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BOSTON MARATHON 2025

Erik Swanson

Bib: 8395•M

NH

Masters
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0:00
0:00
/ mi
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Overall
#0 / 28404
Top 28%
Gender (Male)
#0 / 16105
Top 41%
Masters (Masters Men)
#0 / 10463
Top 28%
Age Group (M50-54)
#0 / 1996
Top 25%
Race Day Weather
50°/40°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
22:41
Rank: #10359
Start → 5K
22:41 | 7:18/mi
10K· 6.21 mi
45:37
Rank: #10675 (-316)
5K → 10K
22:56 | 7:23/mi
15K· 9.32 mi
1:08:26
Rank: #10575 (+100)
10K → 15K
22:49 | 7:21/mi
20K· 12.43 mi
1:31:22
Rank: #10322 (+253)
15K → 20K
22:56 | 7:23/mi
Half· 13.11 mi
1:36:22
Rank: #10298 (+24)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:54:19
Rank: #10088 (+210)
Half → 25K
17:57 | 7:24/mi
30K· 18.64 mi
2:17:42
Rank: #9592 (+496)
25K → 30K
23:23 | 7:32/mi
20M
2:27:53
Rank: #9330 (+262)
30K → 20M
10:11 | 7:30/mi
21M
2:35:40
Rank: #9092 (+238)
20M → 21M
7:47 | 7:47/mi
35K· 21.75 mi
2:40:59
Rank: #8923 (+169)
21M → 35K
5:19 | 7:06/mi
23M
2:50:11
Rank: #8637 (+286)
35K → 23M
9:12 | 7:21/mi
24M
2:57:19
Rank: #8396 (+241)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
3:03:23
Rank: #8191 (+205)
24M → 40K
6:04 | 7:06/mi
25.2M
3:06:03
Rank: #8120 (+71)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:12:53
Rank: #7853 (+267)
25.2M → Finish
6:50 | 6:42/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via Half
Distance13.11 mi
Time1:36:22
Pace7:21 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:31
Pace7:22 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:1222:417:1822:41
7:18
-
10K
6.21 mi10:53:0845:377:2022:56
7:23
+0:05
15K
9.32 mi11:15:571:08:267:2122:49
7:21
-0:02
20K
12.43 mi11:38:531:31:227:2122:56
7:23
+0:02
Half
13.11 mi11:43:531:36:227:215:00
7:20
-0:03
25K
15.53 mi12:01:501:54:197:2217:57
7:24
+0:04
30K
18.64 mi12:25:132:17:427:2323:23
7:32
+0:08
20M
20.00 mi12:35:242:27:537:2410:11
7:30
-0:02
21M
21.00 mi12:43:112:35:407:257:47
7:47
+0:17
35K
21.75 mi12:48:302:40:597:245:19
7:06
-0:41
23M
23.00 mi12:57:422:50:117:249:12
7:21
+0:15
24M
24.00 mi13:04:502:57:197:237:08
7:08
-0:13
40K
24.85 mi13:10:543:03:237:236:04
7:06
-0:02
25.2M
25.20 mi13:13:343:06:037:232:40
7:44
+0:38
Finish
26.22 mi13:20:243:12:537:226:50
6:42
-1:02

