Boston Marathon logo
BOSTON MARATHON 2025

Matthew Halliday

Bib: 5584•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:55
Rank: #548
Start → 5K
17:55 | 5:46/mi
10K· 6.21 mi
36:09
Rank: #632 (-84)
5K → 10K
18:14 | 5:52/mi
15K· 9.32 mi
54:39
Rank: #701 (-69)
10K → 15K
18:30 | 5:57/mi
20K· 12.43 mi
1:13:23
Rank: #747 (-46)
15K → 20K
18:44 | 6:02/mi
Half· 13.11 mi
1:17:28
Rank: #763 (-16)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:32:17
Rank: #797 (-34)
Half → 25K
14:49 | 6:07/mi
30K· 18.64 mi
1:51:50
Rank: #823 (-26)
25K → 30K
19:33 | 6:18/mi
20M
2:00:19
Rank: #800 (+23)
30K → 20M
8:29 | 6:15/mi
21M
2:06:56
Rank: #797 (+3)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:11:26
Rank: #778 (+19)
21M → 35K
4:30 | 6:01/mi
23M
2:19:22
Rank: #775 (+3)
35K → 23M
7:56 | 6:20/mi
24M
2:25:28
Rank: #756 (+19)
23M → 24M
6:06 | 6:06/mi
40K· 24.85 mi
2:30:50
Rank: #746 (+10)
24M → 40K
5:22 | 6:17/mi
25.2M
2:33:08
Rank: #745 (+1)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:39:14
Rank: #736 (+9)
25.2M → Finish
6:06 | 5:59/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
Time1:17:28
Pace5:55 /mi
2nd Half
Distance13.11 mi
Time1:21:46
Pace6:14 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2917:555:4617:55
5:46
-
10K
6.21 mi10:37:4336:095:4918:14
5:52
+0:06
15K
9.32 mi10:56:1354:395:5218:30
5:57
+0:05
20K
12.43 mi11:14:571:13:235:5418:44
6:02
+0:05
Half
13.11 mi11:19:021:17:285:554:05
5:59
-0:03
25K
15.53 mi11:33:511:32:175:5614:49
6:07
+0:08
30K
18.64 mi11:53:241:51:506:0019:33
6:18
+0:11
20M
20.00 mi12:01:532:00:196:018:29
6:15
-0:03
21M
21.00 mi12:08:302:06:566:036:37
6:37
+0:22
35K
21.75 mi12:13:002:11:266:034:30
6:01
-0:36
23M
23.00 mi12:20:562:19:226:047:56
6:20
+0:19
24M
24.00 mi12:27:022:25:286:046:06
6:06
-0:14
40K
24.85 mi12:32:242:30:506:045:22
6:17
+0:11
25.2M
25.20 mi12:34:422:33:086:052:18
6:40
+0:23
Finish
26.22 mi12:40:482:39:146:056:06
5:59
-0:41

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

5:46 /mi

Average Pace

6:05 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:19

94% of race

Time at Steady Pace

8:55

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:04 /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 mi10:19:2917:555:4617:55
5:46
#548
10K
6.21 mi10:37:4336:095:4918:14
5:52
#632
15K
9.32 mi10:56:1354:395:5218:30
5:57
#701
20K
12.43 mi11:14:571:13:235:5418:44
6:02
#747
Half
13.11 mi11:19:021:17:285:554:05
5:59
#763
25K
15.53 mi11:33:511:32:175:5614:49
6:07
#797
30K
18.64 mi11:53:241:51:506:0019:33
6:18
#823
20M
20.00 mi12:01:532:00:196:018:29
6:15
#800
21M
21.00 mi12:08:302:06:566:036:37
6:37
#797
35K
21.75 mi12:13:002:11:266:034:30
6:01
#778
23M
23.00 mi12:20:562:19:226:047:56
6:20
#775
24M
24.00 mi12:27:022:25:286:046:06
6:06
#756
40K
24.85 mi12:32:242:30:506:045:22
6:17
#746
25.2M
25.20 mi12:34:422:33:086:052:18
6:40
#745
Finish
26.22 mi12:40:482:39:146:056:06
5:59
#736
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi548509509897(Top 3%)845(Top 5%)845(Top 15%)
10K6.21 mi3.10 mi632-84586-77586-77762(Top 3%)715(Top 4%)715(Top 13%)
15K9.32 mi3.11 mi701-69653-67653-67897(Top 3%)845(Top 5%)845(Top 15%)
20K12.43 mi3.11 mi747-46698-45698-45948(Top 3%)893(Top 6%)893(Top 16%)
Half13.11 mi0.68 mi763-16714-16714-161067(Top 4%)1009(Top 6%)1009(Top 18%)
25K15.53 mi2.42 mi797-34746-32746-321118(Top 4%)1054(Top 7%)1054(Top 19%)
30K18.64 mi3.11 mi823-26773-27773-271174(Top 4%)1108(Top 7%)1108(Top 20%)
20M20.00 mi1.36 mi800+23750+23750+23819(Top 3%)772(Top 5%)772(Top 14%)
21M21.00 mi1.00 mi797+3747+3747+3944(Top 3%)894(Top 6%)894(Top 16%)
35K21.75 mi0.75 mi778+19728+19728+19755(Top 3%)706(Top 4%)706(Top 13%)
23M23.00 mi1.25 mi775+3726+2726+2952(Top 3%)896(Top 6%)896(Top 16%)
24M24.00 mi1.00 mi756+19707+19707+19760(Top 3%)714(Top 4%)714(Top 13%)
40K24.85 mi0.85 mi746+10697+10697+10902(Top 3%)844(Top 5%)844(Top 15%)
25.2M25.20 mi0.35 mi745+1696+1696+1697(Top 2%)647(Top 4%)647(Top 11%)
Finish26.22 mi1.02 mi736+9686+10686+10867(Top 3%)816(Top 5%)816(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

897

Males

845

M18-39

845

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

762

Males

715

M18-39

715

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

897

Males

845

M18-39

845

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

948

Males

893

M18-39

893

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1067

Males

1009

M18-39

1009

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1118

Males

1054

M18-39

1054

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1174

Males

1108

M18-39

1108

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

819

Males

772

M18-39

772

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

944

Males

894

M18-39

894

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

755

Males

706

M18-39

706

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

952

Males

896

M18-39

896

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

760

Males

714

M18-39

714

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

902

Males

844

M18-39

844

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

697

Males

647

M18-39

647

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

867

Males

816

M18-39

816

Passing Analysis

Category:
Athletes Passed
228
Passed By
416
Net Change
-188
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#548
5K → 10K791-84#548#632
10K → 15K776-69#632#701
15K → 20K1561-46#701#747
20K → Half218-16#747#763
Half → 25K1448-34#763#797
25K → 30K2955-26#797#823
30K → 20M274+23#823#800
20M → 21M1512+3#800#797
21M → 35K256+19#797#778
35K → 23M2219+3#778#775
23M → 24M223+19#775#756
24M → 40K166+10#756#746
40K → 25.2M87+1#746#745
25.2M → Finish1910+9#745#736
TOTALS228416-188
📊

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