Boston Marathon logo
BOSTON MARATHON 2025

Desmond Mccarthy

Bib: 21503•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 50%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:12/mi
25:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:10/mi
50:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:15:53
↑ 67↓ 78
20K· 12.43 mi
8:05/mi
1:40:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:46:24
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
2:05:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:31:33
↑ 181↓ 1480.2%
20M
8:12/mi
2:42:42
↑ 64↓ 500.2%
21M
8:47/mi
2:51:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:57:15
↑ 17↓ 861.7%
23M
7:58/mi
3:07:14
↑ 23↓ 630.6%
24M
7:49/mi
3:15:03
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:21:56
↓ 200.3%
25.2M
9:17/mi
3:25:08
↑ 13↓ 160.2%
Finish· 26.22 mi
8:15/mi
3:33:32
↑ 22↓ 21

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 Half⚖️ Balanced
Distance13.11 mi
Time1:46:24
Pace8:07 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:47:08
Pace8:10 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2225:308:1225:30
8:12
-
10K
6.21 mi11:45:4450:528:1125:22
8:10
-0:02
15K
9.32 mi12:10:451:15:538:0825:01
8:03
-0:07
20K
12.43 mi12:35:511:40:598:0825:06
8:05
+0:02
Half
13.11 mi12:41:161:46:248:075:25
7:56
-0:09
25K
15.53 mi13:00:452:05:538:0619:29
8:02
+0:06
30K
18.64 mi13:26:252:31:338:0825:40
8:16
+0:14
20M
20.00 mi13:37:342:42:428:0811:09
8:12
-0:04
21M
21.00 mi13:46:212:51:298:108:47
8:47
+0:35
35K
21.75 mi13:52:072:57:158:095:46
7:42
-1:05
23M
23.00 mi14:02:063:07:148:089:59
7:58
+0:16
24M
24.00 mi14:09:553:15:038:087:49
7:49
-0:09
40K
24.85 mi14:16:483:21:568:076:53
8:03
+0:14
25.2M
25.20 mi14:20:003:25:088:083:12
9:17
+1:14
Finish
26.22 mi14:28:243:33:328:098:24
8:15
-1:02

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

7:42 /mi

Average Pace

8:09 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:35

6% of race

Time at Steady Pace

3:07:58

88% of race

Time at Slower Pace

11:59

6% of race

Average Pace: 8:09 /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 mi11:20:2225:308:1225:30
8:12
#18140
10K
6.21 mi11:45:4450:528:1125:22
8:10
#17872
15K
9.32 mi12:10:451:15:538:0825:01
8:03
#17363
20K
12.43 mi12:35:511:40:598:0825:06
8:05
#16860
Half
13.11 mi12:41:161:46:248:075:25
7:56
#16775
25K
15.53 mi13:00:452:05:538:0619:29
8:02
#16344
30K
18.64 mi13:26:252:31:338:0825:40
8:16
#15744
20M
20.00 mi13:37:342:42:428:0811:09
8:12
#15396
21M
21.00 mi13:46:212:51:298:108:47
8:47
#15137
35K
21.75 mi13:52:072:57:158:095:46
7:42
#14946
23M
23.00 mi14:02:063:07:148:089:59
7:58
#14602
24M
24.00 mi14:09:553:15:038:087:49
7:49
#14387
40K
24.85 mi14:16:483:21:568:076:53
8:03
#14222
25.2M
25.20 mi14:20:003:25:088:083:12
9:17
#14194
Finish
26.22 mi14:28:243:33:328:098:24
8:15
#14176
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18140116541165416410(Top 58%)10974(Top 68%)10974(Top 872%)
10K6.21 mi3.10 mi17872+26811566+8811566+8817639(Top 62%)11502(Top 71%)11502(Top 914%)
15K9.32 mi3.11 mi17363+50911381+18511381+18516410(Top 58%)10974(Top 68%)10974(Top 872%)
20K12.43 mi3.11 mi16860+50311155+22611155+22615477(Top 54%)10529(Top 65%)10529(Top 836%)
Half13.11 mi0.68 mi16775+8511124+3111124+3115346(Top 54%)10483(Top 65%)10483(Top 833%)
25K15.53 mi2.42 mi16344+43110926+19810926+19814167(Top 50%)9836(Top 61%)9836(Top 781%)
30K18.64 mi3.11 mi15744+60010617+30910617+30913235(Top 47%)9242(Top 57%)9242(Top 734%)
20M20.00 mi1.36 mi15396+34810427+19010427+19011836(Top 42%)8450(Top 52%)8450(Top 671%)
21M21.00 mi1.00 mi15137+25910290+13710290+13712186(Top 43%)8462(Top 53%)8462(Top 672%)
35K21.75 mi0.75 mi14946+19110197+9310197+9310140(Top 36%)7450(Top 46%)7450(Top 592%)
23M23.00 mi1.25 mi14602+34410011+18610011+1869851(Top 35%)7169(Top 45%)7169(Top 569%)
24M24.00 mi1.00 mi14387+2159899+1129899+1129928(Top 35%)7137(Top 44%)7137(Top 567%)
40K24.85 mi0.85 mi14222+1659781+1189781+11810553(Top 37%)7338(Top 46%)7338(Top 583%)
25.2M25.20 mi0.35 mi14194+289763+189763+1813314(Top 47%)8620(Top 54%)8620(Top 685%)
Finish26.22 mi1.02 mi14176+189729+349729+3414531(Top 51%)9272(Top 58%)9272(Top 736%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16410

Males

10974

M60-64

10974

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17639

Males

11502

M60-64

11502

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16410

Males

10974

M60-64

10974

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15477

Males

10529

M60-64

10529

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15346

Males

10483

M60-64

10483

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14167

Males

9836

M60-64

9836

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

13235

Males

9242

M60-64

9242

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11836

Males

8450

M60-64

8450

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12186

Males

8462

M60-64

8462

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10140

Males

7450

M60-64

7450

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9851

Males

7169

M60-64

7169

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9928

Males

7137

M60-64

7137

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10553

Males

7338

M60-64

7338

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13314

Males

8620

M60-64

8620

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

14531

Males

9272

M60-64

9272

Passing Analysis

Category:
Athletes Passed
4326
Passed By
362
Net Change
+3964
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18140
5K → 10K438170+268#18140#17872
10K → 15K54536+509#17872#17363
15K → 20K51714+503#17363#16860
20K → Half949+85#16860#16775
Half → 25K4365+431#16775#16344
25K → 30K61717+600#16344#15744
30K → 20M3491+348#15744#15396
20M → 21M27112+259#15396#15137
21M → 35K1954+191#15137#14946
35K → 23M3484+344#14946#14602
23M → 24M2183+215#14602#14387
24M → 40K1738+165#14387#14222
40K → 25.2M4618+28#14222#14194
25.2M → Finish7961+18#14194#14176
TOTALS4326362+3964
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing