Boston Marathon logo
BOSTON MARATHON 2025

Jackson Petrella

Bib: 28410•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 42%
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
23:30
Rank: #12768
Start → 5K
23:30 | 7:34/mi
10K· 6.21 mi
47:44
Rank: #13763 (-995)
5K → 10K
24:14 | 7:48/mi
15K· 9.32 mi
1:11:48
Rank: #13764 (-1)
10K → 15K
24:04 | 7:45/mi
20K· 12.43 mi
1:35:24
Rank: #13158 (+606)
15K → 20K
23:36 | 7:36/mi
Half· 13.11 mi
1:40:23
Rank: #12972 (+186)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:58:10
Rank: #12247 (+725)
Half → 25K
17:47 | 7:20/mi
30K· 18.64 mi
2:22:35
Rank: #11800 (+447)
25K → 30K
24:25 | 7:52/mi
20M
2:33:30
Rank: #11678 (+122)
30K → 20M
10:55 | 8:02/mi
21M
2:41:52
Rank: #11546 (+132)
20M → 21M
8:22 | 8:22/mi
35K· 21.75 mi
2:47:47
Rank: #11534 (+12)
21M → 35K
5:55 | 7:55/mi
23M
2:58:11
Rank: #11526 (+8)
35K → 23M
10:24 | 8:18/mi
24M
3:06:19
Rank: #11535 (-9)
23M → 24M
8:08 | 8:08/mi
40K· 24.85 mi
3:13:42
Rank: #11629 (-94)
24M → 40K
7:23 | 8:38/mi
25.2M
3:17:04
Rank: #11722 (-93)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:25:28
Rank: #11819 (-97)
25.2M → Finish
8:24 | 8:15/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
Time1:40:23
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:45:05
Pace8:01 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:0523:307:3423:30
7:34
-
10K
6.21 mi12:03:1947:447:4124:14
7:48
+0:14
15K
9.32 mi12:27:231:11:487:4224:04
7:45
-0:03
20K
12.43 mi12:50:591:35:247:4123:36
7:36
-0:09
Half
13.11 mi12:55:581:40:237:394:59
7:18
-0:18
25K
15.53 mi13:13:451:58:107:3617:47
7:20
+0:02
30K
18.64 mi13:38:102:22:357:3924:25
7:52
+0:32
20M
20.00 mi13:49:052:33:307:4010:55
8:02
+0:10
21M
21.00 mi13:57:272:41:527:428:22
8:22
+0:20
35K
21.75 mi14:03:222:47:477:435:55
7:55
-0:27
23M
23.00 mi14:13:462:58:117:4510:24
8:18
+0:23
24M
24.00 mi14:21:543:06:197:468:08
8:08
-0:10
40K
24.85 mi14:29:173:13:427:487:23
8:38
+0:30
25.2M
25.20 mi14:32:393:17:047:493:22
9:46
+1:08
Finish
26.22 mi14:41:033:25:287:518:24
8:15
-1:31

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

7:18 /mi

Average Pace

7:51 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:52

34% of race

Time at Steady Pace

1:37:41

48% of race

Time at Slower Pace

37:55

18% of race

Average Pace: 7:50 /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 mi11:39:0523:307:3423:30
7:34
#12768
10K
6.21 mi12:03:1947:447:4124:14
7:48
#13763
15K
9.32 mi12:27:231:11:487:4224:04
7:45
#13764
20K
12.43 mi12:50:591:35:247:4123:36
7:36
#13158
Half
13.11 mi12:55:581:40:237:394:59
7:18
#12972
25K
15.53 mi13:13:451:58:107:3617:47
7:20
#12247
30K
18.64 mi13:38:102:22:357:3924:25
7:52
#11800
20M
20.00 mi13:49:052:33:307:4010:55
8:02
#11678
21M
21.00 mi13:57:272:41:527:428:22
8:22
#11546
35K
21.75 mi14:03:222:47:477:435:55
7:55
#11534
23M
23.00 mi14:13:462:58:117:4510:24
8:18
#11526
24M
24.00 mi14:21:543:06:197:468:08
8:08
#11535
40K
24.85 mi14:29:173:13:427:487:23
8:38
#11629
25.2M
25.20 mi14:32:393:17:047:493:22
9:46
#11722
Finish
26.22 mi14:41:033:25:287:518:24
8:15
#11819
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi127689536953613887(Top 49%)9895(Top 61%)9895(Top 175%)
10K6.21 mi3.10 mi13763-9959919-3839919-38314776(Top 52%)10323(Top 64%)10323(Top 183%)
15K9.32 mi3.11 mi13764-19889+309889+3013887(Top 49%)9895(Top 61%)9895(Top 175%)
20K12.43 mi3.11 mi13158+6069592+2979592+29711556(Top 41%)8761(Top 54%)8761(Top 155%)
Half13.11 mi0.68 mi12972+1869504+889504+8810025(Top 35%)8047(Top 50%)8047(Top 143%)
25K15.53 mi2.42 mi12247+7259168+3369168+3368636(Top 30%)7136(Top 44%)7136(Top 126%)
30K18.64 mi3.11 mi11800+4478870+2988870+29810342(Top 36%)7860(Top 49%)7860(Top 139%)
20M20.00 mi1.36 mi11678+1228784+868784+8610658(Top 38%)7866(Top 49%)7866(Top 139%)
21M21.00 mi1.00 mi11546+1328681+1038681+1039637(Top 34%)7180(Top 45%)7180(Top 127%)
35K21.75 mi0.75 mi11534+128649+328649+3211598(Top 41%)8133(Top 50%)8133(Top 144%)
23M23.00 mi1.25 mi11526+88605+448605+4412060(Top 42%)8260(Top 51%)8260(Top 146%)
24M24.00 mi1.00 mi11535-98571+348571+3412117(Top 43%)8223(Top 51%)8223(Top 146%)
40K24.85 mi0.85 mi11629-948588-178588-1714237(Top 50%)9102(Top 57%)9102(Top 161%)
25.2M25.20 mi0.35 mi11722-938621-338621-3315841(Top 56%)9778(Top 61%)9778(Top 173%)
Finish26.22 mi1.02 mi11819-978624-38624-314521(Top 51%)9262(Top 58%)9262(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13887

Males

9895

M18-39

9895

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

14776

Males

10323

M18-39

10323

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13887

Males

9895

M18-39

9895

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11556

Males

8761

M18-39

8761

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

10025

Males

8047

M18-39

8047

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8636

Males

7136

M18-39

7136

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

10342

Males

7860

M18-39

7860

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10658

Males

7866

M18-39

7866

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9637

Males

7180

M18-39

7180

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11598

Males

8133

M18-39

8133

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

12060

Males

8260

M18-39

8260

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

12117

Males

8223

M18-39

8223

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14237

Males

9102

M18-39

9102

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15841

Males

9778

M18-39

9778

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14521

Males

9262

M18-39

9262

Passing Analysis

Category:
Athletes Passed
2992
Passed By
2043
Net Change
+949
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12768
5K → 10K491044-995#12768#13763
10K → 15K204205-1#13763#13764
15K → 20K6148+606#13764#13158
20K → Half1860+186#13158#12972
Half → 25K7272+725#12972#12247
25K → 30K49245+447#12247#11800
30K → 20M16947+122#11800#11678
20M → 21M17139+132#11678#11546
21M → 35K6250+12#11546#11534
35K → 23M110102+8#11534#11526
23M → 24M9099-9#11526#11535
24M → 40K53147-94#11535#11629
40K → 25.2M9102-93#11629#11722
25.2M → Finish56153-97#11722#11819
TOTALS29922043+949
📊

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