Boston Marathon logo
BOSTON MARATHON 2025

Dylan Mcdonald

Bib: 30723•M

CA

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
31:30
Rank: #25925
Start → 5K
31:30 | 10:08/mi
10K· 6.21 mi
1:03:17
Rank: #25884 (+41)
5K → 10K
31:47 | 10:14/mi
15K· 9.32 mi
1:33:47
Rank: #25444 (+440)
10K → 15K
30:30 | 9:49/mi
20K· 12.43 mi
2:04:27
Rank: #25051 (+393)
15K → 20K
30:40 | 9:52/mi
Half· 13.11 mi
2:10:49
Rank: #24943 (+108)
20K → Half
6:22 | 9:20/mi
25K· 15.53 mi
2:36:01
Rank: #24806 (+137)
Half → 25K
25:12 | 10:24/mi
30K· 18.64 mi
3:08:31
Rank: #24483 (+323)
25K → 30K
32:30 | 10:28/mi
20M
3:22:39
Rank: #24327 (+156)
30K → 20M
14:08 | 10:24/mi
21M
3:34:04
Rank: #24210 (+117)
20M → 21M
11:25 | 11:25/mi
35K· 21.75 mi
3:41:25
Rank: #24120 (+90)
21M → 35K
7:21 | 9:49/mi
23M
3:54:28
Rank: #23981 (+139)
35K → 23M
13:03 | 10:25/mi
24M
4:04:35
Rank: #23890 (+91)
23M → 24M
10:07 | 10:07/mi
40K· 24.85 mi
4:13:30
Rank: #23803 (+87)
24M → 40K
8:55 | 10:26/mi
25.2M
4:17:16
Rank: #23758 (+45)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
4:26:03
Rank: #23601 (+157)
25.2M → Finish
8:47 | 8:37/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
Time2:10:49
Pace9:59 /mi
2nd Half
Distance13.11 mi
Time2:15:14
Pace10:19 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0131:3010:0831:30
10:08
-
10K
6.21 mi12:25:481:03:1710:1131:47
10:14
+0:06
15K
9.32 mi12:56:181:33:4710:0430:30
9:49
-0:25
20K
12.43 mi13:26:582:04:2710:0130:40
9:52
+0:03
Half
13.11 mi13:33:202:10:499:596:22
9:20
-0:32
25K
15.53 mi13:58:322:36:0110:0325:12
10:24
+1:04
30K
18.64 mi14:31:023:08:3110:0732:30
10:28
+0:04
20M
20.00 mi14:45:103:22:3910:0814:08
10:24
-0:04
21M
21.00 mi14:56:353:34:0410:1211:25
11:25
+1:01
35K
21.75 mi15:03:563:41:2510:117:21
9:49
-1:36
23M
23.00 mi15:16:593:54:2810:1213:03
10:25
+0:36
24M
24.00 mi15:27:064:04:3510:1110:07
10:07
-0:18
40K
24.85 mi15:36:014:13:3010:128:55
10:26
+0:19
25.2M
25.20 mi15:39:474:17:1610:133:46
10:55
+0:29
Finish
26.22 mi15:48:344:26:0310:098:47
8:37
-2:18

