All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Sean Blackmon

Bib: 4032β€’M

TN

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 6%
Gender (Male)
#0 / 16340
Top 10%
Age Group (M18-39)
#0 / 5723
Top 24%
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
19:30
3.11 mi
Rank: #2523
Start β†’ 5K
19:30 | 6:17/mi
10K
38:03
6.21 mi
Rank: #1792 (+731)
5K β†’ 10K
18:33 | 5:59/mi
15K
56:13
9.32 mi
Rank: #1409 (+383)
10K β†’ 15K
18:10 | 5:51/mi
20K
1:14:24
12.43 mi
Rank: #1197 (+212)
15K β†’ 20K
18:11 | 5:52/mi
HALF
1:18:23
13.11 mi
Rank: #1167 (+30)
20K β†’ HALF
3:59 | 5:51/mi
25K
1:32:25
15.53 mi
Rank: #1004 (+163)
HALF β†’ 25K
14:02 | 5:48/mi
30K
1:51:04
18.64 mi
Rank: #922 (+82)
25K β†’ 30K
18:39 | 6:01/mi
20M
1:59:33
20.00 mi
Rank: #954 (-32)
30K β†’ 20M
8:29 | 6:15/mi
21M
2:06:07
21.00 mi
Rank: #972 (-18)
20M β†’ 21M
6:34 | 6:34/mi
35K
2:10:45
21.75 mi
Rank: #990 (-18)
21M β†’ 35K
4:38 | 6:12/mi
23M
2:19:03
23.00 mi
Rank: #1055 (-65)
35K β†’ 23M
8:18 | 6:38/mi
24M
2:25:49
24.00 mi
Rank: #1160 (-105)
23M β†’ 24M
6:46 | 6:46/mi
40K
2:32:34
24.85 mi
Rank: #1357 (-197)
24M β†’ 40K
6:45 | 7:54/mi
25.2M
2:35:49
25.20 mi
Rank: #1473 (-116)
40K β†’ 25.2M
3:15 | 9:26/mi
FINISH
2:43:09
26.22 mi
Rank: #1626 (-153)
25.2M β†’ FINISH
7:20 | 7:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:18:23
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:24:46
Pace6:28 /mi
πŸ“ŠPositive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3819:306:1719:30
6:17
-
10K
6.21 mi10:40:1138:036:0818:33
5:59
-0:18
15K
9.32 mi10:58:2156:136:0218:10
5:51
-0:08
20K
12.43 mi11:16:321:14:246:0018:11
5:52
+0:01
HALF
13.11 mi11:20:311:18:235:593:59
5:51
-0:01
25K
15.53 mi11:34:331:32:255:5714:02
5:48
-0:03
30K
18.64 mi11:53:121:51:045:5818:39
6:01
+0:13
20M
20.00 mi12:01:411:59:335:598:29
6:15
+0:14
21M
21.00 mi12:08:152:06:076:016:34
6:34
+0:19
35K
21.75 mi12:12:532:10:456:014:38
6:12
-0:22
23M
23.00 mi12:21:112:19:036:038:18
6:38
+0:26
24M
24.00 mi12:27:572:25:496:056:46
6:46
+0:08
40K
24.85 mi12:34:422:32:346:096:45
7:54
+1:08
25.2M
25.20 mi12:37:572:35:496:113:15
9:26
+1:32
FINISH
26.22 mi12:45:172:43:096:147:20
7:12
-2:14

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

5:48 /mi

Average Pace

6:14 /mi

Slowest Pace

9:26 /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

0:00

0% of race

Time at Steady Pace

2:19:03

85% of race

Time at Slower Pace

24:06

15% of race

Average Pace: 6:13 /mi

Loading chart...
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 mi10:21:3819:306:1719:30
6:17
#2523
10K
6.21 mi10:40:1138:036:0818:33
5:59
#1792
15K
9.32 mi10:58:2156:136:0218:10
5:51
#1409
20K
12.43 mi11:16:321:14:246:0018:11
5:52
#1197
HALF
13.11 mi11:20:311:18:235:593:59
5:51
#1167
25K
15.53 mi11:34:331:32:255:5714:02
5:48
#1004
30K
18.64 mi11:53:121:51:045:5818:39
6:01
#922
20M
20.00 mi12:01:411:59:335:598:29
6:15
#954
21M
21.00 mi12:08:152:06:076:016:34
6:34
#972
35K
21.75 mi12:12:532:10:456:014:38
6:12
#990
23M
23.00 mi12:21:112:19:036:038:18
6:38
#1055
24M
24.00 mi12:27:572:25:496:056:46
6:46
#1160
40K
24.85 mi12:34:422:32:346:096:45
7:54
#1357
25.2M
25.20 mi12:37:572:35:496:113:15
9:26
#1473
FINISH
26.22 mi12:45:172:43:096:147:20
7:12
#1626
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 mi252324222422785(Top 3%)753(Top 5%)753(Top 13%)
10K6.21 mi3.10 mi1792+7311725+6971725+6971249(Top 4%)1203(Top 7%)1203(Top 21%)
15K9.32 mi3.11 mi1409+3831355+3701355+370785(Top 3%)753(Top 5%)753(Top 13%)
20K12.43 mi3.11 mi1197+2121149+2061149+206683(Top 2%)657(Top 4%)657(Top 11%)
HALF13.11 mi0.68 mi1167+301119+301119+30863(Top 3%)829(Top 5%)829(Top 14%)
25K15.53 mi2.42 mi1004+163964+155964+155520(Top 2%)498(Top 3%)498(Top 9%)
30K18.64 mi3.11 mi922+82884+80884+80697(Top 2%)670(Top 4%)670(Top 12%)
20M20.00 mi1.36 mi954-32916-32916-321337(Top 5%)1284(Top 8%)1284(Top 22%)
21M21.00 mi1.00 mi972-18931-15931-151491(Top 5%)1427(Top 9%)1427(Top 25%)
35K21.75 mi0.75 mi990-18947-16947-161956(Top 7%)1865(Top 11%)1865(Top 33%)
23M23.00 mi1.25 mi1055-651010-631010-633059(Top 11%)2824(Top 17%)2824(Top 49%)
24M24.00 mi1.00 mi1160-1051115-1051115-1054807(Top 17%)4183(Top 26%)4183(Top 73%)
40K24.85 mi0.85 mi1357-1971304-1891304-18911688(Top 40%)8015(Top 49%)8015(Top 140%)
25.2M25.20 mi0.35 mi1473-1161418-1141418-11416844(Top 58%)10331(Top 63%)10331(Top 181%)
FINISH26.22 mi1.02 mi1626-1531564-1461564-1469045(Top 31%)6593(Top 40%)6593(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
Γ—21
+97ft-345ft

Overall

785

Males

753

M18-39

753

5K→10K

3.1 - 6.2 mi

Top 4%
Γ—5
+79ft-138ft

Overall

1249

Males

1203

M18-39

1203

10K→15K

6.2 - 9.3 mi

Top 3%
Γ—3
+67ft-78ft

Overall

785

Males

753

M18-39

753

15K→20K

9.3 - 12.4 mi

Top 2%
Γ—5
+106ft-86ft

Overall

683

Males

657

M18-39

657

20K→HALF

12.4 - 13.1 mi

Top 3%
Γ—2
+19ft-37ft

Overall

863

Males

829

M18-39

829

HALF→25K

13.1 - 15.5 mi

Top 2%
Γ—4
+66ft-88ft

Overall

520

Males

498

M18-39

498

25K→30K

15.5 - 18.6 mi

Top 2%
Γ—9
+181ft-148ft

Overall

697

Males

670

M18-39

670

30K→20M

18.6 - 20.0 mi

Top 5%
Γ—5
+64ft-50ft

Overall

1337

Males

1284

M18-39

1284

20M→21M

20.0 - 21.0 mi

Top 5%
Γ—8
+106ft-24ft

Overall

1491

Males

1427

M18-39

1427

21M→35K

21.0 - 21.8 mi

Top 7%
Γ—7
+17ft-86ft

Overall

1956

Males

1865

M18-39

1865

35K→23M

21.8 - 23.0 mi

Top 11%
Γ—5
+23ft-63ft

Overall

3059

Males

2824

M18-39

2824

23M→24M

23.0 - 24.0 mi

Top 17%
Γ—6
+12ft-82ft

Overall

4807

Males

4183

M18-39

4183

24M→40K

24.0 - 24.9 mi

Top 40%
Γ—1
+6ft-20ft

Overall

11688

Males

8015

M18-39

8015

40K→25.2M

24.9 - 25.2 mi

Top 58%
Γ—1
+13ft-16ft

Overall

16844

Males

10331

M18-39

10331

25.2M→FINISH

25.2 - 26.2 mi

Top 31%
Γ—2
+22ft-21ft

Overall

9045

Males

6593

M18-39

6593

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1663
Passed By
766
Net Change
+897
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#2523
5K β†’ 10K7310+731#2523#1792
10K β†’ 15K3841+383#1792#1409
15K β†’ 20K2131+212#1409#1197
20K β†’ HALF322+30#1197#1167
HALF β†’ 25K1641+163#1167#1004
25K β†’ 30K908+82#1004#922
30K β†’ 20M1143-32#922#954
20M β†’ 21M1230-18#954#972
21M β†’ 35K927-18#972#990
35K β†’ 23M1378-65#990#1055
23M β†’ 24M1106-105#1055#1160
24M β†’ 40K0197-197#1160#1357
40K β†’ 25.2M0116-116#1357#1473
25.2M β†’ FINISH3156-153#1473#1626
TOTALS1663766+897
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

Loading...

🎨Heatmap Timeline

Loading...

πŸ”„Passing Circle

Loading...

🌊Position Flow

Loading...

πŸƒRace Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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