Boston Marathon logo
BOSTON MARATHON 2025

David Parkinson

Bib: 7614•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 31%
Gender (Male)
#0 / 16105
Top 44%
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
22:57
Rank: #11170
Start → 5K
22:57 | 7:23/mi
10K· 6.21 mi
46:28
Rank: #11930 (-760)
5K → 10K
23:31 | 7:34/mi
15K· 9.32 mi
1:10:38
Rank: #12667 (-737)
10K → 15K
24:10 | 7:47/mi
20K· 12.43 mi
1:34:11
Rank: #12304 (+363)
15K → 20K
23:33 | 7:35/mi
Half· 13.11 mi
1:39:15
Rank: #12249 (+55)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:57:42
Rank: #11970 (+279)
Half → 25K
18:27 | 7:37/mi
30K· 18.64 mi
2:20:57
Rank: #11119 (+851)
25K → 30K
23:15 | 7:29/mi
20M
2:30:59
Rank: #10680 (+439)
30K → 20M
10:02 | 7:23/mi
21M
2:38:45
Rank: #10320 (+360)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:44:03
Rank: #10114 (+206)
21M → 35K
5:18 | 7:05/mi
23M
2:53:17
Rank: #9783 (+331)
35K → 23M
9:14 | 7:22/mi
24M
3:00:18
Rank: #9470 (+313)
23M → 24M
7:01 | 7:01/mi
40K· 24.85 mi
3:06:22
Rank: #9215 (+255)
24M → 40K
6:04 | 7:06/mi
25.2M
3:09:02
Rank: #9108 (+107)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:15:51
Rank: #8821 (+287)
25.2M → Finish
6:49 | 6:41/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 Half
Distance13.11 mi
Time1:39:15
Pace7:34 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:36:36
Pace7:22 /mi
📊Negative Split: 2.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:3222:577:2322:57
7:23
-
10K
6.21 mi10:54:0346:287:2923:31
7:34
+0:11
15K
9.32 mi11:18:131:10:387:3524:10
7:47
+0:13
20K
12.43 mi11:41:461:34:117:3523:33
7:35
-0:12
Half
13.11 mi11:46:501:39:157:345:04
7:26
-0:09
25K
15.53 mi12:05:171:57:427:3518:27
7:37
+0:11
30K
18.64 mi12:28:322:20:577:3423:15
7:29
-0:08
20M
20.00 mi12:38:342:30:597:3310:02
7:23
-0:06
21M
21.00 mi12:46:202:38:457:347:46
7:46
+0:23
35K
21.75 mi12:51:382:44:037:335:18
7:05
-0:41
23M
23.00 mi13:00:522:53:177:329:14
7:22
+0:17
24M
24.00 mi13:07:533:00:187:317:01
7:01
-0:21
40K
24.85 mi13:13:573:06:227:306:04
7:06
+0:05
25.2M
25.20 mi13:16:373:09:027:302:40
7:44
+0:38
Finish
26.22 mi13:23:263:15:517:296:49
6:41
-1:03

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

6:41 /mi

Average Pace

7:29 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:12

13% of race

Time at Steady Pace

2:50:39

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:28 /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 mi10:30:3222:577:2322:57
7:23
#11170
10K
6.21 mi10:54:0346:287:2923:31
7:34
#11930
15K
9.32 mi11:18:131:10:387:3524:10
7:47
#12667
20K
12.43 mi11:41:461:34:117:3523:33
7:35
#12304
Half
13.11 mi11:46:501:39:157:345:04
7:26
#12249
25K
15.53 mi12:05:171:57:427:3518:27
7:37
#11970
30K
18.64 mi12:28:322:20:577:3423:15
7:29
#11119
20M
20.00 mi12:38:342:30:597:3310:02
7:23
#10680
21M
21.00 mi12:46:202:38:457:347:46
7:46
#10320
35K
21.75 mi12:51:382:44:037:335:18
7:05
#10114
23M
23.00 mi13:00:522:53:177:329:14
7:22
#9783
24M
24.00 mi13:07:533:00:187:317:01
7:01
#9470
40K
24.85 mi13:13:573:06:227:306:04
7:06
#9215
25.2M
25.20 mi13:16:373:09:027:302:40
7:44
#9108
Finish
26.22 mi13:23:263:15:517:296:49
6:41
#8821
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi111708777877714162(Top 50%)10000(Top 62%)10000(Top 177%)
10K6.21 mi3.10 mi11930-7609124-3479124-34712721(Top 45%)9468(Top 59%)9468(Top 168%)
15K9.32 mi3.11 mi12667-7379441-3179441-31714162(Top 50%)10000(Top 62%)10000(Top 177%)
20K12.43 mi3.11 mi12304+3639235+2069235+20611414(Top 40%)8688(Top 54%)8688(Top 154%)
Half13.11 mi0.68 mi12249+559201+349201+3411020(Top 39%)8536(Top 53%)8536(Top 151%)
25K15.53 mi2.42 mi11970+2799033+1689033+16810816(Top 38%)8290(Top 51%)8290(Top 147%)
30K18.64 mi3.11 mi11119+8518563+4708563+4707636(Top 27%)6372(Top 40%)6372(Top 113%)
20M20.00 mi1.36 mi10680+4398307+2568307+2566301(Top 22%)5406(Top 34%)5406(Top 96%)
21M21.00 mi1.00 mi10320+3608090+2178090+2176004(Top 21%)5075(Top 32%)5075(Top 90%)
35K21.75 mi0.75 mi10114+2067963+1277963+1275916(Top 21%)5015(Top 31%)5015(Top 89%)
23M23.00 mi1.25 mi9783+3317759+2047759+2045897(Top 21%)4911(Top 30%)4911(Top 87%)
24M24.00 mi1.00 mi9470+3137559+2007559+2004742(Top 17%)4082(Top 25%)4082(Top 72%)
40K24.85 mi0.85 mi9215+2557389+1707389+1704467(Top 16%)3835(Top 24%)3835(Top 68%)
25.2M25.20 mi0.35 mi9108+1077315+747315+744548(Top 16%)3826(Top 24%)3826(Top 68%)
Finish26.22 mi1.02 mi8821+2877107+2087107+2083829(Top 13%)3317(Top 21%)3317(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

14162

Males

10000

M18-39

10000

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12721

Males

9468

M18-39

9468

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

14162

Males

10000

M18-39

10000

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11414

Males

8688

M18-39

8688

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11020

Males

8536

M18-39

8536

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10816

Males

8290

M18-39

8290

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7636

Males

6372

M18-39

6372

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6301

Males

5406

M18-39

5406

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

6004

Males

5075

M18-39

5075

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5916

Males

5015

M18-39

5015

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5897

Males

4911

M18-39

4911

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4742

Males

4082

M18-39

4082

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4467

Males

3835

M18-39

3835

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4548

Males

3826

M18-39

3826

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3829

Males

3317

M18-39

3317

Passing Analysis

Category:
Athletes Passed
4038*
Passed By
1689
Net Change
+2349
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11170
5K → 10K56816-760#11170#11930
10K → 15K42779-737#11930#12667
15K → 20K40239+363#12667#12304
20K → Half594+55#12304#12249
Half → 25K31637+279#12249#11970
25K → 30K8532+851#11970#11119
30K → 20M4401+439#11119#10680
20M → 21M3600+360#10680#10320
21M → 35K2071+206#10320#10114
35K → 23M335*4+331#10114#9783
23M → 24M3130+313#9783#9470
24M → 40K2594+255#9470#9215
40K → 25.2M1081+107#9215#9108
25.2M → Finish2881+287#9108#8821
TOTALS4038*1689+2349

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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