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

8:37 /mi

Average Pace

10:09 /mi

Slowest Pace

11:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:40

31% of race

Time at Steady Pace

2:47:12

63% of race

Time at Slower Pace

15:11

6% of race

Average Pace: 10:09 /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 mi11:54:0131:3010:0831:30
10:08
#25925
10K
6.21 mi12:25:481:03:1710:1131:47
10:14
#25884
15K
9.32 mi12:56:181:33:4710:0430:30
9:49
#25444
20K
12.43 mi13:26:582:04:2710:0130:40
9:52
#25051
Half
13.11 mi13:33:202:10:499:596:22
9:20
#24943
25K
15.53 mi13:58:322:36:0110:0325:12
10:24
#24806
30K
18.64 mi14:31:023:08:3110:0732:30
10:28
#24483
20M
20.00 mi14:45:103:22:3910:0814:08
10:24
#24327
21M
21.00 mi14:56:353:34:0410:1211:25
11:25
#24210
35K
21.75 mi15:03:563:41:2510:117:21
9:49
#24120
23M
23.00 mi15:16:593:54:2810:1213:03
10:25
#23981
24M
24.00 mi15:27:064:04:3510:1110:07
10:07
#23890
40K
24.85 mi15:36:014:13:3010:128:55
10:26
#23803
25.2M
25.20 mi15:39:474:17:1610:133:46
10:55
#23758
Finish
26.22 mi15:48:344:26:0310:098:47
8:37
#23601
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25925151381513824583(Top 87%)14520(Top 90%)14520(Top 257%)
10K6.21 mi3.10 mi25884+4115114+2415114+2425790(Top 91%)15044(Top 93%)15044(Top 267%)
15K9.32 mi3.11 mi25444+44014914+20014914+20024583(Top 87%)14520(Top 90%)14520(Top 257%)
20K12.43 mi3.11 mi25051+39314728+18614728+18623945(Top 84%)14209(Top 88%)14209(Top 252%)
Half13.11 mi0.68 mi24943+10814670+5814670+5823054(Top 81%)13817(Top 86%)13817(Top 245%)
25K15.53 mi2.42 mi24806+13714593+7714593+7724161(Top 85%)14265(Top 89%)14265(Top 253%)
30K18.64 mi3.11 mi24483+32314428+16514428+16522847(Top 80%)13551(Top 84%)13551(Top 240%)
20M20.00 mi1.36 mi24327+15614338+9014338+9022154(Top 78%)13114(Top 81%)13114(Top 232%)
21M21.00 mi1.00 mi24210+11714269+6914269+6922431(Top 79%)13170(Top 82%)13170(Top 233%)
35K21.75 mi0.75 mi24120+9014226+4314226+4321396(Top 75%)12629(Top 78%)12629(Top 224%)
23M23.00 mi1.25 mi23981+13914129+9714129+9721805(Top 77%)12786(Top 79%)12786(Top 227%)
24M24.00 mi1.00 mi23890+9114078+5114078+5121687(Top 76%)12676(Top 79%)12676(Top 225%)
40K24.85 mi0.85 mi23803+8714020+5814020+5821720(Top 76%)12618(Top 78%)12618(Top 224%)
25.2M25.20 mi0.35 mi23758+4513997+2313997+2320391(Top 72%)11991(Top 74%)11991(Top 213%)
Finish26.22 mi1.02 mi23601+15713897+10013897+10016963(Top 60%)10387(Top 64%)10387(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

24583

Males

14520

M18-39

14520

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25790

Males

15044

M18-39

15044

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

24583

Males

14520

M18-39

14520

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

23945

Males

14209

M18-39

14209

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

23054

Males

13817

M18-39

13817

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24161

Males

14265

M18-39

14265

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

22847

Males

13551

M18-39

13551

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22154

Males

13114

M18-39

13114

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

22431

Males

13170

M18-39

13170

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21396

Males

12629

M18-39

12629

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

21805

Males

12786

M18-39

12786

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21687

Males

12676

M18-39

12676

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21720

Males

12618

M18-39

12618

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20391

Males

11991

M18-39

11991

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

16963

Males

10387

M18-39

10387

Passing Analysis

Category:
Athletes Passed
2613
Passed By
289
Net Change
+2324
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25925
5K → 10K208167+41#25925#25884
10K → 15K4477+440#25884#25444
15K → 20K4007+393#25444#25051
20K → Half1080+108#25051#24943
Half → 25K17740+137#24943#24806
25K → 30K33411+323#24806#24483
30K → 20M1626+156#24483#24327
20M → 21M13619+117#24327#24210
21M → 35K933+90#24210#24120
35K → 23M1489+139#24120#23981
23M → 24M1009+91#23981#23890
24M → 40K958+87#23890#23803
40K → 25.2M472+45#23803#23758
25.2M → Finish1581+157#23758#23601
TOTALS2613289+2324
📊

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