Boston Marathon logo
BOSTON MARATHON 2025

Patrick Costello

Bib: 30105•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
32:41
Rank: #26807
Start → 5K
32:41 | 10:31/mi
10K· 6.21 mi
1:05:20
Rank: #26510 (+297)
5K → 10K
32:39 | 10:31/mi
15K· 9.32 mi
1:37:54
Rank: #26292 (+218)
10K → 15K
32:34 | 10:29/mi
20K· 12.43 mi
2:11:26
Rank: #26118 (+174)
15K → 20K
33:32 | 10:48/mi
Half· 13.11 mi
2:18:57
Rank: #26138 (-20)
20K → Half
7:31 | 11:01/mi
25K· 15.53 mi
2:47:00
Rank: #26120 (+18)
Half → 25K
28:03 | 11:34/mi
30K· 18.64 mi
3:25:17
Rank: #26096 (+24)
25K → 30K
38:17 | 12:19/mi
20M
3:43:01
Rank: #26145 (-49)
30K → 20M
17:44 | 13:03/mi
21M
3:57:03
Rank: #26178 (-33)
20M → 21M
14:02 | 14:02/mi
35K· 21.75 mi
4:06:30
Rank: #26212 (-34)
21M → 35K
9:27 | 12:38/mi
23M
4:23:38
Rank: #26282 (-70)
35K → 23M
17:08 | 13:41/mi
24M
4:36:33
Rank: #26309 (-27)
23M → 24M
12:55 | 12:55/mi
40K· 24.85 mi
4:47:29
Rank: #26317 (-8)
24M → 40K
10:56 | 12:47/mi
25.2M
4:52:16
Rank: #26316 (+1)
40K → 25.2M
4:47 | 13:52/mi
Finish· 26.22 mi
5:03:13
Rank: #26284 (+32)
25.2M → Finish
10:57 | 10:45/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
Time2:18:57
Pace10:36 /mi
2nd Half
Distance13.11 mi
Time2:44:16
Pace12:32 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:0132:4110:3132:41
10:31
-
10K
6.21 mi12:31:401:05:2010:3132:39
10:31
0:00
15K
9.32 mi13:04:141:37:5410:3032:34
10:29
-0:02
20K
12.43 mi13:37:462:11:2610:3533:32
10:48
+0:19
Half
13.11 mi13:45:172:18:5710:367:31
11:01
+0:13
25K
15.53 mi14:13:202:47:0010:4528:03
11:34
+0:33
30K
18.64 mi14:51:373:25:1711:0138:17
12:19
+0:45
20M
20.00 mi15:09:213:43:0111:0917:44
13:03
+0:44
21M
21.00 mi15:23:233:57:0311:1714:02
14:02
+0:59
35K
21.75 mi15:32:504:06:3011:209:27
12:38
-1:24
23M
23.00 mi15:49:584:23:3811:2817:08
13:41
+1:03
24M
24.00 mi16:02:534:36:3311:3112:55
12:55
-0:46
40K
24.85 mi16:13:494:47:2911:3410:56
12:47
-0:08
25.2M
25.20 mi16:18:364:52:1611:364:47
13:52
+1:05
Finish
26.22 mi16:29:335:03:1311:3410:57
10:45
-3:07

