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BOSTON MARATHON 2026

Michael Sansoterra

Bib: 18289•M

GA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 44%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 46%
Age Group (M55-59)
#0 / 1491
Top 35%
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
23:30
3.11 mi
Rank: #13295
Start → 5K
23:30 | 7:34/mi
10K
46:57
6.21 mi
Rank: #13309 (-14)
5K → 10K
23:27 | 7:33/mi
15K
1:10:39
9.32 mi
Rank: #13490 (-181)
10K → 15K
23:42 | 7:38/mi
20K
1:34:32
12.43 mi
Rank: #13483 (+7)
15K → 20K
23:53 | 7:42/mi
HALF
1:39:43
13.11 mi
Rank: #13497 (-14)
20K → HALF
5:11 | 7:37/mi
25K
1:58:13
15.53 mi
Rank: #13315 (+182)
HALF → 25K
18:30 | 7:38/mi
30K
2:22:42
18.64 mi
Rank: #13155 (+160)
25K → 30K
24:29 | 7:53/mi
20M
2:33:22
20.00 mi
Rank: #13022 (+133)
30K → 20M
10:40 | 7:52/mi
21M
2:41:40
21.00 mi
Rank: #12938 (+84)
20M → 21M
8:18 | 8:18/mi
35K
2:47:30
21.75 mi
Rank: #12940 (-2)
21M → 35K
5:50 | 7:48/mi
23M
2:57:27
23.00 mi
Rank: #12860 (+80)
35K → 23M
9:57 | 7:58/mi
24M
3:05:19
24.00 mi
Rank: #12837 (+23)
23M → 24M
7:52 | 7:52/mi
40K
3:12:10
24.85 mi
Rank: #12800 (+37)
24M → 40K
6:51 | 8:01/mi
25.2M
3:15:11
25.20 mi
Rank: #12804 (-4)
40K → 25.2M
3:01 | 8:45/mi
FINISH
3:22:56
26.22 mi
Rank: #12737 (+67)
25.2M → FINISH
7:45 | 7:37/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:43
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:43:13
Pace7:53 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:2623:307:3423:30
7:34
-
10K
6.21 mi11:28:5346:577:3423:27
7:33
-0:01
15K
9.32 mi11:52:351:10:397:3523:42
7:38
+0:05
20K
12.43 mi12:16:281:34:327:3723:53
7:42
+0:04
HALF
13.11 mi12:21:391:39:437:375:11
7:37
-0:05
25K
15.53 mi12:40:091:58:137:3718:30
7:38
+0:01
30K
18.64 mi13:04:382:22:427:4024:29
7:53
+0:15
20M
20.00 mi13:15:182:33:227:4110:40
7:52
-0:01
21M
21.00 mi13:23:362:41:407:428:18
8:18
+0:26
35K
21.75 mi13:29:262:47:307:435:50
7:48
-0:30
23M
23.00 mi13:39:232:57:277:439:57
7:58
+0:10
24M
24.00 mi13:47:153:05:197:447:52
7:52
-0:06
40K
24.85 mi13:54:063:12:107:446:51
8:01
+0:09
25.2M
25.20 mi13:57:073:15:117:453:01
8:45
+0:44
FINISH
26.22 mi14:04:523:22:567:457:45
7:37
-1:08

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

7:33 /mi

Average Pace

7:45 /mi

Slowest Pace

8:45 /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

3:19:55

99% of race

Time at Steady Pace

3:01

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi11:05:2623:307:3423:30
7:34
#13295
10K
6.21 mi11:28:5346:577:3423:27
7:33
#13309
15K
9.32 mi11:52:351:10:397:3523:42
7:38
#13490
20K
12.43 mi12:16:281:34:327:3723:53
7:42
#13483
HALF
13.11 mi12:21:391:39:437:375:11
7:37
#13497
25K
15.53 mi12:40:091:58:137:3718:30
7:38
#13315
30K
18.64 mi13:04:382:22:427:4024:29
7:53
#13155
20M
20.00 mi13:15:182:33:227:4110:40
7:52
#13022
21M
21.00 mi13:23:362:41:407:428:18
8:18
#12938
35K
21.75 mi13:29:262:47:307:435:50
7:48
#12940
23M
23.00 mi13:39:232:57:277:439:57
7:58
#12860
24M
24.00 mi13:47:153:05:197:447:52
7:52
#12837
40K
24.85 mi13:54:063:12:107:446:51
8:01
#12800
25.2M
25.20 mi13:57:073:15:117:453:01
8:45
#12804
FINISH
26.22 mi14:04:523:22:567:457:45
7:37
#12737
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi132959579957913906(Top 48%)9753(Top 60%)9753(Top 654%)
10K6.21 mi3.10 mi13309-149555+249555+2413350(Top 46%)9553(Top 58%)9553(Top 641%)
15K9.32 mi3.11 mi13490-1819612-579612-5713906(Top 48%)9753(Top 60%)9753(Top 654%)
20K12.43 mi3.11 mi13483+79582+309582+3013593(Top 47%)9552(Top 58%)9552(Top 641%)
HALF13.11 mi0.68 mi13497-149591-99591-913808(Top 48%)9703(Top 59%)9703(Top 651%)
25K15.53 mi2.42 mi13315+1829487+1049487+10412463(Top 43%)9000(Top 55%)9000(Top 604%)
30K18.64 mi3.11 mi13155+1609364+1239364+12312573(Top 43%)8921(Top 55%)8921(Top 598%)
20M20.00 mi1.36 mi13022+1339281+839281+8311731(Top 40%)8435(Top 52%)8435(Top 566%)
21M21.00 mi1.00 mi12938+849217+649217+6411829(Top 41%)8360(Top 51%)8360(Top 561%)
35K21.75 mi0.75 mi12940-29214+39214+312989(Top 45%)8878(Top 54%)8878(Top 595%)
23M23.00 mi1.25 mi12860+809163+519163+5112112(Top 42%)8415(Top 51%)8415(Top 564%)
24M24.00 mi1.00 mi12837+239139+249139+2412772(Top 44%)8598(Top 53%)8598(Top 577%)
40K24.85 mi0.85 mi12800+379088+519088+5112544(Top 43%)8416(Top 52%)8416(Top 564%)
25.2M25.20 mi0.35 mi12804-49084+49084+413138(Top 45%)8646(Top 53%)8646(Top 580%)
FINISH26.22 mi1.02 mi12737+679023+619023+6112242(Top 42%)8204(Top 50%)8204(Top 550%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21
+97ft-345ft

Overall

13906

Males

9753

M55-59

9753

5K→10K

3.1 - 6.2 mi

Top 46%
×5
+79ft-138ft

Overall

13350

Males

9553

M55-59

9553

10K→15K

6.2 - 9.3 mi

Top 48%
×3
+67ft-78ft

Overall

13906

Males

9753

M55-59

9753

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13593

Males

9552

M55-59

9552

20K→HALF

12.4 - 13.1 mi

Top 48%
×2
+19ft-37ft

Overall

13808

Males

9703

M55-59

9703

HALF→25K

13.1 - 15.5 mi

Top 43%
×4
+66ft-88ft

Overall

12463

Males

9000

M55-59

9000

25K→30K

15.5 - 18.6 mi

Top 43%
×9
+181ft-148ft

Overall

12573

Males

8921

M55-59

8921

30K→20M

18.6 - 20.0 mi

Top 40%
×5
+64ft-50ft

Overall

11731

Males

8435

M55-59

8435

20M→21M

20.0 - 21.0 mi

Top 41%
×8
+106ft-24ft

Overall

11829

Males

8360

M55-59

8360

21M→35K

21.0 - 21.8 mi

Top 45%
×7
+17ft-86ft

Overall

12989

Males

8878

M55-59

8878

35K→23M

21.8 - 23.0 mi

Top 42%
×5
+23ft-63ft

Overall

12112

Males

8415

M55-59

8415

23M→24M

23.0 - 24.0 mi

Top 44%
×6
+12ft-82ft

Overall

12772

Males

8598

M55-59

8598

24M→40K

24.0 - 24.9 mi

Top 43%
×1
+6ft-20ft

Overall

12544

Males

8416

M55-59

8416

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

13138

Males

8646

M55-59

8646

25.2M→FINISH

25.2 - 26.2 mi

Top 42%
×2
+22ft-21ft

Overall

12242

Males

8204

M55-59

8204

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1802*
Passed By
1103
Net Change
+558
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13295
5K → 10K200200-14#13295#13309
10K → 15K146200-181#13309#13490
15K → 20K162155+7#13490#13483
20K → HALF2236-14#13483#13497
HALF → 25K221*39+182#13497#13315
25K → 30K258*98+160#13315#13155
30K → 20M17441+133#13155#13022
20M → 21M12541+84#13022#12938
21M → 35K5254-2#12938#12940
35K → 23M13656+80#12940#12860
23M → 24M7653+23#12860#12837
24M → 40K8548+37#12837#12800
40K → 25.2M3135-4#12800#12804
25.2M → FINISH11447+67#12804#12737
TOTALS1802*1103+558

* 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing