Boston Marathon logo
BOSTON MARATHON 2025

Gabriel Garcia De San Roman Gonzalez

Bib: 8504•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 38%
Masters (Masters Men)
#0 / 10463
Top 25%
Division (M50-54)
#0 / 1996
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:13
Rank: #6549
Start → 5K
21:13 | 6:50/mi
10K· 6.21 mi
42:36
Rank: #6794 (-245)
5K → 10K
21:23 | 6:53/mi
15K· 9.32 mi
1:04:15
Rank: #7013 (-219)
10K → 15K
21:39 | 6:58/mi
20K· 12.43 mi
1:26:09
Rank: #7085 (-72)
15K → 20K
21:54 | 7:03/mi
Half· 13.11 mi
1:30:55
Rank: #7085
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:48:26
Rank: #7133 (-48)
Half → 25K
17:31 | 7:13/mi
30K· 18.64 mi
2:12:05
Rank: #7247 (-114)
25K → 30K
23:39 | 7:37/mi
20M
2:22:41
Rank: #7289 (-42)
30K → 20M
10:36 | 7:48/mi
21M
2:30:45
Rank: #7255 (+34)
20M → 21M
8:04 | 8:04/mi
35K· 21.75 mi
2:36:18
Rank: #7230 (+25)
21M → 35K
5:33 | 7:25/mi
23M
2:46:07
Rank: #7259 (-29)
35K → 23M
9:49 | 7:50/mi
24M
2:53:41
Rank: #7247 (+12)
23M → 24M
7:34 | 7:34/mi
40K· 24.85 mi
3:00:24
Rank: #7282 (-35)
24M → 40K
6:43 | 7:51/mi
25.2M
3:03:20
Rank: #7287 (-5)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:10:32
Rank: #7207 (+80)
25.2M → Finish
7:12 | 7:04/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
Time1:30:55
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:39:37
Pace7:36 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2521:136:5021:13
6:50
-
10K
6.21 mi11:07:4842:366:5121:23
6:53
+0:03
15K
9.32 mi11:29:271:04:156:5421:39
6:58
+0:05
20K
12.43 mi11:51:211:26:096:5621:54
7:03
+0:05
Half
13.11 mi11:56:071:30:556:564:46
6:59
-0:04
25K
15.53 mi12:13:381:48:266:5917:31
7:13
+0:14
30K
18.64 mi12:37:172:12:057:0523:39
7:37
+0:24
20M
20.00 mi12:47:532:22:417:0810:36
7:48
+0:11
21M
21.00 mi12:55:572:30:457:118:04
8:04
+0:16
35K
21.75 mi13:01:302:36:187:115:33
7:25
-0:39
23M
23.00 mi13:11:192:46:077:139:49
7:50
+0:25
24M
24.00 mi13:18:532:53:417:147:34
7:34
-0:16
40K
24.85 mi13:25:363:00:247:156:43
7:51
+0:17
25.2M
25.20 mi13:28:323:03:207:172:56
8:30
+0:39
Finish
26.22 mi13:35:443:10:327:167:12
7:04
-1:26

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

6:50 /mi

Average Pace

7:16 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:07

51% of race

Time at Steady Pace

54:17

28% of race

Time at Slower Pace

38:08

20% of race

Average Pace: 7:16 /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 mi10:46:2521:136:5021:13
6:50
#6549
10K
6.21 mi11:07:4842:366:5121:23
6:53
#6794
15K
9.32 mi11:29:271:04:156:5421:39
6:58
#7013
20K
12.43 mi11:51:211:26:096:5621:54
7:03
#7085
Half
13.11 mi11:56:071:30:556:564:46
6:59
#7085
25K
15.53 mi12:13:381:48:266:5917:31
7:13
#7133
30K
18.64 mi12:37:172:12:057:0523:39
7:37
#7247
20M
20.00 mi12:47:532:22:417:0810:36
7:48
#7289
21M
21.00 mi12:55:572:30:457:118:04
8:04
#7255
35K
21.75 mi13:01:302:36:187:115:33
7:25
#7230
23M
23.00 mi13:11:192:46:077:139:49
7:50
#7259
24M
24.00 mi13:18:532:53:417:147:34
7:34
#7247
40K
24.85 mi13:25:363:00:247:156:43
7:51
#7282
25.2M
25.20 mi13:28:323:03:207:172:56
8:30
#7287
Finish
26.22 mi13:35:443:10:327:167:12
7:04
#7207
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6549595659567419(Top 26%)6551(Top 41%)6551(Top 328%)
10K6.21 mi3.10 mi6794-2456134-1786134-1787102(Top 25%)6354(Top 39%)6354(Top 318%)
15K9.32 mi3.11 mi7013-2196295-1616295-1617419(Top 26%)6551(Top 41%)6551(Top 328%)
20K12.43 mi3.11 mi7085-726334-396334-397176(Top 25%)6326(Top 39%)6326(Top 317%)
Half13.11 mi0.68 mi70856332+26332+27428(Top 26%)6518(Top 40%)6518(Top 327%)
25K15.53 mi2.42 mi7133-486350-186350-187767(Top 27%)6614(Top 41%)6614(Top 331%)
30K18.64 mi3.11 mi7247-1146382-326382-328516(Top 30%)6886(Top 43%)6886(Top 345%)
20M20.00 mi1.36 mi7289-426381+16381+18991(Top 32%)6978(Top 43%)6978(Top 350%)
21M21.00 mi1.00 mi7255+346327+546327+547707(Top 27%)6090(Top 38%)6090(Top 305%)
35K21.75 mi0.75 mi7230+256290+376290+378006(Top 28%)6291(Top 39%)6291(Top 315%)
23M23.00 mi1.25 mi7259-296263+276263+278835(Top 31%)6623(Top 41%)6623(Top 332%)
24M24.00 mi1.00 mi7247+126226+376226+378116(Top 29%)6174(Top 38%)6174(Top 309%)
40K24.85 mi0.85 mi7282-356221+56221+59132(Top 32%)6579(Top 41%)6579(Top 330%)
25.2M25.20 mi0.35 mi7287-56213+86213+88733(Top 31%)6292(Top 39%)6292(Top 315%)
Finish26.22 mi1.02 mi7207+806135+786135+786136(Top 22%)4812(Top 30%)4812(Top 241%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7419

Males

6551

M50-54

6551

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7102

Males

6354

M50-54

6354

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7419

Males

6551

M50-54

6551

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7176

Males

6326

M50-54

6326

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7428

Males

6518

M50-54

6518

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7767

Males

6614

M50-54

6614

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8516

Males

6886

M50-54

6886

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8991

Males

6978

M50-54

6978

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7707

Males

6090

M50-54

6090

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

8006

Males

6291

M50-54

6291

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8835

Males

6623

M50-54

6623

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8116

Males

6174

M50-54

6174

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9132

Males

6579

M50-54

6579

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8733

Males

6292

M50-54

6292

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6136

Males

4812

M50-54

4812

Passing Analysis

Category:
Athletes Passed
1159
Passed By
1817
Net Change
-658
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6549
5K → 10K106351-245#6549#6794
10K → 15K77296-219#6794#7013
15K → 20K124196-72#7013#7085
20K → Half21210#7085#7085
Half → 25K101149-48#7085#7133
25K → 30K146260-114#7133#7247
30K → 20M83125-42#7247#7289
20M → 21M9864+34#7289#7255
21M → 35K6439+25#7255#7230
35K → 23M81110-29#7230#7259
23M → 24M8371+12#7259#7247
24M → 40K4883-35#7247#7282
40K → 25.2M3035-5#7282#7287
25.2M → Finish9717+80#7287#7207
TOTALS11591817-658
📊

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