Boston Marathon logo
BOSTON MARATHON 2025

Matthew Reynolds

Bib: 1458•M

NH

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 2%
Division (M18-39)
#0 / 5642
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:13
Rank: #722
Start → 5K
18:13 | 5:52/mi
10K· 6.21 mi
36:25
Rank: #717 (+5)
5K → 10K
18:12 | 5:51/mi
15K· 9.32 mi
54:38
Rank: #692 (+25)
10K → 15K
18:13 | 5:52/mi
20K· 12.43 mi
1:12:58
Rank: #665 (+27)
15K → 20K
18:20 | 5:54/mi
Half· 13.11 mi
1:16:57
Rank: #664 (+1)
20K → Half
3:59 | 5:50/mi
25K· 15.53 mi
1:31:08
Rank: #616 (+48)
Half → 25K
14:11 | 5:51/mi
30K· 18.64 mi
1:49:34
Rank: #550 (+66)
25K → 30K
18:26 | 5:56/mi
20M
1:57:41
Rank: #525 (+25)
30K → 20M
8:07 | 5:58/mi
21M
2:04:02
Rank: #513 (+12)
20M → 21M
6:21 | 6:21/mi
35K· 21.75 mi
2:08:25
Rank: #505 (+8)
21M → 35K
4:23 | 5:52/mi
23M
2:16:01
Rank: #484 (+21)
35K → 23M
7:36 | 6:04/mi
24M
2:22:02
Rank: #482 (+2)
23M → 24M
6:01 | 6:01/mi
40K· 24.85 mi
2:27:18
Rank: #471 (+11)
24M → 40K
5:16 | 6:10/mi
25.2M
2:29:33
Rank: #464 (+7)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:35:09
Rank: #438 (+26)
25.2M → Finish
5:36 | 5:30/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
Time1:16:57
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:18:12
Pace5:58 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3418:135:5218:13
5:52
-
10K
6.21 mi10:36:4636:255:5218:12
5:51
-0:01
15K
9.32 mi10:54:5954:385:5218:13
5:52
+0:01
20K
12.43 mi11:13:191:12:585:5218:20
5:54
+0:02
Half
13.11 mi11:17:181:16:575:523:59
5:50
-0:04
25K
15.53 mi11:31:291:31:085:5214:11
5:51
+0:01
30K
18.64 mi11:49:551:49:345:5318:26
5:56
+0:05
20M
20.00 mi11:58:021:57:415:538:07
5:58
+0:02
21M
21.00 mi12:04:232:04:025:546:21
6:21
+0:23
35K
21.75 mi12:08:462:08:255:544:23
5:52
-0:29
23M
23.00 mi12:16:222:16:015:557:36
6:04
+0:12
24M
24.00 mi12:22:232:22:025:556:01
6:01
-0:03
40K
24.85 mi12:27:392:27:185:565:16
6:10
+0:09
25.2M
25.20 mi12:29:542:29:335:562:15
6:31
+0:21
Finish
26.22 mi12:35:302:35:095:555:36
5:30
-1:01

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

5:30 /mi

Average Pace

5:55 /mi

Slowest Pace

6:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:41

86% of race

Time at Steady Pace

19:13

12% of race

Time at Slower Pace

2:15

1% of race

Average Pace: 5:55 /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 mi10:18:3418:135:5218:13
5:52
#722
10K
6.21 mi10:36:4636:255:5218:12
5:51
#717
15K
9.32 mi10:54:5954:385:5218:13
5:52
#692
20K
12.43 mi11:13:191:12:585:5218:20
5:54
#665
Half
13.11 mi11:17:181:16:575:523:59
5:50
#664
25K
15.53 mi11:31:291:31:085:5214:11
5:51
#616
30K
18.64 mi11:49:551:49:345:5318:26
5:56
#550
20M
20.00 mi11:58:021:57:415:538:07
5:58
#525
21M
21.00 mi12:04:232:04:025:546:21
6:21
#513
35K
21.75 mi12:08:462:08:255:544:23
5:52
#505
23M
23.00 mi12:16:222:16:015:557:36
6:04
#484
24M
24.00 mi12:22:232:22:025:556:01
6:01
#482
40K
24.85 mi12:27:392:27:185:565:16
6:10
#471
25.2M
25.20 mi12:29:542:29:335:562:15
6:31
#464
Finish
26.22 mi12:35:302:35:095:555:36
5:30
#438
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi722671671657(Top 2%)611(Top 4%)611(Top 11%)
10K6.21 mi3.10 mi717+5668+3668+3729(Top 3%)684(Top 4%)684(Top 12%)
15K9.32 mi3.11 mi692+25644+24644+24657(Top 2%)611(Top 4%)611(Top 11%)
20K12.43 mi3.11 mi665+27618+26618+26618(Top 2%)571(Top 4%)571(Top 10%)
Half13.11 mi0.68 mi664+1617+1617+1645(Top 2%)602(Top 4%)602(Top 11%)
25K15.53 mi2.42 mi616+48570+47570+47486(Top 2%)453(Top 3%)453(Top 8%)
30K18.64 mi3.11 mi550+66505+65505+65402(Top 1%)373(Top 2%)373(Top 7%)
20M20.00 mi1.36 mi525+25480+25480+25347(Top 1%)323(Top 2%)323(Top 6%)
21M21.00 mi1.00 mi513+12471+9471+9430(Top 2%)405(Top 3%)405(Top 7%)
35K21.75 mi0.75 mi505+8463+8463+8455(Top 2%)423(Top 3%)423(Top 7%)
23M23.00 mi1.25 mi484+21443+20443+20432(Top 2%)406(Top 3%)406(Top 7%)
24M24.00 mi1.00 mi482+2442+1442+1609(Top 2%)569(Top 4%)569(Top 10%)
40K24.85 mi0.85 mi471+11433+9433+9644(Top 2%)600(Top 4%)600(Top 11%)
25.2M25.20 mi0.35 mi464+7428+5428+5472(Top 2%)437(Top 3%)437(Top 8%)
Finish26.22 mi1.02 mi438+26402+26402+26146(Top 0.5%)140(Top 0.9%)140(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

657

Males

611

M18-39

611

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

729

Males

684

M18-39

684

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

657

Males

611

M18-39

611

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

618

Males

571

M18-39

571

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

645

Males

602

M18-39

602

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

486

Males

453

M18-39

453

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

402

Males

373

M18-39

373

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

347

Males

323

M18-39

323

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

430

Males

405

M18-39

405

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

455

Males

423

M18-39

423

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

432

Males

406

M18-39

406

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

609

Males

569

M18-39

569

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

644

Males

600

M18-39

600

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

472

Males

437

M18-39

437

25.2M→Finish

25.2 - 26.2 mi

Top 0.5%
×2stories
+22ft-21ft

Overall

146

Males

140

M18-39

140

Passing Analysis

Category:
Athletes Passed
377
Passed By
93
Net Change
+284
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#722
5K → 10K3631+5#722#717
10K → 15K3712+25#717#692
15K → 20K358+27#692#665
20K → Half65+1#665#664
Half → 25K513+48#664#616
25K → 30K704+66#616#550
30K → 20M261+25#550#525
20M → 21M175+12#525#513
21M → 35K135+8#513#505
35K → 23M276+21#505#484
23M → 24M75+2#484#482
24M → 40K176+11#482#471
40K → 25.2M92+7#471#464
25.2M → Finish260+26#464#438
TOTALS37793+284
📊

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