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BOSTON MARATHON 2025

Jj Swanson

Bib: 2406•M

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 25%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:42
Rank: #2710
Start → 5K
19:42 | 6:20/mi
10K· 6.21 mi
39:42
Rank: #2990 (-280)
5K → 10K
20:00 | 6:26/mi
15K· 9.32 mi
59:48
Rank: #3119 (-129)
10K → 15K
20:06 | 6:28/mi
20K· 12.43 mi
1:20:48
Rank: #3524 (-405)
15K → 20K
21:00 | 6:46/mi
Half· 13.11 mi
1:25:57
Rank: #3863 (-339)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:42:48
Rank: #4140 (-277)
Half → 25K
16:51 | 6:57/mi
30K· 18.64 mi
2:04:55
Rank: #4330 (-190)
25K → 30K
22:07 | 7:07/mi
20M
2:14:41
Rank: #4376 (-46)
30K → 20M
9:46 | 7:11/mi
21M
2:22:18
Rank: #4422 (-46)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:27:32
Rank: #4424 (-2)
21M → 35K
5:14 | 7:00/mi
23M
2:36:32
Rank: #4426 (-2)
35K → 23M
9:00 | 7:11/mi
24M
2:43:36
Rank: #4445 (-19)
23M → 24M
7:04 | 7:04/mi
40K· 24.85 mi
2:49:39
Rank: #4430 (+15)
24M → 40K
6:03 | 7:05/mi
25.2M
2:52:20
Rank: #4427 (+3)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:59:19
Rank: #4457 (-30)
25.2M → Finish
6:59 | 6:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:57
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:33:22
Pace7:07 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1719:426:2019:42
6:20
-
10K
6.21 mi10:41:1739:426:2320:00
6:26
+0:06
15K
9.32 mi11:01:2359:486:2520:06
6:28
+0:02
20K
12.43 mi11:22:231:20:486:3021:00
6:46
+0:18
Half
13.11 mi11:27:321:25:576:335:09
7:33
+0:47
25K
15.53 mi11:44:231:42:486:3716:51
6:57
-0:36
30K
18.64 mi12:06:302:04:556:4222:07
7:07
+0:10
20M
20.00 mi12:16:162:14:416:449:46
7:11
+0:04
21M
21.00 mi12:23:532:22:186:477:37
7:37
+0:26
35K
21.75 mi12:29:072:27:326:475:14
7:00
-0:37
23M
23.00 mi12:38:072:36:326:489:00
7:11
+0:11
24M
24.00 mi12:45:112:43:366:497:04
7:04
-0:07
40K
24.85 mi12:51:142:49:396:506:03
7:05
+0:01
25.2M
25.20 mi12:53:552:52:206:502:41
7:47
+0:42
Finish
26.22 mi13:00:542:59:196:516:59
6:51
-0:56

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

6:20 /mi

Average Pace

6:51 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:47

49% of race

Time at Steady Pace

1:16:05

42% of race

Time at Slower Pace

15:27

9% of race

Average Pace: 6:50 /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 mi10:21:1719:426:2019:42
6:20
#2710
10K
6.21 mi10:41:1739:426:2320:00
6:26
#2990
15K
9.32 mi11:01:2359:486:2520:06
6:28
#3119
20K
12.43 mi11:22:231:20:486:3021:00
6:46
#3524
Half
13.11 mi11:27:321:25:576:335:09
7:33
#3863
25K
15.53 mi11:44:231:42:486:3716:51
6:57
#4140
30K
18.64 mi12:06:302:04:556:4222:07
7:07
#4330
20M
20.00 mi12:16:162:14:416:449:46
7:11
#4376
21M
21.00 mi12:23:532:22:186:477:37
7:37
#4422
35K
21.75 mi12:29:072:27:326:475:14
7:00
#4424
23M
23.00 mi12:38:072:36:326:489:00
7:11
#4426
24M
24.00 mi12:45:112:43:366:497:04
7:04
#4445
40K
24.85 mi12:51:142:49:396:506:03
7:05
#4430
25.2M
25.20 mi12:53:552:52:206:502:41
7:47
#4427
Finish
26.22 mi13:00:542:59:196:516:59
6:51
#4457
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2710258425843388(Top 12%)3215(Top 20%)3215(Top 57%)
10K6.21 mi3.10 mi2990-2802844-2602844-2603299(Top 12%)3136(Top 19%)3136(Top 56%)
15K9.32 mi3.11 mi3119-1292969-1252969-1253388(Top 12%)3215(Top 20%)3215(Top 57%)
20K12.43 mi3.11 mi3524-4053340-3713340-3714918(Top 17%)4546(Top 28%)4546(Top 81%)
Half13.11 mi0.68 mi3863-3393640-3003640-30012050(Top 42%)9022(Top 56%)9022(Top 160%)
25K15.53 mi2.42 mi4140-2773890-2503890-2505981(Top 21%)5385(Top 33%)5385(Top 95%)
30K18.64 mi3.11 mi4330-1904050-1604050-1605425(Top 19%)4876(Top 30%)4876(Top 86%)
20M20.00 mi1.36 mi4376-464083-334083-335134(Top 18%)4583(Top 28%)4583(Top 81%)
21M21.00 mi1.00 mi4422-464106-234106-235214(Top 18%)4535(Top 28%)4535(Top 80%)
35K21.75 mi0.75 mi4424-24105+14105+15327(Top 19%)4609(Top 29%)4609(Top 82%)
23M23.00 mi1.25 mi4426-24098+74098+74804(Top 17%)4180(Top 26%)4180(Top 74%)
24M24.00 mi1.00 mi4445-194101-34101-35023(Top 18%)4280(Top 27%)4280(Top 76%)
40K24.85 mi0.85 mi4430+154080+214080+214347(Top 15%)3745(Top 23%)3745(Top 66%)
25.2M25.20 mi0.35 mi4427+34071+94071+94783(Top 17%)3981(Top 25%)3981(Top 71%)
Finish26.22 mi1.02 mi4457-304090-194090-194808(Top 17%)3992(Top 25%)3992(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3388

Males

3215

M18-39

3215

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3299

Males

3136

M18-39

3136

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3388

Males

3215

M18-39

3215

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4918

Males

4546

M18-39

4546

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

12050

Males

9022

M18-39

9022

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5981

Males

5385

M18-39

5385

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5425

Males

4876

M18-39

4876

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5134

Males

4583

M18-39

4583

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5214

Males

4535

M18-39

4535

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5327

Males

4609

M18-39

4609

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4804

Males

4180

M18-39

4180

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5023

Males

4280

M18-39

4280

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4347

Males

3745

M18-39

3745

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4783

Males

3981

M18-39

3981

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4808

Males

3992

M18-39

3992

Passing Analysis

Category:
Athletes Passed
619
Passed By
2366
Net Change
-1747
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2710
5K → 10K48328-280#2710#2990
10K → 15K49178-129#2990#3119
15K → 20K27432-405#3119#3524
20K → Half0339-339#3524#3863
Half → 25K31308-277#3863#4140
25K → 30K83273-190#4140#4330
30K → 20M55101-46#4330#4376
20M → 21M5399-46#4376#4422
21M → 35K4648-2#4422#4424
35K → 23M6769-2#4424#4426
23M → 24M4362-19#4426#4445
24M → 40K5540+15#4445#4430
40K → 25.2M2623+3#4430#4427
25.2M → Finish3666-30#4427#4457
TOTALS6192366-1747
📊

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