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:42 /mi

Average Pace

7:22 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:25:03

44% of race

Time at Steady Pace

1:47:50

56% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:30:1222:417:1822:41
7:18
#10359
10K
6.21 mi10:53:0845:377:2022:56
7:23
#10675
15K
9.32 mi11:15:571:08:267:2122:49
7:21
#10575
20K
12.43 mi11:38:531:31:227:2122:56
7:23
#10322
Half
13.11 mi11:43:531:36:227:215:00
7:20
#10298
25K
15.53 mi12:01:501:54:197:2217:57
7:24
#10088
30K
18.64 mi12:25:132:17:427:2323:23
7:32
#9592
20M
20.00 mi12:35:242:27:537:2410:11
7:30
#9330
21M
21.00 mi12:43:112:35:407:257:47
7:47
#9092
35K
21.75 mi12:48:302:40:597:245:19
7:06
#8923
23M
23.00 mi12:57:422:50:117:249:12
7:21
#8637
24M
24.00 mi13:04:502:57:197:237:08
7:08
#8396
40K
24.85 mi13:10:543:03:237:236:04
7:06
#8191
25.2M
25.20 mi13:13:343:06:037:232:40
7:44
#8120
Finish
26.22 mi13:20:243:12:537:226:50
6:42
#7853
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi103598362836210341(Top 36%)8260(Top 51%)8260(Top 414%)
10K6.21 mi3.10 mi10675-3168499-1378499-13710997(Top 39%)8660(Top 54%)8660(Top 434%)
15K9.32 mi3.11 mi10575+1008436+638436+6310341(Top 36%)8260(Top 51%)8260(Top 414%)
20K12.43 mi3.11 mi10322+2538273+1638273+1639709(Top 34%)7848(Top 49%)7848(Top 393%)
Half13.11 mi0.68 mi10298+248252+218252+2110160(Top 36%)8076(Top 50%)8076(Top 405%)
25K15.53 mi2.42 mi10088+2108106+1468106+1469168(Top 32%)7424(Top 46%)7424(Top 372%)
30K18.64 mi3.11 mi9592+4967791+3157791+3157925(Top 28%)6534(Top 41%)6534(Top 327%)
20M20.00 mi1.36 mi9330+2627618+1737618+1736962(Top 25%)5815(Top 36%)5815(Top 291%)
21M21.00 mi1.00 mi9092+2387452+1667452+1666107(Top 22%)5133(Top 32%)5133(Top 257%)
35K21.75 mi0.75 mi8923+1697334+1187334+1186037(Top 21%)5094(Top 32%)5094(Top 255%)
23M23.00 mi1.25 mi8637+2867129+2057129+2055739(Top 20%)4826(Top 30%)4826(Top 242%)
24M24.00 mi1.00 mi8396+2416949+1806949+1805421(Top 19%)4555(Top 28%)4555(Top 228%)
40K24.85 mi0.85 mi8191+2056797+1526797+1524461(Top 16%)3829(Top 24%)3829(Top 192%)
25.2M25.20 mi0.35 mi8120+716738+596738+594543(Top 16%)3821(Top 24%)3821(Top 191%)
Finish26.22 mi1.02 mi7853+2676538+2006538+2003924(Top 14%)3389(Top 21%)3389(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10341

Males

8260

M50-54

8260

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10997

Males

8660

M50-54

8660

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10341

Males

8260

M50-54

8260

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9709

Males

7848

M50-54

7848

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10160

Males

8076

M50-54

8076

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

9168

Males

7424

M50-54

7424

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7925

Males

6534

M50-54

6534

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6962

Males

5815

M50-54

5815

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6107

Males

5133

M50-54

5133

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

6037

Males

5094

M50-54

5094

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5739

Males

4826

M50-54

4826

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5421

Males

4555

M50-54

4555

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4461

Males

3829

M50-54

3829

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4543

Males

3821

M50-54

3821

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3924

Males

3389

M50-54

3389

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3263*
Passed By
757
Net Change
+2506
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10359
5K → 10K144460-316#10359#10675
10K → 15K215115+100#10675#10575
15K → 20K30754+253#10575#10322
20K → Half4824+24#10322#10298
Half → 25K25343+210#10298#10088
25K → 30K520*24+496#10088#9592
30K → 20M2686+262#9592#9330
20M → 21M2435+238#9330#9092
21M → 35K1734+169#9092#8923
35K → 23M2959+286#8923#8637
23M → 24M2465+241#8637#8396
24M → 40K2061+205#8396#8191
40K → 25.2M754+71#8191#8120
25.2M → Finish2703+267#8120#7853
TOTALS3263*757+2506

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing