Boston Marathon logo
BOSTON MARATHON 2025

Donald Peterson

Bib: 2997•M

NJ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
Masters (Masters Men)
#0 / 10463
Top 35%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:08
Rank: #6335
Start → 5K
21:08 | 6:48/mi
10K· 6.21 mi
42:15
Rank: #6298 (+37)
5K → 10K
21:07 | 6:48/mi
15K· 9.32 mi
1:03:26
Rank: #6266 (+32)
10K → 15K
21:11 | 6:49/mi
20K· 12.43 mi
1:24:41
Rank: #6068 (+198)
15K → 20K
21:15 | 6:50/mi
Half· 13.11 mi
1:29:13
Rank: #6003 (+65)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:45:52
Rank: #5852 (+151)
Half → 25K
16:39 | 6:52/mi
30K· 18.64 mi
2:11:12
Rank: #6911 (-1059)
25K → 30K
25:20 | 8:09/mi
20M
2:23:26
Rank: #7547 (-636)
30K → 20M
12:14 | 9:00/mi
21M
2:32:07
Rank: #7706 (-159)
20M → 21M
8:41 | 8:41/mi
35K· 21.75 mi
2:39:24
Rank: #8295 (-589)
21M → 35K
7:17 | 9:44/mi
23M
2:50:50
Rank: #8884 (-589)
35K → 23M
11:26 | 9:08/mi
24M
2:59:12
Rank: #9088 (-204)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:06:27
Rank: #9244 (-156)
24M → 40K
7:15 | 8:29/mi
25.2M
3:09:42
Rank: #9329 (-85)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:17:39
Rank: #9406 (-77)
25.2M → Finish
7:57 | 7:48/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
Time1:29:13
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:48:26
Pace8:16 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3421:086:4821:08
6:48
-
10K
6.21 mi10:44:4142:156:4821:07
6:48
0:00
15K
9.32 mi11:05:521:03:266:4821:11
6:49
+0:01
20K
12.43 mi11:27:071:24:416:4921:15
6:50
+0:01
Half
13.11 mi11:31:391:29:136:484:32
6:39
-0:11
25K
15.53 mi11:48:181:45:526:4916:39
6:52
+0:13
30K
18.64 mi12:13:382:11:127:0225:20
8:09
+1:17
20M
20.00 mi12:25:522:23:267:1012:14
9:00
+0:51
21M
21.00 mi12:34:332:32:077:158:41
8:41
-0:19
35K
21.75 mi12:41:502:39:247:207:17
9:44
+1:03
23M
23.00 mi12:53:162:50:507:2611:26
9:08
-0:36
24M
24.00 mi13:01:382:59:127:288:22
8:22
-0:46
40K
24.85 mi13:08:533:06:277:307:15
8:29
+0:07
25.2M
25.20 mi13:12:083:09:427:323:15
9:25
+0:56
Finish
26.22 mi13:20:053:17:397:337:57
7:48
-1:37

