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BOSTON MARATHON 2025

Jay Ensor

Bib: 10744•M

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 43%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:21
Rank: #12375
Start → 5K
23:21 | 7:31/mi
10K· 6.21 mi
46:50
Rank: #12454 (-79)
5K → 10K
23:29 | 7:34/mi
15K· 9.32 mi
1:10:26
Rank: #12482 (-28)
10K → 15K
23:36 | 7:36/mi
20K· 12.43 mi
1:33:51
Rank: #12101 (+381)
15K → 20K
23:25 | 7:32/mi
Half· 13.11 mi
1:38:53
Rank: #12001 (+100)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:57:28
Rank: #11855 (+146)
Half → 25K
18:35 | 7:40/mi
30K· 18.64 mi
2:22:17
Rank: #11680 (+175)
25K → 30K
24:49 | 7:59/mi
20M
2:33:19
Rank: #11597 (+83)
30K → 20M
11:02 | 8:07/mi
21M
2:41:48
Rank: #11501 (+96)
20M → 21M
8:29 | 8:29/mi
35K· 21.75 mi
2:47:21
Rank: #11349 (+152)
21M → 35K
5:33 | 7:25/mi
23M
2:57:42
Rank: #11353 (-4)
35K → 23M
10:21 | 8:16/mi
24M
3:05:55
Rank: #11378 (-25)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:13:29
Rank: #11546 (-168)
24M → 40K
7:34 | 8:51/mi
25.2M
3:16:43
Rank: #11598 (-52)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:24:42
Rank: #11586 (+12)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:53
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:45:49
Pace8:04 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0423:217:3123:21
7:31
-
10K
6.21 mi11:13:3346:507:3223:29
7:34
+0:03
15K
9.32 mi11:37:091:10:267:3323:36
7:36
+0:02
20K
12.43 mi12:00:341:33:517:3323:25
7:32
-0:04
Half
13.11 mi12:05:361:38:537:335:02
7:23
-0:09
25K
15.53 mi12:24:111:57:287:3418:35
7:40
+0:17
30K
18.64 mi12:49:002:22:177:3824:49
7:59
+0:19
20M
20.00 mi13:00:022:33:197:4011:02
8:07
+0:08
21M
21.00 mi13:08:312:41:487:428:29
8:29
+0:22
35K
21.75 mi13:14:042:47:217:425:33
7:25
-1:04
23M
23.00 mi13:24:252:57:427:4410:21
8:16
+0:51
24M
24.00 mi13:32:383:05:557:458:13
8:13
-0:03
40K
24.85 mi13:40:123:13:297:477:34
8:51
+0:38
25.2M
25.20 mi13:43:263:16:437:483:14
9:23
+0:32
Finish
26.22 mi13:51:253:24:427:497:59
7:50
-1:33

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

7:23 /mi

Average Pace

7:49 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:21

28% of race

Time at Steady Pace

1:38:28

48% of race

Time at Slower Pace

48:53

24% of race

Average Pace: 7:48 /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 mi10:50:0423:217:3123:21
7:31
#12375
10K
6.21 mi11:13:3346:507:3223:29
7:34
#12454
15K
9.32 mi11:37:091:10:267:3323:36
7:36
#12482
20K
12.43 mi12:00:341:33:517:3323:25
7:32
#12101
Half
13.11 mi12:05:361:38:537:335:02
7:23
#12001
25K
15.53 mi12:24:111:57:287:3418:35
7:40
#11855
30K
18.64 mi12:49:002:22:177:3824:49
7:59
#11680
20M
20.00 mi13:00:022:33:197:4011:02
8:07
#11597
21M
21.00 mi13:08:312:41:487:428:29
8:29
#11501
35K
21.75 mi13:14:042:47:217:425:33
7:25
#11349
23M
23.00 mi13:24:252:57:427:4410:21
8:16
#11353
24M
24.00 mi13:32:383:05:557:458:13
8:13
#11378
40K
24.85 mi13:40:123:13:297:477:34
8:51
#11546
25.2M
25.20 mi13:43:263:16:437:483:14
9:23
#11598
Finish
26.22 mi13:51:253:24:427:497:59
7:50
#11586
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi123759339933912553(Top 44%)9323(Top 58%)9323(Top 391%)
10K6.21 mi3.10 mi12454-799376-379376-3712628(Top 44%)9429(Top 59%)9429(Top 395%)
15K9.32 mi3.11 mi12482-289353+239353+2312553(Top 44%)9323(Top 58%)9323(Top 391%)
20K12.43 mi3.11 mi12101+3819141+2129141+21211066(Top 39%)8532(Top 53%)8532(Top 358%)
Half13.11 mi0.68 mi12001+1009092+499092+4910659(Top 38%)8381(Top 52%)8381(Top 351%)
25K15.53 mi2.42 mi11855+1468977+1158977+11511253(Top 40%)8508(Top 53%)8508(Top 357%)
30K18.64 mi3.11 mi11680+1758822+1558822+15511278(Top 40%)8330(Top 52%)8330(Top 349%)
20M20.00 mi1.36 mi11597+838747+758747+7511228(Top 40%)8147(Top 51%)8147(Top 341%)
21M21.00 mi1.00 mi11501+968657+908657+9010326(Top 36%)7523(Top 47%)7523(Top 315%)
35K21.75 mi0.75 mi11349+1528564+938564+938064(Top 28%)6349(Top 39%)6349(Top 266%)
23M23.00 mi1.25 mi11353-48517+478517+4711800(Top 42%)8137(Top 51%)8137(Top 341%)
24M24.00 mi1.00 mi11378-258500+178500+1712657(Top 45%)8483(Top 53%)8483(Top 356%)
40K24.85 mi0.85 mi11546-1688546-468546-4615425(Top 54%)9612(Top 60%)9612(Top 403%)
25.2M25.20 mi0.35 mi11598-528560-148560-1413810(Top 49%)8844(Top 55%)8844(Top 371%)
Finish26.22 mi1.02 mi11586+128508+528508+5211664(Top 41%)7853(Top 49%)7853(Top 329%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12553

Males

9323

M45-49

9323

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

12628

Males

9429

M45-49

9429

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12553

Males

9323

M45-49

9323

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

11066

Males

8532

M45-49

8532

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10659

Males

8381

M45-49

8381

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

11253

Males

8508

M45-49

8508

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11278

Males

8330

M45-49

8330

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11228

Males

8147

M45-49

8147

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10326

Males

7523

M45-49

7523

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

8064

Males

6349

M45-49

6349

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11800

Males

8137

M45-49

8137

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12657

Males

8483

M45-49

8483

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15425

Males

9612

M45-49

9612

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13810

Males

8844

M45-49

8844

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11664

Males

7853

M45-49

7853

Passing Analysis

Category:
Athletes Passed
2245
Passed By
1456
Net Change
+789
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12375
5K → 10K227306-79#12375#12454
10K → 15K169197-28#12454#12482
15K → 20K41534+381#12482#12101
20K → Half1033+100#12101#12001
Half → 25K23387+146#12001#11855
25K → 30K300125+175#11855#11680
30K → 20M15168+83#11680#11597
20M → 21M15357+96#11597#11501
21M → 35K1608+152#11501#11349
35K → 23M110114-4#11349#11353
23M → 24M76101-25#11353#11378
24M → 40K29197-168#11378#11546
40K → 25.2M2375-52#11546#11598
25.2M → Finish9684+12#11598#11586
TOTALS22451456+789
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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