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BOSTON MARATHON 2026

Jake Corsi

Bib: 761β€’M

VA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 2%
Gender (Male)
#0 / 16340
Top 3%
Age Group (M18-39)
#0 / 5723
Top 8%
Race Day Weather
51Β°/41Β°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
17:56
3.11 mi
Rank: #595
Start β†’ 5K
17:56 | 5:47/mi
10K
35:48
6.21 mi
Rank: #591 (+4)
5K β†’ 10K
17:52 | 5:46/mi
15K
53:38
9.32 mi
Rank: #573 (+18)
10K β†’ 15K
17:50 | 5:45/mi
20K
1:11:34
12.43 mi
Rank: #559 (+14)
15K β†’ 20K
17:56 | 5:47/mi
HALF
1:15:30
13.11 mi
Rank: #561 (-2)
20K β†’ HALF
3:56 | 5:47/mi
25K
1:29:30
15.53 mi
Rank: #547 (+14)
HALF β†’ 25K
14:00 | 5:47/mi
30K
1:48:04
18.64 mi
Rank: #536 (+11)
25K β†’ 30K
18:34 | 5:59/mi
20M
1:56:12
20.00 mi
Rank: #526 (+10)
30K β†’ 20M
8:08 | 6:00/mi
21M
2:02:30
21.00 mi
Rank: #528 (-2)
20M β†’ 21M
6:18 | 6:18/mi
35K
2:06:55
21.75 mi
Rank: #538 (-10)
21M β†’ 35K
4:25 | 5:55/mi
23M
2:14:26
23.00 mi
Rank: #531 (+7)
35K β†’ 23M
7:31 | 6:01/mi
24M
2:20:21
24.00 mi
Rank: #535 (-4)
23M β†’ 24M
5:55 | 5:55/mi
40K
2:25:31
24.85 mi
Rank: #526 (+9)
24M β†’ 40K
5:10 | 6:03/mi
25.2M
2:27:46
25.20 mi
Rank: #525 (+1)
40K β†’ 25.2M
2:15 | 6:32/mi
FINISH
2:33:55
26.22 mi
Rank: #543 (-18)
25.2M β†’ FINISH
6:09 | 6:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:15:30
Pace5:46 /mi
2nd Half
Distance13.11 mi
Time1:18:25
Pace5:59 /mi
πŸ“ŠPositive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:0517:565:4717:56
5:47
-
10K
6.21 mi10:35:5735:485:4617:52
5:46
-0:01
15K
9.32 mi10:53:4753:385:4617:50
5:45
-0:01
20K
12.43 mi11:11:431:11:345:4617:56
5:47
+0:02
HALF
13.11 mi11:15:391:15:305:463:56
5:47
0:00
25K
15.53 mi11:29:391:29:305:4614:00
5:47
0:00
30K
18.64 mi11:48:131:48:045:4818:34
5:59
+0:12
20M
20.00 mi11:56:211:56:125:498:08
6:00
+0:01
21M
21.00 mi12:02:392:02:305:516:18
6:18
+0:18
35K
21.75 mi12:07:042:06:555:514:25
5:55
-0:23
23M
23.00 mi12:14:352:14:265:517:31
6:01
+0:06
24M
24.00 mi12:20:302:20:215:515:55
5:55
-0:06
40K
24.85 mi12:25:402:25:315:525:10
6:03
+0:08
25.2M
25.20 mi12:27:552:27:465:522:15
6:32
+0:29
FINISH
26.22 mi12:34:042:33:555:536:09
6:03
-0:29

