Boston Marathon logo
BOSTON MARATHON 2025

Alfredo Estirado Cubero

Bib: 31522•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
9:26/mi
29:19
↑ 97↓ 3451.5%
10K· 6.21 mi
9:09/mi
57:44
↑ 79↓ 1380.4%
15K· 9.32 mi
9:18/mi
1:26:37
↑ 67↓ 78
20K· 12.43 mi
9:02/mi
1:54:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
2:00:38
↑ 19↓ 370.5%
25K· 15.53 mi
8:54/mi
2:22:13
↑ 66↓ 880.2%
30K· 18.64 mi
9:07/mi
2:50:31
↑ 181↓ 1480.2%
20M
10:30/mi
3:04:47
↑ 64↓ 500.2%
21M
10:09/mi
3:14:56
↑ 106↓ 241.6%
35K· 21.75 mi
7:45/mi
3:20:44
↑ 17↓ 861.7%
23M
9:53/mi
3:33:07
↑ 23↓ 630.6%
24M
8:38/mi
3:41:45
↓ 821.3%
40K· 24.85 mi
10:15/mi
3:50:31
↓ 200.3%
25.2M
12:17/mi
3:54:45
↑ 13↓ 160.2%
Finish· 26.22 mi
10:34/mi
4:05:31
↑ 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
Time2:00:38
Pace9:12 /mi
2nd Half
Distance13.11 mi
Time2:04:53
Pace9:32 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5829:199:2629:19
9:26
-
10K
6.21 mi12:20:2357:449:1728:25
9:09
-0:17
15K
9.32 mi12:49:161:26:379:1828:53
9:18
+0:09
20K
12.43 mi13:17:191:54:409:1428:03
9:02
-0:16
Half
13.11 mi13:23:172:00:389:125:58
8:45
-0:17
25K
15.53 mi13:44:522:22:139:0921:35
8:54
+0:09
30K
18.64 mi14:13:102:50:319:0928:18
9:07
+0:13
20M
20.00 mi14:27:263:04:479:1414:16
10:30
+1:23
21M
21.00 mi14:37:353:14:569:1710:09
10:09
-0:21
35K
21.75 mi14:43:233:20:449:145:48
7:45
-2:24
23M
23.00 mi14:55:463:33:079:1612:23
9:53
+2:08
24M
24.00 mi15:04:243:41:459:148:38
8:38
-1:15
40K
24.85 mi15:13:103:50:319:168:46
10:15
+1:37
25.2M
25.20 mi15:17:243:54:459:194:14
12:17
+2:02
Finish
26.22 mi15:28:104:05:319:2210:46
10:34
-1:43

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

7:45 /mi

Average Pace

9:22 /mi

Slowest Pace

12:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:24

8% of race

Time at Steady Pace

2:44:33

67% of race

Time at Slower Pace

1:00:34

25% of race

Average Pace: 9:22 /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 mi11:51:5829:199:2629:19
9:26
#24017
10K
6.21 mi12:20:2357:449:1728:25
9:09
#23517
15K
9.32 mi12:49:161:26:379:1828:53
9:18
#23410
20K
12.43 mi13:17:191:54:409:1428:03
9:02
#22894
Half
13.11 mi13:23:172:00:389:125:58
8:45
#22781
25K
15.53 mi13:44:522:22:139:0921:35
8:54
#22260
30K
18.64 mi14:13:102:50:319:0928:18
9:07
#21529
20M
20.00 mi14:27:263:04:479:1414:16
10:30
#21636
21M
21.00 mi14:37:353:14:569:1710:09
10:09
#21457
35K
21.75 mi14:43:233:20:449:145:48
7:45
#21161
23M
23.00 mi14:55:463:33:079:1612:23
9:53
#21084
24M
24.00 mi15:04:243:41:459:148:38
8:38
#20898
40K
24.85 mi15:13:103:50:319:168:46
10:15
#20908
25.2M
25.20 mi15:17:243:54:459:194:14
12:17
#20954
Finish
26.22 mi15:28:104:05:319:2210:46
10:34
#21124
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24017142471424723200(Top 82%)13929(Top 86%)13929(Top 247%)
10K6.21 mi3.10 mi23517+50014024+22314024+22322976(Top 81%)13792(Top 86%)13792(Top 244%)
15K9.32 mi3.11 mi23410+10713991+3313991+3323200(Top 82%)13929(Top 86%)13929(Top 247%)
20K12.43 mi3.11 mi22894+51613764+22713764+22721120(Top 74%)12942(Top 80%)12942(Top 229%)
Half13.11 mi0.68 mi22781+11313720+4413720+4420610(Top 73%)12736(Top 79%)12736(Top 226%)
25K15.53 mi2.42 mi22260+52113456+26413456+26419439(Top 68%)12166(Top 76%)12166(Top 216%)
30K18.64 mi3.11 mi21529+73113100+35613100+35618227(Top 64%)11478(Top 71%)11478(Top 203%)
20M20.00 mi1.36 mi21636-10713137-3713137-3722403(Top 79%)13233(Top 82%)13233(Top 235%)
21M21.00 mi1.00 mi21457+17913035+10213035+10218855(Top 66%)11547(Top 72%)11547(Top 205%)
35K21.75 mi0.75 mi21161+29612883+15212883+15210466(Top 37%)7620(Top 47%)7620(Top 135%)
23M23.00 mi1.25 mi21084+7712821+6212821+6220117(Top 71%)11955(Top 74%)11955(Top 212%)
24M24.00 mi1.00 mi20898+18612718+10312718+10315356(Top 54%)9751(Top 61%)9751(Top 173%)
40K24.85 mi0.85 mi20908-1012705+1312705+1321228(Top 75%)12392(Top 77%)12392(Top 220%)
25.2M25.20 mi0.35 mi20954-4612714-912714-923729(Top 84%)13622(Top 85%)13622(Top 241%)
Finish26.22 mi1.02 mi21124-17012778-6412778-6424421(Top 86%)13992(Top 87%)13992(Top 248%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23200

Males

13929

M18-39

13929

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

22976

Males

13792

M18-39

13792

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23200

Males

13929

M18-39

13929

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

21120

Males

12942

M18-39

12942

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20610

Males

12736

M18-39

12736

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

19439

Males

12166

M18-39

12166

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18227

Males

11478

M18-39

11478

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22403

Males

13233

M18-39

13233

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18855

Males

11547

M18-39

11547

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

10466

Males

7620

M18-39

7620

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20117

Males

11955

M18-39

11955

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15356

Males

9751

M18-39

9751

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21228

Males

12392

M18-39

12392

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23729

Males

13622

M18-39

13622

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24421

Males

13992

M18-39

13992

Passing Analysis

Category:
Athletes Passed
3629
Passed By
736
Net Change
+2893
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24017
5K → 10K57070+500#24017#23517
10K → 15K223116+107#23517#23410
15K → 20K5237+516#23410#22894
20K → Half1163+113#22894#22781
Half → 25K5232+521#22781#22260
25K → 30K7354+731#22260#21529
30K → 20M60167-107#21529#21636
20M → 21M19213+179#21636#21457
21M → 35K2960+296#21457#21161
35K → 23M13053+77#21161#21084
23M → 24M1882+186#21084#20898
24M → 40K5161-10#20898#20908
40K → 25.2M1157-46#20908#20954
25.2M → Finish11181-170#20954#21124
TOTALS3629736+2893
📊

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