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BOSTON MARATHON 2026

Jon Sheehan

Bib: 1423•M

MA

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0:00
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Overall
#0 / 29021
Top 28%
Gender (Male)
#0 / 16340
Top 41%
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
20:19
3.11 mi
Rank: #4507
Start → 5K
20:19 | 6:33/mi
10K
40:32
6.21 mi
Rank: #4377 (+130)
5K → 10K
20:13 | 6:31/mi
15K
1:00:34
9.32 mi
Rank: #4156 (+221)
10K → 15K
20:02 | 6:27/mi
20K
1:20:38
12.43 mi
Rank: #3971 (+185)
15K → 20K
20:04 | 6:28/mi
HALF
1:24:59
13.11 mi
Rank: #3950 (+21)
20K → HALF
4:21 | 6:23/mi
25K
1:40:52
15.53 mi
Rank: #3900 (+50)
HALF → 25K
15:53 | 6:33/mi
30K
2:02:11
18.64 mi
Rank: #4012 (-112)
25K → 30K
21:19 | 6:52/mi
20M
2:11:52
20.00 mi
Rank: #4129 (-117)
30K → 20M
9:41 | 7:08/mi
21M
2:19:40
21.00 mi
Rank: #4321 (-192)
20M → 21M
7:48 | 7:48/mi
35K
2:25:04
21.75 mi
Rank: #4444 (-123)
21M → 35K
5:24 | 7:14/mi
23M
2:36:01
23.00 mi
Rank: #5268 (-824)
35K → 23M
10:57 | 8:45/mi
24M
2:46:14
24.00 mi
Rank: #6462 (-1194)
23M → 24M
10:13 | 10:13/mi
40K
2:57:10
24.85 mi
Rank: #7780 (-1318)
24M → 40K
10:56 | 12:48/mi
25.2M
3:00:13
25.20 mi
Rank: #7848 (-68)
40K → 25.2M
3:03 | 8:51/mi
FINISH
3:08:19
26.22 mi
Rank: #8104 (-256)
25.2M → FINISH
8:06 | 7:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:24:59
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:43:20
Pace7:53 /mi
📊Positive Split: 21.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4020:196:3320:19
6:33
-
10K
6.21 mi10:40:5340:326:3220:13
6:31
-0:02
15K
9.32 mi11:00:551:00:346:3020:02
6:27
-0:04
20K
12.43 mi11:20:591:20:386:3020:04
6:28
+0:01
HALF
13.11 mi11:25:201:24:596:294:21
6:23
-0:05
25K
15.53 mi11:41:131:40:526:3015:53
6:33
+0:10
30K
18.64 mi12:02:322:02:116:3421:19
6:52
+0:19
20M
20.00 mi12:12:132:11:526:369:41
7:08
+0:16
21M
21.00 mi12:20:012:19:406:407:48
7:48
+0:40
35K
21.75 mi12:25:252:25:046:415:24
7:14
-0:34
23M
23.00 mi12:36:222:36:016:4810:57
8:45
+1:31
24M
24.00 mi12:46:352:46:146:5610:13
10:13
+1:28
40K
24.85 mi12:57:312:57:107:0810:56
12:48
+2:35
25.2M
25.20 mi13:00:343:00:137:103:03
8:51
-3:57
FINISH
26.22 mi13:08:403:08:197:128:06
7:57
-0:54

