Boston Marathon logo
BOSTON MARATHON 2025

River Corrado

Bib: 26515•M

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
30:12
Rank: #24890
Start → 5K
30:12 | 9:43/mi
10K· 6.21 mi
58:46
Rank: #24062 (+828)
5K → 10K
28:34 | 9:12/mi
15K· 9.32 mi
1:25:45
Rank: #23108 (+954)
10K → 15K
26:59 | 8:41/mi
20K· 12.43 mi
1:53:08
Rank: #22370 (+738)
15K → 20K
27:23 | 8:49/mi
Half· 13.11 mi
1:59:04
Rank: #22274 (+96)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:20:53
Rank: #21892 (+382)
Half → 25K
21:49 | 9:00/mi
30K· 18.64 mi
2:50:21
Rank: #21482 (+410)
25K → 30K
29:28 | 9:29/mi
20M
3:03:54
Rank: #21434 (+48)
30K → 20M
13:33 | 9:58/mi
21M
3:14:00
Rank: #21286 (+148)
20M → 21M
10:06 | 10:06/mi
35K· 21.75 mi
3:21:24
Rank: #21293 (-7)
21M → 35K
7:24 | 9:53/mi
23M
3:35:01
Rank: #21424 (-131)
35K → 23M
13:37 | 10:53/mi
24M
3:44:25
Rank: #21314 (+110)
23M → 24M
9:24 | 9:24/mi
40K· 24.85 mi
3:52:32
Rank: #21211 (+103)
24M → 40K
8:07 | 9:30/mi
25.2M
3:55:53
Rank: #21130 (+81)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
4:04:14
Rank: #20924 (+206)
25.2M → Finish
8:21 | 8:12/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
Time1:59:04
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:05:10
Pace9:33 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4930:129:4330:12
9:43
-
10K
6.21 mi12:22:2358:469:2728:34
9:12
-0:31
15K
9.32 mi12:49:221:25:459:1226:59
8:41
-0:31
20K
12.43 mi13:16:451:53:089:0627:23
8:49
+0:08
Half
13.11 mi13:22:411:59:049:055:56
8:42
-0:07
25K
15.53 mi13:44:302:20:539:0421:49
9:00
+0:18
30K
18.64 mi14:13:582:50:219:0829:28
9:29
+0:29
20M
20.00 mi14:27:313:03:549:1213:33
9:58
+0:29
21M
21.00 mi14:37:373:14:009:1410:06
10:06
+0:08
35K
21.75 mi14:45:013:21:249:167:24
9:53
-0:13
23M
23.00 mi14:58:383:35:019:2113:37
10:53
+1:00
24M
24.00 mi15:08:023:44:259:219:24
9:24
-1:29
40K
24.85 mi15:16:093:52:329:218:07
9:30
+0:06
25.2M
25.20 mi15:19:303:55:539:223:21
9:43
+0:13
Finish
26.22 mi15:27:514:04:149:198:21
8:12
-1:31

