Boston Marathon logo
BOSTON MARATHON 2025

Sergio Somilleda Aguilar

Bib: 14013•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 49%
Masters (Masters Men)
#0 / 10463
Top 38%
Division (M50-54)
#0 / 1996
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:39/mi
23:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
47:04
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:09:58
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:33:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:37:56
↑ 19↓ 370.5%
25K· 15.53 mi
7:23/mi
1:55:49
↑ 66↓ 880.2%
30K· 18.64 mi
7:44/mi
2:19:50
↑ 181↓ 1480.2%
20M
7:55/mi
2:30:36
↑ 64↓ 500.2%
21M
8:24/mi
2:39:00
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:44:54
↑ 17↓ 861.7%
23M
8:05/mi
2:55:01
↑ 23↓ 630.6%
24M
7:55/mi
3:02:56
↓ 821.3%
40K· 24.85 mi
7:53/mi
3:09:40
↓ 200.3%
25.2M
8:27/mi
3:12:35
↑ 13↓ 160.2%
Finish· 26.22 mi
7:31/mi
3:20:15
↑ 22↓ 21

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
Time1:37:56
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:42:19
Pace7:48 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3223:457:3923:45
7:39
-
10K
6.21 mi11:16:5147:047:3423:19
7:30
-0:09
15K
9.32 mi11:39:451:09:587:3022:54
7:22
-0:08
20K
12.43 mi12:02:471:33:007:2923:02
7:25
+0:03
Half
13.11 mi12:07:431:37:567:284:56
7:14
-0:11
25K
15.53 mi12:25:361:55:497:2717:53
7:23
+0:09
30K
18.64 mi12:49:372:19:507:3024:01
7:44
+0:21
20M
20.00 mi13:00:232:30:367:3210:46
7:55
+0:11
21M
21.00 mi13:08:472:39:007:348:24
8:24
+0:29
35K
21.75 mi13:14:412:44:547:355:54
7:53
-0:31
23M
23.00 mi13:24:482:55:017:3710:07
8:05
+0:12
24M
24.00 mi13:32:433:02:567:377:55
7:55
-0:10
40K
24.85 mi13:39:273:09:407:386:44
7:53
-0:02
25.2M
25.20 mi13:42:223:12:357:392:55
8:27
+0:34
Finish
26.22 mi13:50:023:20:157:397:40
7:31
-0:56

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

7:14 /mi

Average Pace

7:39 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:49

89% of race

Time at Steady Pace

21:26

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:53:3223:457:3923:45
7:39
#13448
10K
6.21 mi11:16:5147:047:3423:19
7:30
#12786
15K
9.32 mi11:39:451:09:587:3022:54
7:22
#12033
20K
12.43 mi12:02:471:33:007:2923:02
7:25
#11496
Half
13.11 mi12:07:431:37:567:284:56
7:14
#11395
25K
15.53 mi12:25:361:55:497:2717:53
7:23
#10936
30K
18.64 mi12:49:372:19:507:3024:01
7:44
#10605
20M
20.00 mi13:00:232:30:367:3210:46
7:55
#10514
21M
21.00 mi13:08:472:39:007:348:24
8:24
#10440
35K
21.75 mi13:14:412:44:547:355:54
7:53
#10464
23M
23.00 mi13:24:482:55:017:3710:07
8:05
#10412
24M
24.00 mi13:32:433:02:567:377:55
7:55
#10415
40K
24.85 mi13:39:273:09:407:386:44
7:53
#10321
25.2M
25.20 mi13:42:223:12:357:392:55
8:27
#10292
Finish
26.22 mi13:50:023:20:157:397:40
7:31
#10223
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi134489833983310589(Top 37%)8392(Top 52%)8392(Top 420%)
10K6.21 mi3.10 mi12786+6629525+3089525+30812123(Top 43%)9204(Top 57%)9204(Top 461%)
15K9.32 mi3.11 mi12033+7539140+3859140+38510589(Top 37%)8392(Top 52%)8392(Top 420%)
20K12.43 mi3.11 mi11496+5378855+2858855+28510002(Top 35%)8010(Top 50%)8010(Top 401%)
Half13.11 mi0.68 mi11395+1018810+458810+459338(Top 33%)7681(Top 48%)7681(Top 385%)
25K15.53 mi2.42 mi10936+4598552+2588552+2588958(Top 32%)7317(Top 45%)7317(Top 367%)
30K18.64 mi3.11 mi10605+3318318+2348318+2349404(Top 33%)7377(Top 46%)7377(Top 370%)
20M20.00 mi1.36 mi10514+918224+948224+949905(Top 35%)7486(Top 46%)7486(Top 375%)
21M21.00 mi1.00 mi10440+748148+768148+769825(Top 35%)7269(Top 45%)7269(Top 364%)
35K21.75 mi0.75 mi10464-248146+28146+211421(Top 40%)8055(Top 50%)8055(Top 404%)
23M23.00 mi1.25 mi10412+528072+748072+7410595(Top 37%)7531(Top 47%)7531(Top 377%)
24M24.00 mi1.00 mi10415-38046+268046+2610639(Top 37%)7495(Top 47%)7495(Top 376%)
40K24.85 mi0.85 mi10321+947959+877959+879287(Top 33%)6680(Top 41%)6680(Top 335%)
25.2M25.20 mi0.35 mi10292+297926+337926+338533(Top 30%)6218(Top 39%)6218(Top 312%)
Finish26.22 mi1.02 mi10223+697861+657861+659347(Top 33%)6633(Top 41%)6633(Top 332%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

10589

Males

8392

M50-54

8392

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12123

Males

9204

M50-54

9204

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

10589

Males

8392

M50-54

8392

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

10002

Males

8010

M50-54

8010

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9338

Males

7681

M50-54

7681

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8958

Males

7317

M50-54

7317

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

9404

Males

7377

M50-54

7377

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9905

Males

7486

M50-54

7486

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9825

Males

7269

M50-54

7269

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11421

Males

8055

M50-54

8055

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10595

Males

7531

M50-54

7531

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10639

Males

7495

M50-54

7495

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9287

Males

6680

M50-54

6680

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8533

Males

6218

M50-54

6218

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9347

Males

6633

M50-54

6633

Passing Analysis

Category:
Athletes Passed
3874
Passed By
649
Net Change
+3225
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13448
5K → 10K73472+662#13448#12786
10K → 15K76714+753#12786#12033
15K → 20K55316+537#12033#11496
20K → Half1032+101#11496#11395
Half → 25K4678+459#11395#10936
25K → 30K40776+331#10936#10605
30K → 20M15564+91#10605#10514
20M → 21M14470+74#10514#10440
21M → 35K5377-24#10440#10464
35K → 23M12977+52#10464#10412
23M → 24M7780-3#10412#10415
24M → 40K12632+94#10415#10321
40K → 25.2M4819+29#10321#10292
25.2M → Finish11142+69#10292#10223
TOTALS3874649+3225
📊

Passing Visuals

Category:
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