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BOSTON MARATHON 2025

Jose Corzo

Bib: 6927•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
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
22:53
Rank: #10978
Start → 5K
22:53 | 7:22/mi
10K· 6.21 mi
46:04
Rank: #11341 (-363)
5K → 10K
23:11 | 7:28/mi
15K· 9.32 mi
1:09:03
Rank: #11135 (+206)
10K → 15K
22:59 | 7:24/mi
20K· 12.43 mi
1:32:02
Rank: #10804 (+331)
15K → 20K
22:59 | 7:24/mi
Half· 13.11 mi
1:37:03
Rank: #10788 (+16)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:54:49
Rank: #10363 (+425)
Half → 25K
17:46 | 7:20/mi
30K· 18.64 mi
2:18:12
Rank: #9817 (+546)
25K → 30K
23:23 | 7:32/mi
20M
2:28:15
Rank: #9485 (+332)
30K → 20M
10:03 | 7:24/mi
21M
2:35:50
Rank: #9157 (+328)
20M → 21M
7:35 | 7:35/mi
35K· 21.75 mi
2:41:06
Rank: #8979 (+178)
21M → 35K
5:16 | 7:02/mi
23M
2:49:59
Rank: #8532 (+447)
35K → 23M
8:53 | 7:06/mi
24M
2:56:55
Rank: #8266 (+266)
23M → 24M
6:56 | 6:56/mi
40K· 24.85 mi
3:03:01
Rank: #8086 (+180)
24M → 40K
6:06 | 7:08/mi
25.2M
3:05:44
Rank: #8012 (+74)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:12:35
Rank: #7769 (+243)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:37:03
Pace7:24 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:32
Pace7:17 /mi
📊Negative Split: 1.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:5322:537:2222:53
7:22
-
10K
6.21 mi10:54:0446:047:2523:11
7:28
+0:06
15K
9.32 mi11:17:031:09:037:2522:59
7:24
-0:04
20K
12.43 mi11:40:021:32:027:2422:59
7:24
0:00
Half
13.11 mi11:45:031:37:037:245:01
7:21
-0:03
25K
15.53 mi12:02:491:54:497:2317:46
7:20
-0:01
30K
18.64 mi12:26:122:18:127:2523:23
7:32
+0:12
20M
20.00 mi12:36:152:28:157:2510:03
7:24
-0:08
21M
21.00 mi12:43:502:35:507:257:35
7:35
+0:11
35K
21.75 mi12:49:062:41:067:245:16
7:02
-0:33
23M
23.00 mi12:57:592:49:597:238:53
7:06
+0:04
24M
24.00 mi13:04:552:56:557:226:56
6:56
-0:10
40K
24.85 mi13:11:013:03:017:226:06
7:08
+0:12
25.2M
25.20 mi13:13:443:05:447:222:43
7:53
+0:45
Finish
26.22 mi13:20:353:12:357:216:51
6:43
-1:10

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

6:43 /mi

Average Pace

7:21 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:42

41% of race

Time at Steady Pace

1:52:53

59% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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 mi10:30:5322:537:2222:53
7:22
#10978
10K
6.21 mi10:54:0446:047:2523:11
7:28
#11341
15K
9.32 mi11:17:031:09:037:2522:59
7:24
#11135
20K
12.43 mi11:40:021:32:027:2422:59
7:24
#10804
Half
13.11 mi11:45:031:37:037:245:01
7:21
#10788
25K
15.53 mi12:02:491:54:497:2317:46
7:20
#10363
30K
18.64 mi12:26:122:18:127:2523:23
7:32
#9817
20M
20.00 mi12:36:152:28:157:2510:03
7:24
#9485
21M
21.00 mi12:43:502:35:507:257:35
7:35
#9157
35K
21.75 mi12:49:062:41:067:245:16
7:02
#8979
23M
23.00 mi12:57:592:49:597:238:53
7:06
#8532
24M
24.00 mi13:04:552:56:557:226:56
6:56
#8266
40K
24.85 mi13:11:013:03:017:226:06
7:08
#8086
25.2M
25.20 mi13:13:443:05:447:222:43
7:53
#8012
Finish
26.22 mi13:20:353:12:357:216:51
6:43
#7769
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi109788674867410832(Top 38%)8508(Top 53%)8508(Top 151%)
10K6.21 mi3.10 mi11341-3638839-1658839-16511711(Top 41%)9003(Top 56%)9003(Top 160%)
15K9.32 mi3.11 mi11135+2068718+1218718+12110832(Top 38%)8508(Top 53%)8508(Top 151%)
20K12.43 mi3.11 mi10804+3318529+1898529+1899869(Top 35%)7936(Top 49%)7936(Top 141%)
Half13.11 mi0.68 mi10788+168522+78522+710390(Top 37%)8203(Top 51%)8203(Top 145%)
25K15.53 mi2.42 mi10363+4258262+2608262+2608556(Top 30%)7078(Top 44%)7078(Top 125%)
30K18.64 mi3.11 mi9817+5467912+3507912+3507924(Top 28%)6533(Top 41%)6533(Top 116%)
20M20.00 mi1.36 mi9485+3327693+2197693+2196355(Top 22%)5437(Top 34%)5437(Top 96%)
21M21.00 mi1.00 mi9157+3287492+2017492+2015058(Top 18%)4425(Top 27%)4425(Top 78%)
35K21.75 mi0.75 mi8979+1787368+1247368+1245655(Top 20%)4843(Top 30%)4843(Top 86%)
23M23.00 mi1.25 mi8532+4477063+3057063+3054319(Top 15%)3831(Top 24%)3831(Top 68%)
24M24.00 mi1.00 mi8266+2666871+1926871+1924283(Top 15%)3764(Top 23%)3764(Top 67%)
40K24.85 mi0.85 mi8086+1806725+1466725+1464690(Top 17%)3995(Top 25%)3995(Top 71%)
25.2M25.20 mi0.35 mi8012+746668+576668+575306(Top 19%)4327(Top 27%)4327(Top 77%)
Finish26.22 mi1.02 mi7769+2436487+1816487+1814030(Top 14%)3463(Top 22%)3463(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10832

Males

8508

M18-39

8508

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

11711

Males

9003

M18-39

9003

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10832

Males

8508

M18-39

8508

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9869

Males

7936

M18-39

7936

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10390

Males

8203

M18-39

8203

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8556

Males

7078

M18-39

7078

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7924

Males

6533

M18-39

6533

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6355

Males

5437

M18-39

5437

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5058

Males

4425

M18-39

4425

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5655

Males

4843

M18-39

4843

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4319

Males

3831

M18-39

3831

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4283

Males

3764

M18-39

3764

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4690

Males

3995

M18-39

3995

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5306

Males

4327

M18-39

4327

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

4030

Males

3463

M18-39

3463

Passing Analysis

Category:
Athletes Passed
3887*
Passed By
678
Net Change
+3209
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10978
5K → 10K122485-363#10978#11341
10K → 15K29993+206#11341#11135
15K → 20K36433+331#11135#10804
20K → Half3620+16#10804#10788
Half → 25K43611+425#10788#10363
25K → 30K566*20+546#10363#9817
30K → 20M3342+332#9817#9485
20M → 21M3313+328#9485#9157
21M → 35K1780+178#9157#8979
35K → 23M4470+447#8979#8532
23M → 24M2693+266#8532#8266
24M → 40K1811+180#8266#8086
40K → 25.2M784+74#8086#8012
25.2M → Finish2463+243#8012#7769
TOTALS3887*678+3209

* 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