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BOSTON MARATHON 2026

William Mccarron

Bib: 30121•M

MA

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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
27:56
3.11 mi
Rank: #22621
Start → 5K
27:56 | 9:00/mi
10K
55:11
6.21 mi
Rank: #22192 (+429)
5K → 10K
27:15 | 8:47/mi
15K
1:22:16
9.32 mi
Rank: #21904 (+288)
10K → 15K
27:05 | 8:44/mi
20K
1:49:35
12.43 mi
Rank: #21632 (+272)
15K → 20K
27:19 | 8:48/mi
HALF
1:55:34
13.11 mi
Rank: #21621 (+11)
20K → HALF
5:59 | 8:47/mi
25K
2:17:21
15.53 mi
Rank: #21526 (+95)
HALF → 25K
21:47 | 8:59/mi
30K
2:46:48
18.64 mi
Rank: #21536 (-10)
25K → 30K
29:27 | 9:29/mi
20M
2:59:37
20.00 mi
Rank: #21467 (+69)
30K → 20M
12:49 | 9:27/mi
21M
3:08:47
21.00 mi
Rank: #21228 (+239)
20M → 21M
9:10 | 9:10/mi
35K
3:15:23
21.75 mi
Rank: #21164 (+64)
21M → 35K
6:36 | 8:50/mi
23M
3:26:45
23.00 mi
Rank: #21032 (+132)
35K → 23M
11:22 | 9:05/mi
24M
3:35:59
24.00 mi
Rank: #21013 (+19)
23M → 24M
9:14 | 9:14/mi
40K
3:43:47
24.85 mi
Rank: #20936 (+77)
24M → 40K
7:48 | 9:08/mi
25.2M
3:47:04
25.20 mi
Rank: #20877 (+59)
40K → 25.2M
3:17 | 9:32/mi
FINISH
3:55:22
26.22 mi
Rank: #20726 (+151)
25.2M → FINISH
8:18 | 8:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:55:34
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time1:59:48
Pace9:09 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5127:569:0027:56
9:00
-
10K
6.21 mi12:21:0655:118:5327:15
8:47
-0:13
15K
9.32 mi12:48:111:22:168:5027:05
8:44
-0:03
20K
12.43 mi13:15:301:49:358:5027:19
8:48
+0:04
HALF
13.11 mi13:21:291:55:348:495:59
8:47
-0:01
25K
15.53 mi13:43:162:17:218:5121:47
8:59
+0:12
30K
18.64 mi14:12:432:46:488:5729:27
9:29
+0:30
20M
20.00 mi14:25:322:59:378:5912:49
9:27
-0:02
21M
21.00 mi14:34:423:08:479:009:10
9:10
-0:17
35K
21.75 mi14:41:183:15:239:006:36
8:50
-0:20
23M
23.00 mi14:52:403:26:459:0011:22
9:05
+0:15
24M
24.00 mi15:01:543:35:599:009:14
9:14
+0:09
40K
24.85 mi15:09:423:43:479:017:48
9:08
-0:06
25.2M
25.20 mi15:12:593:47:049:013:17
9:32
+0:24
FINISH
26.22 mi15:21:173:55:229:008:18
8:09
-1:23

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

8:09 /mi

Average Pace

8:59 /mi

Slowest Pace

9:32 /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

1:42:32

44% of race

Time at Steady Pace

2:12:50

56% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:59 /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 mi11:53:5127:569:0027:56
9:00
#22621
10K
6.21 mi12:21:0655:118:5327:15
8:47
#22192
15K
9.32 mi12:48:111:22:168:5027:05
8:44
#21904
20K
12.43 mi13:15:301:49:358:5027:19
8:48
#21632
HALF
13.11 mi13:21:291:55:348:495:59
8:47
#21621
25K
15.53 mi13:43:162:17:218:5121:47
8:59
#21526
30K
18.64 mi14:12:432:46:488:5729:27
9:29
#21536
20M
20.00 mi14:25:322:59:378:5912:49
9:27
#21467
21M
21.00 mi14:34:423:08:479:009:10
9:10
#21228
35K
21.75 mi14:41:183:15:239:006:36
8:50
#21164
23M
23.00 mi14:52:403:26:459:0011:22
9:05
#21032
24M
24.00 mi15:01:543:35:599:009:14
9:14
#21013
40K
24.85 mi15:09:423:43:479:017:48
9:08
#20936
25.2M
25.20 mi15:12:593:47:049:013:17
9:32
#20877
FINISH
26.22 mi15:21:173:55:229:008:18
8:09
#20726
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 mi22621135381353821300(Top 73%)12924(Top 79%)12924(Top 226%)
10K6.21 mi3.10 mi22192+42913332+20613332+20621753(Top 75%)13136(Top 80%)13136(Top 230%)
15K9.32 mi3.11 mi21904+28813195+13713195+13721300(Top 73%)12924(Top 79%)12924(Top 226%)
20K12.43 mi3.11 mi21632+27213060+13513060+13520918(Top 72%)12727(Top 78%)12727(Top 222%)
HALF13.11 mi0.68 mi21621+1113051+913051+921656(Top 75%)13098(Top 80%)13098(Top 229%)
25K15.53 mi2.42 mi21526+9513003+4813003+4821089(Top 73%)12787(Top 78%)12787(Top 223%)
30K18.64 mi3.11 mi21536-1013004-113004-121547(Top 74%)12915(Top 79%)12915(Top 226%)
20M20.00 mi1.36 mi21467+6912951+5312951+5320816(Top 72%)12481(Top 76%)12481(Top 218%)
21M21.00 mi1.00 mi21228+23912829+12212829+12216987(Top 59%)10693(Top 65%)10693(Top 187%)
35K21.75 mi0.75 mi21164+6412792+3712792+3719228(Top 66%)11605(Top 71%)11605(Top 203%)
23M23.00 mi1.25 mi21032+13212722+7012722+7018889(Top 65%)11405(Top 70%)11405(Top 199%)
24M24.00 mi1.00 mi21013+1912700+2212700+2220394(Top 70%)12072(Top 74%)12072(Top 211%)
40K24.85 mi0.85 mi20936+7712648+5212648+5218950(Top 65%)11341(Top 69%)11341(Top 198%)
25.2M25.20 mi0.35 mi20877+5912614+3412614+3417406(Top 60%)10630(Top 65%)10630(Top 186%)
FINISH26.22 mi1.02 mi20726+15112530+8412530+8416069(Top 55%)10039(Top 61%)10039(Top 175%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21
+97ft-345ft

Overall

21300

Males

12924

M18-39

12924

5K→10K

3.1 - 6.2 mi

Top 75%
×5
+79ft-138ft

Overall

21753

Males

13136

M18-39

13136

10K→15K

6.2 - 9.3 mi

Top 73%
×3
+67ft-78ft

Overall

21300

Males

12924

M18-39

12924

15K→20K

9.3 - 12.4 mi

Top 72%
×5
+106ft-86ft

Overall

20918

Males

12727

M18-39

12727

20K→HALF

12.4 - 13.1 mi

Top 75%
×2
+19ft-37ft

Overall

21656

Males

13098

M18-39

13098

HALF→25K

13.1 - 15.5 mi

Top 73%
×4
+66ft-88ft

Overall

21089

Males

12787

M18-39

12787

25K→30K

15.5 - 18.6 mi

Top 74%
×9
+181ft-148ft

Overall

21547

Males

12915

M18-39

12915

30K→20M

18.6 - 20.0 mi

Top 72%
×5
+64ft-50ft

Overall

20816

Males

12481

M18-39

12481

20M→21M

20.0 - 21.0 mi

Top 59%
×8
+106ft-24ft

Overall

16987

Males

10693

M18-39

10693

21M→35K

21.0 - 21.8 mi

Top 66%
×7
+17ft-86ft

Overall

19228

Males

11605

M18-39

11605

35K→23M

21.8 - 23.0 mi

Top 65%
×5
+23ft-63ft

Overall

18889

Males

11405

M18-39

11405

23M→24M

23.0 - 24.0 mi

Top 70%
×6
+12ft-82ft

Overall

20394

Males

12072

M18-39

12072

24M→40K

24.0 - 24.9 mi

Top 65%
×1
+6ft-20ft

Overall

18950

Males

11341

M18-39

11341

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1
+13ft-16ft

Overall

17406

Males

10630

M18-39

10630

25.2M→FINISH

25.2 - 26.2 mi

Top 55%
×2
+22ft-21ft

Overall

16069

Males

10039

M18-39

10039

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2533
Passed By
638
Net Change
+1895
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22621
5K → 10K538109+429#22621#22192
10K → 15K34860+288#22192#21904
15K → 20K32250+272#21904#21632
20K → HALF3524+11#21632#21621
HALF → 25K17075+95#21621#21526
25K → 30K151161-10#21526#21536
30K → 20M11748+69#21536#21467
20M → 21M2456+239#21467#21228
21M → 35K7713+64#21228#21164
35K → 23M15018+132#21164#21032
23M → 24M6344+19#21032#21013
24M → 40K9821+77#21013#20936
40K → 25.2M623+59#20936#20877
25.2M → FINISH1576+151#20877#20726
TOTALS2533638+1895
📊

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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing