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BOSTON MARATHON 2026

Aaron Osiek

Bib: 27886•M

NH

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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
25:02
3.11 mi
Rank: #17331
Start → 5K
25:02 | 8:04/mi
10K
49:07
6.21 mi
Rank: #16331 (+1000)
5K → 10K
24:05 | 7:46/mi
15K
1:13:52
9.32 mi
Rank: #16474 (-143)
10K → 15K
24:45 | 7:58/mi
20K
1:37:54
12.43 mi
Rank: #15803 (+671)
15K → 20K
24:02 | 7:45/mi
HALF
1:43:10
13.11 mi
Rank: #15756 (+47)
20K → HALF
5:16 | 7:44/mi
25K
2:02:04
15.53 mi
Rank: #15410 (+346)
HALF → 25K
18:54 | 7:48/mi
30K
2:27:13
18.64 mi
Rank: #15165 (+245)
25K → 30K
25:09 | 8:06/mi
20M
2:38:17
20.00 mi
Rank: #15044 (+121)
30K → 20M
11:04 | 8:09/mi
21M
2:46:51
21.00 mi
Rank: #14911 (+133)
20M → 21M
8:34 | 8:34/mi
35K
2:52:50
21.75 mi
Rank: #14887 (+24)
21M → 35K
5:59 | 8:00/mi
23M
3:03:00
23.00 mi
Rank: #14775 (+112)
35K → 23M
10:10 | 8:08/mi
24M
3:11:11
24.00 mi
Rank: #14772 (+3)
23M → 24M
8:11 | 8:11/mi
40K
3:18:27
24.85 mi
Rank: #14802 (-30)
24M → 40K
7:16 | 8:30/mi
25.2M
3:21:24
25.20 mi
Rank: #14767 (+35)
40K → 25.2M
2:57 | 8:34/mi
FINISH
3:29:20
26.22 mi
Rank: #14718 (+49)
25.2M → FINISH
7:56 | 7:48/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:10
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:46:10
Pace8:06 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3925:028:0425:02
8:04
-
10K
6.21 mi12:10:4449:077:5524:05
7:46
-0:18
15K
9.32 mi12:35:291:13:527:5624:45
7:58
+0:12
20K
12.43 mi12:59:311:37:547:5324:02
7:45
-0:13
HALF
13.11 mi13:04:471:43:107:535:16
7:44
-0:01
25K
15.53 mi13:23:412:02:047:5218:54
7:48
+0:04
30K
18.64 mi13:48:502:27:137:5425:09
8:06
+0:18
20M
20.00 mi13:59:542:38:177:5511:04
8:09
+0:03
21M
21.00 mi14:08:282:46:517:578:34
8:34
+0:25
35K
21.75 mi14:14:272:52:507:575:59
8:00
-0:34
23M
23.00 mi14:24:373:03:007:5810:10
8:08
+0:08
24M
24.00 mi14:32:483:11:117:588:11
8:11
+0:03
40K
24.85 mi14:40:043:18:278:007:16
8:30
+0:19
25.2M
25.20 mi14:43:013:21:248:002:57
8:34
+0:04
FINISH
26.22 mi14:50:573:29:208:007:56
7:48
-0:46

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

7:44 /mi

Average Pace

7:59 /mi

Slowest Pace

8:34 /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

3:17:49

94% of race

Time at Steady Pace

11:31

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:59 /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 mi11:46:3925:028:0425:02
8:04
#17331
10K
6.21 mi12:10:4449:077:5524:05
7:46
#16331
15K
9.32 mi12:35:291:13:527:5624:45
7:58
#16474
20K
12.43 mi12:59:311:37:547:5324:02
7:45
#15803
HALF
13.11 mi13:04:471:43:107:535:16
7:44
#15756
25K
15.53 mi13:23:412:02:047:5218:54
7:48
#15410
30K
18.64 mi13:48:502:27:137:5425:09
8:06
#15165
20M
20.00 mi13:59:542:38:177:5511:04
8:09
#15044
21M
21.00 mi14:08:282:46:517:578:34
8:34
#14911
35K
21.75 mi14:14:272:52:507:575:59
8:00
#14887
23M
23.00 mi14:24:373:03:007:5810:10
8:08
#14775
24M
24.00 mi14:32:483:11:117:588:11
8:11
#14772
40K
24.85 mi14:40:043:18:278:007:16
8:30
#14802
25.2M
25.20 mi14:43:013:21:248:002:57
8:34
#14767
FINISH
26.22 mi14:50:573:29:208:007:56
7:48
#14718
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17331111521115216712(Top 58%)10899(Top 67%)10899(Top 190%)
10K6.21 mi3.10 mi16331+100010731+42110731+42115177(Top 52%)10297(Top 63%)10297(Top 180%)
15K9.32 mi3.11 mi16474-14310784-5310784-5316712(Top 58%)10899(Top 67%)10899(Top 190%)
20K12.43 mi3.11 mi15803+67110503+28110503+28114013(Top 48%)9730(Top 60%)9730(Top 170%)
HALF13.11 mi0.68 mi15756+4710478+2510478+2514891(Top 51%)10174(Top 62%)10174(Top 178%)
25K15.53 mi2.42 mi15410+34610332+14610332+14613779(Top 47%)9564(Top 59%)9564(Top 167%)
30K18.64 mi3.11 mi15165+24510201+13110201+13114166(Top 49%)9631(Top 59%)9631(Top 168%)
20M20.00 mi1.36 mi15044+12110129+7210129+7213852(Top 48%)9387(Top 57%)9387(Top 164%)
21M21.00 mi1.00 mi14911+13310044+8510044+8513541(Top 47%)9155(Top 56%)9155(Top 160%)
35K21.75 mi0.75 mi14887+2410022+2210022+2214450(Top 50%)9519(Top 58%)9519(Top 166%)
23M23.00 mi1.25 mi14775+1129953+699953+6913295(Top 46%)8924(Top 55%)8924(Top 156%)
24M24.00 mi1.00 mi14772+39933+209933+2014946(Top 52%)9586(Top 59%)9586(Top 167%)
40K24.85 mi0.85 mi14802-309923+109923+1015638(Top 54%)9820(Top 60%)9820(Top 172%)
25.2M25.20 mi0.35 mi14767+359901+229901+2211963(Top 41%)8104(Top 50%)8104(Top 142%)
FINISH26.22 mi1.02 mi14718+499868+339868+3313644(Top 47%)8857(Top 54%)8857(Top 155%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16712

Males

10899

M18-39

10899

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

15177

Males

10297

M18-39

10297

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16712

Males

10899

M18-39

10899

15K→20K

9.3 - 12.4 mi

Top 48%
×5
+106ft-86ft

Overall

14013

Males

9730

M18-39

9730

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14891

Males

10174

M18-39

10174

HALF→25K

13.1 - 15.5 mi

Top 47%
×4
+66ft-88ft

Overall

13779

Males

9564

M18-39

9564

25K→30K

15.5 - 18.6 mi

Top 49%
×9
+181ft-148ft

Overall

14166

Males

9631

M18-39

9631

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13852

Males

9387

M18-39

9387

20M→21M

20.0 - 21.0 mi

Top 47%
×8
+106ft-24ft

Overall

13541

Males

9155

M18-39

9155

21M→35K

21.0 - 21.8 mi

Top 50%
×7
+17ft-86ft

Overall

14450

Males

9519

M18-39

9519

35K→23M

21.8 - 23.0 mi

Top 46%
×5
+23ft-63ft

Overall

13295

Males

8924

M18-39

8924

23M→24M

23.0 - 24.0 mi

Top 52%
×6
+12ft-82ft

Overall

14946

Males

9586

M18-39

9586

24M→40K

24.0 - 24.9 mi

Top 54%
×1
+6ft-20ft

Overall

15638

Males

9820

M18-39

9820

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1
+13ft-16ft

Overall

11963

Males

8104

M18-39

8104

25.2M→FINISH

25.2 - 26.2 mi

Top 47%
×2
+22ft-21ft

Overall

13644

Males

8857

M18-39

8857

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3435*
Passed By
727
Net Change
+2613
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17331
5K → 10K1050*50+1000#17331#16331
10K → 15K152200-143#16331#16474
15K → 20K687*16+671#16474#15803
20K → HALF6619+47#15803#15756
HALF → 25K355*9+346#15756#15410
25K → 30K326*81+245#15410#15165
30K → 20M15635+121#15165#15044
20M → 21M16936+133#15044#14911
21M → 35K5834+24#14911#14887
35K → 23M15543+112#14887#14775
23M → 24M7976+3#14775#14772
24M → 40K5181-30#14772#14802
40K → 25.2M4510+35#14802#14767
25.2M → FINISH8637+49#14767#14718
TOTALS3435*727+2613

* 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