Boston Marathon logo
BOSTON MARATHON 2025

Sebastian Vidal

Bib: 1021 M CL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
5:59/mi
18:36
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:00/mi
37:15
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:01/mi
55:57
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:05/mi
1:14:51
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:01/mi
1:18:57
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:05/mi
1:33:43
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:07/mi
1:52:43
↑ 181↓ 1480.2%
138 ft elev
20M
6:11/mi
2:01:07
↑ 64↓ 500.2%
148 ft elev
21M
6:34/mi
2:07:41
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:08/mi
2:12:16
↑ 17↓ 861.7%
156 ft elev
23M
6:03/mi
2:19:50
↑ 23↓ 630.6%
116 ft elev
24M
5:58/mi
2:25:48
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:00/mi
2:30:56
↓ 200.3%
20 ft elev
25.2M
6:29/mi
2:33:10
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
5:36/mi
2:38:52
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:57
Pace6:01 /mi
2nd Half
Distance13.11 mi
Time1:19:55
Pace6:06 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3918:365:5918:36
5:59
-
10K
6.21 mi10:37:1837:156:0018:39
6:00
+0:01
15K
9.32 mi10:56:0055:576:0018:42
6:01
+0:01
20K
12.43 mi11:14:541:14:516:0118:54
6:05
+0:04
Half
13.11 mi11:19:001:18:576:014:06
6:01
-0:04
25K
15.53 mi11:33:461:33:436:0214:46
6:05
+0:04
30K
18.64 mi11:52:461:52:436:0319:00
6:07
+0:02
20M
20.00 mi12:01:102:01:076:038:24
6:11
+0:04
21M
21.00 mi12:07:442:07:416:056:34
6:34
+0:23
35K
21.75 mi12:12:192:12:166:054:35
6:08
-0:26
23M
23.00 mi12:19:532:19:506:057:34
6:03
-0:05
24M
24.00 mi12:25:512:25:486:055:58
5:58
-0:05
40K
24.85 mi12:30:592:30:566:045:08
6:00
+0:02
25.2M
25.20 mi12:33:132:33:106:052:14
6:29
+0:29
Finish
26.22 mi12:38:552:38:526:045:42
5:36
-0:53

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

5:36 /mi

Average Pace

6:04 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:40

89% of race

Time at Steady Pace

17:12

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:04 /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 mi10:18:3918:365:5918:36
5:59
#1035
10K
6.21 mi10:37:1837:156:0018:39
6:00
#1045
15K
9.32 mi10:56:0055:576:0018:42
6:01
#1056
20K
12.43 mi11:14:541:14:516:0118:54
6:05
#1055
Half
13.11 mi11:19:001:18:576:014:06
6:01
#1055
25K
15.53 mi11:33:461:33:436:0214:46
6:05
#1038
30K
18.64 mi11:52:461:52:436:0319:00
6:07
#951
20M
20.00 mi12:01:102:01:076:038:24
6:11
#902
21M
21.00 mi12:07:442:07:416:056:34
6:34
#877
35K
21.75 mi12:12:192:12:166:054:35
6:08
#865
23M
23.00 mi12:19:532:19:506:057:34
6:03
#824
24M
24.00 mi12:25:512:25:486:055:58
5:58
#789
40K
24.85 mi12:30:592:30:566:045:08
6:00
#760
25.2M
25.20 mi12:33:132:33:106:052:14
6:29
#748
Finish
26.22 mi12:38:552:38:526:045:42
5:36
#702
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10359769761083(Top 4%)1024(Top 6%)1024(Top 18%)
10K6.21 mi3.10 mi1045-10985-9985-91098(Top 4%)1036(Top 6%)1036(Top 18%)
15K9.32 mi3.11 mi1056-11996-11996-111083(Top 4%)1024(Top 6%)1024(Top 18%)
20K12.43 mi3.11 mi1055+1995+1995+11101(Top 4%)1037(Top 6%)1037(Top 18%)
Half13.11 mi0.68 mi10559959951142(Top 4%)1079(Top 7%)1079(Top 19%)
25K15.53 mi2.42 mi1038+17977+18977+181044(Top 4%)987(Top 6%)987(Top 17%)
30K18.64 mi3.11 mi951+87896+81896+81719(Top 3%)673(Top 4%)673(Top 12%)
20M20.00 mi1.36 mi902+49849+47849+47675(Top 2%)635(Top 4%)635(Top 11%)
21M21.00 mi1.00 mi877+25824+25824+25815(Top 3%)770(Top 5%)770(Top 14%)
35K21.75 mi0.75 mi865+12812+12812+12996(Top 4%)937(Top 6%)937(Top 17%)
23M23.00 mi1.25 mi824+41772+40772+40406(Top 1%)381(Top 2%)381(Top 7%)
24M24.00 mi1.00 mi789+35739+33739+33511(Top 2%)475(Top 3%)475(Top 8%)
40K24.85 mi0.85 mi760+29711+28711+28397(Top 1%)369(Top 2%)369(Top 7%)
25.2M25.20 mi0.35 mi748+12699+12699+12419(Top 1%)386(Top 2%)386(Top 7%)
Finish26.22 mi1.02 mi702+46653+46653+46228(Top 0.8%)215(Top 1%)215(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

1083

Males

1024

M18-39

1024

5K→10K

3.1 - 6.2 mi

Top 4%
×5story building
+79ft-138ft

Overall

1098

Males

1036

M18-39

1036

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

1083

Males

1024

M18-39

1024

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1101

Males

1037

M18-39

1037

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1142

Males

1079

M18-39

1079

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1044

Males

987

M18-39

987

25K→30K

15.5 - 18.6 mi

Top 3%
×9story building
+181ft-148ft

Overall

719

Males

673

M18-39

673

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

675

Males

635

M18-39

635

20M→21M

20.0 - 21.0 mi

Top 3%
×8story building
+106ft-24ft

Overall

815

Males

770

M18-39

770

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

996

Males

937

M18-39

937

35K→23M

21.8 - 23.0 mi

Top 1%
×5story building
+23ft-63ft

Overall

406

Males

381

M18-39

381

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

511

Males

475

M18-39

475

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

397

Males

369

M18-39

369

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

419

Males

386

M18-39

386

25.2M→Finish

25.2 - 26.2 mi

Top 0.8%
×2story building
+22ft-21ft

Overall

228

Males

215

M18-39

215

Passing Analysis

Category:
Athletes Passed
520
Passed By
187
Net Change
+333
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1035
5K → 10K4252-10#1035#1045
10K → 15K3041-11#1045#1056
15K → 20K3433+1#1056#1055
20K → Half660#1055#1055
Half → 25K3316+17#1055#1038
25K → 30K958+87#1038#951
30K → 20M545+49#951#902
20M → 21M3611+25#902#877
21M → 35K186+12#877#865
35K → 23M454+41#865#824
23M → 24M361+35#824#789
24M → 40K301+29#789#760
40K → 25.2M153+12#760#748
25.2M → Finish460+46#748#702
TOTALS520187+333
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing