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

Samuel Gellin

Bib: 31081•M

DC

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
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
25:52
3.11 mi
Rank: #19012
Start → 5K
25:52 | 8:20/mi
10K
49:49
6.21 mi
Rank: #17197 (+1815)
5K → 10K
23:57 | 7:43/mi
15K
1:13:00
9.32 mi
Rank: #15694 (+1503)
10K → 15K
23:11 | 7:28/mi
20K
1:37:15
12.43 mi
Rank: #15373 (+321)
15K → 20K
24:15 | 7:49/mi
HALF
1:42:30
13.11 mi
Rank: #15332 (+41)
20K → HALF
5:15 | 7:43/mi
25K
2:01:44
15.53 mi
Rank: #15224 (+108)
HALF → 25K
19:14 | 7:56/mi
30K
2:27:31
18.64 mi
Rank: #15304 (-80)
25K → 30K
25:47 | 8:18/mi
20M
2:39:10
20.00 mi
Rank: #15407 (-103)
30K → 20M
11:39 | 8:35/mi
21M
2:48:26
21.00 mi
Rank: #15515 (-108)
20M → 21M
9:16 | 9:16/mi
35K
2:54:50
21.75 mi
Rank: #15613 (-98)
21M → 35K
6:24 | 8:34/mi
23M
3:06:33
23.00 mi
Rank: #15932 (-319)
35K → 23M
11:43 | 9:22/mi
24M
3:15:18
24.00 mi
Rank: #16033 (-101)
23M → 24M
8:45 | 8:45/mi
40K
3:22:59
24.85 mi
Rank: #16111 (-78)
24M → 40K
7:41 | 9:00/mi
25.2M
3:26:21
25.20 mi
Rank: #16151 (-40)
40K → 25.2M
3:22 | 9:46/mi
FINISH
3:35:16
26.22 mi
Rank: #16300 (-149)
25.2M → FINISH
8:55 | 8:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:30
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:52:46
Pace8:37 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:5525:528:2025:52
8:20
-
10K
6.21 mi12:18:5249:498:0223:57
7:43
-0:37
15K
9.32 mi12:42:031:13:007:5023:11
7:28
-0:15
20K
12.43 mi13:06:181:37:157:5024:15
7:49
+0:21
HALF
13.11 mi13:11:331:42:307:505:15
7:43
-0:06
25K
15.53 mi13:30:472:01:447:5119:14
7:56
+0:13
30K
18.64 mi13:56:342:27:317:5525:47
8:18
+0:22
20M
20.00 mi14:08:132:39:107:5811:39
8:35
+0:17
21M
21.00 mi14:17:292:48:268:029:16
9:16
+0:41
35K
21.75 mi14:23:532:54:508:036:24
8:34
-0:42
23M
23.00 mi14:35:363:06:338:0711:43
9:22
+0:48
24M
24.00 mi14:44:213:15:188:098:45
8:45
-0:37
40K
24.85 mi14:52:023:22:598:117:41
9:00
+0:15
25.2M
25.20 mi14:55:243:26:218:123:22
9:46
+0:46
FINISH
26.22 mi15:04:193:35:168:138:55
8:45
-1:01

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

7:28 /mi

Average Pace

8:13 /mi

Slowest Pace

9:46 /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

1:35:52

45% of race

Time at Steady Pace

1:27:22

41% of race

Time at Slower Pace

32:02

15% of race

Average Pace: 8:13 /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 mi11:54:5525:528:2025:52
8:20
#19012
10K
6.21 mi12:18:5249:498:0223:57
7:43
#17197
15K
9.32 mi12:42:031:13:007:5023:11
7:28
#15694
20K
12.43 mi13:06:181:37:157:5024:15
7:49
#15373
HALF
13.11 mi13:11:331:42:307:505:15
7:43
#15332
25K
15.53 mi13:30:472:01:447:5119:14
7:56
#15224
30K
18.64 mi13:56:342:27:317:5525:47
8:18
#15304
20M
20.00 mi14:08:132:39:107:5811:39
8:35
#15407
21M
21.00 mi14:17:292:48:268:029:16
9:16
#15515
35K
21.75 mi14:23:532:54:508:036:24
8:34
#15613
23M
23.00 mi14:35:363:06:338:0711:43
9:22
#15932
24M
24.00 mi14:44:213:15:188:098:45
8:45
#16033
40K
24.85 mi14:52:023:22:598:117:41
9:00
#16111
25.2M
25.20 mi14:55:243:26:218:123:22
9:46
#16151
FINISH
26.22 mi15:04:193:35:168:138:55
8:45
#16300
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 mi19012118381183812490(Top 43%)9156(Top 56%)9156(Top 160%)
10K6.21 mi3.10 mi17197+181511082+75611082+75614838(Top 51%)10180(Top 62%)10180(Top 178%)
15K9.32 mi3.11 mi15694+150310473+60910473+60912490(Top 43%)9156(Top 56%)9156(Top 160%)
20K12.43 mi3.11 mi15373+32110336+13710336+13714559(Top 50%)9966(Top 61%)9966(Top 174%)
HALF13.11 mi0.68 mi15332+4110320+1610320+1614734(Top 51%)10123(Top 62%)10123(Top 177%)
25K15.53 mi2.42 mi15224+10810268+5210268+5214842(Top 51%)10007(Top 61%)10007(Top 175%)
30K18.64 mi3.11 mi15304-8010253+1510253+1515602(Top 54%)10243(Top 63%)10243(Top 179%)
20M20.00 mi1.36 mi15407-10310279-2610279-2616620(Top 57%)10571(Top 65%)10571(Top 185%)
21M21.00 mi1.00 mi15515-10810301-2210301-2217462(Top 60%)10895(Top 67%)10895(Top 190%)
35K21.75 mi0.75 mi15613-9810324-2310324-2317835(Top 61%)10962(Top 67%)10962(Top 192%)
23M23.00 mi1.25 mi15932-31910418-9410418-9420066(Top 69%)11977(Top 73%)11977(Top 209%)
24M24.00 mi1.00 mi16033-10110446-2810446-2818256(Top 63%)11072(Top 68%)11072(Top 193%)
40K24.85 mi0.85 mi16111-7810467-2110467-2118302(Top 63%)11028(Top 67%)11028(Top 193%)
25.2M25.20 mi0.35 mi16151-4010472-510472-518416(Top 63%)11076(Top 68%)11076(Top 194%)
FINISH26.22 mi1.02 mi16300-14910519-4710519-4719378(Top 67%)11555(Top 71%)11555(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21
+97ft-345ft

Overall

12490

Males

9156

M18-39

9156

5K→10K

3.1 - 6.2 mi

Top 51%
×5
+79ft-138ft

Overall

14838

Males

10180

M18-39

10180

10K→15K

6.2 - 9.3 mi

Top 43%
×3
+67ft-78ft

Overall

12490

Males

9156

M18-39

9156

15K→20K

9.3 - 12.4 mi

Top 50%
×5
+106ft-86ft

Overall

14559

Males

9966

M18-39

9966

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14734

Males

10123

M18-39

10123

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14842

Males

10007

M18-39

10007

25K→30K

15.5 - 18.6 mi

Top 54%
×9
+181ft-148ft

Overall

15602

Males

10243

M18-39

10243

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16620

Males

10571

M18-39

10571

20M→21M

20.0 - 21.0 mi

Top 60%
×8
+106ft-24ft

Overall

17462

Males

10895

M18-39

10895

21M→35K

21.0 - 21.8 mi

Top 61%
×7
+17ft-86ft

Overall

17835

Males

10962

M18-39

10962

35K→23M

21.8 - 23.0 mi

Top 69%
×5
+23ft-63ft

Overall

20066

Males

11977

M18-39

11977

23M→24M

23.0 - 24.0 mi

Top 63%
×6
+12ft-82ft

Overall

18256

Males

11072

M18-39

11072

24M→40K

24.0 - 24.9 mi

Top 63%
×1
+6ft-20ft

Overall

18302

Males

11028

M18-39

11028

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1
+13ft-16ft

Overall

18416

Males

11076

M18-39

11076

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
×2
+22ft-21ft

Overall

19378

Males

11555

M18-39

11555

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4441*
Passed By
1526
Net Change
+2712
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19012
5K → 10K1827*12+1815#19012#17197
10K → 15K1505*2+1503#17197#15694
15K → 20K353*32+321#15694#15373
20K → HALF5918+41#15373#15332
HALF → 25K18375+108#15332#15224
25K → 30K167200-80#15224#15304
30K → 20M81184-103#15304#15407
20M → 21M72180-108#15407#15515
21M → 35K35133-98#15515#15613
35K → 23M37200-319#15613#15932
23M → 24M35136-101#15932#16033
24M → 40K41119-78#16033#16111
40K → 25.2M2363-40#16111#16151
25.2M → FINISH23172-149#16151#16300
TOTALS4441*1526+2712

* 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