Boston Marathon logo
BOSTON MARATHON 2025

Ivan Acosta

Bib: 5410•M

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:10
Rank: #3771
Start → 5K
20:10 | 6:29/mi
10K· 6.21 mi
40:19
Rank: #3696 (+75)
5K → 10K
20:09 | 6:29/mi
15K· 9.32 mi
1:00:26
Rank: #3578 (+118)
10K → 15K
20:07 | 6:28/mi
20K· 12.43 mi
1:20:46
Rank: #3499 (+79)
15K → 20K
20:20 | 6:33/mi
Half· 13.11 mi
1:25:12
Rank: #3502 (-3)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:40:56
Rank: #3363 (+139)
Half → 25K
15:44 | 6:29/mi
30K· 18.64 mi
2:01:33
Rank: #3160 (+203)
25K → 30K
20:37 | 6:38/mi
20M
2:10:30
Rank: #3019 (+141)
30K → 20M
8:57 | 6:35/mi
21M
2:17:20
Rank: #2897 (+122)
20M → 21M
6:50 | 6:50/mi
35K· 21.75 mi
2:22:06
Rank: #2831 (+66)
21M → 35K
4:46 | 6:22/mi
23M
2:30:21
Rank: #2726 (+105)
35K → 23M
8:15 | 6:35/mi
24M
2:36:51
Rank: #2647 (+79)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:42:17
Rank: #2547 (+100)
24M → 40K
5:26 | 6:21/mi
25.2M
2:44:42
Rank: #2519 (+28)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:51:00
Rank: #2442 (+77)
25.2M → Finish
6:18 | 6:11/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 Half⚖️ Balanced
Distance13.11 mi
Time1:25:12
Pace6:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:48
Pace6:33 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4520:106:2920:10
6:29
-
10K
6.21 mi10:43:5440:196:2920:09
6:29
0:00
15K
9.32 mi11:04:011:00:266:2920:07
6:28
-0:01
20K
12.43 mi11:24:211:20:466:3020:20
6:33
+0:05
Half
13.11 mi11:28:471:25:126:304:26
6:30
-0:03
25K
15.53 mi11:44:311:40:566:3015:44
6:29
-0:01
30K
18.64 mi12:05:082:01:336:3120:37
6:38
+0:09
20M
20.00 mi12:14:052:10:306:318:57
6:35
-0:03
21M
21.00 mi12:20:552:17:206:326:50
6:50
+0:15
35K
21.75 mi12:25:412:22:066:324:46
6:22
-0:28
23M
23.00 mi12:33:562:30:216:328:15
6:35
+0:13
24M
24.00 mi12:40:262:36:516:326:30
6:30
-0:05
40K
24.85 mi12:45:522:42:176:325:26
6:21
-0:09
25.2M
25.20 mi12:48:172:44:426:322:25
7:00
+0:39
Finish
26.22 mi12:54:352:51:006:326:18
6:11
-0:49

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

6:11 /mi

Average Pace

6:32 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:45

95% of race

Time at Steady Pace

9:15

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:31 /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 mi10:23:4520:106:2920:10
6:29
#3771
10K
6.21 mi10:43:5440:196:2920:09
6:29
#3696
15K
9.32 mi11:04:011:00:266:2920:07
6:28
#3578
20K
12.43 mi11:24:211:20:466:3020:20
6:33
#3499
Half
13.11 mi11:28:471:25:126:304:26
6:30
#3502
25K
15.53 mi11:44:311:40:566:3015:44
6:29
#3363
30K
18.64 mi12:05:082:01:336:3120:37
6:38
#3160
20M
20.00 mi12:14:052:10:306:318:57
6:35
#3019
21M
21.00 mi12:20:552:17:206:326:50
6:50
#2897
35K
21.75 mi12:25:412:22:066:324:46
6:22
#2831
23M
23.00 mi12:33:562:30:216:328:15
6:35
#2726
24M
24.00 mi12:40:262:36:516:326:30
6:30
#2647
40K
24.85 mi12:45:522:42:176:325:26
6:21
#2547
25.2M
25.20 mi12:48:172:44:426:322:25
7:00
#2519
Finish
26.22 mi12:54:352:51:006:326:18
6:11
#2442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3771357035703412(Top 12%)3236(Top 20%)3236(Top 57%)
10K6.21 mi3.10 mi3696+753502+683502+683612(Top 13%)3417(Top 21%)3417(Top 61%)
15K9.32 mi3.11 mi3578+1183391+1113391+1113412(Top 12%)3236(Top 20%)3236(Top 57%)
20K12.43 mi3.11 mi3499+793316+753316+753386(Top 12%)3208(Top 20%)3208(Top 57%)
Half13.11 mi0.68 mi3502-33318-23318-23665(Top 13%)3465(Top 22%)3465(Top 61%)
25K15.53 mi2.42 mi3363+1393196+1223196+1222838(Top 10%)2700(Top 17%)2700(Top 48%)
30K18.64 mi3.11 mi3160+2033004+1923004+1922577(Top 9%)2438(Top 15%)2438(Top 43%)
20M20.00 mi1.36 mi3019+1412868+1362868+1361978(Top 7%)1871(Top 12%)1871(Top 33%)
21M21.00 mi1.00 mi2897+1222754+1142754+1141656(Top 6%)1565(Top 10%)1565(Top 28%)
35K21.75 mi0.75 mi2831+662692+622692+621929(Top 7%)1813(Top 11%)1813(Top 32%)
23M23.00 mi1.25 mi2726+1052589+1032589+1031804(Top 6%)1690(Top 10%)1690(Top 30%)
24M24.00 mi1.00 mi2647+792513+762513+762067(Top 7%)1920(Top 12%)1920(Top 34%)
40K24.85 mi0.85 mi2547+1002416+972416+971132(Top 4%)1061(Top 7%)1061(Top 19%)
25.2M25.20 mi0.35 mi2519+282389+272389+271538(Top 5%)1409(Top 9%)1409(Top 25%)
Finish26.22 mi1.02 mi2442+772315+742315+741482(Top 5%)1380(Top 9%)1380(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3412

Males

3236

M18-39

3236

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3612

Males

3417

M18-39

3417

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3412

Males

3236

M18-39

3236

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3386

Males

3208

M18-39

3208

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3665

Males

3465

M18-39

3465

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2838

Males

2700

M18-39

2700

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2577

Males

2438

M18-39

2438

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1978

Males

1871

M18-39

1871

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1656

Males

1565

M18-39

1565

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1929

Males

1813

M18-39

1813

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1804

Males

1690

M18-39

1690

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

2067

Males

1920

M18-39

1920

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1132

Males

1061

M18-39

1061

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1538

Males

1409

M18-39

1409

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1482

Males

1380

M18-39

1380

Passing Analysis

Category:
Athletes Passed
1622
Passed By
293
Net Change
+1329
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3771
5K → 10K17297+75#3771#3696
10K → 15K16850+118#3696#3578
15K → 20K13758+79#3578#3499
20K → Half1114-3#3499#3502
Half → 25K15718+139#3502#3363
25K → 30K22219+203#3363#3160
30K → 20M1465+141#3160#3019
20M → 21M1242+122#3019#2897
21M → 35K726+66#2897#2831
35K → 23M1083+105#2831#2726
23M → 24M9011+79#2726#2647
24M → 40K1000+100#2647#2547
40K → 25.2M302+28#2547#2519
25.2M → Finish858+77#2519#2442
TOTALS1622293+1329
📊

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