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

8:12 /mi

Average Pace

9:19 /mi

Slowest Pace

10:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:28

37% of race

Time at Steady Pace

1:49:06

45% of race

Time at Slower Pace

44:40

18% of race

Average Pace: 9:19 /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 mi11:53:4930:129:4330:12
9:43
#24890
10K
6.21 mi12:22:2358:469:2728:34
9:12
#24062
15K
9.32 mi12:49:221:25:459:1226:59
8:41
#23108
20K
12.43 mi13:16:451:53:089:0627:23
8:49
#22370
Half
13.11 mi13:22:411:59:049:055:56
8:42
#22274
25K
15.53 mi13:44:302:20:539:0421:49
9:00
#21892
30K
18.64 mi14:13:582:50:219:0829:28
9:29
#21482
20M
20.00 mi14:27:313:03:549:1213:33
9:58
#21434
21M
21.00 mi14:37:373:14:009:1410:06
10:06
#21286
35K
21.75 mi14:45:013:21:249:167:24
9:53
#21293
23M
23.00 mi14:58:383:35:019:2113:37
10:53
#21424
24M
24.00 mi15:08:023:44:259:219:24
9:24
#21314
40K
24.85 mi15:16:093:52:329:218:07
9:30
#21211
25.2M
25.20 mi15:19:303:55:539:223:21
9:43
#21130
Finish
26.22 mi15:27:514:04:149:198:21
8:12
#20924
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24890146711467120397(Top 72%)12690(Top 79%)12690(Top 225%)
10K6.21 mi3.10 mi24062+82814280+39114280+39123170(Top 82%)13883(Top 86%)13883(Top 246%)
15K9.32 mi3.11 mi23108+95413853+42713853+42720397(Top 72%)12690(Top 79%)12690(Top 225%)
20K12.43 mi3.11 mi22370+73813511+34213511+34219996(Top 70%)12464(Top 77%)12464(Top 221%)
Half13.11 mi0.68 mi22274+9613461+5013461+5020316(Top 72%)12608(Top 78%)12608(Top 223%)
25K15.53 mi2.42 mi21892+38213284+17713284+17719887(Top 70%)12365(Top 77%)12365(Top 219%)
30K18.64 mi3.11 mi21482+41013073+21113073+21119877(Top 70%)12232(Top 76%)12232(Top 217%)
20M20.00 mi1.36 mi21434+4813034+3913034+3920824(Top 73%)12506(Top 78%)12506(Top 222%)
21M21.00 mi1.00 mi21286+14812956+7812956+7818671(Top 66%)11463(Top 71%)11463(Top 203%)
35K21.75 mi0.75 mi21293-712951+512951+521583(Top 76%)12710(Top 79%)12710(Top 225%)
23M23.00 mi1.25 mi21424-13112977-2612977-2622935(Top 81%)13308(Top 83%)13308(Top 236%)
24M24.00 mi1.00 mi21314+11012905+7212905+7219225(Top 68%)11518(Top 72%)11518(Top 204%)
40K24.85 mi0.85 mi21211+10312838+6712838+6718683(Top 66%)11168(Top 69%)11168(Top 198%)
25.2M25.20 mi0.35 mi21130+8112794+4412794+4415677(Top 55%)9743(Top 60%)9743(Top 173%)
Finish26.22 mi1.02 mi20924+20612682+11212682+11214228(Top 50%)9138(Top 57%)9138(Top 162%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20397

Males

12690

M18-39

12690

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

23170

Males

13883

M18-39

13883

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20397

Males

12690

M18-39

12690

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19996

Males

12464

M18-39

12464

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20316

Males

12608

M18-39

12608

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

19887

Males

12365

M18-39

12365

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19877

Males

12232

M18-39

12232

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20824

Males

12506

M18-39

12506

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18671

Males

11463

M18-39

11463

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

21583

Males

12710

M18-39

12710

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

22935

Males

13308

M18-39

13308

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

19225

Males

11518

M18-39

11518

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18683

Males

11168

M18-39

11168

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15677

Males

9743

M18-39

9743

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14228

Males

9138

M18-39

9138

Passing Analysis

Category:
Athletes Passed
4389
Passed By
423
Net Change
+3966
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24890
5K → 10K84113+828#24890#24062
10K → 15K9562+954#24062#23108
15K → 20K7391+738#23108#22370
20K → Half960+96#22370#22274
Half → 25K39715+382#22274#21892
25K → 30K44636+410#21892#21482
30K → 20M12173+48#21482#21434
20M → 21M16517+148#21434#21286
21M → 35K4552-7#21286#21293
35K → 23M65196-131#21293#21424
23M → 24M1188+110#21424#21314
24M → 40K1129+103#21314#21211
40K → 25.2M821+81#21211#21130
25.2M → Finish2060+206#21130#20924
TOTALS4389423+3966
📊

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