Boston Marathon logo
BOSTON MARATHON 2025

Brett Peters

Bib: 4330•M

TX

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 31%
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
20:05
Rank: #3582
Start → 5K
20:05 | 6:28/mi
10K· 6.21 mi
40:09
Rank: #3497 (+85)
5K → 10K
20:04 | 6:28/mi
15K· 9.32 mi
59:47
Rank: #3107 (+390)
10K → 15K
19:38 | 6:19/mi
20K· 12.43 mi
1:19:13
Rank: #2705 (+402)
15K → 20K
19:26 | 6:15/mi
Half· 13.11 mi
1:23:25
Rank: #2635 (+70)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:39:05
Rank: #2620 (+15)
Half → 25K
15:40 | 6:28/mi
30K· 18.64 mi
2:00:17
Rank: #2738 (-118)
25K → 30K
21:12 | 6:49/mi
20M
2:10:19
Rank: #2971 (-233)
30K → 20M
10:02 | 7:23/mi
21M
2:18:29
Rank: #3206 (-235)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:24:32
Rank: #3480 (-274)
21M → 35K
6:03 | 8:05/mi
23M
2:35:12
Rank: #4010 (-530)
35K → 23M
10:40 | 8:31/mi
24M
2:44:54
Rank: #4905 (-895)
23M → 24M
9:42 | 9:42/mi
40K· 24.85 mi
2:53:29
Rank: #5459 (-554)
24M → 40K
8:35 | 10:02/mi
25.2M
2:56:43
Rank: #5538 (-79)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:04:28
Rank: #5629 (-91)
25.2M → Finish
7:45 | 7:36/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
Time1:23:25
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:41:03
Pace7:43 /mi
📊Positive Split: 21.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0120:056:2820:05
6:28
-
10K
6.21 mi10:43:0540:096:2820:04
6:28
0:00
15K
9.32 mi11:02:4359:476:2519:38
6:19
-0:09
20K
12.43 mi11:22:091:19:136:2219:26
6:15
-0:04
Half
13.11 mi11:26:211:23:256:224:12
6:09
-0:06
25K
15.53 mi11:42:011:39:056:2315:40
6:28
+0:19
30K
18.64 mi12:03:132:00:176:2721:12
6:49
+0:21
20M
20.00 mi12:13:152:10:196:3110:02
7:23
+0:34
21M
21.00 mi12:21:252:18:296:368:10
8:10
+0:47
35K
21.75 mi12:27:282:24:326:396:03
8:05
-0:05
23M
23.00 mi12:38:082:35:126:4510:40
8:31
+0:26
24M
24.00 mi12:47:502:44:546:529:42
9:42
+1:11
40K
24.85 mi12:56:252:53:296:598:35
10:02
+0:20
25.2M
25.20 mi12:59:392:56:437:013:14
9:23
-0:39
Finish
26.22 mi13:07:243:04:287:027:45
7:36
-1:47

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

6:09 /mi

Average Pace

7:02 /mi

Slowest Pace

10:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:05

54% of race

Time at Steady Pace

38:59

21% of race

Time at Slower Pace

46:24

25% of race

Average Pace: 7:02 /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 mi10:23:0120:056:2820:05
6:28
#3582
10K
6.21 mi10:43:0540:096:2820:04
6:28
#3497
15K
9.32 mi11:02:4359:476:2519:38
6:19
#3107
20K
12.43 mi11:22:091:19:136:2219:26
6:15
#2705
Half
13.11 mi11:26:211:23:256:224:12
6:09
#2635
25K
15.53 mi11:42:011:39:056:2315:40
6:28
#2620
30K
18.64 mi12:03:132:00:176:2721:12
6:49
#2738
20M
20.00 mi12:13:152:10:196:3110:02
7:23
#2971
21M
21.00 mi12:21:252:18:296:368:10
8:10
#3206
35K
21.75 mi12:27:282:24:326:396:03
8:05
#3480
23M
23.00 mi12:38:082:35:126:4510:40
8:31
#4010
24M
24.00 mi12:47:502:44:546:529:42
9:42
#4905
40K
24.85 mi12:56:252:53:296:598:35
10:02
#5459
25.2M
25.20 mi12:59:392:56:437:013:14
9:23
#5538
Finish
26.22 mi13:07:243:04:287:027:45
7:36
#5629
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3582340334032462(Top 9%)2351(Top 15%)2351(Top 42%)
10K6.21 mi3.10 mi3497+853319+843319+843446(Top 12%)3270(Top 20%)3270(Top 58%)
15K9.32 mi3.11 mi3107+3902960+3592960+3592462(Top 9%)2351(Top 15%)2351(Top 42%)
20K12.43 mi3.11 mi2705+4022579+3812579+3811820(Top 6%)1731(Top 11%)1731(Top 31%)
Half13.11 mi0.68 mi2635+702515+642515+641813(Top 6%)1729(Top 11%)1729(Top 31%)
25K15.53 mi2.42 mi2620+152501+142501+142695(Top 9%)2563(Top 16%)2563(Top 45%)
30K18.64 mi3.11 mi2738-1182610-1092610-1093602(Top 13%)3339(Top 21%)3339(Top 59%)
20M20.00 mi1.36 mi2971-2332826-2162826-2166286(Top 22%)5391(Top 33%)5391(Top 96%)
21M21.00 mi1.00 mi3206-2353035-2093035-2098339(Top 29%)6439(Top 40%)6439(Top 114%)
35K21.75 mi0.75 mi3480-2743285-2503285-25012775(Top 45%)8688(Top 54%)8688(Top 154%)
23M23.00 mi1.25 mi4010-5303734-4493734-44913387(Top 47%)8872(Top 55%)8872(Top 157%)
24M24.00 mi1.00 mi4905-8954494-7604494-76020352(Top 72%)12027(Top 75%)12027(Top 213%)
40K24.85 mi0.85 mi5459-5544935-4414935-44120543(Top 72%)12054(Top 75%)12054(Top 214%)
25.2M25.20 mi0.35 mi5538-794989-544989-5413772(Top 48%)8806(Top 55%)8806(Top 156%)
Finish26.22 mi1.02 mi5629-915043-545043-549929(Top 35%)6938(Top 43%)6938(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2462

Males

2351

M18-39

2351

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3446

Males

3270

M18-39

3270

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2462

Males

2351

M18-39

2351

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1820

Males

1731

M18-39

1731

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1813

Males

1729

M18-39

1729

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2695

Males

2563

M18-39

2563

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3602

Males

3339

M18-39

3339

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6286

Males

5391

M18-39

5391

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8339

Males

6439

M18-39

6439

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12775

Males

8688

M18-39

8688

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

13387

Males

8872

M18-39

8872

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

20352

Males

12027

M18-39

12027

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20543

Males

12054

M18-39

12054

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13772

Males

8806

M18-39

8806

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9929

Males

6938

M18-39

6938

Passing Analysis

Category:
Athletes Passed
1277
Passed By
3324
Net Change
-2047
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3582
5K → 10K186101+85#3582#3497
10K → 15K3933+390#3497#3107
15K → 20K4031+402#3107#2705
20K → Half700+70#2705#2635
Half → 25K7257+15#2635#2620
25K → 30K58176-118#2620#2738
30K → 20M16249-233#2738#2971
20M → 21M13248-235#2971#3206
21M → 35K5279-274#3206#3480
35K → 23M14544-530#3480#4010
23M → 24M3898-895#4010#4905
24M → 40K7561-554#4905#5459
40K → 25.2M1493-79#5459#5538
25.2M → Finish23114-91#5538#5629
TOTALS12773324-2047
📊

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