Boston Marathon logo
BOSTON MARATHON 2025

Boris Cortes

Bib: 7784•M

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 27%
Masters (Masters Men)
#0 / 10463
Top 13%
Division (M45-49)
#0 / 2386
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:05
Rank: #6193
Start → 5K
21:05 | 6:47/mi
10K· 6.21 mi
42:01
Rank: #5937 (+256)
5K → 10K
20:56 | 6:44/mi
15K· 9.32 mi
1:03:02
Rank: #5833 (+104)
10K → 15K
21:01 | 6:46/mi
20K· 12.43 mi
1:24:06
Rank: #5642 (+191)
15K → 20K
21:04 | 6:47/mi
Half· 13.11 mi
1:28:37
Rank: #5563 (+79)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:45:07
Rank: #5424 (+139)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
2:06:55
Rank: #5236 (+188)
25K → 30K
21:48 | 7:01/mi
20M
2:16:30
Rank: #5136 (+100)
30K → 20M
9:35 | 7:03/mi
21M
2:23:45
Rank: #4983 (+153)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:28:51
Rank: #4921 (+62)
21M → 35K
5:06 | 6:49/mi
23M
2:37:36
Rank: #4796 (+125)
35K → 23M
8:45 | 6:59/mi
24M
2:44:25
Rank: #4724 (+72)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:50:20
Rank: #4641 (+83)
24M → 40K
5:55 | 6:55/mi
25.2M
2:52:58
Rank: #4632 (+9)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:00:00
Rank: #4686 (-54)
25.2M → Finish
7:02 | 6:54/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:37
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:31:23
Pace6:58 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:0921:056:4721:05
6:47
-
10K
6.21 mi10:50:0542:016:4620:56
6:44
-0:03
15K
9.32 mi11:11:061:03:026:4621:01
6:46
+0:02
20K
12.43 mi11:32:101:24:066:4621:04
6:47
+0:01
Half
13.11 mi11:36:411:28:376:464:31
6:37
-0:10
25K
15.53 mi11:53:111:45:076:4616:30
6:48
+0:11
30K
18.64 mi12:14:592:06:556:4921:48
7:01
+0:13
20M
20.00 mi12:24:342:16:306:499:35
7:03
+0:02
21M
21.00 mi12:31:492:23:456:517:15
7:15
+0:12
35K
21.75 mi12:36:552:28:516:515:06
6:49
-0:26
23M
23.00 mi12:45:402:37:366:518:45
6:59
+0:10
24M
24.00 mi12:52:292:44:256:516:49
6:49
-0:10
40K
24.85 mi12:58:242:50:206:515:55
6:55
+0:06
25.2M
25.20 mi13:01:022:52:586:522:38
7:38
+0:43
Finish
26.22 mi13:08:043:00:006:527:02
6:54
-0:44

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

6:52 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:22

99% of race

Time at Steady Pace

2:38

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:29:0921:056:4721:05
6:47
#6193
10K
6.21 mi10:50:0542:016:4620:56
6:44
#5937
15K
9.32 mi11:11:061:03:026:4621:01
6:46
#5833
20K
12.43 mi11:32:101:24:066:4621:04
6:47
#5642
Half
13.11 mi11:36:411:28:376:464:31
6:37
#5563
25K
15.53 mi11:53:111:45:076:4616:30
6:48
#5424
30K
18.64 mi12:14:592:06:556:4921:48
7:01
#5236
20M
20.00 mi12:24:342:16:306:499:35
7:03
#5136
21M
21.00 mi12:31:492:23:456:517:15
7:15
#4983
35K
21.75 mi12:36:552:28:516:515:06
6:49
#4921
23M
23.00 mi12:45:402:37:366:518:45
6:59
#4796
24M
24.00 mi12:52:292:44:256:516:49
6:49
#4724
40K
24.85 mi12:58:242:50:206:515:55
6:55
#4641
25.2M
25.20 mi13:01:022:52:586:522:38
7:38
#4632
Finish
26.22 mi13:08:043:00:006:527:02
6:54
#4686
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6193567356735716(Top 20%)5211(Top 32%)5211(Top 218%)
10K6.21 mi3.10 mi5937+2565455+2185455+2185682(Top 20%)5211(Top 32%)5211(Top 218%)
15K9.32 mi3.11 mi5833+1045355+1005355+1005716(Top 20%)5211(Top 32%)5211(Top 218%)
20K12.43 mi3.11 mi5642+1915182+1735182+1735096(Top 18%)4698(Top 29%)4698(Top 197%)
Half13.11 mi0.68 mi5563+795116+665116+664540(Top 16%)4233(Top 26%)4233(Top 177%)
25K15.53 mi2.42 mi5424+1394992+1244992+1244897(Top 17%)4498(Top 28%)4498(Top 189%)
30K18.64 mi3.11 mi5236+1884812+1804812+1804781(Top 17%)4356(Top 27%)4356(Top 183%)
20M20.00 mi1.36 mi5136+1004720+924720+924399(Top 15%)4005(Top 25%)4005(Top 168%)
21M21.00 mi1.00 mi4983+1534589+1314589+1313366(Top 12%)3088(Top 19%)3088(Top 129%)
35K21.75 mi0.75 mi4921+624526+634526+634186(Top 15%)3739(Top 23%)3739(Top 157%)
23M23.00 mi1.25 mi4796+1254409+1174409+1173682(Top 13%)3326(Top 21%)3326(Top 139%)
24M24.00 mi1.00 mi4724+724342+674342+673593(Top 13%)3212(Top 20%)3212(Top 135%)
40K24.85 mi0.85 mi4641+834263+794263+793446(Top 12%)3065(Top 19%)3065(Top 128%)
25.2M25.20 mi0.35 mi4632+94253+104253+103996(Top 14%)3412(Top 21%)3412(Top 143%)
Finish26.22 mi1.02 mi4686-544288-354288-355066(Top 18%)4154(Top 26%)4154(Top 174%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5716

Males

5211

M45-49

5211

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5682

Males

5211

M45-49

5211

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5716

Males

5211

M45-49

5211

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5096

Males

4698

M45-49

4698

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4540

Males

4233

M45-49

4233

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4897

Males

4498

M45-49

4498

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4781

Males

4356

M45-49

4356

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4399

Males

4005

M45-49

4005

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3366

Males

3088

M45-49

3088

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4186

Males

3739

M45-49

3739

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3682

Males

3326

M45-49

3326

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3593

Males

3212

M45-49

3212

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3446

Males

3065

M45-49

3065

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3996

Males

3412

M45-49

3412

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5066

Males

4154

M45-49

4154

Passing Analysis

Category:
Athletes Passed
2031
Passed By
524
Net Change
+1507
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6193
5K → 10K33276+256#6193#5937
10K → 15K18480+104#5937#5833
15K → 20K23544+191#5833#5642
20K → Half834+79#5642#5563
Half → 25K17738+139#5563#5424
25K → 30K25163+188#5424#5236
30K → 20M12727+100#5236#5136
20M → 21M16714+153#5136#4983
21M → 35K8321+62#4983#4921
35K → 23M14621+125#4921#4796
23M → 24M9321+72#4796#4724
24M → 40K9815+83#4724#4641
40K → 25.2M2920+9#4641#4632
25.2M → Finish2680-54#4632#4686
TOTALS2031524+1507
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing