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

Samuel Grossman

Bib: 8883•M

CO

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Top 28%
Gender (Male)
#0 / 16340
Top 41%
Masters (Masters Men)
#0 / 10617
Top 28%
Age Group (M40-44)
#0 / 2198
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
21:59
3.11 mi
Rank: #9148
Start → 5K
21:59 | 7:05/mi
10K
43:46
6.21 mi
Rank: #8911 (+237)
5K → 10K
21:47 | 7:01/mi
15K
1:05:36
9.32 mi
Rank: #8827 (+84)
10K → 15K
21:50 | 7:02/mi
20K
1:27:31
12.43 mi
Rank: #8666 (+161)
15K → 20K
21:55 | 7:04/mi
HALF
1:32:16
13.11 mi
Rank: #8639 (+27)
20K → HALF
4:45 | 6:59/mi
25K
1:49:43
15.53 mi
Rank: #8626 (+13)
HALF → 25K
17:27 | 7:12/mi
30K
2:12:52
18.64 mi
Rank: #8651 (-25)
25K → 30K
23:09 | 7:28/mi
20M
2:23:01
20.00 mi
Rank: #8619 (+32)
30K → 20M
10:09 | 7:29/mi
21M
2:30:50
21.00 mi
Rank: #8565 (+54)
20M → 21M
7:49 | 7:49/mi
35K
2:36:12
21.75 mi
Rank: #8515 (+50)
21M → 35K
5:22 | 7:11/mi
23M
2:45:18
23.00 mi
Rank: #8408 (+107)
35K → 23M
9:06 | 7:17/mi
24M
2:52:26
24.00 mi
Rank: #8322 (+86)
23M → 24M
7:08 | 7:08/mi
40K
2:58:39
24.85 mi
Rank: #8258 (+64)
24M → 40K
6:13 | 7:17/mi
25.2M
3:01:23
25.20 mi
Rank: #8230 (+28)
40K → 25.2M
2:44 | 7:56/mi
FINISH
3:08:34
26.22 mi
Rank: #8181 (+49)
25.2M → FINISH
7:11 | 7:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:16
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:36:18
Pace7:21 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:0221:597:0521:59
7:05
-
10K
6.21 mi10:59:4943:467:0321:47
7:01
-0:04
15K
9.32 mi11:21:391:05:367:0321:50
7:02
+0:01
20K
12.43 mi11:43:341:27:317:0321:55
7:04
+0:02
HALF
13.11 mi11:48:191:32:167:034:45
6:59
-0:05
25K
15.53 mi12:05:461:49:437:0417:27
7:12
+0:13
30K
18.64 mi12:28:552:12:527:0823:09
7:28
+0:16
20M
20.00 mi12:39:042:23:017:1010:09
7:29
+0:01
21M
21.00 mi12:46:532:30:507:117:49
7:49
+0:20
35K
21.75 mi12:52:152:36:127:115:22
7:11
-0:38
23M
23.00 mi13:01:212:45:187:129:06
7:17
+0:06
24M
24.00 mi13:08:292:52:267:127:08
7:08
-0:09
40K
24.85 mi13:14:422:58:397:126:13
7:17
+0:09
25.2M
25.20 mi13:17:263:01:237:122:44
7:56
+0:39
FINISH
26.22 mi13:24:373:08:347:127:11
7:03
-0:53

