:30:28
Rank: #534 (+8)
Half → 25K
14:16 | 5:53/mi
30K· 18.64 mi
1:49:51
Rank: #576 (-42)
25K → 30K
19:23 | 6:14/mi
20M
2:04:25
Rank: #1466 (-890)
30K → 20M
14:34 | 10:43/mi
21M
2:11:12
Rank: #1441 (+25)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:15:57
Rank: #1428 (+13)
21M → 35K
4:45 | 6:21/mi
23M
2:24:24
Rank: #1461 (-33)
35K → 23M
8:27 | 6:45/mi
24M
2:31:14
Rank: #1513 (-52)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:36:42
Rank: #1472 (+41)
24M → 40K
5:28 | 6:24/mi
25.2M
2:38:46
Rank: #1415 (+57)
40K → 25.2M
2:04 | 5:59/mi
Finish· 26.22 mi
2:44:52
Rank: #1367 (+48)
25.2M → Finish
6:06 | 5:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:12
Pace5:49 /mi
2nd Half
Distance13.11 mi
Time1:28:40
Pace6:46 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:2216:165:1416:16
5:14
-
10K
6.21 mi10:33:0532:595:1816:43
5:23
+0:09
15K
9.32 mi10:54:1754:115:4921:12
6:49
+1:26
20K
12.43 mi11:12:211:12:155:4918:04
5:49
-1:00
Half
13.11 mi11:16:181:16:125:493:57
5:47
-0:02
25K
15.53 mi11:30:341:30:285:4914:16
5:53
+0:06
30K
18.64 mi11:49:571:49:515:5419:23
6:14
+0:21
20M
20.00 mi12:04:312:04:256:1314:34
10:43
+4:29
21M
21.00 mi12:11:182:11:126:156:47
6:47
-3:56
35K
21.75 mi12:16:032:15:576:154:45
6:21
-0:26
23M
23.00 mi12:24:302:24:246:178:27
6:45
+0:24
24M
24.00 mi12:31:202:31:146:186:50
6:50
+0:05
40K
24.85 mi12:36:482:36:426:185:28
6:24
-0:26
25.2M
25.20 mi12:38:522:38:466:182:04
5:59
-0:25
Finish
26.22 mi12:44:582:44:526:186:06
5:59
0:00

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

5:14 /mi

Average Pace

6:18 /mi

Slowest Pace

10:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:59

20% of race

Time at Steady Pace

1:57:19

71% of race

Time at Slower Pace

14:34

9% of race

Average Pace: 6:17 /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 mi10:16:2216:165:1416:16
5:14
#56
10K
6.21 mi10:33:0532:595:1816:43
5:23
#85
15K
9.32 mi10:54:1754:115:4921:12
6:49
#597
20K
12.43 mi11:12:211:12:155:4918:04
5:49
#548
Half
13.11 mi11:16:181:16:125:493:57
5:47
#542
25K
15.53 mi11:30:341:30:285:4914:16
5:53
#534
30K
18.64 mi11:49:571:49:515:5419:23
6:14
#576
20M
20.00 mi12:04:312:04:256:1314:34
10:43
#1466
21M
21.00 mi12:11:182:11:126:156:47
6:47
#1441
35K
21.75 mi12:16:032:15:576:154:45
6:21
#1428
23M
23.00 mi12:24:302:24:246:178:27
6:45
#1461
24M
24.00 mi12:31:202:31:146:186:50
6:50
#1513
40K
24.85 mi12:36:482:36:426:185:28
6:24
#1472
25.2M
25.20 mi12:38:522:38:466:182:04
5:59
#1415
Finish
26.22 mi12:44:582:44:526:186:06
5:59
#1367
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5656566293(Top 22%)5694(Top 35%)5694(Top 101%)
10K6.21 mi3.10 mi85-2969-1369-13119(Top 0.4%)98(Top 0.6%)98(Top 2%)
15K9.32 mi3.11 mi597-512553-484553-4846293(Top 22%)5694(Top 35%)5694(Top 101%)
20K12.43 mi3.11 mi548+49505+48505+48461(Top 2%)430(Top 3%)430(Top 8%)
Half13.11 mi0.68 mi542+6501+4501+4579(Top 2%)545(Top 3%)545(Top 10%)
25K15.53 mi2.42 mi534+8492+9492+9547(Top 2%)506(Top 3%)506(Top 9%)
30K18.64 mi3.11 mi576-42531-39531-391033(Top 4%)971(Top 6%)971(Top 17%)
20M20.00 mi1.36 mi1466-8901386-8551386-85522983(Top 81%)13509(Top 84%)13509(Top 239%)
21M21.00 mi1.00 mi1441+251361+251361+251453(Top 5%)1369(Top 9%)1369(Top 24%)
35K21.75 mi0.75 mi1428+131350+111350+111776(Top 6%)1665(Top 10%)1665(Top 30%)
23M23.00 mi1.25 mi1461-331380-301380-302444(Top 9%)2263(Top 14%)2263(Top 40%)
24M24.00 mi1.00 mi1513-521432-521432-523658(Top 13%)3254(Top 20%)3254(Top 58%)
40K24.85 mi0.85 mi1472+411390+421390+421238(Top 4%)1151(Top 7%)1151(Top 20%)
25.2M25.20 mi0.35 mi1415+571335+551335+5568(Top 0.2%)62(Top 0.4%)62(Top 1%)
Finish26.22 mi1.02 mi1367+481288+471288+47901(Top 3%)846(Top 5%)846(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6293

Males

5694

M18-39

5694

5K→10K

3.1 - 6.2 mi

Top 0.4%
×5stories
+79ft-138ft

Overall

119

Males

98

M18-39

98

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6293

Males

5694

M18-39

5694

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

461

Males

430

M18-39

430

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

579

Males

545

M18-39

545

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

547

Males

506

M18-39

506

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1033

Males

971

M18-39

971

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

22983

Males

13509

M18-39

13509

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1453

Males

1369

M18-39

1369

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1776

Males

1665

M18-39

1665

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2444

Males

2263

M18-39

2263

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3658

Males

3254

M18-39

3254

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1238

Males

1151

M18-39

1151

40K→25.2M

24.9 - 25.2 mi

Top 0.2%
×1story
+13ft-16ft

Overall

68

Males

62

M18-39

62

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

901

Males

846

M18-39

846

Passing Analysis

Category:
Athletes Passed
368
Passed By
1679
Net Change
-1311
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#56
5K → 10K029-29#56#85
10K → 15K0512-512#85#597
15K → 20K501+49#597#548
20K → Half71+6#548#542
Half → 25K2416+8#542#534
25K → 30K1961-42#534#576
30K → 20M0890-890#576#1466
20M → 21M4015+25#1466#1441
21M → 35K2815+13#1441#1428
35K → 23M2558-33#1428#1461
23M → 24M1668-52#1461#1513
24M → 40K498+41#1513#1472
40K → 25.2M570+57#1472#1415
25.2M → Finish535+48#1415#1367
TOTALS3681679-1311
📊

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