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

Casey Sullivan

Bib: 33024β€’M

MA

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
33:18
3.11 mi
Rank: #27558
Start β†’ 5K
33:18 | 10:44/mi
10K
1:04:45
6.21 mi
Rank: #26866 (+692)
5K β†’ 10K
31:27 | 10:08/mi
15K
1:35:07
9.32 mi
Rank: #26302 (+564)
10K β†’ 15K
30:22 | 9:47/mi
20K
2:05:26
12.43 mi
Rank: #25843 (+459)
15K β†’ 20K
30:19 | 9:46/mi
HALF
2:11:55
13.11 mi
Rank: #25754 (+89)
20K β†’ HALF
6:29 | 9:31/mi
25K
2:35:33
15.53 mi
Rank: #25428 (+326)
HALF β†’ 25K
23:38 | 9:45/mi
30K
3:05:47
18.64 mi
Rank: #24899 (+529)
25K β†’ 30K
30:14 | 9:44/mi
20M
3:18:37
20.00 mi
Rank: #24645 (+254)
30K β†’ 20M
12:50 | 9:27/mi
21M
3:28:19
21.00 mi
Rank: #24405 (+240)
20M β†’ 21M
9:42 | 9:42/mi
35K
3:35:21
21.75 mi
Rank: #24302 (+103)
21M β†’ 35K
7:02 | 9:25/mi
23M
3:47:36
23.00 mi
Rank: #24111 (+191)
35K β†’ 23M
12:15 | 9:48/mi
24M
3:57:44
24.00 mi
Rank: #24058 (+53)
23M β†’ 24M
10:08 | 10:08/mi
40K
4:06:19
24.85 mi
Rank: #23981 (+77)
24M β†’ 40K
8:35 | 10:03/mi
25.2M
4:10:03
25.20 mi
Rank: #23949 (+32)
40K β†’ 25.2M
3:44 | 10:50/mi
FINISH
4:18:47
26.22 mi
Rank: #23788 (+161)
25.2M β†’ FINISH
8:44 | 8:35/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time2:11:55
Pace10:04 /mi
2nd Halfβœ“ Faster
Distance13.11 mi
Time2:06:52
Pace9:41 /mi
πŸ“ŠNegative Split: 3.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:04:3833:1810:4433:18
10:44
-
10K
6.21 mi12:36:051:04:4510:2631:27
10:08
-0:36
15K
9.32 mi13:06:271:35:0710:1330:22
9:47
-0:21
20K
12.43 mi13:36:462:05:2610:0630:19
9:46
-0:01
HALF
13.11 mi13:43:152:11:5510:046:29
9:31
-0:15
25K
15.53 mi14:06:532:35:3310:0123:38
9:45
+0:14
30K
18.64 mi14:37:073:05:479:5830:14
9:44
-0:01
20M
20.00 mi14:49:573:18:379:5612:50
9:27
-0:17
21M
21.00 mi14:59:393:28:199:569:42
9:42
+0:15
35K
21.75 mi15:06:413:35:219:557:02
9:25
-0:17
23M
23.00 mi15:18:563:47:369:5412:15
9:48
+0:23
24M
24.00 mi15:29:043:57:449:5510:08
10:08
+0:20
40K
24.85 mi15:37:394:06:199:558:35
10:03
-0:05
25.2M
25.20 mi15:41:234:10:039:563:44
10:50
+0:47
FINISH
26.22 mi15:50:074:18:479:538:44
8:35
-2:15

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

8:35 /mi

Average Pace

9:53 /mi

Slowest Pace

10:50 /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

28:36

11% of race

Time at Steady Pace

2:22:59

55% of race

Time at Slower Pace

1:27:12

34% of race

Average Pace: 9:52 /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 mi12:04:3833:1810:4433:18
10:44
#27558
10K
6.21 mi12:36:051:04:4510:2631:27
10:08
#26866
15K
9.32 mi13:06:271:35:0710:1330:22
9:47
#26302
20K
12.43 mi13:36:462:05:2610:0630:19
9:46
#25843
HALF
13.11 mi13:43:152:11:5510:046:29
9:31
#25754
25K
15.53 mi14:06:532:35:3310:0123:38
9:45
#25428
30K
18.64 mi14:37:073:05:479:5830:14
9:44
#24899
20M
20.00 mi14:49:573:18:379:5612:50
9:27
#24645
21M
21.00 mi14:59:393:28:199:569:42
9:42
#24405
35K
21.75 mi15:06:413:35:219:557:02
9:25
#24302
23M
23.00 mi15:18:563:47:369:5412:15
9:48
#24111
24M
24.00 mi15:29:043:57:449:5510:08
10:08
#24058
40K
24.85 mi15:37:394:06:199:558:35
10:03
#23981
25.2M
25.20 mi15:41:234:10:039:563:44
10:50
#23949
FINISH
26.22 mi15:50:074:18:479:538:44
8:35
#23788
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 mi27558158621586225139(Top 87%)14788(Top 91%)14788(Top 258%)
10K6.21 mi3.10 mi26866+69215552+31015552+31026144(Top 90%)15244(Top 93%)15244(Top 266%)
15K9.32 mi3.11 mi26302+56415310+24215310+24225139(Top 87%)14788(Top 91%)14788(Top 258%)
20K12.43 mi3.11 mi25843+45915123+18715123+18724448(Top 84%)14442(Top 88%)14442(Top 252%)
HALF13.11 mi0.68 mi25754+8915074+4915074+4924383(Top 84%)14392(Top 88%)14392(Top 251%)
25K15.53 mi2.42 mi25428+32614909+16514909+16523672(Top 82%)14026(Top 86%)14026(Top 245%)
30K18.64 mi3.11 mi24899+52914635+27414635+27422368(Top 77%)13324(Top 82%)13324(Top 233%)
20M20.00 mi1.36 mi24645+25414505+13014505+13020870(Top 72%)12518(Top 77%)12518(Top 219%)
21M21.00 mi1.00 mi24405+24014372+13314372+13319379(Top 67%)11794(Top 72%)11794(Top 206%)
35K21.75 mi0.75 mi24302+10314313+5914313+5921475(Top 74%)12715(Top 78%)12715(Top 222%)
23M23.00 mi1.25 mi24111+19114197+11614197+11621529(Top 74%)12698(Top 78%)12698(Top 222%)
24M24.00 mi1.00 mi24058+5314154+4314154+4323168(Top 80%)13448(Top 82%)13448(Top 235%)
40K24.85 mi0.85 mi23981+7714103+5114103+5122038(Top 76%)12840(Top 79%)12840(Top 224%)
25.2M25.20 mi0.35 mi23949+3214082+2114082+2121935(Top 76%)12816(Top 78%)12816(Top 224%)
FINISH26.22 mi1.02 mi23788+16113997+8513997+8518531(Top 64%)11161(Top 68%)11161(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
Γ—21
+97ft-345ft

Overall

25139

Males

14788

M18-39

14788

5K→10K

3.1 - 6.2 mi

Top 90%
Γ—5
+79ft-138ft

Overall

26144

Males

15244

M18-39

15244

10K→15K

6.2 - 9.3 mi

Top 87%
Γ—3
+67ft-78ft

Overall

25139

Males

14788

M18-39

14788

15K→20K

9.3 - 12.4 mi

Top 84%
Γ—5
+106ft-86ft

Overall

24448

Males

14442

M18-39

14442

20K→HALF

12.4 - 13.1 mi

Top 84%
Γ—2
+19ft-37ft

Overall

24383

Males

14392

M18-39

14392

HALF→25K

13.1 - 15.5 mi

Top 82%
Γ—4
+66ft-88ft

Overall

23672

Males

14026

M18-39

14026

25K→30K

15.5 - 18.6 mi

Top 77%
Γ—9
+181ft-148ft

Overall

22368

Males

13324

M18-39

13324

30K→20M

18.6 - 20.0 mi

Top 72%
Γ—5
+64ft-50ft

Overall

20870

Males

12518

M18-39

12518

20M→21M

20.0 - 21.0 mi

Top 67%
Γ—8
+106ft-24ft

Overall

19379

Males

11794

M18-39

11794

21M→35K

21.0 - 21.8 mi

Top 74%
Γ—7
+17ft-86ft

Overall

21475

Males

12715

M18-39

12715

35K→23M

21.8 - 23.0 mi

Top 74%
Γ—5
+23ft-63ft

Overall

21529

Males

12698

M18-39

12698

23M→24M

23.0 - 24.0 mi

Top 80%
Γ—6
+12ft-82ft

Overall

23168

Males

13448

M18-39

13448

24M→40K

24.0 - 24.9 mi

Top 76%
Γ—1
+6ft-20ft

Overall

22038

Males

12840

M18-39

12840

40K→25.2M

24.9 - 25.2 mi

Top 76%
Γ—1
+13ft-16ft

Overall

21935

Males

12816

M18-39

12816

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
Γ—2
+22ft-21ft

Overall

18531

Males

11161

M18-39

11161

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3833*
Passed By
63
Net Change
+3770
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27558
5K β†’ 10K706*14+692#27558#26866
10K β†’ 15K564*0+564#26866#26302
15K β†’ 20K462*3+459#26302#25843
20K β†’ HALF901+89#25843#25754
HALF β†’ 25K327*1+326#25754#25428
25K β†’ 30K530*1+529#25428#24899
30K β†’ 20M255*1+254#24899#24645
20M β†’ 21M240*0+240#24645#24405
21M β†’ 35K1052+103#24405#24302
35K β†’ 23M1932+191#24302#24111
23M β†’ 24M7522+53#24111#24058
24M β†’ 40K869+77#24058#23981
40K β†’ 25.2M375+32#23981#23949
25.2M β†’ FINISH1632+161#23949#23788
TOTALS3833*63+3770

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

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