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BOSTON MARATHON 2025

Nicholas Lake

Bib: 3043•M

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Overall
#0 / 28404
Top 45%
Gender (Male)
#0 / 16105
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
20:32
Rank: #4689
Start → 5K
20:32 | 6:37/mi
10K· 6.21 mi
41:07
Rank: #4643 (+46)
5K → 10K
20:35 | 6:38/mi
15K· 9.32 mi
1:05:23
Rank: #7863 (-3220)
10K → 15K
24:16 | 7:49/mi
20K· 12.43 mi
1:31:16
Rank: #10250 (-2387)
15K → 20K
25:53 | 8:20/mi
Half· 13.11 mi
1:35:50
Rank: #9965 (+285)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:56:14
Rank: #11190 (-1225)
Half → 25K
20:24 | 8:25/mi
30K· 18.64 mi
2:21:20
Rank: #11291 (-101)
25K → 30K
25:06 | 8:05/mi
20M
2:35:30
Rank: #12514 (-1223)
30K → 20M
14:10 | 10:25/mi
21M
2:44:31
Rank: #12576 (-62)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
2:50:26
Rank: #12513 (+63)
21M → 35K
5:55 | 7:55/mi
23M
3:01:16
Rank: #12618 (-105)
35K → 23M
10:50 | 8:39/mi
24M
3:10:14
Rank: #12847 (-229)
23M → 24M
8:58 | 8:58/mi
40K· 24.85 mi
3:17:32
Rank: #12872 (-25)
24M → 40K
7:18 | 8:32/mi
25.2M
3:20:34
Rank: #12826 (+46)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:28:38
Rank: #12795 (+31)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:50
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:52:48
Pace8:36 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2720:326:3720:32
6:37
-
10K
6.21 mi10:42:0241:076:3720:35
6:38
+0:01
15K
9.32 mi11:06:181:05:237:0124:16
7:49
+1:11
20K
12.43 mi11:32:111:31:167:2125:53
8:20
+0:31
Half
13.11 mi11:36:451:35:507:194:34
6:42
-1:38
25K
15.53 mi11:57:091:56:147:2920:24
8:25
+1:43
30K
18.64 mi12:22:152:21:207:3525:06
8:05
-0:20
20M
20.00 mi12:36:252:35:307:4614:10
10:25
+2:20
21M
21.00 mi12:45:262:44:317:509:01
9:01
-1:24
35K
21.75 mi12:51:212:50:267:505:55
7:55
-1:06
23M
23.00 mi13:02:113:01:167:5310:50
8:39
+0:44
24M
24.00 mi13:11:093:10:147:568:58
8:58
+0:19
40K
24.85 mi13:18:273:17:327:577:18
8:32
-0:26
25.2M
25.20 mi13:21:293:20:347:583:02
8:48
+0:16
Finish
26.22 mi13:29:333:28:387:588:04
7:55
-0:53

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

6:37 /mi

Average Pace

7:58 /mi

Slowest Pace

10:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:57

34% of race

Time at Steady Pace

1:46:32

51% of race

Time at Slower Pace

32:09

15% of race

Average Pace: 7:57 /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 mi10:21:2720:326:3720:32
6:37
#4689
10K
6.21 mi10:42:0241:076:3720:35
6:38
#4643
15K
9.32 mi11:06:181:05:237:0124:16
7:49
#7863
20K
12.43 mi11:32:111:31:167:2125:53
8:20
#10250
Half
13.11 mi11:36:451:35:507:194:34
6:42
#9965
25K
15.53 mi11:57:091:56:147:2920:24
8:25
#11190
30K
18.64 mi12:22:152:21:207:3525:06
8:05
#11291
20M
20.00 mi12:36:252:35:307:4614:10
10:25
#12514
21M
21.00 mi12:45:262:44:317:509:01
9:01
#12576
35K
21.75 mi12:51:212:50:267:505:55
7:55
#12513
23M
23.00 mi13:02:113:01:167:5310:50
8:39
#12618
24M
24.00 mi13:11:093:10:147:568:58
8:58
#12847
40K
24.85 mi13:18:273:17:327:577:18
8:32
#12872
25.2M
25.20 mi13:21:293:20:347:583:02
8:48
#12826
Finish
26.22 mi13:29:333:28:387:588:04
7:55
#12795
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi46894398439814442(Top 51%)10117(Top 63%)10117(Top 179%)
10K6.21 mi3.10 mi4643+464355+434355+434676(Top 16%)4378(Top 27%)4378(Top 78%)
15K9.32 mi3.11 mi7863-32206892-25376892-253714442(Top 51%)10117(Top 63%)10117(Top 179%)
20K12.43 mi3.11 mi10250-23878235-13438235-134317095(Top 60%)11220(Top 70%)11220(Top 199%)
Half13.11 mi0.68 mi9965+2858086+1498086+1495284(Top 19%)4879(Top 30%)4879(Top 86%)
25K15.53 mi2.42 mi11190-12258673-5878673-58716638(Top 59%)10936(Top 68%)10936(Top 194%)
30K18.64 mi3.11 mi11291-1018644+298644+2911942(Top 42%)8648(Top 54%)8648(Top 153%)
20M20.00 mi1.36 mi12514-12239165-5219165-52122207(Top 78%)13131(Top 82%)13131(Top 233%)
21M21.00 mi1.00 mi12576-629166-19166-113585(Top 48%)9141(Top 57%)9141(Top 162%)
35K21.75 mi0.75 mi12513+639113+539113+5311609(Top 41%)8144(Top 51%)8144(Top 144%)
23M23.00 mi1.25 mi12618-1059129-169129-1614234(Top 50%)9269(Top 58%)9269(Top 164%)
24M24.00 mi1.00 mi12847-2299196-679196-6717159(Top 60%)10530(Top 65%)10530(Top 187%)
40K24.85 mi0.85 mi12872-259175+219175+2113649(Top 48%)8830(Top 55%)8830(Top 157%)
25.2M25.20 mi0.35 mi12826+469146+299146+2910589(Top 37%)7281(Top 45%)7281(Top 129%)
Finish26.22 mi1.02 mi12795+319112+349112+3412271(Top 43%)8174(Top 51%)8174(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

14442

Males

10117

M18-39

10117

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4676

Males

4378

M18-39

4378

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

14442

Males

10117

M18-39

10117

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

17095

Males

11220

M18-39

11220

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5284

Males

4879

M18-39

4879

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

16638

Males

10936

M18-39

10936

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11942

Males

8648

M18-39

8648

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22207

Males

13131

M18-39

13131

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13585

Males

9141

M18-39

9141

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11609

Males

8144

M18-39

8144

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14234

Males

9269

M18-39

9269

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

17159

Males

10530

M18-39

10530

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13649

Males

8830

M18-39

8830

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10589

Males

7281

M18-39

7281

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12271

Males

8174

M18-39

8174

Passing Analysis

Category:
Athletes Passed
1233*
Passed By
9335
Net Change
-8106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4689
5K → 10K197151+46#4689#4643
10K → 15K23222-3220#4643#7863
15K → 20K62391-2387#7863#10250
20K → Half285*0+285#10250#9965
Half → 25K241247-1225#9965#11190
25K → 30K196297-101#11190#11291
30K → 20M131236-1223#11291#12514
20M → 21M90152-62#12514#12576
21M → 35K9633+63#12576#12513
35K → 23M84189-105#12513#12618
23M → 24M27256-229#12618#12847
24M → 40K6489-25#12847#12872
40K → 25.2M6216+46#12872#12826
25.2M → Finish8756+31#12826#12795
TOTALS1233*9335-8106

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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