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BOSTON MARATHON 2025

Eric Swezey

Bib: 9011•M

MA

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
22:54
Rank: #11052
Start → 5K
7:22/mi
22:54 split
10K· 6.21 mi
46:44
Rank: #12317 (-1265)
5K → 10K
7:40/mi
23:50 split
15K· 9.32 mi
1:10:37
Rank: #12653 (-336)
10K → 15K
7:41/mi
23:53 split
20K· 12.43 mi
1:37:14
Rank: #14445 (-1792)
15K → 20K
8:34/mi
26:37 split
Half· 13.11 mi
1:42:35
Rank: #14436 (+9)
20K → Half
7:50/mi
5:21 split
25K· 15.53 mi
2:02:22
Rank: #14527 (-91)
Half → 25K
8:10/mi
19:47 split
30K· 18.64 mi
2:30:46
Rank: #15421 (-894)
25K → 30K
9:08/mi
28:24 split
20M
2:44:20
Rank: #15973 (-552)
30K → 20M
9:59/mi
13:34 split
21M
2:55:59
Rank: #16587 (-614)
20M → 21M
11:39/mi
11:39 split
35K· 21.75 mi
3:03:22
Rank: #16816 (-229)
21M → 35K
9:52/mi
7:23 split
23M
3:16:20
Rank: #17267 (-451)
35K → 23M
10:21/mi
12:58 split
24M
3:26:50
Rank: #17647 (-380)
23M → 24M
10:30/mi
10:30 split
40K· 24.85 mi
3:36:24
Rank: #18051 (-404)
24M → 40K
11:11/mi
9:34 split
25.2M
3:40:04
Rank: #18091 (-40)
40K → 25.2M
10:38/mi
3:40 split
Finish· 26.22 mi
3:50:13
Rank: #18365 (-274)
25.2M → Finish
9:58/mi
10:09 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:35
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time2:07:38
Pace9:44 /mi
📊Positive Split: 24.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5122:547:2222:54
7:22
-
10K
6.21 mi11:13:4146:447:3123:50
7:40
+0:18
15K
9.32 mi11:37:341:10:377:3523:53
7:41
+0:01
20K
12.43 mi12:04:111:37:147:4926:37
8:34
+0:53
Half
13.11 mi12:09:321:42:357:505:21
7:50
-0:44
25K
15.53 mi12:29:192:02:227:5319:47
8:10
+0:20
30K
18.64 mi12:57:432:30:468:0528:24
9:08
+0:58
20M
20.00 mi13:11:172:44:208:1313:34
9:59
+0:51
21M
21.00 mi13:22:562:55:598:2311:39
11:39
+1:40
35K
21.75 mi13:30:193:03:228:267:23
9:52
-1:47
23M
23.00 mi13:43:173:16:208:3212:58
10:21
+0:29
24M
24.00 mi13:53:473:26:508:3710:30
10:30
+0:09
40K
24.85 mi14:03:213:36:248:429:34
11:11
+0:41
25.2M
25.20 mi14:07:013:40:048:443:40
10:38
-0:33
Finish
26.22 mi14:17:103:50:138:4710:09
9:58
-0:40

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

7:22 /mi

Average Pace

8:47 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:46

65% of race

Time at Steady Pace

54:34

24% of race

Time at Slower Pace

24:53

11% of race

Average Pace: 8:47 /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 mi10:49:5122:547:2222:54
7:22
#11052
10K
6.21 mi11:13:4146:447:3123:50
7:40
#12317
15K
9.32 mi11:37:341:10:377:3523:53
7:41
#12653
20K
12.43 mi12:04:111:37:147:4926:37
8:34
#14445
Half
13.11 mi12:09:321:42:357:505:21
7:50
#14436
25K
15.53 mi12:29:192:02:227:5319:47
8:10
#14527
30K
18.64 mi12:57:432:30:468:0528:24
9:08
#15421
20M
20.00 mi13:11:172:44:208:1313:34
9:59
#15973
21M
21.00 mi13:22:562:55:598:2311:39
11:39
#16587
35K
21.75 mi13:30:193:03:228:267:23
9:52
#16816
23M
23.00 mi13:43:173:16:208:3212:58
10:21
#17267
24M
24.00 mi13:53:473:26:508:3710:30
10:30
#17647
40K
24.85 mi14:03:213:36:248:429:34
11:11
#18051
25.2M
25.20 mi14:07:013:40:048:443:40
10:38
#18091
Finish
26.22 mi14:17:103:50:138:4710:09
9:58
#18365
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi110528720872013371(Top 47%)9674(Top 60%)9674(Top 431%)
10K6.21 mi3.10 mi12317-12659316-5969316-59613630(Top 48%)9855(Top 61%)9855(Top 439%)
15K9.32 mi3.11 mi12653-3369440-1249440-12413371(Top 47%)9674(Top 60%)9674(Top 431%)
20K12.43 mi3.11 mi14445-179210145-70510145-70518635(Top 66%)11877(Top 74%)11877(Top 529%)
Half13.11 mi0.68 mi14436+910137+810137+814600(Top 51%)10181(Top 63%)10181(Top 453%)
25K15.53 mi2.42 mi14527-9110135+210135+215038(Top 53%)10248(Top 64%)10248(Top 456%)
30K18.64 mi3.11 mi15421-89410474-33910474-33918351(Top 65%)11539(Top 72%)11539(Top 514%)
20M20.00 mi1.36 mi15973-55210674-20010674-20020873(Top 73%)12527(Top 78%)12527(Top 557%)
21M21.00 mi1.00 mi16587-61410911-23710911-23722910(Top 81%)13395(Top 83%)13395(Top 596%)
35K21.75 mi0.75 mi16816-22910990-7910990-7921510(Top 76%)12670(Top 79%)12670(Top 564%)
23M23.00 mi1.25 mi17267-45111124-13411124-13421584(Top 76%)12663(Top 79%)12663(Top 564%)
24M24.00 mi1.00 mi17647-38011272-14811272-14822804(Top 80%)13202(Top 82%)13202(Top 588%)
40K24.85 mi0.85 mi18051-40411431-15911431-15923523(Top 83%)13507(Top 84%)13507(Top 601%)
25.2M25.20 mi0.35 mi18091-4011439-811439-819443(Top 68%)11517(Top 72%)11517(Top 513%)
Finish26.22 mi1.02 mi18365-27411535-9611535-9622792(Top 80%)13165(Top 82%)13165(Top 586%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

13371

Males

9674

M40-44

9674

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13630

Males

9855

M40-44

9855

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

13371

Males

9674

M40-44

9674

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18635

Males

11877

M40-44

11877

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

14600

Males

10181

M40-44

10181

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

15038

Males

10248

M40-44

10248

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18351

Males

11539

M40-44

11539

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

20873

Males

12527

M40-44

12527

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

22910

Males

13395

M40-44

13395

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21510

Males

12670

M40-44

12670

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21584

Males

12663

M40-44

12663

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22804

Males

13202

M40-44

13202

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23523

Males

13507

M40-44

13507

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19443

Males

11517

M40-44

11517

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22792

Males

13165

M40-44

13165

Passing Analysis

Category:
Athletes Passed
576
Passed By
7889
Net Change
-7313
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11052
5K → 10K271292-1265#11052#12317
10K → 15K87423-336#12317#12653
15K → 20K231815-1792#12653#14445
20K → Half4637+9#14445#14436
Half → 25K149240-91#14436#14527
25K → 30K74968-894#14527#15421
30K → 20M29581-552#15421#15973
20M → 21M18632-614#15973#16587
21M → 35K26255-229#16587#16816
35K → 23M39490-451#16816#17267
23M → 24M24404-380#17267#17647
24M → 40K9413-404#17647#18051
40K → 25.2M1454-40#18051#18091
25.2M → Finish11285-274#18091#18365
TOTALS5767889-7313
📊

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