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BOSTON MARATHON 2026

Cary Guffey

Bib: 15324•M

AL

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0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
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
22:58
3.11 mi
Rank: #11869
Start → 5K
22:58 | 7:24/mi
10K
45:48
6.21 mi
Rank: #11707 (+162)
5K → 10K
22:50 | 7:21/mi
15K
1:09:07
9.32 mi
Rank: #12061 (-354)
10K → 15K
23:19 | 7:31/mi
20K
1:33:00
12.43 mi
Rank: #12447 (-386)
15K → 20K
23:53 | 7:42/mi
HALF
1:38:01
13.11 mi
Rank: #12405 (+42)
20K → HALF
5:01 | 7:22/mi
25K
1:58:08
15.53 mi
Rank: #13281 (-876)
HALF → 25K
20:07 | 8:18/mi
30K
2:24:00
18.64 mi
Rank: #13720 (-439)
25K → 30K
25:52 | 8:20/mi
20M
2:35:05
20.00 mi
Rank: #13717 (+3)
30K → 20M
11:05 | 8:10/mi
21M
2:44:36
21.00 mi
Rank: #14053 (-336)
20M → 21M
9:31 | 9:31/mi
35K
2:50:18
21.75 mi
Rank: #13946 (+107)
21M → 35K
5:42 | 7:38/mi
23M
3:00:58
23.00 mi
Rank: #14050 (-104)
35K → 23M
10:40 | 8:32/mi
24M
3:09:13
24.00 mi
Rank: #14118 (-68)
23M → 24M
8:15 | 8:15/mi
40K
3:17:08
24.85 mi
Rank: #14409 (-291)
24M → 40K
7:55 | 9:16/mi
25.2M
3:20:50
25.20 mi
Rank: #14594 (-185)
40K → 25.2M
3:42 | 10:44/mi
FINISH
3:29:53
26.22 mi
Rank: #14899 (-305)
25.2M → FINISH
9:03 | 8:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:01
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:51:52
Pace8:32 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4522:587:2422:58
7:24
-
10K
6.21 mi11:17:3545:487:2322:50
7:21
-0:03
15K
9.32 mi11:40:541:09:077:2523:19
7:31
+0:10
20K
12.43 mi12:04:471:33:007:3023:53
7:42
+0:11
HALF
13.11 mi12:09:481:38:017:295:01
7:22
-0:20
25K
15.53 mi12:29:551:58:087:3720:07
8:18
+0:56
30K
18.64 mi12:55:472:24:007:4425:52
8:20
+0:02
20M
20.00 mi13:06:522:35:057:4611:05
8:10
-0:10
21M
21.00 mi13:16:232:44:367:519:31
9:31
+1:21
35K
21.75 mi13:22:052:50:187:505:42
7:38
-1:53
23M
23.00 mi13:32:453:00:587:5310:40
8:32
+0:54
24M
24.00 mi13:41:003:09:137:548:15
8:15
-0:17
40K
24.85 mi13:48:553:17:087:567:55
9:16
+1:01
25.2M
25.20 mi13:52:373:20:507:593:42
10:44
+1:28
FINISH
26.22 mi14:01:403:29:538:019:03
8:53
-1:51

