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BOSTON MARATHON 2025

Jon Magnussen

WA

Bib: 5721 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 35%
Gender (Male)
#0 / 16105
Top 48%
Masters (Masters Men)
#0 / 10463
Top 37%
Division (M55-59)
#0 / 1648
Top 19%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:54/mi
21:26
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:49/mi
42:37
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:51/mi
1:03:54
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:03/mi
1:25:48
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:59/mi
1:30:34
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:18/mi
1:48:16
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:08/mi
2:13:32
↑ 181↓ 1480.2%
138 ft elev
20M
8:28/mi
2:25:03
↑ 64↓ 500.2%
148 ft elev
21M
9:31/mi
2:34:34
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:35/mi
2:40:59
↑ 17↓ 861.7%
156 ft elev
23M
8:50/mi
2:52:03
↑ 23↓ 630.6%
116 ft elev
24M
7:59/mi
3:00:02
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:45/mi
3:07:31
↓ 200.3%
20 ft elev
25.2M
9:37/mi
3:10:50
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:28/mi
3:19:28
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:30:346:55 /mi⚡ faster
2nd Half
1:48:548:18 /mi+20.2%
Positive split — 20.2% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:266:543.11 mi21:26
6:54
-
10K
42:376:523.10 mi21:11
6:49
-0:05
15K
1:03:546:513.11 mi21:17
6:51
+0:02
20K
1:25:486:543.11 mi21:54
7:03
+0:12
Half(13.11 mi)
1:30:346:550.68 mi4:46
6:59
-0:04
25K
1:48:166:582.42 mi17:42
7:18
+0:19
30K
2:13:327:103.11 mi25:16
8:08
+0:50
20M
2:25:037:151.36 mi11:31
8:28
+0:20
21M
2:34:347:221.00 mi9:31
9:31
+1:03
35K
2:40:597:240.75 mi6:25
8:35
-0:56
23M
2:52:037:291.25 mi11:04
8:50
+0:15
24M
3:00:027:301.00 mi7:59
7:59
-0:51
40K
3:07:317:330.85 mi7:29
8:45
+0:46
25.2M
3:10:507:340.35 mi3:19
9:37
+0:52
Finish(26.22 mi)
3:19:287:371.02 mi8:38
8:28
-1:09
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:49 /mi

Average Pace

7:37 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:48:16

54% of race

Time at Steady Pace

59:49

30% of race

Time at Slower Pace

31:23

16% of race

Average Pace: 7:36 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi707763646364659159425942
10K3.10 mi6830+2476160+2046160+204660859745974
15K3.11 mi6722+1086063+976063+97659159425942
20K3.11 mi6857-1356173-1106173-110718963396339
Half(13.11 mi)0.68 mi6899-426199-266199-26750565956595
25K2.42 mi7062-1636302-1036302-103836669816981
30K3.11 mi7774-7126738-4366738-4361231388208820
20M1.36 mi8149-3756931-1936931-1931358892519251
21M1.00 mi8638-4897191-2607191-260161321030010300
35K0.75 mi8925-2877336-1457336-145158801010710107
23M1.25 mi9335-4107525-1897525-1891529497569756
24M1.00 mi9390-557522+37522+31109177157715
40K0.85 mi9610-2207602-807602-801488093779377
25.2M0.35 mi9713-1037636-347636-341509994389438
Finish(26.22 mi)1.02 mi9984-2717748-1127748-1121599799299929

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6591

Males

5942

M55-59

5942

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6608

Males

5974

M55-59

5974

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6591

Males

5942

M55-59

5942

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

7189

Males

6339

M55-59

6339

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

7505

Males

6595

M55-59

6595

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8366

Males

6981

M55-59

6981

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12313

Males

8820

M55-59

8820

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13588

Males

9251

M55-59

9251

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16132

Males

10300

M55-59

10300

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15880

Males

10107

M55-59

10107

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15294

Males

9756

M55-59

9756

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11091

Males

7715

M55-59

7715

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14880

Males

9377

M55-59

9377

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15099

Males

9438

M55-59

9438

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

15997

Males

9929

M55-59

9929

Passing Analysis

Category:
Passed
981
Passed By
3888
Net Change
-2907
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7077
5K → 10K32578+247#7077#6830
10K → 15K20294+108#6830#6722
15K → 20K87222-135#6722#6857
20K → Half1759-42#6857#6899
Half → 25K75238-163#6899#7062
25K → 30K57769-712#7062#7774
30K → 20M30405-375#7774#8149
20M → 21M14503-489#8149#8638
21M → 35K15302-287#8638#8925
35K → 23M39449-410#8925#9335
23M → 24M64119-55#9335#9390
24M → 40K27247-220#9390#9610
40K → 25.2M14117-103#9610#9713
25.2M → Finish15286-271#9713#9984
TOTALS9813888-2907

Passing Charts

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