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

6:39 /mi

Average Pace

7:33 /mi

Slowest Pace

9:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:52

54% of race

Time at Steady Pace

48:54

25% of race

Time at Slower Pace

42:53

22% of race

Average Pace: 7:32 /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 mi10:23:3421:086:4821:08
6:48
#6335
10K
6.21 mi10:44:4142:156:4821:07
6:48
#6298
15K
9.32 mi11:05:521:03:266:4821:11
6:49
#6266
20K
12.43 mi11:27:071:24:416:4921:15
6:50
#6068
Half
13.11 mi11:31:391:29:136:484:32
6:39
#6003
25K
15.53 mi11:48:181:45:526:4916:39
6:52
#5852
30K
18.64 mi12:13:382:11:127:0225:20
8:09
#6911
20M
20.00 mi12:25:522:23:267:1012:14
9:00
#7547
21M
21.00 mi12:34:332:32:077:158:41
8:41
#7706
35K
21.75 mi12:41:502:39:247:207:17
9:44
#8295
23M
23.00 mi12:53:162:50:507:2611:26
9:08
#8884
24M
24.00 mi13:01:382:59:127:288:22
8:22
#9088
40K
24.85 mi13:08:533:06:277:307:15
8:29
#9244
25.2M
25.20 mi13:12:083:09:427:323:15
9:25
#9329
Finish
26.22 mi13:20:053:17:397:337:57
7:48
#9406
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6335579057906277(Top 22%)5687(Top 35%)5687(Top 253%)
10K6.21 mi3.10 mi6298+375764+265764+266366(Top 22%)5775(Top 36%)5775(Top 257%)
15K9.32 mi3.11 mi6266+325725+395725+396277(Top 22%)5687(Top 35%)5687(Top 253%)
20K12.43 mi3.11 mi6068+1985541+1845541+1845704(Top 20%)5202(Top 32%)5202(Top 232%)
Half13.11 mi0.68 mi6003+655486+555486+554875(Top 17%)4535(Top 28%)4535(Top 202%)
25K15.53 mi2.42 mi5852+1515342+1445342+1445427(Top 19%)4943(Top 31%)4943(Top 220%)
30K18.64 mi3.11 mi6911-10596140-7986140-79812462(Top 44%)8884(Top 55%)8884(Top 395%)
20M20.00 mi1.36 mi7547-6366549-4096549-40916776(Top 59%)10708(Top 66%)10708(Top 477%)
21M21.00 mi1.00 mi7706-1596627-786627-7811540(Top 41%)8133(Top 50%)8133(Top 362%)
35K21.75 mi0.75 mi8295-5896969-3426969-34221087(Top 74%)12475(Top 77%)12475(Top 555%)
23M23.00 mi1.25 mi8884-5897267-2987267-29816973(Top 60%)10486(Top 65%)10486(Top 467%)
24M24.00 mi1.00 mi9088-2047356-897356-8913621(Top 48%)8948(Top 56%)8948(Top 398%)
40K24.85 mi0.85 mi9244-1567405-497405-4913259(Top 47%)8634(Top 54%)8634(Top 384%)
25.2M25.20 mi0.35 mi9329-857432-277432-2714052(Top 49%)8937(Top 55%)8937(Top 398%)
Finish26.22 mi1.02 mi9406-777435-37435-311413(Top 40%)7708(Top 48%)7708(Top 343%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6277

Males

5687

M40-44

5687

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6366

Males

5775

M40-44

5775

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6277

Males

5687

M40-44

5687

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5704

Males

5202

M40-44

5202

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4875

Males

4535

M40-44

4535

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5427

Males

4943

M40-44

4943

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12462

Males

8884

M40-44

8884

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16776

Males

10708

M40-44

10708

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

11540

Males

8133

M40-44

8133

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

21087

Males

12475

M40-44

12475

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

16973

Males

10486

M40-44

10486

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13621

Males

8948

M40-44

8948

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13259

Males

8634

M40-44

8634

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

14052

Males

8937

M40-44

8937

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11413

Males

7708

M40-44

7708

Passing Analysis

Category:
Athletes Passed
1142
Passed By
4213
Net Change
-3071
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6335
5K → 10K210173+37#6335#6298
10K → 15K160128+32#6298#6266
15K → 20K24244+198#6266#6068
20K → Half672+65#6068#6003
Half → 25K20251+151#6003#5852
25K → 30K281087-1059#5852#6911
30K → 20M17653-636#6911#7547
20M → 21M45204-159#7547#7706
21M → 35K3592-589#7706#8295
35K → 23M30619-589#8295#8884
23M → 24M23227-204#8884#9088
24M → 40K48204-156#9088#9244
40K → 25.2M18103-85#9244#9329
25.2M → Finish49126-77#9329#9406
TOTALS11424213-3071
📊

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