Boston Marathon logo
BOSTON MARATHON 2025

Bryan Petersen

Bib: 4715•M

IA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 47%
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
24:29
Rank: #15502
Start → 5K
24:29 | 7:53/mi
10K· 6.21 mi
49:06
Rank: #15680 (-178)
5K → 10K
24:37 | 7:55/mi
15K· 9.32 mi
1:13:56
Rank: #15771 (-91)
10K → 15K
24:50 | 8:00/mi
20K· 12.43 mi
1:38:56
Rank: #15638 (+133)
15K → 20K
25:00 | 8:03/mi
Half· 13.11 mi
1:44:08
Rank: #15474 (+164)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
2:02:42
Rank: #14702 (+772)
Half → 25K
18:34 | 7:39/mi
30K· 18.64 mi
2:28:16
Rank: #14313 (+389)
25K → 30K
25:34 | 8:14/mi
20M
2:39:38
Rank: #14163 (+150)
30K → 20M
11:22 | 8:22/mi
21M
2:48:35
Rank: #14071 (+92)
20M → 21M
8:57 | 8:57/mi
35K· 21.75 mi
2:54:42
Rank: #14040 (+31)
21M → 35K
6:07 | 8:11/mi
23M
3:05:17
Rank: #13970 (+70)
35K → 23M
10:35 | 8:27/mi
24M
3:13:30
Rank: #13904 (+66)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:20:48
Rank: #13883 (+21)
24M → 40K
7:18 | 8:32/mi
25.2M
3:23:44
Rank: #13766 (+117)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:30:51
Rank: #13433 (+333)
25.2M → Finish
7:07 | 6:59/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
Time1:44:08
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:46:43
Pace8:08 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:5524:297:5324:29
7:53
-
10K
6.21 mi10:54:3249:067:5424:37
7:55
+0:02
15K
9.32 mi11:19:221:13:567:5624:50
8:00
+0:05
20K
12.43 mi11:44:221:38:567:5825:00
8:03
+0:03
Half
13.11 mi11:49:341:44:087:575:12
7:37
-0:26
25K
15.53 mi12:08:082:02:427:5418:34
7:39
+0:02
30K
18.64 mi12:33:422:28:167:5725:34
8:14
+0:35
20M
20.00 mi12:45:042:39:387:5911:22
8:22
+0:08
21M
21.00 mi12:54:012:48:358:028:57
8:57
+0:35
35K
21.75 mi13:00:082:54:428:026:07
8:11
-0:46
23M
23.00 mi13:10:433:05:178:0310:35
8:27
+0:16
24M
24.00 mi13:18:563:13:308:048:13
8:13
-0:14
40K
24.85 mi13:26:143:20:488:057:18
8:32
+0:19
25.2M
25.20 mi13:29:103:23:448:052:56
8:30
-0:02
Finish
26.22 mi13:36:173:30:518:037:07
6:59
-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

6:59 /mi

Average Pace

8:03 /mi

Slowest Pace

8:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:59

38% of race

Time at Steady Pace

1:41:06

48% of race

Time at Slower Pace

29:46

14% of race

Average Pace: 8:02 /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 mi10:29:5524:297:5324:29
7:53
#15502
10K
6.21 mi10:54:3249:067:5424:37
7:55
#15680
15K
9.32 mi11:19:221:13:567:5624:50
8:00
#15771
20K
12.43 mi11:44:221:38:567:5825:00
8:03
#15638
Half
13.11 mi11:49:341:44:087:575:12
7:37
#15474
25K
15.53 mi12:08:082:02:427:5418:34
7:39
#14702
30K
18.64 mi12:33:422:28:167:5725:34
8:14
#14313
20M
20.00 mi12:45:042:39:387:5911:22
8:22
#14163
21M
21.00 mi12:54:012:48:358:028:57
8:57
#14071
35K
21.75 mi13:00:082:54:428:026:07
8:11
#14040
23M
23.00 mi13:10:433:05:178:0310:35
8:27
#13970
24M
24.00 mi13:18:563:13:308:048:13
8:13
#13904
40K
24.85 mi13:26:143:20:488:057:18
8:32
#13883
25.2M
25.20 mi13:29:103:23:448:052:56
8:30
#13766
Finish
26.22 mi13:36:173:30:518:037:07
6:59
#13433
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi15502106221062215985(Top 56%)10799(Top 67%)10799(Top 191%)
10K6.21 mi3.10 mi15680-17810690-6810690-6815829(Top 56%)10753(Top 67%)10753(Top 191%)
15K9.32 mi3.11 mi15771-9110725-3510725-3515985(Top 56%)10799(Top 67%)10799(Top 191%)
20K12.43 mi3.11 mi15638+13310639+8610639+8615240(Top 54%)10420(Top 65%)10420(Top 185%)
Half13.11 mi0.68 mi15474+16410581+5810581+5812723(Top 45%)9346(Top 58%)9346(Top 166%)
25K15.53 mi2.42 mi14702+77210210+37110210+37111209(Top 39%)8492(Top 53%)8492(Top 151%)
30K18.64 mi3.11 mi14313+3899983+2279983+22713023(Top 46%)9155(Top 57%)9155(Top 162%)
20M20.00 mi1.36 mi14163+1509898+859898+8512915(Top 45%)8958(Top 56%)8958(Top 159%)
21M21.00 mi1.00 mi14071+929827+719827+7113189(Top 46%)8945(Top 56%)8945(Top 159%)
35K21.75 mi0.75 mi14040+319792+359792+3513426(Top 47%)9002(Top 56%)9002(Top 160%)
23M23.00 mi1.25 mi13970+709725+679725+6712995(Top 46%)8692(Top 54%)8692(Top 154%)
24M24.00 mi1.00 mi13904+669660+659660+6512669(Top 45%)8495(Top 53%)8495(Top 151%)
40K24.85 mi0.85 mi13883+219610+509610+5013652(Top 48%)8833(Top 55%)8833(Top 157%)
25.2M25.20 mi0.35 mi13766+1179551+599551+598818(Top 31%)6377(Top 40%)6377(Top 113%)
Finish26.22 mi1.02 mi13433+3339395+1569395+1565642(Top 20%)4513(Top 28%)4513(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

15985

Males

10799

M18-39

10799

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

15829

Males

10753

M18-39

10753

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

15985

Males

10799

M18-39

10799

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

15240

Males

10420

M18-39

10420

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12723

Males

9346

M18-39

9346

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

11209

Males

8492

M18-39

8492

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

13023

Males

9155

M18-39

9155

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12915

Males

8958

M18-39

8958

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13189

Males

8945

M18-39

8945

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13426

Males

9002

M18-39

9002

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12995

Males

8692

M18-39

8692

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12669

Males

8495

M18-39

8495

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13652

Males

8833

M18-39

8833

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8818

Males

6377

M18-39

6377

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5642

Males

4513

M18-39

4513

Passing Analysis

Category:
Athletes Passed
3320
Passed By
1251
Net Change
+2069
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15502
5K → 10K243421-178#15502#15680
10K → 15K183274-91#15680#15771
15K → 20K271138+133#15771#15638
20K → Half1651+164#15638#15474
Half → 25K7720+772#15474#14702
25K → 30K46172+389#14702#14313
30K → 20M18636+150#14313#14163
20M → 21M16068+92#14163#14071
21M → 35K7645+31#14071#14040
35K → 23M14878+70#14040#13970
23M → 24M11246+66#13970#13904
24M → 40K9271+21#13904#13883
40K → 25.2M1170+117#13883#13766
25.2M → Finish3341+333#13766#13433
TOTALS33201251+2069
📊

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