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BOSTON MARATHON 2025

Bjorn Soderstrom

Bib: 13336•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 28%
Gender (Male)
#0 / 16105
Top 41%
Masters (Masters Men)
#0 / 10463
Top 28%
Division (M55-59)
#0 / 1648
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:30
Rank: #9825
Start → 5K
22:30 | 7:15/mi
10K· 6.21 mi
45:10
Rank: #10068 (-243)
5K → 10K
22:40 | 7:18/mi
15K· 9.32 mi
1:07:44
Rank: #9907 (+161)
10K → 15K
22:34 | 7:16/mi
20K· 12.43 mi
1:30:24
Rank: #9631 (+276)
15K → 20K
22:40 | 7:18/mi
Half· 13.11 mi
1:35:15
Rank: #9550 (+81)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:52:52
Rank: #9267 (+283)
Half → 25K
17:37 | 7:16/mi
30K· 18.64 mi
2:16:16
Rank: #8927 (+340)
25K → 30K
23:24 | 7:32/mi
20M
2:26:26
Rank: #8713 (+214)
30K → 20M
10:10 | 7:29/mi
21M
2:34:22
Rank: #8558 (+155)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:39:53
Rank: #8488 (+70)
21M → 35K
5:31 | 7:22/mi
23M
2:49:18
Rank: #8311 (+177)
35K → 23M
9:25 | 7:31/mi
24M
2:56:36
Rank: #8172 (+139)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
3:02:55
Rank: #8054 (+118)
24M → 40K
6:19 | 7:23/mi
25.2M
3:05:40
Rank: #7992 (+62)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:12:57
Rank: #7879 (+113)
25.2M → Finish
7:17 | 7:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:15
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:37:42
Pace7:27 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4922:307:1522:30
7:15
-
10K
6.21 mi11:14:2945:107:1622:40
7:18
+0:03
15K
9.32 mi11:37:031:07:447:1622:34
7:16
-0:02
20K
12.43 mi11:59:431:30:247:1622:40
7:18
+0:02
Half
13.11 mi12:04:341:35:157:164:51
7:07
-0:11
25K
15.53 mi12:22:111:52:527:1617:37
7:16
+0:09
30K
18.64 mi12:45:352:16:167:1923:24
7:32
+0:16
20M
20.00 mi12:55:452:26:267:1910:10
7:29
-0:03
21M
21.00 mi13:03:412:34:227:217:56
7:56
+0:27
35K
21.75 mi13:09:122:39:537:215:31
7:22
-0:34
23M
23.00 mi13:18:372:49:187:229:25
7:31
+0:09
24M
24.00 mi13:25:552:56:367:227:18
7:18
-0:13
40K
24.85 mi13:32:143:02:557:226:19
7:23
+0:05
25.2M
25.20 mi13:34:593:05:407:222:45
7:58
+0:35
Finish
26.22 mi13:42:163:12:577:227:17
7:09
-0:49

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

7:07 /mi

Average Pace

7:22 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02:16

94% of race

Time at Steady Pace

10:41

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:22 /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 mi10:51:4922:307:1522:30
7:15
#9825
10K
6.21 mi11:14:2945:107:1622:40
7:18
#10068
15K
9.32 mi11:37:031:07:447:1622:34
7:16
#9907
20K
12.43 mi11:59:431:30:247:1622:40
7:18
#9631
Half
13.11 mi12:04:341:35:157:164:51
7:07
#9550
25K
15.53 mi12:22:111:52:527:1617:37
7:16
#9267
30K
18.64 mi12:45:352:16:167:1923:24
7:32
#8927
20M
20.00 mi12:55:452:26:267:1910:10
7:29
#8713
21M
21.00 mi13:03:412:34:227:217:56
7:56
#8558
35K
21.75 mi13:09:122:39:537:215:31
7:22
#8488
23M
23.00 mi13:18:372:49:187:229:25
7:31
#8311
24M
24.00 mi13:25:552:56:367:227:18
7:18
#8172
40K
24.85 mi13:32:143:02:557:226:19
7:23
#8054
25.2M
25.20 mi13:34:593:05:407:222:45
7:58
#7992
Finish
26.22 mi13:42:163:12:577:227:17
7:09
#7879
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi9825806680669662(Top 34%)7897(Top 49%)7897(Top 479%)
10K6.21 mi3.10 mi10068-2438196-1308196-13010292(Top 36%)8300(Top 52%)8300(Top 504%)
15K9.32 mi3.11 mi9907+1618079+1178079+1179662(Top 34%)7897(Top 49%)7897(Top 479%)
20K12.43 mi3.11 mi9631+2767904+1757904+1759010(Top 32%)7453(Top 46%)7453(Top 452%)
Half13.11 mi0.68 mi9550+817852+527852+528315(Top 29%)7084(Top 44%)7084(Top 430%)
25K15.53 mi2.42 mi9267+2837672+1807672+1808094(Top 28%)6819(Top 42%)6819(Top 414%)
30K18.64 mi3.11 mi8927+3407419+2537419+2537961(Top 28%)6561(Top 41%)6561(Top 398%)
20M20.00 mi1.36 mi8713+2147265+1547265+1546875(Top 24%)5760(Top 36%)5760(Top 350%)
21M21.00 mi1.00 mi8558+1557148+1177148+1176982(Top 25%)5672(Top 35%)5672(Top 344%)
35K21.75 mi0.75 mi8488+707077+717077+717696(Top 27%)6113(Top 38%)6113(Top 371%)
23M23.00 mi1.25 mi8311+1776936+1416936+1416736(Top 24%)5438(Top 34%)5438(Top 330%)
24M24.00 mi1.00 mi8172+1396808+1286808+1286416(Top 23%)5171(Top 32%)5171(Top 314%)
40K24.85 mi0.85 mi8054+1186702+1066702+1066132(Top 22%)4932(Top 31%)4932(Top 299%)
25.2M25.20 mi0.35 mi7992+626652+506652+505804(Top 20%)4629(Top 29%)4629(Top 281%)
Finish26.22 mi1.02 mi7879+1136554+986554+986683(Top 24%)5143(Top 32%)5143(Top 312%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9662

Males

7897

M55-59

7897

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10292

Males

8300

M55-59

8300

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9662

Males

7897

M55-59

7897

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9010

Males

7453

M55-59

7453

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8315

Males

7084

M55-59

7084

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

8094

Males

6819

M55-59

6819

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7961

Males

6561

M55-59

6561

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6875

Males

5760

M55-59

5760

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6982

Males

5672

M55-59

5672

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7696

Males

6113

M55-59

6113

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6736

Males

5438

M55-59

5438

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6416

Males

5171

M55-59

5171

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6132

Males

4932

M55-59

4932

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5804

Males

4629

M55-59

4629

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6683

Males

5143

M55-59

5143

Passing Analysis

Category:
Athletes Passed
2722*
Passed By
774
Net Change
+1946
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9825
5K → 10K135376-243#9825#10068
10K → 15K265*104+161#10068#9907
15K → 20K32650+276#9907#9631
20K → Half887+81#9631#9550
Half → 25K30926+283#9550#9267
25K → 30K40767+340#9267#8927
30K → 20M22511+214#8927#8713
20M → 21M17823+155#8713#8558
21M → 35K9626+70#8558#8488
35K → 23M20326+177#8488#8311
23M → 24M15415+139#8311#8172
24M → 40K13113+118#8172#8054
40K → 25.2M664+62#8054#7992
25.2M → Finish13926+113#7992#7879
TOTALS2722*774+1946

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

📊

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