Bjorn Soderstrom

Bib: 14275M

MI

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Top 43%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 45%
Age Group (M60-64)
#0 / 1514
Top 9%
Race Day Weather
51°/41°F
overcast 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
23:18
3.11 mi
Rank: #12761
Start5K
23:18 | 7:30/mi
10K
46:46
6.21 mi
Rank: #13054 (-293)
5K10K
23:28 | 7:34/mi
15K
1:10:10
9.32 mi
Rank: #13035 (+19)
10K15K
23:24 | 7:32/mi
20K
1:33:46
12.43 mi
Rank: #12987 (+48)
15K20K
23:36 | 7:36/mi
HALF
1:38:53
13.11 mi
Rank: #12990 (-3)
20KHALF
5:07 | 7:31/mi
25K
1:57:37
15.53 mi
Rank: #13023 (-33)
HALF25K
18:44 | 7:44/mi
30K
2:22:00
18.64 mi
Rank: #12847 (+176)
25K30K
24:23 | 7:51/mi
20M
2:32:46
20.00 mi
Rank: #12778 (+69)
30K20M
10:46 | 7:56/mi
21M
2:41:03
21.00 mi
Rank: #12707 (+71)
20M21M
8:17 | 8:17/mi
35K
2:46:52
21.75 mi
Rank: #12705 (+2)
21M35K
5:49 | 7:47/mi
23M
2:56:51
23.00 mi
Rank: #12655 (+50)
35K23M
9:59 | 7:59/mi
24M
3:04:40
24.00 mi
Rank: #12630 (+25)
23M24M
7:49 | 7:49/mi
40K
3:11:20
24.85 mi
Rank: #12546 (+84)
24M40K
6:40 | 7:48/mi
25.2M
3:14:11
25.20 mi
Rank: #12490 (+56)
40K25.2M
2:51 | 8:16/mi
FINISH
3:21:51
26.22 mi
Rank: #12426 (+64)
25.2MFINISH
7:40 | 7:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:53
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:42:58
Pace7:52 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:1223:187:3023:18
7:30
-
10K
6.21 mi11:31:4046:467:3223:28
7:34
+0:04
15K
9.32 mi11:55:041:10:107:3223:24
7:32
-0:02
20K
12.43 mi12:18:401:33:467:3323:36
7:36
+0:04
HALF
13.11 mi12:23:471:38:537:335:07
7:31
-0:05
25K
15.53 mi12:42:311:57:377:3518:44
7:44
+0:13
30K
18.64 mi13:06:542:22:007:3824:23
7:51
+0:07
20M
20.00 mi13:17:402:32:467:3910:46
7:56
+0:05
21M
21.00 mi13:25:572:41:037:418:17
8:17
+0:21
35K
21.75 mi13:31:462:46:527:415:49
7:47
-0:30
23M
23.00 mi13:41:452:56:517:429:59
7:59
+0:12
24M
24.00 mi13:49:343:04:407:427:49
7:49
-0:10
40K
24.85 mi13:56:143:11:207:426:40
7:48
-0:01
25.2M
25.20 mi13:59:053:14:117:432:51
8:16
+0:28
FINISH
26.22 mi14:06:453:21:517:437:40
7:32
-0:44

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

7:30 /mi

Average Pace

7:42 /mi

Slowest Pace

8:17 /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

3:10:43

94% of race

Time at Steady Pace

11:08

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:42 /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 mi11:08:1223:187:3023:18
7:30
#12761
10K
6.21 mi11:31:4046:467:3223:28
7:34
#13054
15K
9.32 mi11:55:041:10:107:3223:24
7:32
#13035
20K
12.43 mi12:18:401:33:467:3323:36
7:36
#12987
HALF
13.11 mi12:23:471:38:537:335:07
7:31
#12990
25K
15.53 mi12:42:311:57:377:3518:44
7:44
#13023
30K
18.64 mi13:06:542:22:007:3824:23
7:51
#12847
20M
20.00 mi13:17:402:32:467:3910:46
7:56
#12778
21M
21.00 mi13:25:572:41:037:418:17
8:17
#12707
35K
21.75 mi13:31:462:46:527:415:49
7:47
#12705
23M
23.00 mi13:41:452:56:517:429:59
7:59
#12655
24M
24.00 mi13:49:343:04:407:427:49
7:49
#12630
40K
24.85 mi13:56:143:11:207:426:40
7:48
#12546
25.2M
25.20 mi13:59:053:14:117:432:51
8:16
#12490
FINISH
26.22 mi14:06:453:21:517:437:40
7:32
#12426
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi127619363936313075(Top 45%)9396(Top 58%)9396(Top 621%)
10K6.21 mi3.10 mi13054-2939449-869449-8613396(Top 46%)9569(Top 59%)9569(Top 632%)
15K9.32 mi3.11 mi13035+199421+289421+2813075(Top 45%)9396(Top 58%)9396(Top 621%)
20K12.43 mi3.11 mi12987+489367+549367+5412791(Top 44%)9195(Top 56%)9195(Top 607%)
HALF13.11 mi0.68 mi12990-39362+59362+513012(Top 45%)9361(Top 57%)9361(Top 618%)
25K15.53 mi2.42 mi13023-339356+69356+613224(Top 46%)9311(Top 57%)9311(Top 615%)
30K18.64 mi3.11 mi12847+1769233+1239233+12312320(Top 42%)8794(Top 54%)8794(Top 581%)
20M20.00 mi1.36 mi12778+699170+639170+6312279(Top 42%)8688(Top 53%)8688(Top 574%)
21M21.00 mi1.00 mi12707+719114+569114+5611728(Top 40%)8307(Top 51%)8307(Top 549%)
35K21.75 mi0.75 mi12705+29104+109104+1012826(Top 44%)8795(Top 54%)8795(Top 581%)
23M23.00 mi1.25 mi12655+509069+359069+3512276(Top 42%)8484(Top 52%)8484(Top 560%)
24M24.00 mi1.00 mi12630+259043+269043+2612408(Top 43%)8428(Top 52%)8428(Top 557%)
40K24.85 mi0.85 mi12546+848982+618982+6110992(Top 38%)7703(Top 47%)7703(Top 509%)
25.2M25.20 mi0.35 mi12490+568947+358947+3510006(Top 34%)7156(Top 44%)7156(Top 473%)
FINISH26.22 mi1.02 mi12426+648893+548893+5411582(Top 40%)7901(Top 48%)7901(Top 522%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21
+97ft-345ft

Overall

13075

Males

9396

M60-64

9396

5K→10K

3.1 - 6.2 mi

Top 46%
×5
+79ft-138ft

Overall

13396

Males

9569

M60-64

9569

10K→15K

6.2 - 9.3 mi

Top 45%
×3
+67ft-78ft

Overall

13075

Males

9396

M60-64

9396

15K→20K

9.3 - 12.4 mi

Top 44%
×5
+106ft-86ft

Overall

12791

Males

9195

M60-64

9195

20K→HALF

12.4 - 13.1 mi

Top 45%
×2
+19ft-37ft

Overall

13012

Males

9361

M60-64

9361

HALF→25K

13.1 - 15.5 mi

Top 46%
×4
+66ft-88ft

Overall

13224

Males

9311

M60-64

9311

25K→30K

15.5 - 18.6 mi

Top 42%
×9
+181ft-148ft

Overall

12320

Males

8794

M60-64

8794

30K→20M

18.6 - 20.0 mi

Top 42%
×5
+64ft-50ft

Overall

12279

Males

8688

M60-64

8688

20M→21M

20.0 - 21.0 mi

Top 40%
×8
+106ft-24ft

Overall

11728

Males

8307

M60-64

8307

21M→35K

21.0 - 21.8 mi

Top 44%
×7
+17ft-86ft

Overall

12826

Males

8795

M60-64

8795

35K→23M

21.8 - 23.0 mi

Top 42%
×5
+23ft-63ft

Overall

12276

Males

8484

M60-64

8484

23M→24M

23.0 - 24.0 mi

Top 43%
×6
+12ft-82ft

Overall

12408

Males

8428

M60-64

8428

24M→40K

24.0 - 24.9 mi

Top 38%
×1
+6ft-20ft

Overall

10992

Males

7703

M60-64

7703

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1
+13ft-16ft

Overall

10006

Males

7156

M60-64

7156

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
×2
+22ft-21ft

Overall

11582

Males

7901

M60-64

7901

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 7 hours ago. This usually takes 10-20 minutes. Please check back shortly.

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing