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BOSTON MARATHON 2025

Johan Forsstedt

Bib: 3242•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M40-44)
#0 / 2247
Top 22%
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
6:35/mi
20:26
↑ 97↓ 3451.5%
10K· 6.21 mi
6:40/mi
41:08
↑ 79↓ 1380.4%
15K· 9.32 mi
6:43/mi
1:02:00
↑ 67↓ 78
20K· 12.43 mi
6:41/mi
1:22:45
↑ 106↓ 860.1%
Half· 13.11 mi
6:34/mi
1:27:14
↑ 19↓ 370.5%
25K· 15.53 mi
6:37/mi
1:43:17
↑ 66↓ 880.2%
30K· 18.64 mi
6:49/mi
2:04:27
↑ 181↓ 1480.2%
20M
6:48/mi
2:13:42
↑ 64↓ 500.2%
21M
7:12/mi
2:20:54
↑ 106↓ 241.6%
35K· 21.75 mi
6:40/mi
2:25:53
↑ 17↓ 861.7%
23M
6:46/mi
2:34:21
↑ 23↓ 630.6%
24M
6:39/mi
2:41:00
↓ 821.3%
40K· 24.85 mi
6:49/mi
2:46:50
↓ 200.3%
25.2M
7:21/mi
2:49:22
↑ 13↓ 160.2%
Finish· 26.22 mi
6:46/mi
2:56:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:14
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:29:02
Pace6:48 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3620:266:3520:26
6:35
-
10K
6.21 mi10:42:1841:086:3720:42
6:40
+0:05
15K
9.32 mi11:03:101:02:006:3920:52
6:43
+0:03
20K
12.43 mi11:23:551:22:456:4020:45
6:41
-0:02
Half
13.11 mi11:28:241:27:146:394:29
6:34
-0:07
25K
15.53 mi11:44:271:43:176:3916:03
6:37
+0:03
30K
18.64 mi12:05:372:04:276:4121:10
6:49
+0:12
20M
20.00 mi12:14:522:13:426:419:15
6:48
-0:01
21M
21.00 mi12:22:042:20:546:437:12
7:12
+0:24
35K
21.75 mi12:27:032:25:536:424:59
6:40
-0:32
23M
23.00 mi12:35:312:34:216:438:28
6:46
+0:06
24M
24.00 mi12:42:102:41:006:436:39
6:39
-0:07
40K
24.85 mi12:48:002:46:506:435:50
6:49
+0:10
25.2M
25.20 mi12:50:322:49:226:432:32
7:21
+0:32
Finish
26.22 mi12:57:262:56:166:446:54
6:46
-0:35

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

6:34 /mi

Average Pace

6:44 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:44

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:21:3620:266:3520:26
6:35
#4401
10K
6.21 mi10:42:1841:086:3720:42
6:40
#4653
15K
9.32 mi11:03:101:02:006:3920:52
6:43
#4815
20K
12.43 mi11:23:551:22:456:4020:45
6:41
#4622
Half
13.11 mi11:28:241:27:146:394:29
6:34
#4594
25K
15.53 mi11:44:271:43:176:3916:03
6:37
#4359
30K
18.64 mi12:05:372:04:276:4121:10
6:49
#4128
20M
20.00 mi12:14:522:13:426:419:15
6:48
#4008
21M
21.00 mi12:22:042:20:546:437:12
7:12
#3917
35K
21.75 mi12:27:032:25:536:424:59
6:40
#3872
23M
23.00 mi12:35:312:34:216:438:28
6:46
#3742
24M
24.00 mi12:42:102:41:006:436:39
6:39
#3675
40K
24.85 mi12:48:002:46:506:435:50
6:49
#3610
25.2M
25.20 mi12:50:322:49:226:432:32
7:21
#3565
Finish
26.22 mi12:57:262:56:166:446:54
6:46
#3561
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4401413841385237(Top 18%)4843(Top 30%)4843(Top 216%)
10K6.21 mi3.10 mi4653-2524364-2264364-2265007(Top 18%)4673(Top 29%)4673(Top 208%)
15K9.32 mi3.11 mi4815-1624501-1374501-1375237(Top 18%)4843(Top 30%)4843(Top 216%)
20K12.43 mi3.11 mi4622+1934323+1784323+1784251(Top 15%)3979(Top 25%)3979(Top 177%)
Half13.11 mi0.68 mi4594+284296+274296+274202(Top 15%)3941(Top 24%)3941(Top 175%)
25K15.53 mi2.42 mi4359+2354088+2084088+2083599(Top 13%)3391(Top 21%)3391(Top 151%)
30K18.64 mi3.11 mi4128+2313869+2193869+2193534(Top 12%)3282(Top 20%)3282(Top 146%)
20M20.00 mi1.36 mi4008+1203755+1143755+1142992(Top 11%)2791(Top 17%)2791(Top 124%)
21M21.00 mi1.00 mi3917+913674+813674+813157(Top 11%)2914(Top 18%)2914(Top 130%)
35K21.75 mi0.75 mi3872+453630+443630+443311(Top 12%)3027(Top 19%)3027(Top 135%)
23M23.00 mi1.25 mi3742+1303507+1233507+1232538(Top 9%)2349(Top 15%)2349(Top 105%)
24M24.00 mi1.00 mi3675+673436+713436+712740(Top 10%)2514(Top 16%)2514(Top 112%)
40K24.85 mi0.85 mi3610+653371+653371+652980(Top 10%)2689(Top 17%)2689(Top 120%)
25.2M25.20 mi0.35 mi3565+453330+413330+412788(Top 10%)2490(Top 15%)2490(Top 111%)
Finish26.22 mi1.02 mi3561+43322+83322+84323(Top 15%)3667(Top 23%)3667(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

5237

Males

4843

M40-44

4843

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

5007

Males

4673

M40-44

4673

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

5237

Males

4843

M40-44

4843

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

4251

Males

3979

M40-44

3979

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

4202

Males

3941

M40-44

3941

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3599

Males

3391

M40-44

3391

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3534

Males

3282

M40-44

3282

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

2992

Males

2791

M40-44

2791

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

3157

Males

2914

M40-44

2914

21M→35K

21.0 - 21.8 mi

Top 12%
×7story building
+17ft-86ft

Overall

3311

Males

3027

M40-44

3027

35K→23M

21.8 - 23.0 mi

Top 9%
×5story building
+23ft-63ft

Overall

2538

Males

2349

M40-44

2349

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2740

Males

2514

M40-44

2514

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2980

Males

2689

M40-44

2689

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2788

Males

2490

M40-44

2490

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4323

Males

3667

M40-44

3667

Passing Analysis

Category:
Athletes Passed
1607
Passed By
767
Net Change
+840
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4401
5K → 10K62314-252#4401#4653
10K → 15K62224-162#4653#4815
15K → 20K22633+193#4815#4622
20K → Half3810+28#4622#4594
Half → 25K2427+235#4594#4359
25K → 30K27342+231#4359#4128
30K → 20M1288+120#4128#4008
20M → 21M11120+91#4008#3917
21M → 35K5712+45#3917#3872
35K → 23M1377+130#3872#3742
23M → 24M8417+67#3742#3675
24M → 40K8318+65#3675#3610
40K → 25.2M527+45#3610#3565
25.2M → Finish5248+4#3565#3561
TOTALS1607767+840
📊

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