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BOSTON MARATHON 2025

Nick Cornejo

Bib: 2080•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 25%
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
19:42
Rank: #2709
Start → 5K
19:42 | 6:20/mi
10K· 6.21 mi
39:36
Rank: #2874 (-165)
5K → 10K
19:54 | 6:24/mi
15K· 9.32 mi
59:48
Rank: #3118 (-244)
10K → 15K
20:12 | 6:30/mi
20K· 12.43 mi
1:20:29
Rank: #3337 (-219)
15K → 20K
20:41 | 6:39/mi
Half· 13.11 mi
1:24:59
Rank: #3391 (-54)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:41:38
Rank: #3648 (-257)
Half → 25K
16:39 | 6:52/mi
30K· 18.64 mi
2:03:48
Rank: #3899 (-251)
25K → 30K
22:10 | 7:08/mi
20M
2:13:44
Rank: #4026 (-127)
30K → 20M
9:56 | 7:19/mi
21M
2:21:31
Rank: #4138 (-112)
20M → 21M
7:47 | 7:47/mi
35K· 21.75 mi
2:26:58
Rank: #4221 (-83)
21M → 35K
5:27 | 7:17/mi
23M
2:36:19
Rank: #4357 (-136)
35K → 23M
9:21 | 7:28/mi
24M
2:43:28
Rank: #4406 (-49)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
2:49:41
Rank: #4437 (-31)
24M → 40K
6:13 | 7:16/mi
25.2M
2:52:20
Rank: #4426 (+11)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:59:02
Rank: #4358 (+68)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:59
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:34:03
Pace7:10 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1919:426:2019:42
6:20
-
10K
6.21 mi10:40:1339:366:2219:54
6:24
+0:04
15K
9.32 mi11:00:2559:486:2520:12
6:30
+0:06
20K
12.43 mi11:21:061:20:296:2920:41
6:39
+0:09
Half
13.11 mi11:25:361:24:596:294:30
6:36
-0:03
25K
15.53 mi11:42:151:41:386:3316:39
6:52
+0:16
30K
18.64 mi12:04:252:03:486:3822:10
7:08
+0:16
20M
20.00 mi12:14:212:13:446:419:56
7:19
+0:11
21M
21.00 mi12:22:082:21:316:447:47
7:47
+0:28
35K
21.75 mi12:27:352:26:586:455:27
7:17
-0:30
23M
23.00 mi12:36:562:36:196:489:21
7:28
+0:11
24M
24.00 mi12:44:052:43:286:497:09
7:09
-0:19
40K
24.85 mi12:50:182:49:416:506:13
7:16
+0:07
25.2M
25.20 mi12:52:572:52:206:502:39
7:41
+0:25
Finish
26.22 mi12:59:392:59:026:506:42
6:34
-1:07

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

6:20 /mi

Average Pace

6:50 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:20

61% of race

Time at Steady Pace

50:55

28% of race

Time at Slower Pace

19:47

11% of race

Average Pace: 6:50 /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 mi10:20:1919:426:2019:42
6:20
#2709
10K
6.21 mi10:40:1339:366:2219:54
6:24
#2874
15K
9.32 mi11:00:2559:486:2520:12
6:30
#3118
20K
12.43 mi11:21:061:20:296:2920:41
6:39
#3337
Half
13.11 mi11:25:361:24:596:294:30
6:36
#3391
25K
15.53 mi11:42:151:41:386:3316:39
6:52
#3648
30K
18.64 mi12:04:252:03:486:3822:10
7:08
#3899
20M
20.00 mi12:14:212:13:446:419:56
7:19
#4026
21M
21.00 mi12:22:082:21:316:447:47
7:47
#4138
35K
21.75 mi12:27:352:26:586:455:27
7:17
#4221
23M
23.00 mi12:36:562:36:196:489:21
7:28
#4357
24M
24.00 mi12:44:052:43:286:497:09
7:09
#4406
40K
24.85 mi12:50:182:49:416:506:13
7:16
#4437
25.2M
25.20 mi12:52:572:52:206:502:39
7:41
#4426
Finish
26.22 mi12:59:392:59:026:506:42
6:34
#4358
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2709258325833590(Top 13%)3394(Top 21%)3394(Top 60%)
10K6.21 mi3.10 mi2874-1652738-1552738-1553083(Top 11%)2936(Top 18%)2936(Top 52%)
15K9.32 mi3.11 mi3118-2442968-2302968-2303590(Top 13%)3394(Top 21%)3394(Top 60%)
20K12.43 mi3.11 mi3337-2193174-2063174-2064081(Top 14%)3831(Top 24%)3831(Top 68%)
Half13.11 mi0.68 mi3391-543220-463220-464404(Top 16%)4126(Top 26%)4126(Top 73%)
25K15.53 mi2.42 mi3648-2573445-2253445-2255414(Top 19%)4930(Top 31%)4930(Top 87%)
30K18.64 mi3.11 mi3899-2513671-2263671-2265528(Top 19%)4956(Top 31%)4956(Top 88%)
20M20.00 mi1.36 mi4026-1273770-993770-995846(Top 21%)5089(Top 32%)5089(Top 90%)
21M21.00 mi1.00 mi4138-1123866-963866-966086(Top 21%)5112(Top 32%)5112(Top 91%)
35K21.75 mi0.75 mi4221-833929-633929-637107(Top 25%)5759(Top 36%)5759(Top 102%)
23M23.00 mi1.25 mi4357-1364034-1054034-1056431(Top 23%)5244(Top 33%)5244(Top 93%)
24M24.00 mi1.00 mi4406-494068-344068-345506(Top 19%)4603(Top 29%)4603(Top 82%)
40K24.85 mi0.85 mi4437-314086-184086-185486(Top 19%)4546(Top 28%)4546(Top 81%)
25.2M25.20 mi0.35 mi4426+114070+164070+164276(Top 15%)3632(Top 23%)3632(Top 64%)
Finish26.22 mi1.02 mi4358+684008+624008+623215(Top 11%)2847(Top 18%)2847(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3590

Males

3394

M18-39

3394

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3083

Males

2936

M18-39

2936

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3590

Males

3394

M18-39

3394

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

4081

Males

3831

M18-39

3831

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4404

Males

4126

M18-39

4126

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5414

Males

4930

M18-39

4930

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5528

Males

4956

M18-39

4956

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5846

Males

5089

M18-39

5089

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

6086

Males

5112

M18-39

5112

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

7107

Males

5759

M18-39

5759

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6431

Males

5244

M18-39

5244

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5506

Males

4603

M18-39

4603

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5486

Males

4546

M18-39

4546

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4276

Males

3632

M18-39

3632

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3215

Males

2847

M18-39

2847

Passing Analysis

Category:
Athletes Passed
528
Passed By
2177
Net Change
-1649
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2709
5K → 10K73238-165#2709#2874
10K → 15K26270-244#2874#3118
15K → 20K42261-219#3118#3337
20K → Half357-54#3337#3391
Half → 25K29286-257#3391#3648
25K → 30K45296-251#3648#3899
30K → 20M30157-127#3899#4026
20M → 21M35147-112#4026#4138
21M → 35K1598-83#4138#4221
35K → 23M40176-136#4221#4357
23M → 24M3887-49#4357#4406
24M → 40K4071-31#4406#4437
40K → 25.2M2918+11#4437#4426
25.2M → Finish8315+68#4426#4358
TOTALS5282177-1649
📊

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