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

5:45 /mi

Average Pace

5:52 /mi

Slowest Pace

6:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:31:40

99% of race

Time at Steady Pace

2:15

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:52 /mi

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Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:18:0517:565:4717:56
5:47
#595
10K
6.21 mi10:35:5735:485:4617:52
5:46
#591
15K
9.32 mi10:53:4753:385:4617:50
5:45
#573
20K
12.43 mi11:11:431:11:345:4617:56
5:47
#559
HALF
13.11 mi11:15:391:15:305:463:56
5:47
#561
25K
15.53 mi11:29:391:29:305:4614:00
5:47
#547
30K
18.64 mi11:48:131:48:045:4818:34
5:59
#536
20M
20.00 mi11:56:211:56:125:498:08
6:00
#526
21M
21.00 mi12:02:392:02:305:516:18
6:18
#528
35K
21.75 mi12:07:042:06:555:514:25
5:55
#538
23M
23.00 mi12:14:352:14:265:517:31
6:01
#531
24M
24.00 mi12:20:302:20:215:515:55
5:55
#535
40K
24.85 mi12:25:402:25:315:525:10
6:03
#526
25.2M
25.20 mi12:27:552:27:465:522:15
6:32
#525
FINISH
26.22 mi12:34:042:33:555:536:09
6:03
#543
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 mi595559559568(Top 2%)542(Top 3%)542(Top 9%)
10K6.21 mi3.10 mi591+4556+3556+3601(Top 2%)575(Top 4%)575(Top 10%)
15K9.32 mi3.11 mi573+18542+14542+14568(Top 2%)542(Top 3%)542(Top 9%)
20K12.43 mi3.11 mi559+14533+9533+9535(Top 2%)511(Top 3%)511(Top 9%)
HALF13.11 mi0.68 mi561-2535-2535-2693(Top 2%)669(Top 4%)669(Top 12%)
25K15.53 mi2.42 mi547+14521+14521+14501(Top 2%)479(Top 3%)479(Top 8%)
30K18.64 mi3.11 mi536+11512+9512+9634(Top 2%)607(Top 4%)607(Top 11%)
20M20.00 mi1.36 mi526+10502+10502+10632(Top 2%)607(Top 4%)607(Top 11%)
21M21.00 mi1.00 mi528-2504-2504-2747(Top 3%)714(Top 4%)714(Top 12%)
35K21.75 mi0.75 mi538-10514-10514-10914(Top 3%)876(Top 5%)876(Top 15%)
23M23.00 mi1.25 mi531+7508+6508+6709(Top 2%)677(Top 4%)677(Top 12%)
24M24.00 mi1.00 mi535-4511-3511-3853(Top 3%)814(Top 5%)814(Top 14%)
40K24.85 mi0.85 mi526+9502+9502+9891(Top 3%)852(Top 5%)852(Top 15%)
25.2M25.20 mi0.35 mi525+1501+1501+11030(Top 4%)972(Top 6%)972(Top 17%)
FINISH26.22 mi1.02 mi543-18518-17518-171807(Top 6%)1679(Top 10%)1679(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
Γ—21
+97ft-345ft

Overall

568

Males

542

M18-39

542

5K→10K

3.1 - 6.2 mi

Top 2%
Γ—5
+79ft-138ft

Overall

601

Males

575

M18-39

575

10K→15K

6.2 - 9.3 mi

Top 2%
Γ—3
+67ft-78ft

Overall

568

Males

542

M18-39

542

15K→20K

9.3 - 12.4 mi

Top 2%
Γ—5
+106ft-86ft

Overall

535

Males

511

M18-39

511

20K→HALF

12.4 - 13.1 mi

Top 2%
Γ—2
+19ft-37ft

Overall

693

Males

669

M18-39

669

HALF→25K

13.1 - 15.5 mi

Top 2%
Γ—4
+66ft-88ft

Overall

501

Males

479

M18-39

479

25K→30K

15.5 - 18.6 mi

Top 2%
Γ—9
+181ft-148ft

Overall

634

Males

607

M18-39

607

30K→20M

18.6 - 20.0 mi

Top 2%
Γ—5
+64ft-50ft

Overall

632

Males

607

M18-39

607

20M→21M

20.0 - 21.0 mi

Top 3%
Γ—8
+106ft-24ft

Overall

747

Males

714

M18-39

714

21M→35K

21.0 - 21.8 mi

Top 3%
Γ—7
+17ft-86ft

Overall

914

Males

876

M18-39

876

35K→23M

21.8 - 23.0 mi

Top 2%
Γ—5
+23ft-63ft

Overall

709

Males

677

M18-39

677

23M→24M

23.0 - 24.0 mi

Top 3%
Γ—6
+12ft-82ft

Overall

853

Males

814

M18-39

814

24M→40K

24.0 - 24.9 mi

Top 3%
Γ—1
+6ft-20ft

Overall

891

Males

852

M18-39

852

40K→25.2M

24.9 - 25.2 mi

Top 4%
Γ—1
+13ft-16ft

Overall

1030

Males

972

M18-39

972

25.2M→FINISH

25.2 - 26.2 mi

Top 6%
Γ—2
+22ft-21ft

Overall

1807

Males

1679

M18-39

1679

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
222
Passed By
170
Net Change
+52
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#595
5K β†’ 10K4541+4#595#591
10K β†’ 15K2810+18#591#573
15K β†’ 20K217+14#573#559
20K β†’ HALF46-2#559#561
HALF β†’ 25K228+14#561#547
25K β†’ 30K2716+11#547#536
30K β†’ 20M155+10#536#526
20M β†’ 21M1012-2#526#528
21M β†’ 35K515-10#528#538
35K β†’ 23M169+7#538#531
23M β†’ 24M812-4#531#535
24M β†’ 40K178+9#535#526
40K β†’ 25.2M21+1#526#525
25.2M β†’ FINISH220-18#525#543
TOTALS222170+52
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing