Boston Marathon logo
BOSTON MARATHON 2025

Brendan Mccarthy

Bib: 2417•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 35%
Gender (Male)
#0 / 16105
Top 47%
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
21:35
Rank: #7412
Start → 5K
6:57/mi
21:35 split
10K· 6.21 mi
43:41
Rank: #8091 (-679)
5K → 10K
7:07/mi
22:06 split
15K· 9.32 mi
1:05:57
Rank: #8303 (-212)
10K → 15K
7:10/mi
22:16 split
20K· 12.43 mi
1:28:40
Rank: #8414 (-111)
15K → 20K
7:19/mi
22:43 split
Half· 13.11 mi
1:33:31
Rank: #8409 (+5)
20K → Half
7:07/mi
4:51 split
25K· 15.53 mi
1:51:39
Rank: #8571 (-162)
Half → 25K
7:29/mi
18:08 split
30K· 18.64 mi
2:16:04
Rank: #8827 (-256)
25K → 30K
7:52/mi
24:25 split
20M
2:26:44
Rank: #8840 (-13)
30K → 20M
7:51/mi
10:40 split
21M
2:35:51
Rank: #9167 (-327)
20M → 21M
9:07/mi
9:07 split
35K· 21.75 mi
2:41:30
Rank: #9133 (+34)
21M → 35K
7:33/mi
5:39 split
23M
2:52:19
Rank: #9429 (-296)
35K → 23M
8:38/mi
10:49 split
24M
3:00:48
Rank: #9666 (-237)
23M → 24M
8:29/mi
8:29 split
40K· 24.85 mi
3:08:11
Rank: #9839 (-173)
24M → 40K
8:38/mi
7:23 split
25.2M
3:11:18
Rank: #9862 (-23)
40K → 25.2M
9:02/mi
3:07 split
Finish· 26.22 mi
3:18:57
Rank: #9801 (+61)
25.2M → Finish
7:30/mi
7:39 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
Time1:33:31
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:45:26
Pace8:03 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5021:356:5721:35
6:57
-
10K
6.21 mi10:44:5643:417:0222:06
7:07
+0:10
15K
9.32 mi11:07:121:05:577:0522:16
7:10
+0:03
20K
12.43 mi11:29:551:28:407:0822:43
7:19
+0:09
Half
13.11 mi11:34:461:33:317:084:51
7:07
-0:12
25K
15.53 mi11:52:541:51:397:1118:08
7:29
+0:22
30K
18.64 mi12:17:192:16:047:1824:25
7:52
+0:23
20M
20.00 mi12:27:592:26:447:2010:40
7:51
-0:01
21M
21.00 mi12:37:062:35:517:259:07
9:07
+1:16
35K
21.75 mi12:42:452:41:307:265:39
7:33
-1:34
23M
23.00 mi12:53:342:52:197:3010:49
8:38
+1:05
24M
24.00 mi13:02:033:00:487:328:29
8:29
-0:09
40K
24.85 mi13:09:263:08:117:347:23
8:38
+0:09
25.2M
25.20 mi13:12:333:11:187:353:07
9:02
+0:24
Finish
26.22 mi13:20:123:18:577:367:39
7:30
-1:32

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

6:57 /mi

Average Pace

7:36 /mi

Slowest Pace

9:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:48

36% of race

Time at Steady Pace

1:29:14

45% of race

Time at Slower Pace

38:55

20% of race

Average Pace: 7:35 /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 mi10:22:5021:356:5721:35
6:57
#7412
10K
6.21 mi10:44:5643:417:0222:06
7:07
#8091
15K
9.32 mi11:07:121:05:577:0522:16
7:10
#8303
20K
12.43 mi11:29:551:28:407:0822:43
7:19
#8414
Half
13.11 mi11:34:461:33:317:084:51
7:07
#8409
25K
15.53 mi11:52:541:51:397:1118:08
7:29
#8571
30K
18.64 mi12:17:192:16:047:1824:25
7:52
#8827
20M
20.00 mi12:27:592:26:447:2010:40
7:51
#8840
21M
21.00 mi12:37:062:35:517:259:07
9:07
#9167
35K
21.75 mi12:42:452:41:307:265:39
7:33
#9133
23M
23.00 mi12:53:342:52:197:3010:49
8:38
#9429
24M
24.00 mi13:02:033:00:487:328:29
8:29
#9666
40K
24.85 mi13:09:263:08:117:347:23
8:38
#9839
25.2M
25.20 mi13:12:333:11:187:353:07
9:02
#9862
Finish
26.22 mi13:20:123:18:577:367:39
7:30
#9801
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7412660666068833(Top 31%)7458(Top 46%)7458(Top 132%)
10K6.21 mi3.10 mi8091-6797046-4407046-4408780(Top 31%)7465(Top 46%)7465(Top 132%)
15K9.32 mi3.11 mi8303-2127162-1167162-1168833(Top 31%)7458(Top 46%)7458(Top 132%)
20K12.43 mi3.11 mi8414-1117204-427204-429132(Top 32%)7525(Top 47%)7525(Top 133%)
Half13.11 mi0.68 mi8409+57198+67198+68348(Top 29%)7117(Top 44%)7117(Top 126%)
25K15.53 mi2.42 mi8571-1627282-847282-849787(Top 34%)7752(Top 48%)7752(Top 137%)
30K18.64 mi3.11 mi8827-2567371-897371-8910338(Top 36%)7856(Top 49%)7856(Top 139%)
20M20.00 mi1.36 mi8840-137345+267345+269357(Top 33%)7184(Top 45%)7184(Top 127%)
21M21.00 mi1.00 mi9167-3277497-1527497-15214162(Top 50%)9399(Top 58%)9399(Top 167%)
35K21.75 mi0.75 mi9133+347451+467451+468997(Top 32%)6859(Top 43%)6859(Top 122%)
23M23.00 mi1.25 mi9429-2967580-1297580-12914145(Top 50%)9224(Top 57%)9224(Top 163%)
24M24.00 mi1.00 mi9666-2377666-867666-8614357(Top 51%)9301(Top 58%)9301(Top 165%)
40K24.85 mi0.85 mi9839-1737711-457711-4514229(Top 50%)9094(Top 56%)9094(Top 161%)
25.2M25.20 mi0.35 mi9862-237705+67705+611939(Top 42%)7950(Top 49%)7950(Top 141%)
Finish26.22 mi1.02 mi9801+617643+627643+629228(Top 32%)6573(Top 41%)6573(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8833

Males

7458

M18-39

7458

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8780

Males

7465

M18-39

7465

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8833

Males

7458

M18-39

7458

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

9132

Males

7525

M18-39

7525

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8348

Males

7117

M18-39

7117

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9787

Males

7752

M18-39

7752

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

10338

Males

7856

M18-39

7856

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9357

Males

7184

M18-39

7184

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

14162

Males

9399

M18-39

9399

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8997

Males

6859

M18-39

6859

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

14145

Males

9224

M18-39

9224

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14357

Males

9301

M18-39

9301

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14229

Males

9094

M18-39

9094

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11939

Males

7950

M18-39

7950

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

9228

Males

6573

M18-39

6573

Passing Analysis

Category:
Athletes Passed
960
Passed By
3348
Net Change
-2389
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7412
5K → 10K43722-679#7412#8091
10K → 15K77289-212#8091#8303
15K → 20K130241-111#8303#8414
20K → Half3227+5#8414#8409
Half → 25K87249-162#8409#8571
25K → 30K142398-256#8571#8827
30K → 20M97110-13#8827#8840
20M → 21M36363-327#8840#9167
21M → 35K7036+34#9167#9133
35K → 23M51347-296#9133#9429
23M → 24M29266-237#9429#9666
24M → 40K33205-173#9666#9839
40K → 25.2M2649-23#9839#9862
25.2M → Finish10746+61#9862#9801
TOTALS9603348-2389
📊

Passing Visuals

Category:
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