Boston Marathon logo
BOSTON MARATHON 2025

Peter Marshall

Bib: 2675•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 33%
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
20:01
Rank: #3415
Start → 5K
6:27/mi
20:01 split
10K· 6.21 mi
40:39
Rank: #4078 (-663)
5K → 10K
6:38/mi
20:38 split
15K· 9.32 mi
1:01:08
Rank: #4092 (-14)
10K → 15K
6:36/mi
20:29 split
20K· 12.43 mi
1:22:01
Rank: #4162 (-70)
15K → 20K
6:43/mi
20:53 split
Half· 13.11 mi
1:26:29
Rank: #4143 (+19)
20K → Half
6:33/mi
4:28 split
25K· 15.53 mi
1:42:51
Rank: #4152 (-9)
Half → 25K
6:45/mi
16:22 split
30K· 18.64 mi
2:04:55
Rank: #4327 (-175)
25K → 30K
7:06/mi
22:04 split
20M
2:14:54
Rank: #4468 (-141)
30K → 20M
7:21/mi
9:59 split
21M
2:23:08
Rank: #4738 (-270)
20M → 21M
8:14/mi
8:14 split
35K· 21.75 mi
2:28:59
Rank: #4975 (-237)
21M → 35K
7:49/mi
5:51 split
23M
2:39:22
Rank: #5382 (-407)
35K → 23M
8:18/mi
10:23 split
24M
2:47:37
Rank: #5594 (-212)
23M → 24M
8:15/mi
8:15 split
40K· 24.85 mi
2:54:52
Rank: #5791 (-197)
24M → 40K
8:29/mi
7:15 split
25.2M
2:58:06
Rank: #5882 (-91)
40K → 25.2M
9:23/mi
3:14 split
Finish· 26.22 mi
3:06:14
Rank: #6046 (-164)
25.2M → Finish
7:59/mi
8:08 split

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
Time1:26:29
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:39:45
Pace7:37 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2120:016:2720:01
6:27
-
10K
6.21 mi10:41:5940:396:3320:38
6:38
+0:11
15K
9.32 mi11:02:281:01:086:3420:29
6:36
-0:02
20K
12.43 mi11:23:211:22:016:3620:53
6:43
+0:07
Half
13.11 mi11:27:491:26:296:364:28
6:33
-0:10
25K
15.53 mi11:44:111:42:516:3716:22
6:45
+0:12
30K
18.64 mi12:06:152:04:556:4222:04
7:06
+0:21
20M
20.00 mi12:16:142:14:546:459:59
7:21
+0:15
21M
21.00 mi12:24:282:23:086:498:14
8:14
+0:53
35K
21.75 mi12:30:192:28:596:515:51
7:49
-0:25
23M
23.00 mi12:40:422:39:226:5610:23
8:18
+0:29
24M
24.00 mi12:48:572:47:376:598:15
8:15
-0:03
40K
24.85 mi12:56:122:54:527:027:15
8:29
+0:14
25.2M
25.20 mi12:59:262:58:067:043:14
9:23
+0:54
Finish
26.22 mi13:07:343:06:147:068:08
7:59
-1:24

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

6:27 /mi

Average Pace

7:06 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:51

55% of race

Time at Steady Pace

32:03

17% of race

Time at Slower Pace

51:20

28% of race

Average Pace: 7:06 /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 mi10:21:2120:016:2720:01
6:27
#3415
10K
6.21 mi10:41:5940:396:3320:38
6:38
#4078
15K
9.32 mi11:02:281:01:086:3420:29
6:36
#4092
20K
12.43 mi11:23:211:22:016:3620:53
6:43
#4162
Half
13.11 mi11:27:491:26:296:364:28
6:33
#4143
25K
15.53 mi11:44:111:42:516:3716:22
6:45
#4152
30K
18.64 mi12:06:152:04:556:4222:04
7:06
#4327
20M
20.00 mi12:16:142:14:546:459:59
7:21
#4468
21M
21.00 mi12:24:282:23:086:498:14
8:14
#4738
35K
21.75 mi12:30:192:28:596:515:51
7:49
#4975
23M
23.00 mi12:40:422:39:226:5610:23
8:18
#5382
24M
24.00 mi12:48:572:47:376:598:15
8:15
#5594
40K
24.85 mi12:56:122:54:527:027:15
8:29
#5791
25.2M
25.20 mi12:59:262:58:067:043:14
9:23
#5882
Finish
26.22 mi13:07:343:06:147:068:08
7:59
#6046
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3415324432444170(Top 15%)3922(Top 24%)3922(Top 70%)
10K6.21 mi3.10 mi4078-6633845-6013845-6014799(Top 17%)4489(Top 28%)4489(Top 80%)
15K9.32 mi3.11 mi4092-143856-113856-114170(Top 15%)3922(Top 24%)3922(Top 70%)
20K12.43 mi3.11 mi4162-703916-603916-604618(Top 16%)4291(Top 27%)4291(Top 76%)
Half13.11 mi0.68 mi4143+193898+183898+184007(Top 14%)3771(Top 23%)3771(Top 67%)
25K15.53 mi2.42 mi4152-93901-33901-34491(Top 16%)4151(Top 26%)4151(Top 74%)
30K18.64 mi3.11 mi4327-1754047-1464047-1465323(Top 19%)4798(Top 30%)4798(Top 85%)
20M20.00 mi1.36 mi4468-1414157-1104157-1106048(Top 21%)5229(Top 32%)5229(Top 93%)
21M21.00 mi1.00 mi4738-2704384-2274384-2278742(Top 31%)6661(Top 41%)6661(Top 118%)
35K21.75 mi0.75 mi4975-2374572-1884572-18810912(Top 38%)7795(Top 48%)7795(Top 138%)
23M23.00 mi1.25 mi5382-4074904-3324904-33211968(Top 42%)8206(Top 51%)8206(Top 145%)
24M24.00 mi1.00 mi5594-2125052-1485052-14812865(Top 45%)8569(Top 53%)8569(Top 152%)
40K24.85 mi0.85 mi5791-1975187-1355187-13513251(Top 47%)8626(Top 54%)8626(Top 153%)
25.2M25.20 mi0.35 mi5882-915253-665253-6613759(Top 48%)8793(Top 55%)8793(Top 156%)
Finish26.22 mi1.02 mi6046-1645352-995352-9912716(Top 45%)8379(Top 52%)8379(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

4170

Males

3922

M18-39

3922

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4799

Males

4489

M18-39

4489

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

4170

Males

3922

M18-39

3922

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4618

Males

4291

M18-39

4291

20K→Half

12.4 - 13.1 mi

Top 14%
×2story building
+19ft-37ft

Overall

4007

Males

3771

M18-39

3771

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4491

Males

4151

M18-39

4151

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5323

Males

4798

M18-39

4798

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

6048

Males

5229

M18-39

5229

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8742

Males

6661

M18-39

6661

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10912

Males

7795

M18-39

7795

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11968

Males

8206

M18-39

8206

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12865

Males

8569

M18-39

8569

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13251

Males

8626

M18-39

8626

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13759

Males

8793

M18-39

8793

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12716

Males

8379

M18-39

8379

Passing Analysis

Category:
Athletes Passed
562
Passed By
3193
Net Change
-2631
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3415
5K → 10K11674-663#3415#4078
10K → 15K86100-14#4078#4092
15K → 20K85155-70#4092#4162
20K → Half3112+19#4162#4143
Half → 25K91100-9#4143#4152
25K → 30K87262-175#4152#4327
30K → 20M39180-141#4327#4468
20M → 21M24294-270#4468#4738
21M → 35K20257-237#4738#4975
35K → 23M26433-407#4975#5382
23M → 24M10222-212#5382#5594
24M → 40K15212-197#5594#5791
40K → 25.2M9100-91#5791#5882
25.2M → Finish28192-164#5882#6046
TOTALS5623193-2631
📊

Passing Visuals

Category:
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