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BOSTON MARATHON 2025

Jason Jennings

Bib: 6377•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
Masters (Masters Men)
#0 / 10463
Top 12%
Division (M40-44)
#0 / 2247
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:37
Rank: #2529
Start → 5K
6:19/mi
19:37 split
10K· 6.21 mi
39:19
Rank: #2610 (-81)
5K → 10K
6:20/mi
19:42 split
15K· 9.32 mi
58:58
Rank: #2552 (+58)
10K → 15K
6:19/mi
19:39 split
20K· 12.43 mi
1:19:10
Rank: #2677 (-125)
15K → 20K
6:30/mi
20:12 split
Half· 13.11 mi
1:23:30
Rank: #2674 (+3)
20K → Half
6:21/mi
4:20 split
25K· 15.53 mi
1:40:13
Rank: #3058 (-384)
Half → 25K
6:54/mi
16:43 split
30K· 18.64 mi
2:01:47
Rank: #3233 (-175)
25K → 30K
6:56/mi
21:34 split
20M
2:11:49
Rank: #3416 (-183)
30K → 20M
7:23/mi
10:02 split
21M
2:19:17
Rank: #3449 (-33)
20M → 21M
7:28/mi
7:28 split
35K· 21.75 mi
2:24:46
Rank: #3559 (-110)
21M → 35K
7:20/mi
5:29 split
23M
2:34:35
Rank: #3814 (-255)
35K → 23M
7:50/mi
9:49 split
24M
2:42:34
Rank: #4113 (-299)
23M → 24M
7:59/mi
7:59 split
40K· 24.85 mi
2:49:27
Rank: #4365 (-252)
24M → 40K
8:03/mi
6:53 split
25.2M
2:52:28
Rank: #4471 (-106)
40K → 25.2M
8:45/mi
3:01 split
Finish· 26.22 mi
2:59:25
Rank: #4502 (-31)
25.2M → Finish
6:49/mi
6:57 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:30
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:35:55
Pace7:19 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5019:376:1919:37
6:19
-
10K
6.21 mi10:43:3239:196:2019:42
6:20
+0:01
15K
9.32 mi11:03:1158:586:2019:39
6:19
-0:01
20K
12.43 mi11:23:231:19:106:2220:12
6:30
+0:11
Half
13.11 mi11:27:431:23:306:224:20
6:21
-0:09
25K
15.53 mi11:44:261:40:136:2716:43
6:54
+0:33
30K
18.64 mi12:06:002:01:476:3221:34
6:56
+0:02
20M
20.00 mi12:16:022:11:496:3510:02
7:23
+0:27
21M
21.00 mi12:23:302:19:176:387:28
7:28
+0:05
35K
21.75 mi12:28:592:24:466:395:29
7:20
-0:08
23M
23.00 mi12:38:482:34:356:439:49
7:50
+0:30
24M
24.00 mi12:46:472:42:346:467:59
7:59
+0:09
40K
24.85 mi12:53:402:49:276:496:53
8:03
+0:04
25.2M
25.20 mi12:56:412:52:286:513:01
8:45
+0:42
Finish
26.22 mi13:03:382:59:256:516:57
6:49
-1:56

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

6:19 /mi

Average Pace

6:51 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:30

47% of race

Time at Steady Pace

45:14

25% of race

Time at Slower Pace

50:41

28% of race

Average Pace: 6:51 /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 mi10:23:5019:376:1919:37
6:19
#2529
10K
6.21 mi10:43:3239:196:2019:42
6:20
#2610
15K
9.32 mi11:03:1158:586:2019:39
6:19
#2552
20K
12.43 mi11:23:231:19:106:2220:12
6:30
#2677
Half
13.11 mi11:27:431:23:306:224:20
6:21
#2674
25K
15.53 mi11:44:261:40:136:2716:43
6:54
#3058
30K
18.64 mi12:06:002:01:476:3221:34
6:56
#3233
20M
20.00 mi12:16:022:11:496:3510:02
7:23
#3416
21M
21.00 mi12:23:302:19:176:387:28
7:28
#3449
35K
21.75 mi12:28:592:24:466:395:29
7:20
#3559
23M
23.00 mi12:38:482:34:356:439:49
7:50
#3814
24M
24.00 mi12:46:472:42:346:467:59
7:59
#4113
40K
24.85 mi12:53:402:49:276:496:53
8:03
#4365
25.2M
25.20 mi12:56:412:52:286:513:01
8:45
#4471
Finish
26.22 mi13:03:382:59:256:516:57
6:49
#4502
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2529241024102505(Top 9%)2390(Top 15%)2390(Top 106%)
10K6.21 mi3.10 mi2610-812487-772487-772690(Top 9%)2564(Top 16%)2564(Top 114%)
15K9.32 mi3.11 mi2552+582433+542433+542505(Top 9%)2390(Top 15%)2390(Top 106%)
20K12.43 mi3.11 mi2677-1252552-1192552-1193150(Top 11%)2990(Top 19%)2990(Top 133%)
Half13.11 mi0.68 mi2674+32550+22550+22847(Top 10%)2723(Top 17%)2723(Top 121%)
25K15.53 mi2.42 mi3058-3842915-3652915-3655628(Top 20%)5102(Top 32%)5102(Top 227%)
30K18.64 mi3.11 mi3233-1753067-1523067-1524353(Top 15%)3988(Top 25%)3988(Top 177%)
20M20.00 mi1.36 mi3416-1833230-1633230-1636282(Top 22%)5387(Top 33%)5387(Top 240%)
21M21.00 mi1.00 mi3449-333259-293259-294457(Top 16%)3975(Top 25%)3975(Top 177%)
35K21.75 mi0.75 mi3559-1103351-923351-927381(Top 26%)5915(Top 37%)5915(Top 263%)
23M23.00 mi1.25 mi3814-2553567-2163567-2168843(Top 31%)6631(Top 41%)6631(Top 295%)
24M24.00 mi1.00 mi4113-2993817-2503817-25011071(Top 39%)7695(Top 48%)7695(Top 342%)
40K24.85 mi0.85 mi4365-2524024-2074024-20710510(Top 37%)7295(Top 45%)7295(Top 325%)
25.2M25.20 mi0.35 mi4471-1064107-834107-8310196(Top 36%)7020(Top 44%)7020(Top 312%)
Finish26.22 mi1.02 mi4502-314129-224129-224629(Top 16%)3879(Top 24%)3879(Top 173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2505

Males

2390

M40-44

2390

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2690

Males

2564

M40-44

2564

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2505

Males

2390

M40-44

2390

15K→20K

9.3 - 12.4 mi

Top 11%
×5story building
+106ft-86ft

Overall

3150

Males

2990

M40-44

2990

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2847

Males

2723

M40-44

2723

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5628

Males

5102

M40-44

5102

25K→30K

15.5 - 18.6 mi

Top 15%
×9story building
+181ft-148ft

Overall

4353

Males

3988

M40-44

3988

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6282

Males

5387

M40-44

5387

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4457

Males

3975

M40-44

3975

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7381

Males

5915

M40-44

5915

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8843

Males

6631

M40-44

6631

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11071

Males

7695

M40-44

7695

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10510

Males

7295

M40-44

7295

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10196

Males

7020

M40-44

7020

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4629

Males

3879

M40-44

3879

Passing Analysis

Category:
Athletes Passed
510
Passed By
2483
Net Change
-1973
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2529
5K → 10K86167-81#2529#2610
10K → 15K10446+58#2610#2552
15K → 20K41166-125#2552#2677
20K → Half1714+3#2677#2674
Half → 25K16400-384#2674#3058
25K → 30K68243-175#3058#3233
30K → 20M26209-183#3233#3416
20M → 21M4578-33#3416#3449
21M → 35K19129-110#3449#3559
35K → 23M24279-255#3559#3814
23M → 24M13312-299#3814#4113
24M → 40K8260-252#4113#4365
40K → 25.2M6112-106#4365#4471
25.2M → Finish3768-31#4471#4502
TOTALS5102483-1973
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing