Boston Marathon logo
BOSTON MARATHON 2025

Jonathan Campbell

Bib: 27798•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
21:03
Rank: #6129
Start → 5K
21:03 | 6:47/mi
10K· 6.21 mi
42:07
Rank: #6088 (+41)
5K → 10K
21:04 | 6:47/mi
15K· 9.32 mi
1:03:23
Rank: #6219 (-131)
10K → 15K
21:16 | 6:51/mi
20K· 12.43 mi
1:26:01
Rank: #7001 (-782)
15K → 20K
22:38 | 7:17/mi
Half· 13.11 mi
1:31:11
Rank: #7211 (-210)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:50:28
Rank: #8001 (-790)
Half → 25K
19:17 | 7:57/mi
30K· 18.64 mi
2:16:34
Rank: #9071 (-1070)
25K → 30K
26:06 | 8:24/mi
20M
2:28:21
Rank: #9532 (-461)
30K → 20M
11:47 | 8:40/mi
21M
2:37:42
Rank: #9879 (-347)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
2:44:32
Rank: #10329 (-450)
21M → 35K
6:50 | 9:08/mi
23M
2:56:11
Rank: #10814 (-485)
35K → 23M
11:39 | 9:18/mi
24M
3:05:21
Rank: #11184 (-370)
23M → 24M
9:10 | 9:10/mi
40K· 24.85 mi
3:13:21
Rank: #11511 (-327)
24M → 40K
8:00 | 9:21/mi
25.2M
3:16:54
Rank: #11660 (-149)
40K → 25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
3:25:30
Rank: #11835 (-175)
25.2M → Finish
8:36 | 8:26/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
Time1:31:11
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:54:19
Pace8:43 /mi
📊Positive Split: 25.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:1021:036:4721:03
6:47
-
10K
6.21 mi11:59:1442:076:4721:04
6:47
0:00
15K
9.32 mi12:20:301:03:236:4821:16
6:51
+0:04
20K
12.43 mi12:43:081:26:016:5522:38
7:17
+0:26
Half
13.11 mi12:48:181:31:116:575:10
7:34
+0:17
25K
15.53 mi13:07:351:50:287:0719:17
7:57
+0:23
30K
18.64 mi13:33:412:16:347:2026:06
8:24
+0:27
20M
20.00 mi13:45:282:28:217:2511:47
8:40
+0:16
21M
21.00 mi13:54:492:37:427:319:21
9:21
+0:41
35K
21.75 mi14:01:392:44:327:346:50
9:08
-0:13
23M
23.00 mi14:13:182:56:117:4011:39
9:18
+0:10
24M
24.00 mi14:22:283:05:217:439:10
9:10
-0:08
40K
24.85 mi14:30:283:13:217:478:00
9:21
+0:11
25.2M
25.20 mi14:34:013:16:547:493:33
10:18
+0:57
Finish
26.22 mi14:42:373:25:307:518:36
8:26
-1:52

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

6:47 /mi

Average Pace

7:51 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:11

44% of race

Time at Steady Pace

1:05:46

32% of race

Time at Slower Pace

48:33

24% 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 mi11:38:1021:036:4721:03
6:47
#6129
10K
6.21 mi11:59:1442:076:4721:04
6:47
#6088
15K
9.32 mi12:20:301:03:236:4821:16
6:51
#6219
20K
12.43 mi12:43:081:26:016:5522:38
7:17
#7001
Half
13.11 mi12:48:181:31:116:575:10
7:34
#7211
25K
15.53 mi13:07:351:50:287:0719:17
7:57
#8001
30K
18.64 mi13:33:412:16:347:2026:06
8:24
#9071
20M
20.00 mi13:45:282:28:217:2511:47
8:40
#9532
21M
21.00 mi13:54:492:37:427:319:21
9:21
#9879
35K
21.75 mi14:01:392:44:327:346:50
9:08
#10329
23M
23.00 mi14:13:182:56:117:4011:39
9:18
#10814
24M
24.00 mi14:22:283:05:217:439:10
9:10
#11184
40K
24.85 mi14:30:283:13:217:478:00
9:21
#11511
25.2M
25.20 mi14:34:013:16:547:493:33
10:18
#11660
Finish
26.22 mi14:42:373:25:307:518:36
8:26
#11835
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6129562356236539(Top 23%)5901(Top 37%)5901(Top 105%)
10K6.21 mi3.10 mi6088+415585+385585+386196(Top 22%)5648(Top 35%)5648(Top 100%)
15K9.32 mi3.11 mi6219-1315689-1045689-1046539(Top 23%)5901(Top 37%)5901(Top 105%)
20K12.43 mi3.11 mi7001-7826276-5876276-5878928(Top 31%)7410(Top 46%)7410(Top 131%)
Half13.11 mi0.68 mi7211-2106424-1486424-14812282(Top 43%)9137(Top 57%)9137(Top 162%)
25K15.53 mi2.42 mi8001-7906929-5056929-50513517(Top 48%)9523(Top 59%)9523(Top 169%)
30K18.64 mi3.11 mi9071-10707507-5787507-57814134(Top 50%)9642(Top 60%)9642(Top 171%)
20M20.00 mi1.36 mi9532-4617719-2127719-21214850(Top 52%)9838(Top 61%)9838(Top 174%)
21M21.00 mi1.00 mi9879-3477885-1667885-16615368(Top 54%)9940(Top 62%)9940(Top 176%)
35K21.75 mi0.75 mi10329-4508074-1898074-18918838(Top 66%)11407(Top 71%)11407(Top 202%)
23M23.00 mi1.25 mi10814-4858275-2018275-20117767(Top 63%)10845(Top 67%)10845(Top 192%)
24M24.00 mi1.00 mi11184-3708406-1318406-13118153(Top 64%)10985(Top 68%)10985(Top 195%)
40K24.85 mi0.85 mi11511-3278526-1208526-12018070(Top 64%)10859(Top 67%)10859(Top 192%)
25.2M25.20 mi0.35 mi11660-1498589-638589-6318201(Top 64%)10894(Top 68%)10894(Top 193%)
Finish26.22 mi1.02 mi11835-1758634-458634-4515799(Top 56%)9835(Top 61%)9835(Top 174%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6539

Males

5901

M18-39

5901

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6196

Males

5648

M18-39

5648

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6539

Males

5901

M18-39

5901

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8928

Males

7410

M18-39

7410

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12282

Males

9137

M18-39

9137

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

13517

Males

9523

M18-39

9523

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

14134

Males

9642

M18-39

9642

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

14850

Males

9838

M18-39

9838

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15368

Males

9940

M18-39

9940

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18838

Males

11407

M18-39

11407

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

17767

Males

10845

M18-39

10845

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18153

Males

10985

M18-39

10985

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18070

Males

10859

M18-39

10859

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18201

Males

10894

M18-39

10894

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

15799

Males

9835

M18-39

9835

Passing Analysis

Category:
Athletes Passed
564
Passed By
6268
Net Change
-5706
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6129
5K → 10K196155+41#6129#6088
10K → 15K101232-131#6088#6219
15K → 20K18800-782#6219#7001
20K → Half1211-210#7001#7211
Half → 25K17807-790#7211#8001
25K → 30K501120-1070#8001#9071
30K → 20M28489-461#9071#9532
20M → 21M26373-347#9532#9879
21M → 35K10458-450#9879#10329
35K → 23M28513-485#10329#10814
23M → 24M27397-370#10814#11184
24M → 40K16343-327#11184#11511
40K → 25.2M6155-149#11511#11660
25.2M → Finish40215-175#11660#11835
TOTALS5646268-5706
📊

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