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

10:29 /mi

Average Pace

11:34 /mi

Slowest Pace

14:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:57

59% of race

Time at Steady Pace

1:11:35

24% of race

Time at Slower Pace

53:41

18% of race

Average Pace: 11:34 /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 mi11:59:0132:4110:3132:41
10:31
#26807
10K
6.21 mi12:31:401:05:2010:3132:39
10:31
#26510
15K
9.32 mi13:04:141:37:5410:3032:34
10:29
#26292
20K
12.43 mi13:37:462:11:2610:3533:32
10:48
#26118
Half
13.11 mi13:45:172:18:5710:367:31
11:01
#26138
25K
15.53 mi14:13:202:47:0010:4528:03
11:34
#26120
30K
18.64 mi14:51:373:25:1711:0138:17
12:19
#26096
20M
20.00 mi15:09:213:43:0111:0917:44
13:03
#26145
21M
21.00 mi15:23:233:57:0311:1714:02
14:02
#26178
35K
21.75 mi15:32:504:06:3011:209:27
12:38
#26212
23M
23.00 mi15:49:584:23:3811:2817:08
13:41
#26282
24M
24.00 mi16:02:534:36:3311:3112:55
12:55
#26309
40K
24.85 mi16:13:494:47:2911:3410:56
12:47
#26317
25.2M
25.20 mi16:18:364:52:1611:364:47
13:52
#26316
Finish
26.22 mi16:29:335:03:1311:3410:57
10:45
#26284
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26807155221552225907(Top 91%)15100(Top 94%)15100(Top 268%)
10K6.21 mi3.10 mi26510+29715384+13815384+13826279(Top 93%)15263(Top 95%)15263(Top 271%)
15K9.32 mi3.11 mi26292+21815284+10015284+10025907(Top 91%)15100(Top 94%)15100(Top 268%)
20K12.43 mi3.11 mi26118+17415203+8115203+8125707(Top 91%)14996(Top 93%)14996(Top 266%)
Half13.11 mi0.68 mi26138-2015214-1115214-1126529(Top 93%)15324(Top 95%)15324(Top 272%)
25K15.53 mi2.42 mi26120+1815199+1515199+1525949(Top 91%)15045(Top 93%)15045(Top 267%)
30K18.64 mi3.11 mi26096+2415153+4615153+4625968(Top 91%)14978(Top 93%)14978(Top 265%)
20M20.00 mi1.36 mi26145-4915159-615159-626495(Top 93%)15144(Top 94%)15144(Top 268%)
21M21.00 mi1.00 mi26178-3315164-515164-526269(Top 92%)15011(Top 93%)15011(Top 266%)
35K21.75 mi0.75 mi26212-3415170-615170-626603(Top 94%)15141(Top 94%)15141(Top 268%)
23M23.00 mi1.25 mi26282-7015186-1615186-1627054(Top 95%)15351(Top 95%)15351(Top 272%)
24M24.00 mi1.00 mi26309-27151861518626770(Top 94%)15184(Top 94%)15184(Top 269%)
40K24.85 mi0.85 mi26317-815183+315183+326058(Top 92%)14823(Top 92%)14823(Top 263%)
25.2M25.20 mi0.35 mi26316+115184-115184-126147(Top 92%)14829(Top 92%)14829(Top 263%)
Finish26.22 mi1.02 mi26284+3215165+1915165+1924836(Top 87%)14193(Top 88%)14193(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25907

Males

15100

M18-39

15100

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

26279

Males

15263

M18-39

15263

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25907

Males

15100

M18-39

15100

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

25707

Males

14996

M18-39

14996

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26529

Males

15324

M18-39

15324

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

25949

Males

15045

M18-39

15045

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

25968

Males

14978

M18-39

14978

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

26495

Males

15144

M18-39

15144

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

26269

Males

15011

M18-39

15011

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

26603

Males

15141

M18-39

15141

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

27054

Males

15351

M18-39

15351

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

26770

Males

15184

M18-39

15184

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26058

Males

14823

M18-39

14823

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26147

Males

14829

M18-39

14829

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24836

Males

14193

M18-39

14193

Passing Analysis

Category:
Athletes Passed
1245
Passed By
722
Net Change
+523
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26807
5K → 10K35457+297#26807#26510
10K → 15K25234+218#26510#26292
15K → 20K21541+174#26292#26118
20K → Half1737-20#26118#26138
Half → 25K9072+18#26138#26120
25K → 30K11591+24#26120#26096
30K → 20M3887-49#26096#26145
20M → 21M2760-33#26145#26178
21M → 35K2256-34#26178#26212
35K → 23M1787-70#26212#26282
23M → 24M2249-27#26282#26309
24M → 40K2230-8#26309#26317
40K → 25.2M109+1#26317#26316
25.2M → Finish4412+32#26316#26284
TOTALS1245722+523
📊

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