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

6:23 /mi

Average Pace

7:11 /mi

Slowest Pace

12:48 /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

0:00

0% of race

Time at Steady Pace

2:33:10

81% of race

Time at Slower Pace

35:09

19% of race

Average Pace: 7:11 /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 mi10:20:4020:196:3320:19
6:33
#4507
10K
6.21 mi10:40:5340:326:3220:13
6:31
#4377
15K
9.32 mi11:00:551:00:346:3020:02
6:27
#4156
20K
12.43 mi11:20:591:20:386:3020:04
6:28
#3971
HALF
13.11 mi11:25:201:24:596:294:21
6:23
#3950
25K
15.53 mi11:41:131:40:526:3015:53
6:33
#3900
30K
18.64 mi12:02:322:02:116:3421:19
6:52
#4012
20M
20.00 mi12:12:132:11:526:369:41
7:08
#4129
21M
21.00 mi12:20:012:19:406:407:48
7:48
#4321
35K
21.75 mi12:25:252:25:046:415:24
7:14
#4444
23M
23.00 mi12:36:222:36:016:4810:57
8:45
#5268
24M
24.00 mi12:46:352:46:146:5610:13
10:13
#6462
40K
24.85 mi12:57:312:57:107:0810:56
12:48
#7780
25.2M
25.20 mi13:00:343:00:137:103:03
8:51
#7848
FINISH
26.22 mi13:08:403:08:197:128:06
7:57
#8104
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 mi4507424642463856(Top 13%)3670(Top 22%)3670(Top 64%)
10K6.21 mi3.10 mi4377+1304138+1084138+1084292(Top 15%)4063(Top 25%)4063(Top 71%)
15K9.32 mi3.11 mi4156+2213941+1973941+1973856(Top 13%)3670(Top 22%)3670(Top 64%)
20K12.43 mi3.11 mi3971+1853781+1603781+1603523(Top 12%)3367(Top 21%)3367(Top 59%)
HALF13.11 mi0.68 mi3950+213760+213760+213656(Top 13%)3497(Top 21%)3497(Top 61%)
25K15.53 mi2.42 mi3900+503711+493711+493788(Top 13%)3578(Top 22%)3578(Top 63%)
30K18.64 mi3.11 mi4012-1123789-783789-784870(Top 17%)4425(Top 27%)4425(Top 77%)
20M20.00 mi1.36 mi4129-1173887-983887-986469(Top 22%)5556(Top 34%)5556(Top 97%)
21M21.00 mi1.00 mi4321-1924054-1674054-1678487(Top 29%)6646(Top 41%)6646(Top 116%)
35K21.75 mi0.75 mi4444-1234152-984152-988641(Top 30%)6761(Top 41%)6761(Top 118%)
23M23.00 mi1.25 mi5268-8244821-6694821-66917151(Top 59%)10572(Top 65%)10572(Top 185%)
24M24.00 mi1.00 mi6462-11945710-8895710-88923372(Top 81%)13545(Top 83%)13545(Top 237%)
40K24.85 mi0.85 mi7780-13186552-8426552-84226839(Top 92%)15176(Top 93%)15176(Top 265%)
25.2M25.20 mi0.35 mi7848-686578-266578-2613668(Top 47%)8880(Top 54%)8880(Top 155%)
FINISH26.22 mi1.02 mi8104-2566701-1236701-12314797(Top 51%)9403(Top 58%)9403(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21
+97ft-345ft

Overall

3856

Males

3670

M18-39

3670

5K→10K

3.1 - 6.2 mi

Top 15%
×5
+79ft-138ft

Overall

4292

Males

4063

M18-39

4063

10K→15K

6.2 - 9.3 mi

Top 13%
×3
+67ft-78ft

Overall

3856

Males

3670

M18-39

3670

15K→20K

9.3 - 12.4 mi

Top 12%
×5
+106ft-86ft

Overall

3523

Males

3367

M18-39

3367

20K→HALF

12.4 - 13.1 mi

Top 13%
×2
+19ft-37ft

Overall

3656

Males

3497

M18-39

3497

HALF→25K

13.1 - 15.5 mi

Top 13%
×4
+66ft-88ft

Overall

3788

Males

3578

M18-39

3578

25K→30K

15.5 - 18.6 mi

Top 17%
×9
+181ft-148ft

Overall

4870

Males

4425

M18-39

4425

30K→20M

18.6 - 20.0 mi

Top 22%
×5
+64ft-50ft

Overall

6469

Males

5556

M18-39

5556

20M→21M

20.0 - 21.0 mi

Top 29%
×8
+106ft-24ft

Overall

8487

Males

6646

M18-39

6646

21M→35K

21.0 - 21.8 mi

Top 30%
×7
+17ft-86ft

Overall

8641

Males

6761

M18-39

6761

35K→23M

21.8 - 23.0 mi

Top 59%
×5
+23ft-63ft

Overall

17151

Males

10572

M18-39

10572

23M→24M

23.0 - 24.0 mi

Top 81%
×6
+12ft-82ft

Overall

23372

Males

13545

M18-39

13545

24M→40K

24.0 - 24.9 mi

Top 92%
×1
+6ft-20ft

Overall

26839

Males

15176

M18-39

15176

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1
+13ft-16ft

Overall

13668

Males

8880

M18-39

8880

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14797

Males

9403

M18-39

9403

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
973*
Passed By
1735
Net Change
-3597
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4507
5K → 10K218*88+130#4507#4377
10K → 15K248*27+221#4377#4156
15K → 20K204*19+185#4156#3971
20K → HALF287+21#3971#3950
HALF → 25K9848+50#3950#3900
25K → 30K64176-112#3900#4012
30K → 20M33150-117#4012#4129
20M → 21M15200-192#4129#4321
21M → 35K16139-123#4321#4444
35K → 23M8200-824#4444#5268
23M → 24M5200-1194#5268#6462
24M → 40K4200-1318#6462#7780
40K → 25.2M1381-68#7780#7848
25.2M → FINISH19200-256#7848#8104
TOTALS973*1735-3597

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

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing