Boston Marathon logo
BOSTON MARATHON 2025

Miguel Rios Valdez

Bib: 2704•M

OR

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:06
Rank: #1608
Start → 5K
6:09/mi
19:06 split
10K· 6.21 mi
37:44
Rank: #1324 (+284)
5K → 10K
6:00/mi
18:38 split
15K· 9.32 mi
56:43
Rank: #1340 (-16)
10K → 15K
6:07/mi
18:59 split
20K· 12.43 mi
1:15:47
Rank: #1317 (+23)
15K → 20K
6:08/mi
19:04 split
Half· 13.11 mi
1:19:54
Rank: #1321 (-4)
20K → Half
6:02/mi
4:07 split
25K· 15.53 mi
1:35:07
Rank: #1366 (-45)
Half → 25K
6:17/mi
15:13 split
30K· 18.64 mi
1:55:40
Rank: #1507 (-141)
25K → 30K
6:37/mi
20:33 split
20M
2:05:11
Rank: #1644 (-137)
30K → 20M
7:00/mi
9:31 split
21M
2:12:27
Rank: #1710 (-66)
20M → 21M
7:16/mi
7:16 split
35K· 21.75 mi
2:17:22
Rank: #1725 (-15)
21M → 35K
6:34/mi
4:55 split
23M
2:25:50
Rank: #1742 (-17)
35K → 23M
6:46/mi
8:28 split
24M
2:32:36
Rank: #1777 (-35)
23M → 24M
6:46/mi
6:46 split
40K· 24.85 mi
2:38:22
Rank: #1794 (-17)
24M → 40K
6:45/mi
5:46 split
25.2M
2:40:42
Rank: #1754 (+40)
40K → 25.2M
6:45/mi
2:20 split
Finish· 26.22 mi
2:47:35
Rank: #1806 (-52)
25.2M → Finish
6:45/mi
6:53 split

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
Time1:19:54
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:27:41
Pace6:41 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1019:066:0919:06
6:09
-
10K
6.21 mi10:38:4837:446:0418:38
6:00
-0:09
15K
9.32 mi10:57:4756:436:0518:59
6:07
+0:07
20K
12.43 mi11:16:511:15:476:0619:04
6:08
+0:01
Half
13.11 mi11:20:581:19:546:064:07
6:02
-0:06
25K
15.53 mi11:36:111:35:076:0715:13
6:17
+0:15
30K
18.64 mi11:56:441:55:406:1220:33
6:37
+0:20
20M
20.00 mi12:06:152:05:116:169:31
7:00
+0:23
21M
21.00 mi12:13:312:12:276:187:16
7:16
+0:16
35K
21.75 mi12:18:262:17:226:194:55
6:34
-0:42
23M
23.00 mi12:26:542:25:506:208:28
6:46
+0:12
24M
24.00 mi12:33:402:32:366:226:46
6:46
0:00
40K
24.85 mi12:39:262:38:226:225:46
6:45
-0:01
25.2M
25.20 mi12:41:462:40:426:232:20
6:45
0:00
Finish
26.22 mi12:48:392:47:356:246:53
6:45
0:00

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

6:00 /mi

Average Pace

6:24 /mi

Slowest Pace

7:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:07

57% of race

Time at Steady Pace

55:41

33% of race

Time at Slower Pace

16:47

10% of race

Average Pace: 6:23 /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 mi10:20:1019:066:0919:06
6:09
#1608
10K
6.21 mi10:38:4837:446:0418:38
6:00
#1324
15K
9.32 mi10:57:4756:436:0518:59
6:07
#1340
20K
12.43 mi11:16:511:15:476:0619:04
6:08
#1317
Half
13.11 mi11:20:581:19:546:064:07
6:02
#1321
25K
15.53 mi11:36:111:35:076:0715:13
6:17
#1366
30K
18.64 mi11:56:441:55:406:1220:33
6:37
#1507
20M
20.00 mi12:06:152:05:116:169:31
7:00
#1644
21M
21.00 mi12:13:312:12:276:187:16
7:16
#1710
35K
21.75 mi12:18:262:17:226:194:55
6:34
#1725
23M
23.00 mi12:26:542:25:506:208:28
6:46
#1742
24M
24.00 mi12:33:402:32:366:226:46
6:46
#1777
40K
24.85 mi12:39:262:38:226:225:46
6:45
#1794
25.2M
25.20 mi12:41:462:40:426:232:20
6:45
#1754
Finish
26.22 mi12:48:392:47:356:246:53
6:45
#1806
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1608152715271439(Top 5%)1370(Top 9%)1370(Top 24%)
10K6.21 mi3.10 mi1324+2841259+2681259+2681096(Top 4%)1034(Top 6%)1034(Top 18%)
15K9.32 mi3.11 mi1340-161273-141273-141439(Top 5%)1370(Top 9%)1370(Top 24%)
20K12.43 mi3.11 mi1317+231248+251248+251318(Top 5%)1248(Top 8%)1248(Top 22%)
Half13.11 mi0.68 mi1321-41252-41252-41312(Top 5%)1246(Top 8%)1246(Top 22%)
25K15.53 mi2.42 mi1366-451295-431295-431768(Top 6%)1680(Top 10%)1680(Top 30%)
30K18.64 mi3.11 mi1507-1411427-1321427-1322475(Top 9%)2343(Top 15%)2343(Top 42%)
20M20.00 mi1.36 mi1644-1371559-1321559-1324123(Top 15%)3776(Top 23%)3776(Top 67%)
21M21.00 mi1.00 mi1710-661622-631622-633466(Top 12%)3178(Top 20%)3178(Top 56%)
35K21.75 mi0.75 mi1725-151635-131635-132838(Top 10%)2620(Top 16%)2620(Top 46%)
23M23.00 mi1.25 mi1742-171652-171652-172554(Top 9%)2357(Top 15%)2357(Top 42%)
24M24.00 mi1.00 mi1777-351684-321684-323277(Top 12%)2944(Top 18%)2944(Top 52%)
40K24.85 mi0.85 mi1794-171698-141698-142591(Top 9%)2359(Top 15%)2359(Top 42%)
25.2M25.20 mi0.35 mi1754+401659+391659+39836(Top 3%)771(Top 5%)771(Top 14%)
Finish26.22 mi1.02 mi1806-521709-501709-504284(Top 15%)3631(Top 23%)3631(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1439

Males

1370

M18-39

1370

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1096

Males

1034

M18-39

1034

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1439

Males

1370

M18-39

1370

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1318

Males

1248

M18-39

1248

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1312

Males

1246

M18-39

1246

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1768

Males

1680

M18-39

1680

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2475

Males

2343

M18-39

2343

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4123

Males

3776

M18-39

3776

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3466

Males

3178

M18-39

3178

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2838

Males

2620

M18-39

2620

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2554

Males

2357

M18-39

2357

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3277

Males

2944

M18-39

2944

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2591

Males

2359

M18-39

2359

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

836

Males

771

M18-39

771

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4284

Males

3631

M18-39

3631

Passing Analysis

Category:
Athletes Passed
632
Passed By
830
Net Change
-198
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1608
5K → 10K2884+284#1608#1324
10K → 15K3450-16#1324#1340
15K → 20K5835+23#1340#1317
20K → Half812-4#1317#1321
Half → 25K2772-45#1321#1366
25K → 30K23164-141#1366#1507
30K → 20M13150-137#1507#1644
20M → 21M2490-66#1644#1710
21M → 35K1530-15#1710#1725
35K → 23M3754-17#1725#1742
23M → 24M2560-35#1742#1777
24M → 40K2340-17#1777#1794
40K → 25.2M411+40#1794#1754
25.2M → Finish1668-52#1754#1806
TOTALS632830-198
📊

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