Boston Marathon logo
BOSTON MARATHON 2025

Adam Jennings

Bib: 7737•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 31%
Masters (Masters Men)
#0 / 10463
Top 17%
Division (M40-44)
#0 / 2247
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:45
Rank: #5270
Start → 5K
20:45 | 6:41/mi
10K· 6.21 mi
41:25
Rank: #5065 (+205)
5K → 10K
20:40 | 6:39/mi
15K· 9.32 mi
1:02:38
Rank: #5445 (-380)
10K → 15K
21:13 | 6:50/mi
20K· 12.43 mi
1:25:18
Rank: #6531 (-1086)
15K → 20K
22:40 | 7:18/mi
Half· 13.11 mi
1:30:00
Rank: #6551 (-20)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:47:33
Rank: #6749 (-198)
Half → 25K
17:33 | 7:14/mi
30K· 18.64 mi
2:09:58
Rank: #6478 (+271)
25K → 30K
22:25 | 7:13/mi
20M
2:19:51
Rank: #6339 (+139)
30K → 20M
9:53 | 7:16/mi
21M
2:27:20
Rank: #6185 (+154)
20M → 21M
7:29 | 7:29/mi
35K· 21.75 mi
2:32:28
Rank: #6095 (+90)
21M → 35K
5:08 | 6:52/mi
23M
2:41:33
Rank: #5952 (+143)
35K → 23M
9:05 | 7:15/mi
24M
2:48:44
Rank: #5887 (+65)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
2:55:00
Rank: #5825 (+62)
24M → 40K
6:16 | 7:20/mi
25.2M
2:57:47
Rank: #5807 (+18)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:04:41
Rank: #5669 (+138)
25.2M → Finish
6:54 | 6:46/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
Time1:30:00
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:34:41
Pace7:13 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:3320:456:4120:45
6:41
-
10K
6.21 mi10:50:1341:256:4020:40
6:39
-0:02
15K
9.32 mi11:11:261:02:386:4321:13
6:50
+0:11
20K
12.43 mi11:34:061:25:186:5222:40
7:18
+0:28
Half
13.11 mi11:38:481:30:006:524:42
6:53
-0:25
25K
15.53 mi11:56:211:47:336:5517:33
7:14
+0:21
30K
18.64 mi12:18:462:09:586:5822:25
7:13
-0:01
20M
20.00 mi12:28:392:19:517:009:53
7:16
+0:03
21M
21.00 mi12:36:082:27:207:017:29
7:29
+0:13
35K
21.75 mi12:41:162:32:287:015:08
6:52
-0:37
23M
23.00 mi12:50:212:41:337:019:05
7:15
+0:23
24M
24.00 mi12:57:322:48:447:027:11
7:11
-0:04
40K
24.85 mi13:03:482:55:007:026:16
7:20
+0:09
25.2M
25.20 mi13:06:352:57:477:032:47
8:04
+0:44
Finish
26.22 mi13:13:293:04:417:036:54
6:46
-1:18

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

7:03 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:22

43% of race

Time at Steady Pace

1:35:03

51% of race

Time at Slower Pace

10:16

6% of race

Average Pace: 7:03 /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 mi10:29:3320:456:4120:45
6:41
#5270
10K
6.21 mi10:50:1341:256:4020:40
6:39
#5065
15K
9.32 mi11:11:261:02:386:4321:13
6:50
#5445
20K
12.43 mi11:34:061:25:186:5222:40
7:18
#6531
Half
13.11 mi11:38:481:30:006:524:42
6:53
#6551
25K
15.53 mi11:56:211:47:336:5517:33
7:14
#6749
30K
18.64 mi12:18:462:09:586:5822:25
7:13
#6478
20M
20.00 mi12:28:392:19:517:009:53
7:16
#6339
21M
21.00 mi12:36:082:27:207:017:29
7:29
#6185
35K
21.75 mi12:41:162:32:287:015:08
6:52
#6095
23M
23.00 mi12:50:212:41:337:019:05
7:15
#5952
24M
24.00 mi12:57:322:48:447:027:11
7:11
#5887
40K
24.85 mi13:03:482:55:007:026:16
7:20
#5825
25.2M
25.20 mi13:06:352:57:477:032:47
8:04
#5807
Finish
26.22 mi13:13:293:04:417:036:54
6:46
#5669
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5270490549056385(Top 22%)5777(Top 36%)5777(Top 257%)
10K6.21 mi3.10 mi5065+2054721+1844721+1844907(Top 17%)4583(Top 28%)4583(Top 204%)
15K9.32 mi3.11 mi5445-3805037-3165037-3166385(Top 22%)5777(Top 36%)5777(Top 257%)
20K12.43 mi3.11 mi6531-10865905-8685905-8689008(Top 32%)7451(Top 46%)7451(Top 332%)
Half13.11 mi0.68 mi6551-205917-125917-126804(Top 24%)6069(Top 38%)6069(Top 270%)
25K15.53 mi2.42 mi6749-1986062-1456062-1457877(Top 28%)6685(Top 42%)6685(Top 298%)
30K18.64 mi3.11 mi6478+2715818+2445818+2445989(Top 21%)5301(Top 33%)5301(Top 236%)
20M20.00 mi1.36 mi6339+1395692+1265692+1265626(Top 20%)4926(Top 31%)4926(Top 219%)
21M21.00 mi1.00 mi6185+1545553+1395553+1394555(Top 16%)4045(Top 25%)4045(Top 180%)
35K21.75 mi0.75 mi6095+905472+815472+814524(Top 16%)4026(Top 25%)4026(Top 179%)
23M23.00 mi1.25 mi5952+1435344+1285344+1285216(Top 18%)4467(Top 28%)4467(Top 199%)
24M24.00 mi1.00 mi5887+655277+675277+675721(Top 20%)4746(Top 29%)4746(Top 211%)
40K24.85 mi0.85 mi5825+625213+645213+645805(Top 20%)4738(Top 29%)4738(Top 211%)
25.2M25.20 mi0.35 mi5807+185193+205193+206285(Top 22%)4918(Top 31%)4918(Top 219%)
Finish26.22 mi1.02 mi5669+1385073+1205073+1204340(Top 15%)3684(Top 23%)3684(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6385

Males

5777

M40-44

5777

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4907

Males

4583

M40-44

4583

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6385

Males

5777

M40-44

5777

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9008

Males

7451

M40-44

7451

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6804

Males

6069

M40-44

6069

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7877

Males

6685

M40-44

6685

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5989

Males

5301

M40-44

5301

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5626

Males

4926

M40-44

4926

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4555

Males

4045

M40-44

4045

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4524

Males

4026

M40-44

4026

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5216

Males

4467

M40-44

4467

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5721

Males

4746

M40-44

4746

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5805

Males

4738

M40-44

4738

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6285

Males

4918

M40-44

4918

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4340

Males

3684

M40-44

3684

Passing Analysis

Category:
Athletes Passed
1701
Passed By
2100
Net Change
-399
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5270
5K → 10K29691+205#5270#5065
10K → 15K36416-380#5065#5445
15K → 20K141100-1086#5445#6531
20K → Half2242-20#6531#6551
Half → 25K73271-198#6551#6749
25K → 30K32352+271#6749#6478
30K → 20M16829+139#6478#6339
20M → 21M1595+154#6339#6185
21M → 35K922+90#6185#6095
35K → 23M16017+143#6095#5952
23M → 24M8722+65#5952#5887
24M → 40K8927+62#5887#5825
40K → 25.2M3820+18#5825#5807
25.2M → Finish1446+138#5807#5669
TOTALS17012100-399
📊

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