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

7:21 /mi

Average Pace

8:01 /mi

Slowest Pace

10:44 /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

1:43:43

49% of race

Time at Steady Pace

1:15:59

36% of race

Time at Slower Pace

30:11

14% of race

Average Pace: 8:00 /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 mi10:54:4522:587:2422:58
7:24
#11869
10K
6.21 mi11:17:3545:487:2322:50
7:21
#11707
15K
9.32 mi11:40:541:09:077:2523:19
7:31
#12061
20K
12.43 mi12:04:471:33:007:3023:53
7:42
#12447
HALF
13.11 mi12:09:481:38:017:295:01
7:22
#12405
25K
15.53 mi12:29:551:58:087:3720:07
8:18
#13281
30K
18.64 mi12:55:472:24:007:4425:52
8:20
#13720
20M
20.00 mi13:06:522:35:057:4611:05
8:10
#13717
21M
21.00 mi13:16:232:44:367:519:31
9:31
#14053
35K
21.75 mi13:22:052:50:187:505:42
7:38
#13946
23M
23.00 mi13:32:453:00:587:5310:40
8:32
#14050
24M
24.00 mi13:41:003:09:137:548:15
8:15
#14118
40K
24.85 mi13:48:553:17:087:567:55
9:16
#14409
25.2M
25.20 mi13:52:373:20:507:593:42
10:44
#14594
FINISH
26.22 mi14:01:403:29:538:019:03
8:53
#14899
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi118698984898412846(Top 44%)9320(Top 57%)9320(Top 499%)
10K6.21 mi3.10 mi11707+1628893+918893+9111594(Top 40%)8799(Top 54%)8799(Top 471%)
15K9.32 mi3.11 mi12061-3549021-1289021-12812846(Top 44%)9320(Top 57%)9320(Top 499%)
20K12.43 mi3.11 mi12447-3869154-1339154-13313608(Top 47%)9567(Top 59%)9567(Top 512%)
HALF13.11 mi0.68 mi12405+429128+269128+2611710(Top 40%)8830(Top 54%)8830(Top 473%)
25K15.53 mi2.42 mi13281-8769476-3489476-34817383(Top 60%)11091(Top 68%)11091(Top 594%)
30K18.64 mi3.11 mi13720-4399627-1519627-15115788(Top 54%)10316(Top 63%)10316(Top 552%)
20M20.00 mi1.36 mi13717+39601+269601+2613936(Top 48%)9429(Top 58%)9429(Top 505%)
21M21.00 mi1.00 mi14053-3369708-1079708-10718554(Top 64%)11386(Top 70%)11386(Top 610%)
35K21.75 mi0.75 mi13946+1079649+599649+5911716(Top 40%)8313(Top 51%)8313(Top 445%)
23M23.00 mi1.25 mi14050-1049669-209669-2015832(Top 55%)10034(Top 61%)10034(Top 537%)
24M24.00 mi1.00 mi14118-689682-139682-1315364(Top 53%)9773(Top 60%)9773(Top 523%)
40K24.85 mi0.85 mi14409-2919770-889770-8819476(Top 67%)11577(Top 71%)11577(Top 620%)
25.2M25.20 mi0.35 mi14594-1859835-659835-6521671(Top 75%)12670(Top 78%)12670(Top 678%)
FINISH26.22 mi1.02 mi14899-3059942-1079942-10719958(Top 69%)11820(Top 72%)11820(Top 633%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21
+97ft-345ft

Overall

12846

Males

9320

M50-54

9320

5K→10K

3.1 - 6.2 mi

Top 40%
×5
+79ft-138ft

Overall

11594

Males

8799

M50-54

8799

10K→15K

6.2 - 9.3 mi

Top 44%
×3
+67ft-78ft

Overall

12846

Males

9320

M50-54

9320

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13608

Males

9567

M50-54

9567

20K→HALF

12.4 - 13.1 mi

Top 40%
×2
+19ft-37ft

Overall

11710

Males

8830

M50-54

8830

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17383

Males

11091

M50-54

11091

25K→30K

15.5 - 18.6 mi

Top 54%
×9
+181ft-148ft

Overall

15788

Males

10316

M50-54

10316

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13936

Males

9429

M50-54

9429

20M→21M

20.0 - 21.0 mi

Top 64%
×8
+106ft-24ft

Overall

18554

Males

11386

M50-54

11386

21M→35K

21.0 - 21.8 mi

Top 40%
×7
+17ft-86ft

Overall

11716

Males

8313

M50-54

8313

35K→23M

21.8 - 23.0 mi

Top 55%
×5
+23ft-63ft

Overall

15832

Males

10034

M50-54

10034

23M→24M

23.0 - 24.0 mi

Top 53%
×6
+12ft-82ft

Overall

15364

Males

9773

M50-54

9773

24M→40K

24.0 - 24.9 mi

Top 67%
×1
+6ft-20ft

Overall

19476

Males

11577

M50-54

11577

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1
+13ft-16ft

Overall

21671

Males

12670

M50-54

12670

25.2M→FINISH

25.2 - 26.2 mi

Top 69%
×2
+22ft-21ft

Overall

19958

Males

11820

M50-54

11820

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1064*
Passed By
2196
Net Change
-3030
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11869
5K → 10K350*188+162#11869#11707
10K → 15K76200-354#11707#12061
15K → 20K70200-386#12061#12447
20K → HALF5614+42#12447#12405
HALF → 25K23200-876#12405#13281
25K → 30K86200-439#13281#13720
30K → 20M110107+3#13720#13717
20M → 21M29200-336#13717#14053
21M → 35K1125+107#14053#13946
35K → 23M68172-104#13946#14050
23M → 24M51119-68#14050#14118
24M → 40K18200-291#14118#14409
40K → 25.2M6191-185#14409#14594
25.2M → FINISH9200-305#14594#14899
TOTALS1064*2196-3030

* 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