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BOSTON MARATHON 2025

Nicholas Sevcik

Bib: 4260•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 6%
Division (M18-39)
#0 / 5642
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:22
Rank: #2033
Start → 5K
19:22 | 6:14/mi
10K· 6.21 mi
38:19
Rank: #1702 (+331)
5K → 10K
18:57 | 6:06/mi
15K· 9.32 mi
57:32
Rank: #1720 (-18)
10K → 15K
19:13 | 6:11/mi
20K· 12.43 mi
1:16:39
Rank: #1607 (+113)
15K → 20K
19:07 | 6:09/mi
Half· 13.11 mi
1:20:48
Rank: #1599 (+8)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:35:39
Rank: #1498 (+101)
Half → 25K
14:51 | 6:07/mi
30K· 18.64 mi
1:55:10
Rank: #1397 (+101)
25K → 30K
19:31 | 6:17/mi
20M
2:03:42
Rank: #1336 (+61)
30K → 20M
8:32 | 6:17/mi
21M
2:10:15
Rank: #1277 (+59)
20M → 21M
6:33 | 6:33/mi
35K· 21.75 mi
2:14:48
Rank: #1241 (+36)
21M → 35K
4:33 | 6:05/mi
23M
2:22:36
Rank: #1170 (+71)
35K → 23M
7:48 | 6:14/mi
24M
2:28:44
Rank: #1135 (+35)
23M → 24M
6:08 | 6:08/mi
40K· 24.85 mi
2:34:08
Rank: #1119 (+16)
24M → 40K
5:24 | 6:19/mi
25.2M
2:36:25
Rank: #1097 (+22)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:42:34
Rank: #1068 (+29)
25.2M → Finish
6:09 | 6:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:48
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:21:46
Pace6:14 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2319:226:1419:22
6:14
-
10K
6.21 mi10:41:2038:196:1018:57
6:06
-0:08
15K
9.32 mi11:00:3357:326:1019:13
6:11
+0:05
20K
12.43 mi11:19:401:16:396:1019:07
6:09
-0:02
Half
13.11 mi11:23:491:20:486:104:09
6:05
-0:04
25K
15.53 mi11:38:401:35:396:0914:51
6:07
+0:02
30K
18.64 mi11:58:111:55:106:1119:31
6:17
+0:10
20M
20.00 mi12:06:432:03:426:118:32
6:17
0:00
21M
21.00 mi12:13:162:10:156:126:33
6:33
+0:16
35K
21.75 mi12:17:492:14:486:124:33
6:05
-0:28
23M
23.00 mi12:25:372:22:366:127:48
6:14
+0:09
24M
24.00 mi12:31:452:28:446:126:08
6:08
-0:06
40K
24.85 mi12:37:092:34:086:125:24
6:19
+0:11
25.2M
25.20 mi12:39:262:36:256:122:17
6:37
+0:18
Finish
26.22 mi12:45:352:42:346:126:09
6:02
-0:35

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

6:02 /mi

Average Pace

6:12 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:44

95% of race

Time at Steady Pace

8:50

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:12 /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 mi10:22:2319:226:1419:22
6:14
#2033
10K
6.21 mi10:41:2038:196:1018:57
6:06
#1702
15K
9.32 mi11:00:3357:326:1019:13
6:11
#1720
20K
12.43 mi11:19:401:16:396:1019:07
6:09
#1607
Half
13.11 mi11:23:491:20:486:104:09
6:05
#1599
25K
15.53 mi11:38:401:35:396:0914:51
6:07
#1498
30K
18.64 mi11:58:111:55:106:1119:31
6:17
#1397
20M
20.00 mi12:06:432:03:426:118:32
6:17
#1336
21M
21.00 mi12:13:162:10:156:126:33
6:33
#1277
35K
21.75 mi12:17:492:14:486:124:33
6:05
#1241
23M
23.00 mi12:25:372:22:366:127:48
6:14
#1170
24M
24.00 mi12:31:452:28:446:126:08
6:08
#1135
40K
24.85 mi12:37:092:34:086:125:24
6:19
#1119
25.2M
25.20 mi12:39:262:36:256:122:17
6:37
#1097
Finish
26.22 mi12:45:352:42:346:126:09
6:02
#1068
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2033193519351766(Top 6%)1678(Top 10%)1678(Top 30%)
10K6.21 mi3.10 mi1702+3311620+3151620+3151456(Top 5%)1383(Top 9%)1383(Top 25%)
15K9.32 mi3.11 mi1720-181635-151635-151766(Top 6%)1678(Top 10%)1678(Top 30%)
20K12.43 mi3.11 mi1607+1131525+1101525+1101375(Top 5%)1302(Top 8%)1302(Top 23%)
Half13.11 mi0.68 mi1599+81516+91516+91446(Top 5%)1374(Top 9%)1374(Top 24%)
25K15.53 mi2.42 mi1498+1011419+971419+971175(Top 4%)1109(Top 7%)1109(Top 20%)
30K18.64 mi3.11 mi1397+1011321+981321+981147(Top 4%)1081(Top 7%)1081(Top 19%)
20M20.00 mi1.36 mi1336+611260+611260+61910(Top 3%)858(Top 5%)858(Top 15%)
21M21.00 mi1.00 mi1277+591204+561204+56791(Top 3%)748(Top 5%)748(Top 13%)
35K21.75 mi0.75 mi1241+361170+341170+34912(Top 3%)857(Top 5%)857(Top 15%)
23M23.00 mi1.25 mi1170+711102+681102+68733(Top 3%)692(Top 4%)692(Top 12%)
24M24.00 mi1.00 mi1135+351069+331069+33850(Top 3%)799(Top 5%)799(Top 14%)
40K24.85 mi0.85 mi1119+161054+151054+151004(Top 4%)941(Top 6%)941(Top 17%)
25.2M25.20 mi0.35 mi1097+221033+211033+21634(Top 2%)589(Top 4%)589(Top 10%)
Finish26.22 mi1.02 mi1068+291005+281005+281003(Top 4%)941(Top 6%)941(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1766

Males

1678

M18-39

1678

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1456

Males

1383

M18-39

1383

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1766

Males

1678

M18-39

1678

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1375

Males

1302

M18-39

1302

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1446

Males

1374

M18-39

1374

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1175

Males

1109

M18-39

1109

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1147

Males

1081

M18-39

1081

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

910

Males

858

M18-39

858

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

791

Males

748

M18-39

748

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

912

Males

857

M18-39

857

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

733

Males

692

M18-39

692

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

850

Males

799

M18-39

799

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1004

Males

941

M18-39

941

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

634

Males

589

M18-39

589

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1003

Males

941

M18-39

941

Passing Analysis

Category:
Athletes Passed
1115
Passed By
150
Net Change
+965
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2033
5K → 10K34211+331#2033#1702
10K → 15K5674-18#1702#1720
15K → 20K1218+113#1720#1607
20K → Half124+8#1607#1599
Half → 25K1054+101#1599#1498
25K → 30K11211+101#1498#1397
30K → 20M676+61#1397#1336
20M → 21M612+59#1336#1277
21M → 35K415+36#1277#1241
35K → 23M721+71#1241#1170
23M → 24M449+35#1170#1135
24M → 40K248+16#1135#1119
40K → 25.2M220+22#1119#1097
25.2M → Finish367+29#1097#1068
TOTALS1115150+965
📊

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