Boston Marathon logo
BOSTON MARATHON 2025

Adam Lofton

Bib: 28737•M

GA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:55
Rank: #18963
Start → 5K
25:55 | 8:21/mi
10K· 6.21 mi
50:41
Rank: #17665 (+1298)
5K → 10K
24:46 | 7:58/mi
15K· 9.32 mi
1:15:16
Rank: #16891 (+774)
10K → 15K
24:35 | 7:55/mi
20K· 12.43 mi
1:40:07
Rank: #16343 (+548)
15K → 20K
24:51 | 8:00/mi
Half· 13.11 mi
1:45:27
Rank: #16250 (+93)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:04:41
Rank: #15764 (+486)
Half → 25K
19:14 | 7:56/mi
30K· 18.64 mi
2:30:17
Rank: #15226 (+538)
25K → 30K
25:36 | 8:14/mi
20M
2:41:28
Rank: #14924 (+302)
30K → 20M
11:11 | 8:14/mi
21M
2:50:41
Rank: #14866 (+58)
20M → 21M
9:13 | 9:13/mi
35K· 21.75 mi
2:56:51
Rank: #14792 (+74)
21M → 35K
6:10 | 8:15/mi
23M
3:07:17
Rank: #14619 (+173)
35K → 23M
10:26 | 8:20/mi
24M
3:15:39
Rank: #14559 (+60)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:23:21
Rank: #14601 (-42)
24M → 40K
7:42 | 9:00/mi
25.2M
3:26:55
Rank: #14672 (-71)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
3:35:42
Rank: #14747 (-75)
25.2M → Finish
8:47 | 8:37/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
Time1:45:27
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:50:15
Pace8:25 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1525:558:2125:55
8:21
-
10K
6.21 mi12:10:0150:418:0924:46
7:58
-0:23
15K
9.32 mi12:34:361:15:168:0524:35
7:55
-0:03
20K
12.43 mi12:59:271:40:078:0324:51
8:00
+0:05
Half
13.11 mi13:04:471:45:278:035:20
7:49
-0:11
25K
15.53 mi13:24:012:04:418:0219:14
7:56
+0:07
30K
18.64 mi13:49:372:30:178:0425:36
8:14
+0:18
20M
20.00 mi14:00:482:41:288:0411:11
8:14
0:00
21M
21.00 mi14:10:012:50:418:089:13
9:13
+0:59
35K
21.75 mi14:16:112:56:518:086:10
8:15
-0:58
23M
23.00 mi14:26:373:07:178:0910:26
8:20
+0:05
24M
24.00 mi14:34:593:15:398:098:22
8:22
+0:02
40K
24.85 mi14:42:413:23:218:117:42
9:00
+0:38
25.2M
25.20 mi14:46:153:26:558:133:34
10:21
+1:21
Finish
26.22 mi14:55:023:35:428:148:47
8:37
-1:44

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

7:49 /mi

Average Pace

8:14 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:55

14% of race

Time at Steady Pace

2:36:31

73% of race

Time at Slower Pace

29:16

14% of race

Average Pace: 8:14 /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 mi11:45:1525:558:2125:55
8:21
#18963
10K
6.21 mi12:10:0150:418:0924:46
7:58
#17665
15K
9.32 mi12:34:361:15:168:0524:35
7:55
#16891
20K
12.43 mi12:59:271:40:078:0324:51
8:00
#16343
Half
13.11 mi13:04:471:45:278:035:20
7:49
#16250
25K
15.53 mi13:24:012:04:418:0219:14
7:56
#15764
30K
18.64 mi13:49:372:30:178:0425:36
8:14
#15226
20M
20.00 mi14:00:482:41:288:0411:11
8:14
#14924
21M
21.00 mi14:10:012:50:418:089:13
9:13
#14866
35K
21.75 mi14:16:112:56:518:086:10
8:15
#14792
23M
23.00 mi14:26:373:07:178:0910:26
8:20
#14619
24M
24.00 mi14:34:593:15:398:098:22
8:22
#14559
40K
24.85 mi14:42:413:23:218:117:42
9:00
#14601
25.2M
25.20 mi14:46:153:26:558:133:34
10:21
#14672
Finish
26.22 mi14:55:023:35:428:148:47
8:37
#14747
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi18963120171201715329(Top 54%)10515(Top 65%)10515(Top 527%)
10K6.21 mi3.10 mi17665+129811481+53611481+53616229(Top 57%)10917(Top 68%)10917(Top 547%)
15K9.32 mi3.11 mi16891+77411182+29911182+29915329(Top 54%)10515(Top 65%)10515(Top 527%)
20K12.43 mi3.11 mi16343+54810947+23510947+23514902(Top 52%)10268(Top 64%)10268(Top 514%)
Half13.11 mi0.68 mi16250+9310896+5110896+5114361(Top 51%)10054(Top 62%)10054(Top 504%)
25K15.53 mi2.42 mi15764+48610684+21210684+21213358(Top 47%)9466(Top 59%)9466(Top 474%)
30K18.64 mi3.11 mi15226+53810395+28910395+28913096(Top 46%)9185(Top 57%)9185(Top 460%)
20M20.00 mi1.36 mi14924+30210229+16610229+16612001(Top 42%)8536(Top 53%)8536(Top 428%)
21M21.00 mi1.00 mi14866+5810176+5310176+5314696(Top 52%)9660(Top 60%)9660(Top 484%)
35K21.75 mi0.75 mi14792+7410129+4710129+4713874(Top 49%)9225(Top 57%)9225(Top 462%)
23M23.00 mi1.25 mi14619+17310019+11010019+11012233(Top 43%)8341(Top 52%)8341(Top 418%)
24M24.00 mi1.00 mi14559+609972+479972+4713649(Top 48%)8975(Top 56%)8975(Top 450%)
40K24.85 mi0.85 mi14601-429958+149958+1416299(Top 57%)10048(Top 62%)10048(Top 503%)
25.2M25.20 mi0.35 mi14672-719976-189976-1818385(Top 65%)10993(Top 68%)10993(Top 551%)
Finish26.22 mi1.02 mi14747-759980-49980-416938(Top 60%)10362(Top 64%)10362(Top 519%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15329

Males

10515

M50-54

10515

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16229

Males

10917

M50-54

10917

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15329

Males

10515

M50-54

10515

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14902

Males

10268

M50-54

10268

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14361

Males

10054

M50-54

10054

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13358

Males

9466

M50-54

9466

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

13096

Males

9185

M50-54

9185

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

12001

Males

8536

M50-54

8536

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14696

Males

9660

M50-54

9660

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13874

Males

9225

M50-54

9225

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12233

Males

8341

M50-54

8341

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13649

Males

8975

M50-54

8975

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16299

Males

10048

M50-54

10048

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18385

Males

10993

M50-54

10993

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

16938

Males

10362

M50-54

10362

Passing Analysis

Category:
Athletes Passed
4806
Passed By
590
Net Change
+4216
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18963
5K → 10K131719+1298#18963#17665
10K → 15K78713+774#17665#16891
15K → 20K57123+548#16891#16343
20K → Half952+93#16343#16250
Half → 25K4937+486#16250#15764
25K → 30K57133+538#15764#15226
30K → 20M3108+302#15226#14924
20M → 21M13981+58#14924#14866
21M → 35K9824+74#14866#14792
35K → 23M19825+173#14792#14619
23M → 24M10747+60#14619#14559
24M → 40K5799-42#14559#14601
40K → 25.2M1586-71#14601#14672
25.2M → Finish48123-75#14672#14747
TOTALS4806590+4216
📊

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