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

6:59 /mi

Average Pace

7:12 /mi

Slowest Pace

7:56 /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

2:58:01

94% of race

Time at Steady Pace

10:33

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:12 /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 mi10:38:0221:597:0521:59
7:05
#9148
10K
6.21 mi10:59:4943:467:0321:47
7:01
#8911
15K
9.32 mi11:21:391:05:367:0321:50
7:02
#8827
20K
12.43 mi11:43:341:27:317:0321:55
7:04
#8666
HALF
13.11 mi11:48:191:32:167:034:45
6:59
#8639
25K
15.53 mi12:05:461:49:437:0417:27
7:12
#8626
30K
18.64 mi12:28:552:12:527:0823:09
7:28
#8651
20M
20.00 mi12:39:042:23:017:1010:09
7:29
#8619
21M
21.00 mi12:46:532:30:507:117:49
7:49
#8565
35K
21.75 mi12:52:152:36:127:115:22
7:11
#8515
23M
23.00 mi13:01:212:45:187:129:06
7:17
#8408
24M
24.00 mi13:08:292:52:267:127:08
7:08
#8322
40K
24.85 mi13:14:422:58:397:126:13
7:17
#8258
25.2M
25.20 mi13:17:263:01:237:122:44
7:56
#8230
FINISH
26.22 mi13:24:373:08:347:127:11
7:03
#8181
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi9148764376438735(Top 30%)7316(Top 45%)7316(Top 333%)
10K6.21 mi3.10 mi8911+2377462+1817462+1818756(Top 30%)7350(Top 45%)7350(Top 334%)
15K9.32 mi3.11 mi8827+847408+547408+548735(Top 30%)7316(Top 45%)7316(Top 333%)
20K12.43 mi3.11 mi8666+1617288+1207288+1208236(Top 28%)6980(Top 43%)6980(Top 318%)
HALF13.11 mi0.68 mi8639+277262+267262+268402(Top 29%)7101(Top 43%)7101(Top 323%)
25K15.53 mi2.42 mi8626+137243+197243+198826(Top 30%)7214(Top 44%)7214(Top 328%)
30K18.64 mi3.11 mi8651-257219+247219+249255(Top 32%)7307(Top 45%)7307(Top 332%)
20M20.00 mi1.36 mi8619+327167+527167+528909(Top 31%)7008(Top 43%)7008(Top 319%)
21M21.00 mi1.00 mi8565+547108+597108+598614(Top 30%)6718(Top 41%)6718(Top 306%)
35K21.75 mi0.75 mi8515+507057+517057+518319(Top 29%)6590(Top 40%)6590(Top 300%)
23M23.00 mi1.25 mi8408+1076970+876970+877255(Top 25%)5914(Top 36%)5914(Top 269%)
24M24.00 mi1.00 mi8322+866893+776893+777370(Top 25%)5901(Top 36%)5901(Top 268%)
40K24.85 mi0.85 mi8258+646831+626831+627238(Top 25%)5744(Top 35%)5744(Top 261%)
25.2M25.20 mi0.35 mi8230+286797+346797+347848(Top 27%)6018(Top 37%)6018(Top 274%)
FINISH26.22 mi1.02 mi8181+496746+516746+517938(Top 27%)6011(Top 37%)6011(Top 273%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21
+97ft-345ft

Overall

8735

Males

7316

M40-44

7316

5K→10K

3.1 - 6.2 mi

Top 30%
×5
+79ft-138ft

Overall

8756

Males

7350

M40-44

7350

10K→15K

6.2 - 9.3 mi

Top 30%
×3
+67ft-78ft

Overall

8735

Males

7316

M40-44

7316

15K→20K

9.3 - 12.4 mi

Top 28%
×5
+106ft-86ft

Overall

8236

Males

6980

M40-44

6980

20K→HALF

12.4 - 13.1 mi

Top 29%
×2
+19ft-37ft

Overall

8402

Males

7101

M40-44

7101

HALF→25K

13.1 - 15.5 mi

Top 30%
×4
+66ft-88ft

Overall

8826

Males

7214

M40-44

7214

25K→30K

15.5 - 18.6 mi

Top 32%
×9
+181ft-148ft

Overall

9255

Males

7307

M40-44

7307

30K→20M

18.6 - 20.0 mi

Top 31%
×5
+64ft-50ft

Overall

8909

Males

7008

M40-44

7008

20M→21M

20.0 - 21.0 mi

Top 30%
×8
+106ft-24ft

Overall

8614

Males

6718

M40-44

6718

21M→35K

21.0 - 21.8 mi

Top 29%
×7
+17ft-86ft

Overall

8319

Males

6590

M40-44

6590

35K→23M

21.8 - 23.0 mi

Top 25%
×5
+23ft-63ft

Overall

7255

Males

5914

M40-44

5914

23M→24M

23.0 - 24.0 mi

Top 25%
×6
+12ft-82ft

Overall

7370

Males

5901

M40-44

5901

24M→40K

24.0 - 24.9 mi

Top 25%
×1
+6ft-20ft

Overall

7238

Males

5744

M40-44

5744

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1
+13ft-16ft

Overall

7848

Males

6018

M40-44

6018

25.2M→FINISH

25.2 - 26.2 mi

Top 27%
×2
+22ft-21ft

Overall

7938

Males

6011

M40-44

6011

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1831*
Passed By
864
Net Change
+967
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9148
5K → 10K353*116+237#9148#8911
10K → 15K189105+84#8911#8827
15K → 20K214*53+161#8827#8666
20K → HALF3811+27#8666#8639
HALF → 25K116103+13#8639#8626
25K → 30K157182-25#8626#8651
30K → 20M10674+32#8651#8619
20M → 21M9945+54#8619#8565
21M → 35K7828+50#8565#8515
35K → 23M13124+107#8515#8408
23M → 24M12539+86#8408#8322
24M → 40K8824+64#8322#8258
40K → 25.2M4719+28#8258#8230
25.2M → FINISH9041+49#8230#8181
TOTALS1831*864+967

* 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

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race 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