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BOSTON MARATHON 2025

Carlos Colon

Bib: 3704•M

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0:00
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
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
20:12
Rank: #3855
Start → 5K
20:12 | 6:30/mi
10K· 6.21 mi
40:19
Rank: #3700 (+155)
5K → 10K
20:07 | 6:28/mi
15K· 9.32 mi
1:00:22
Rank: #3528 (+172)
10K → 15K
20:03 | 6:27/mi
20K· 12.43 mi
1:20:35
Rank: #3399 (+129)
15K → 20K
20:13 | 6:30/mi
Half· 13.11 mi
1:25:01
Rank: #3410 (-11)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:41:08
Rank: #3453 (-43)
Half → 25K
16:07 | 6:39/mi
30K· 18.64 mi
2:02:57
Rank: #3635 (-182)
25K → 30K
21:49 | 7:01/mi
20M
2:12:57
Rank: #3751 (-116)
30K → 20M
10:00 | 7:22/mi
21M
2:20:45
Rank: #3867 (-116)
20M → 21M
7:48 | 7:48/mi
35K· 21.75 mi
2:26:02
Rank: #3915 (-48)
21M → 35K
5:17 | 7:04/mi
23M
2:35:25
Rank: #4080 (-165)
35K → 23M
9:23 | 7:30/mi
24M
2:42:48
Rank: #4171 (-91)
23M → 24M
7:23 | 7:23/mi
40K· 24.85 mi
2:49:12
Rank: #4286 (-115)
24M → 40K
6:24 | 7:29/mi
25.2M
2:52:05
Rank: #4341 (-55)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
2:59:31
Rank: #4538 (-197)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:01
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:34:30
Pace7:13 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1620:126:3020:12
6:30
-
10K
6.21 mi10:42:2340:196:2920:07
6:28
-0:02
15K
9.32 mi11:02:261:00:226:2920:03
6:27
-0:01
20K
12.43 mi11:22:391:20:356:2920:13
6:30
+0:03
Half
13.11 mi11:27:051:25:016:294:26
6:30
0:00
25K
15.53 mi11:43:121:41:086:3116:07
6:39
+0:09
30K
18.64 mi12:05:012:02:576:3621:49
7:01
+0:22
20M
20.00 mi12:15:012:12:576:3910:00
7:22
+0:21
21M
21.00 mi12:22:492:20:456:427:48
7:48
+0:26
35K
21.75 mi12:28:062:26:026:435:17
7:04
-0:44
23M
23.00 mi12:37:292:35:256:459:23
7:30
+0:26
24M
24.00 mi12:44:522:42:486:477:23
7:23
-0:07
40K
24.85 mi12:51:162:49:126:486:24
7:29
+0:06
25.2M
25.20 mi12:54:092:52:056:502:53
8:22
+0:53
Finish
26.22 mi13:01:352:59:316:517:26
7:18
-1:04

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

6:27 /mi

Average Pace

6:51 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:08

56% of race

Time at Steady Pace

34:32

19% of race

Time at Slower Pace

43:51

24% of race

Average Pace: 6:51 /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 mi10:22:1620:126:3020:12
6:30
#3855
10K
6.21 mi10:42:2340:196:2920:07
6:28
#3700
15K
9.32 mi11:02:261:00:226:2920:03
6:27
#3528
20K
12.43 mi11:22:391:20:356:2920:13
6:30
#3399
Half
13.11 mi11:27:051:25:016:294:26
6:30
#3410
25K
15.53 mi11:43:121:41:086:3116:07
6:39
#3453
30K
18.64 mi12:05:012:02:576:3621:49
7:01
#3635
20M
20.00 mi12:15:012:12:576:3910:00
7:22
#3751
21M
21.00 mi12:22:492:20:456:427:48
7:48
#3867
35K
21.75 mi12:28:062:26:026:435:17
7:04
#3915
23M
23.00 mi12:37:292:35:256:459:23
7:30
#4080
24M
24.00 mi12:44:522:42:486:477:23
7:23
#4171
40K
24.85 mi12:51:162:49:126:486:24
7:29
#4286
25.2M
25.20 mi12:54:092:52:056:502:53
8:22
#4341
Finish
26.22 mi13:01:352:59:316:517:26
7:18
#4538
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3855364836483283(Top 12%)3119(Top 19%)3119(Top 55%)
10K6.21 mi3.10 mi3700+1553506+1423506+1423560(Top 13%)3371(Top 21%)3371(Top 60%)
15K9.32 mi3.11 mi3528+1723346+1603346+1603283(Top 12%)3119(Top 19%)3119(Top 55%)
20K12.43 mi3.11 mi3399+1293226+1203226+1203177(Top 11%)3017(Top 19%)3017(Top 53%)
Half13.11 mi0.68 mi3410-113236-103236-103716(Top 13%)3516(Top 22%)3516(Top 62%)
25K15.53 mi2.42 mi3453-433274-383274-383785(Top 13%)3550(Top 22%)3550(Top 63%)
30K18.64 mi3.11 mi3635-1823433-1593433-1594833(Top 17%)4405(Top 27%)4405(Top 78%)
20M20.00 mi1.36 mi3751-1163530-973530-976127(Top 22%)5283(Top 33%)5283(Top 94%)
21M21.00 mi1.00 mi3867-1163629-993629-996174(Top 22%)5175(Top 32%)5175(Top 92%)
35K21.75 mi0.75 mi3915-483666-373666-375770(Top 20%)4906(Top 30%)4906(Top 87%)
23M23.00 mi1.25 mi4080-1653796-1303796-1306572(Top 23%)5339(Top 33%)5339(Top 95%)
24M24.00 mi1.00 mi4171-913868-723868-726917(Top 24%)5470(Top 34%)5470(Top 97%)
40K24.85 mi0.85 mi4286-1153954-863954-866698(Top 24%)5255(Top 33%)5255(Top 93%)
25.2M25.20 mi0.35 mi4341-554000-464000-467899(Top 28%)5840(Top 36%)5840(Top 104%)
Finish26.22 mi1.02 mi4538-1974161-1614161-1617715(Top 27%)5744(Top 36%)5744(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3283

Males

3119

M18-39

3119

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3560

Males

3371

M18-39

3371

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3283

Males

3119

M18-39

3119

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3177

Males

3017

M18-39

3017

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3716

Males

3516

M18-39

3516

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3785

Males

3550

M18-39

3550

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4833

Males

4405

M18-39

4405

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6127

Males

5283

M18-39

5283

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6174

Males

5175

M18-39

5175

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5770

Males

4906

M18-39

4906

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6572

Males

5339

M18-39

5339

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6917

Males

5470

M18-39

5470

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6698

Males

5255

M18-39

5255

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7899

Males

5840

M18-39

5840

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7715

Males

5744

M18-39

5744

Passing Analysis

Category:
Athletes Passed
923
Passed By
1606
Net Change
-683
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3855
5K → 10K22570+155#3855#3700
10K → 15K20836+172#3700#3528
15K → 20K16940+129#3528#3399
20K → Half819-11#3399#3410
Half → 25K5699-43#3410#3453
25K → 30K67249-182#3453#3635
30K → 20M34150-116#3635#3751
20M → 21M29145-116#3751#3867
21M → 35K2270-48#3867#3915
35K → 23M34199-165#3915#4080
23M → 24M31122-91#4080#4171
24M → 40K18133-115#4171#4286
40K → 25.2M1065-55#4286#4341
25.2M → Finish12209-197#4341#4538
TOTALS9231606-683
📊

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