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BOSTON MARATHON 2026

Sam Johnsrud

Bib: 9681•M

MN

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 35%
Gender (Male)
#0 / 16340
Top 48%
Masters (Masters Men)
#0 / 10617
Top 37%
Age Group (M45-49)
#0 / 2413
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
22:05
3.11 mi
Rank: #9409
Start → 5K
22:05 | 7:07/mi
10K
44:49
6.21 mi
Rank: #10313 (-904)
5K → 10K
22:44 | 7:20/mi
15K
1:07:00
9.32 mi
Rank: #10033 (+280)
10K → 15K
22:11 | 7:09/mi
20K
1:29:34
12.43 mi
Rank: #9947 (+86)
15K → 20K
22:34 | 7:16/mi
HALF
1:34:27
13.11 mi
Rank: #9951 (-4)
20K → HALF
4:53 | 7:10/mi
25K
1:51:59
15.53 mi
Rank: #9778 (+173)
HALF → 25K
17:32 | 7:14/mi
30K
2:15:54
18.64 mi
Rank: #9974 (-196)
25K → 30K
23:55 | 7:42/mi
20M
2:26:11
20.00 mi
Rank: #9929 (+45)
30K → 20M
10:17 | 7:35/mi
21M
2:34:18
21.00 mi
Rank: #9926 (+3)
20M → 21M
8:07 | 8:07/mi
35K
2:39:54
21.75 mi
Rank: #9923 (+3)
21M → 35K
5:36 | 7:30/mi
23M
2:49:45
23.00 mi
Rank: #9985 (-62)
35K → 23M
9:51 | 7:53/mi
24M
2:57:27
24.00 mi
Rank: #10051 (-66)
23M → 24M
7:42 | 7:42/mi
40K
3:04:09
24.85 mi
Rank: #10076 (-25)
24M → 40K
6:42 | 7:51/mi
25.2M
3:07:23
25.20 mi
Rank: #10202 (-126)
40K → 25.2M
3:14 | 9:23/mi
FINISH
3:14:52
26.22 mi
Rank: #10182 (+20)
25.2M → FINISH
7:29 | 7:21/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:34:27
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:40:25
Pace7:40 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:4522:057:0722:05
7:07
-
10K
6.21 mi11:01:2944:497:1322:44
7:20
+0:13
15K
9.32 mi11:23:401:07:007:1222:11
7:09
-0:11
20K
12.43 mi11:46:141:29:347:1322:34
7:16
+0:07
HALF
13.11 mi11:51:071:34:277:134:53
7:10
-0:06
25K
15.53 mi12:08:391:51:597:1317:32
7:14
+0:04
30K
18.64 mi12:32:342:15:547:1823:55
7:42
+0:28
20M
20.00 mi12:42:512:26:117:1910:17
7:35
-0:07
21M
21.00 mi12:50:582:34:187:218:07
8:07
+0:32
35K
21.75 mi12:56:342:39:547:225:36
7:30
-0:37
23M
23.00 mi13:06:252:49:457:239:51
7:53
+0:23
24M
24.00 mi13:14:072:57:277:247:42
7:42
-0:11
40K
24.85 mi13:20:493:04:097:256:42
7:51
+0:09
25.2M
25.20 mi13:24:033:07:237:273:14
9:23
+1:32
FINISH
26.22 mi13:31:323:14:527:277:29
7:21
-2:02

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

7:07 /mi

Average Pace

7:26 /mi

Slowest Pace

9:23 /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

49:09

25% of race

Time at Steady Pace

1:57:49

60% of race

Time at Slower Pace

27:54

14% of race

Average Pace: 7:26 /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 mi10:38:4522:057:0722:05
7:07
#9409
10K
6.21 mi11:01:2944:497:1322:44
7:20
#10313
15K
9.32 mi11:23:401:07:007:1222:11
7:09
#10033
20K
12.43 mi11:46:141:29:347:1322:34
7:16
#9947
HALF
13.11 mi11:51:071:34:277:134:53
7:10
#9951
25K
15.53 mi12:08:391:51:597:1317:32
7:14
#9778
30K
18.64 mi12:32:342:15:547:1823:55
7:42
#9974
20M
20.00 mi12:42:512:26:117:1910:17
7:35
#9929
21M
21.00 mi12:50:582:34:187:218:07
8:07
#9926
35K
21.75 mi12:56:342:39:547:225:36
7:30
#9923
23M
23.00 mi13:06:252:49:457:239:51
7:53
#9985
24M
24.00 mi13:14:072:57:277:247:42
7:42
#10051
40K
24.85 mi13:20:493:04:097:256:42
7:51
#10076
25.2M
25.20 mi13:24:033:07:237:273:14
9:23
#10202
FINISH
26.22 mi13:31:323:14:527:277:29
7:21
#10182
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9409777677769596(Top 33%)7817(Top 48%)7817(Top 324%)
10K6.21 mi3.10 mi10313-9048222-4468222-44611304(Top 39%)8658(Top 53%)8658(Top 359%)
15K9.32 mi3.11 mi10033+2808075+1478075+1479596(Top 33%)7817(Top 48%)7817(Top 324%)
20K12.43 mi3.11 mi9947+867997+787997+789863(Top 34%)7858(Top 48%)7858(Top 326%)
HALF13.11 mi0.68 mi9951-4799779979944(Top 34%)7951(Top 49%)7951(Top 330%)
25K15.53 mi2.42 mi9778+1737881+1167881+1169114(Top 31%)7392(Top 45%)7392(Top 306%)
30K18.64 mi3.11 mi9974-1967916-357916-3511199(Top 39%)8287(Top 51%)8287(Top 343%)
20M20.00 mi1.36 mi9929+457869+477869+479591(Top 33%)7378(Top 45%)7378(Top 306%)
21M21.00 mi1.00 mi9926+37851+187851+1810628(Top 37%)7789(Top 48%)7789(Top 323%)
35K21.75 mi0.75 mi9923+37823+287823+2810682(Top 37%)7799(Top 48%)7799(Top 323%)
23M23.00 mi1.25 mi9985-627825-27825-211504(Top 40%)8109(Top 50%)8109(Top 336%)
24M24.00 mi1.00 mi10051-667826-17826-111503(Top 40%)8009(Top 49%)8009(Top 332%)
40K24.85 mi0.85 mi10076-257819+77819+711276(Top 39%)7830(Top 48%)7830(Top 324%)
25.2M25.20 mi0.35 mi10202-1267868-497868-4916630(Top 57%)10238(Top 63%)10238(Top 424%)
FINISH26.22 mi1.02 mi10182+207825+437825+4310186(Top 35%)7216(Top 44%)7216(Top 299%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21
+97ft-345ft

Overall

9596

Males

7817

M45-49

7817

5K→10K

3.1 - 6.2 mi

Top 39%
×5
+79ft-138ft

Overall

11304

Males

8658

M45-49

8658

10K→15K

6.2 - 9.3 mi

Top 33%
×3
+67ft-78ft

Overall

9596

Males

7817

M45-49

7817

15K→20K

9.3 - 12.4 mi

Top 34%
×5
+106ft-86ft

Overall

9863

Males

7858

M45-49

7858

20K→HALF

12.4 - 13.1 mi

Top 34%
×2
+19ft-37ft

Overall

9944

Males

7951

M45-49

7951

HALF→25K

13.1 - 15.5 mi

Top 31%
×4
+66ft-88ft

Overall

9114

Males

7392

M45-49

7392

25K→30K

15.5 - 18.6 mi

Top 39%
×9
+181ft-148ft

Overall

11199

Males

8287

M45-49

8287

30K→20M

18.6 - 20.0 mi

Top 33%
×5
+64ft-50ft

Overall

9591

Males

7378

M45-49

7378

20M→21M

20.0 - 21.0 mi

Top 37%
×8
+106ft-24ft

Overall

10628

Males

7789

M45-49

7789

21M→35K

21.0 - 21.8 mi

Top 37%
×7
+17ft-86ft

Overall

10682

Males

7799

M45-49

7799

35K→23M

21.8 - 23.0 mi

Top 40%
×5
+23ft-63ft

Overall

11504

Males

8109

M45-49

8109

23M→24M

23.0 - 24.0 mi

Top 40%
×6
+12ft-82ft

Overall

11503

Males

8009

M45-49

8009

24M→40K

24.0 - 24.9 mi

Top 39%
×1
+6ft-20ft

Overall

11276

Males

7830

M45-49

7830

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1
+13ft-16ft

Overall

16630

Males

10238

M45-49

10238

25.2M→FINISH

25.2 - 26.2 mi

Top 35%
×2
+22ft-21ft

Overall

10186

Males

7216

M45-49

7216

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1515*
Passed By
2281
Net Change
-773
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9409
5K → 10K34936-904#9409#10313
10K → 15K34464+280#10313#10033
15K → 20K197*111+86#10033#9947
20K → HALF3135-4#9947#9951
HALF → 25K20936+173#9951#9778
25K → 30K123319-196#9778#9974
30K → 20M11064+45#9974#9929
20M → 21M7773+3#9929#9926
21M → 35K6258+3#9926#9923
35K → 23M98160-62#9923#9985
23M → 24M66131-66#9985#10051
24M → 40K6186-25#10051#10076
40K → 25.2M15140-126#10076#10202
25.2M → FINISH8868+20#10202#10182
TOTALS1515*2281-773

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing