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BOSTON MARATHON 2025

Will Swenson

Bib: 12292•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 35%
Masters (Masters Men)
#0 / 10463
Top 22%
Division (M50-54)
#0 / 1996
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:22/mi
22:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
45:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:14/mi
1:08:12
↑ 67↓ 78
20K· 12.43 mi
7:13/mi
1:30:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:35:24
↑ 19↓ 370.5%
25K· 15.53 mi
7:04/mi
1:52:32
↑ 66↓ 880.2%
30K· 18.64 mi
7:12/mi
2:14:53
↑ 181↓ 1480.2%
20M
7:08/mi
2:24:35
↑ 64↓ 500.2%
21M
7:28/mi
2:32:03
↑ 106↓ 241.6%
35K· 21.75 mi
6:54/mi
2:37:13
↑ 17↓ 861.7%
23M
7:04/mi
2:46:04
↑ 23↓ 630.6%
24M
6:46/mi
2:52:50
↓ 821.3%
40K· 24.85 mi
6:52/mi
2:58:42
↓ 200.3%
25.2M
7:27/mi
3:01:16
↑ 13↓ 160.2%
Finish· 26.22 mi
6:44/mi
3:08:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:35:24
Pace7:17 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:32:44
Pace7:04 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1522:547:2222:54
7:22
-
10K
6.21 mi11:13:0445:437:2122:49
7:21
-0:01
15K
9.32 mi11:35:331:08:127:1922:29
7:14
-0:07
20K
12.43 mi11:57:581:30:377:1822:25
7:13
-0:01
Half
13.11 mi12:02:451:35:247:174:47
7:01
-0:12
25K
15.53 mi12:19:531:52:327:1517:08
7:04
+0:03
30K
18.64 mi12:42:142:14:537:1422:21
7:12
+0:08
20M
20.00 mi12:51:562:24:357:149:42
7:08
-0:04
21M
21.00 mi12:59:242:32:037:147:28
7:28
+0:20
35K
21.75 mi13:04:342:37:137:145:10
6:54
-0:34
23M
23.00 mi13:13:252:46:047:138:51
7:04
+0:10
24M
24.00 mi13:20:112:52:507:126:46
6:46
-0:18
40K
24.85 mi13:26:032:58:427:115:52
6:52
+0:06
25.2M
25.20 mi13:28:373:01:167:122:34
7:27
+0:35
Finish
26.22 mi13:35:293:08:087:116:52
6:44
-0:43

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

6:44 /mi

Average Pace

7:11 /mi

Slowest Pace

7:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:06

95% of race

Time at Steady Pace

10:02

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:11 /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 mi10:50:1522:547:2222:54
7:22
#11034
10K
6.21 mi11:13:0445:437:2122:49
7:21
#10834
15K
9.32 mi11:35:331:08:127:1922:29
7:14
#10351
20K
12.43 mi11:57:581:30:377:1822:25
7:13
#9789
Half
13.11 mi12:02:451:35:247:174:47
7:01
#9661
25K
15.53 mi12:19:531:52:327:1517:08
7:04
#9060
30K
18.64 mi12:42:142:14:537:1422:21
7:12
#8306
20M
20.00 mi12:51:562:24:357:149:42
7:08
#7971
21M
21.00 mi12:59:242:32:037:147:28
7:28
#7685
35K
21.75 mi13:04:342:37:137:145:10
6:54
#7525
23M
23.00 mi13:13:252:46:047:138:51
7:04
#7238
24M
24.00 mi13:20:112:52:507:126:46
6:46
#7017
40K
24.85 mi13:26:032:58:427:115:52
6:52
#6812
25.2M
25.20 mi13:28:373:01:167:122:34
7:27
#6693
Finish
26.22 mi13:35:293:08:087:116:52
6:44
#6527
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi11034870287029414(Top 33%)7772(Top 48%)7772(Top 389%)
10K6.21 mi3.10 mi10834+2008576+1268576+12610675(Top 38%)8494(Top 53%)8494(Top 426%)
15K9.32 mi3.11 mi10351+4838325+2518325+2519414(Top 33%)7772(Top 48%)7772(Top 389%)
20K12.43 mi3.11 mi9789+5627990+3357990+3358315(Top 29%)7055(Top 44%)7055(Top 353%)
Half13.11 mi0.68 mi9661+1287917+737917+737641(Top 27%)6662(Top 41%)6662(Top 334%)
25K15.53 mi2.42 mi9060+6017560+3577560+3576746(Top 24%)5938(Top 37%)5938(Top 297%)
30K18.64 mi3.11 mi8306+7547062+4987062+4985866(Top 21%)5218(Top 32%)5218(Top 261%)
20M20.00 mi1.36 mi7971+3356814+2486814+2484891(Top 17%)4406(Top 27%)4406(Top 221%)
21M21.00 mi1.00 mi7685+2866607+2076607+2074465(Top 16%)3983(Top 25%)3983(Top 200%)
35K21.75 mi0.75 mi7525+1606473+1346473+1344804(Top 17%)4247(Top 26%)4247(Top 213%)
23M23.00 mi1.25 mi7238+2876250+2236250+2234184(Top 15%)3728(Top 23%)3728(Top 187%)
24M24.00 mi1.00 mi7017+2216076+1746076+1743357(Top 12%)3023(Top 19%)3023(Top 151%)
40K24.85 mi0.85 mi6812+2055911+1655911+1653191(Top 11%)2864(Top 18%)2864(Top 143%)
25.2M25.20 mi0.35 mi6693+1195812+995812+993206(Top 11%)2847(Top 18%)2847(Top 143%)
Finish26.22 mi1.02 mi6527+1665672+1405672+1404142(Top 15%)3545(Top 22%)3545(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9414

Males

7772

M50-54

7772

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10675

Males

8494

M50-54

8494

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9414

Males

7772

M50-54

7772

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8315

Males

7055

M50-54

7055

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7641

Males

6662

M50-54

6662

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6746

Males

5938

M50-54

5938

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5866

Males

5218

M50-54

5218

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4891

Males

4406

M50-54

4406

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4465

Males

3983

M50-54

3983

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4804

Males

4247

M50-54

4247

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4184

Males

3728

M50-54

3728

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3357

Males

3023

M50-54

3023

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3191

Males

2864

M50-54

2864

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3206

Males

2847

M50-54

2847

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4142

Males

3545

M50-54

3545

Passing Analysis

Category:
Athletes Passed
4724*
Passed By
217
Net Change
+4507
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11034
5K → 10K360160+200#11034#10834
10K → 15K50118+483#10834#10351
15K → 20K572*10+562#10351#9789
20K → Half1302+128#9789#9661
Half → 25K6032+601#9661#9060
25K → 30K7584+754#9060#8306
30K → 20M3361+335#8306#7971
20M → 21M2915+286#7971#7685
21M → 35K1611+160#7685#7525
35K → 23M2881+287#7525#7238
23M → 24M2232+221#7238#7017
24M → 40K2050+205#7017#6812
40K → 25.2M1234+119#6812#6693
25.2M → Finish1737+166#6693#6527
TOTALS4724*217+4507

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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