Boston Marathon logo
BOSTON MARATHON 2025

Ulysses Lopez Vazquez

Bib: 4219•M

WA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
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
19:10
Rank: #1691
Start → 5K
19:10 | 6:10/mi
10K· 6.21 mi
38:14
Rank: #1648 (+43)
5K → 10K
19:04 | 6:08/mi
15K· 9.32 mi
57:11
Rank: #1561 (+87)
10K → 15K
18:57 | 6:06/mi
20K· 12.43 mi
1:16:15
Rank: #1476 (+85)
15K → 20K
19:04 | 6:08/mi
Half· 13.11 mi
1:20:23
Rank: #1471 (+5)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:35:25
Rank: #1442 (+29)
Half → 25K
15:02 | 6:12/mi
30K· 18.64 mi
1:57:49
Rank: #2041 (-599)
25K → 30K
22:24 | 7:13/mi
20M
2:11:24
Rank: #3279 (-1238)
30K → 20M
13:35 | 10:00/mi
21M
2:20:48
Rank: #3884 (-605)
20M → 21M
9:24 | 9:24/mi
35K· 21.75 mi
2:27:32
Rank: #4423 (-539)
21M → 35K
6:44 | 9:00/mi
23M
2:35:50
Rank: #4194 (+229)
35K → 23M
8:18 | 6:38/mi
24M
2:44:24
Rank: #4718 (-524)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
2:51:50
Rank: #5093 (-375)
24M → 40K
7:26 | 8:42/mi
25.2M
2:54:59
Rank: #5170 (-77)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:02:13
Rank: #5165 (+5)
25.2M → Finish
7:14 | 7:06/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
Time1:20:23
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:41:50
Pace7:46 /mi
📊Positive Split: 26.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0719:106:1019:10
6:10
-
10K
6.21 mi10:40:1138:146:0919:04
6:08
-0:02
15K
9.32 mi10:59:0857:116:0818:57
6:06
-0:02
20K
12.43 mi11:18:121:16:156:0819:04
6:08
+0:02
Half
13.11 mi11:22:201:20:236:084:08
6:03
-0:05
25K
15.53 mi11:37:221:35:256:0915:02
6:12
+0:09
30K
18.64 mi11:59:461:57:496:1922:24
7:13
+1:01
20M
20.00 mi12:13:212:11:246:3413:35
10:00
+2:47
21M
21.00 mi12:22:452:20:486:429:24
9:24
-0:36
35K
21.75 mi12:29:292:27:326:476:44
9:00
-0:24
23M
23.00 mi12:37:472:35:506:478:18
6:38
-2:22
24M
24.00 mi12:46:212:44:246:518:34
8:34
+1:56
40K
24.85 mi12:53:472:51:506:557:26
8:42
+0:08
25.2M
25.20 mi12:56:562:54:596:573:09
9:08
+0:26
Finish
26.22 mi13:04:103:02:136:577:14
7:06
-2:02

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

6:03 /mi

Average Pace

6:57 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:25

52% of race

Time at Steady Pace

37:56

21% of race

Time at Slower Pace

48:52

27% of race

Average Pace: 6:57 /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 mi10:21:0719:106:1019:10
6:10
#1691
10K
6.21 mi10:40:1138:146:0919:04
6:08
#1648
15K
9.32 mi10:59:0857:116:0818:57
6:06
#1561
20K
12.43 mi11:18:121:16:156:0819:04
6:08
#1476
Half
13.11 mi11:22:201:20:236:084:08
6:03
#1471
25K
15.53 mi11:37:221:35:256:0915:02
6:12
#1442
30K
18.64 mi11:59:461:57:496:1922:24
7:13
#2041
20M
20.00 mi12:13:212:11:246:3413:35
10:00
#3279
21M
21.00 mi12:22:452:20:486:429:24
9:24
#3884
35K
21.75 mi12:29:292:27:326:476:44
9:00
#4423
23M
23.00 mi12:37:472:35:506:478:18
6:38
#4194
24M
24.00 mi12:46:212:44:246:518:34
8:34
#4718
40K
24.85 mi12:53:472:51:506:557:26
8:42
#5093
25.2M
25.20 mi12:56:562:54:596:573:09
9:08
#5170
Finish
26.22 mi13:04:103:02:136:577:14
7:06
#5165
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1691160716071381(Top 5%)1313(Top 8%)1313(Top 23%)
10K6.21 mi3.10 mi1648+431569+381569+381621(Top 6%)1543(Top 10%)1543(Top 27%)
15K9.32 mi3.11 mi1561+871485+841485+841381(Top 5%)1313(Top 8%)1313(Top 23%)
20K12.43 mi3.11 mi1476+851401+841401+841316(Top 5%)1246(Top 8%)1246(Top 22%)
Half13.11 mi0.68 mi1471+51396+51396+51401(Top 5%)1333(Top 8%)1333(Top 24%)
25K15.53 mi2.42 mi1442+291370+261370+261461(Top 5%)1389(Top 9%)1389(Top 25%)
30K18.64 mi3.11 mi2041-5991945-5751945-5755950(Top 21%)5269(Top 33%)5269(Top 93%)
20M20.00 mi1.36 mi3279-12383104-11593104-115920910(Top 74%)12540(Top 78%)12540(Top 222%)
21M21.00 mi1.00 mi3884-6053643-5393643-53915591(Top 55%)10035(Top 62%)10035(Top 178%)
35K21.75 mi0.75 mi4423-5394104-4614104-46118185(Top 64%)11121(Top 69%)11121(Top 197%)
23M23.00 mi1.25 mi4194+2293896+2083896+2081952(Top 7%)1823(Top 11%)1823(Top 32%)
24M24.00 mi1.00 mi4718-5244336-4404336-44014884(Top 52%)9511(Top 59%)9511(Top 169%)
40K24.85 mi0.85 mi5093-3754640-3044640-30414530(Top 51%)9219(Top 57%)9219(Top 163%)
25.2M25.20 mi0.35 mi5170-774700-604700-6012445(Top 44%)8174(Top 51%)8174(Top 145%)
Finish26.22 mi1.02 mi5165+54686+144686+146336(Top 22%)4936(Top 31%)4936(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1381

Males

1313

M18-39

1313

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1621

Males

1543

M18-39

1543

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1381

Males

1313

M18-39

1313

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1316

Males

1246

M18-39

1246

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1401

Males

1333

M18-39

1333

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1461

Males

1389

M18-39

1389

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5950

Males

5269

M18-39

5269

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

20910

Males

12540

M18-39

12540

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

15591

Males

10035

M18-39

10035

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18185

Males

11121

M18-39

11121

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1952

Males

1823

M18-39

1823

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14884

Males

9511

M18-39

9511

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14530

Males

9219

M18-39

9219

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12445

Males

8174

M18-39

8174

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6336

Males

4936

M18-39

4936

Passing Analysis

Category:
Athletes Passed
674
Passed By
4148
Net Change
-3474
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1691
5K → 10K10259+43#1691#1648
10K → 15K10619+87#1648#1561
15K → 20K9712+85#1561#1476
20K → Half149+5#1476#1471
Half → 25K5122+29#1471#1442
25K → 30K1600-599#1442#2041
30K → 20M01238-1238#2041#3279
20M → 21M2607-605#3279#3884
21M → 35K3542-539#3884#4423
35K → 23M2301+229#4423#4194
23M → 24M6530-524#4194#4718
24M → 40K12387-375#4718#5093
40K → 25.2M582-77#5093#5170
25.2M → Finish4540+5#5170#5165
TOTALS6744148-3474
📊

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