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BOSTON MARATHON 2025

Brian Severance

Bib: 9616•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
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
21:55
Rank: #8255
Start → 5K
21:55 | 7:03/mi
10K· 6.21 mi
44:16
Rank: #8821 (-566)
5K → 10K
22:21 | 7:12/mi
15K· 9.32 mi
1:09:37
Rank: #11699 (-2878)
10K → 15K
25:21 | 8:10/mi
20K· 12.43 mi
1:36:01
Rank: #13587 (-1888)
15K → 20K
26:24 | 8:30/mi
Half· 13.11 mi
1:41:04
Rank: #13448 (+139)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
2:00:25
Rank: #13449 (-1)
Half → 25K
19:21 | 7:59/mi
30K· 18.64 mi
2:25:59
Rank: #13345 (+104)
25K → 30K
25:34 | 8:14/mi
20M
2:40:43
Rank: #14634 (-1289)
30K → 20M
14:44 | 10:51/mi
21M
2:49:58
Rank: #14634
20M → 21M
9:15 | 9:15/mi
35K· 21.75 mi
2:58:58
Rank: #15533 (-899)
21M → 35K
9:00 | 12:02/mi
23M
3:09:30
Rank: #15308 (+225)
35K → 23M
10:32 | 8:25/mi
24M
3:18:37
Rank: #15438 (-130)
23M → 24M
9:07 | 9:07/mi
40K· 24.85 mi
3:27:12
Rank: #15653 (-215)
24M → 40K
8:35 | 10:02/mi
25.2M
3:30:43
Rank: #15688 (-35)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:39:39
Rank: #15777 (-89)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:04
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:58:35
Pace9:03 /mi
📊Positive Split: 17.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3721:557:0321:55
7:03
-
10K
6.21 mi11:09:5844:167:0722:21
7:12
+0:09
15K
9.32 mi11:35:191:09:377:2825:21
8:10
+0:58
20K
12.43 mi12:01:431:36:017:4426:24
8:30
+0:20
Half
13.11 mi12:06:461:41:047:435:03
7:24
-1:06
25K
15.53 mi12:26:072:00:257:4519:21
7:59
+0:35
30K
18.64 mi12:51:412:25:597:5025:34
8:14
+0:15
20M
20.00 mi13:06:252:40:438:0214:44
10:51
+2:37
21M
21.00 mi13:15:402:49:588:069:15
9:15
-1:36
35K
21.75 mi13:24:402:58:588:149:00
12:02
+2:47
23M
23.00 mi13:35:123:09:308:1410:32
8:25
-3:37
24M
24.00 mi13:44:193:18:378:179:07
9:07
+0:42
40K
24.85 mi13:52:543:27:128:208:35
10:02
+0:55
25.2M
25.20 mi13:56:253:30:438:223:31
10:12
+0:10
Finish
26.22 mi14:05:213:39:398:238:56
8:46
-1:26

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

7:03 /mi

Average Pace

8:23 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:19

22% of race

Time at Steady Pace

2:05:15

57% of race

Time at Slower Pace

45:05

21% of race

Average Pace: 8:23 /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 mi10:47:3721:557:0321:55
7:03
#8255
10K
6.21 mi11:09:5844:167:0722:21
7:12
#8821
15K
9.32 mi11:35:191:09:377:2825:21
8:10
#11699
20K
12.43 mi12:01:431:36:017:4426:24
8:30
#13587
Half
13.11 mi12:06:461:41:047:435:03
7:24
#13448
25K
15.53 mi12:26:072:00:257:4519:21
7:59
#13449
30K
18.64 mi12:51:412:25:597:5025:34
8:14
#13345
20M
20.00 mi13:06:252:40:438:0214:44
10:51
#14634
21M
21.00 mi13:15:402:49:588:069:15
9:15
#14634
35K
21.75 mi13:24:402:58:588:149:00
12:02
#15533
23M
23.00 mi13:35:123:09:308:1410:32
8:25
#15308
24M
24.00 mi13:44:193:18:378:179:07
9:07
#15438
40K
24.85 mi13:52:543:27:128:208:35
10:02
#15653
25.2M
25.20 mi13:56:253:30:438:223:31
10:12
#15688
Finish
26.22 mi14:05:213:39:398:238:56
8:46
#15777
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi82557161716117126(Top 60%)11266(Top 70%)11266(Top 501%)
10K6.21 mi3.10 mi8821-5667494-3337494-3339439(Top 33%)7846(Top 49%)7846(Top 349%)
15K9.32 mi3.11 mi11699-28788998-15048998-150417126(Top 60%)11266(Top 70%)11266(Top 501%)
20K12.43 mi3.11 mi13587-18889768-7709768-77018203(Top 64%)11694(Top 73%)11694(Top 520%)
Half13.11 mi0.68 mi13448+1399710+589710+5810896(Top 38%)8521(Top 53%)8521(Top 379%)
25K15.53 mi2.42 mi13449-19673+379673+3713733(Top 48%)9626(Top 60%)9626(Top 428%)
30K18.64 mi3.11 mi13345+1049569+1049569+10413025(Top 46%)9157(Top 57%)9157(Top 408%)
20M20.00 mi1.36 mi14634-128910103-53410103-53423254(Top 82%)13635(Top 85%)13635(Top 607%)
21M21.00 mi1.00 mi1463410076+2710076+2714879(Top 52%)9734(Top 60%)9734(Top 433%)
35K21.75 mi0.75 mi15533-89910439-36310439-36325900(Top 91%)14777(Top 92%)14777(Top 658%)
23M23.00 mi1.25 mi15308+22510304+13510304+13512771(Top 45%)8598(Top 53%)8598(Top 383%)
24M24.00 mi1.00 mi15438-13010336-3210336-3217949(Top 63%)10895(Top 68%)10895(Top 485%)
40K24.85 mi0.85 mi15653-21510404-6810404-6820549(Top 72%)12060(Top 75%)12060(Top 537%)
25.2M25.20 mi0.35 mi15688-3510403+110403+117826(Top 63%)10728(Top 67%)10728(Top 477%)
Finish26.22 mi1.02 mi15777-8910417-1410417-1417851(Top 63%)10799(Top 67%)10799(Top 481%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17126

Males

11266

M40-44

11266

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9439

Males

7846

M40-44

7846

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17126

Males

11266

M40-44

11266

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

18203

Males

11694

M40-44

11694

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10896

Males

8521

M40-44

8521

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

13733

Males

9626

M40-44

9626

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

13025

Males

9157

M40-44

9157

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

23254

Males

13635

M40-44

13635

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14879

Males

9734

M40-44

9734

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

25900

Males

14777

M40-44

14777

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12771

Males

8598

M40-44

8598

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17949

Males

10895

M40-44

10895

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20549

Males

12060

M40-44

12060

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17826

Males

10728

M40-44

10728

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

17851

Males

10799

M40-44

10799

Passing Analysis

Category:
Athletes Passed
1157
Passed By
8677
Net Change
-7522
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8255
5K → 10K52618-566#8255#8821
10K → 15K102886-2878#8821#11699
15K → 20K141902-1888#11699#13587
20K → Half1390+139#13587#13448
Half → 25K164165-1#13448#13449
25K → 30K298194+104#13449#13345
30K → 20M141303-1289#13345#14634
20M → 21M1021020#14634#14634
21M → 35K3902-899#14634#15533
35K → 23M23712+225#15533#15308
23M → 24M34164-130#15308#15438
24M → 40K29244-215#15438#15653
40K → 25.2M2156-35#15653#15688
25.2M → Finish40129-89#15688#15777
TOTALS11578677-7522
📊

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