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BOSTON MARATHON 2026

Clayton Adams

Bib: 1531•M

UT

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0:00
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Overall
#0 / 29021
Top 42%
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
19:03
3.11 mi
Rank: #1767
Start → 5K
19:03 | 6:08/mi
10K
38:29
6.21 mi
Rank: #2166 (-399)
5K → 10K
19:26 | 6:16/mi
15K
58:37
9.32 mi
Rank: #2704 (-538)
10K → 15K
20:08 | 6:29/mi
20K
1:19:16
12.43 mi
Rank: #3229 (-525)
15K → 20K
20:39 | 6:39/mi
HALF
1:23:46
13.11 mi
Rank: #3300 (-71)
20K → HALF
4:30 | 6:37/mi
25K
1:41:05
15.53 mi
Rank: #3993 (-693)
HALF → 25K
17:19 | 7:09/mi
30K
2:09:09
18.64 mi
Rank: #7179 (-3186)
25K → 30K
28:04 | 9:03/mi
20M
2:22:52
20.00 mi
Rank: #8549 (-1370)
30K → 20M
13:43 | 10:06/mi
21M
2:32:05
21.00 mi
Rank: #9076 (-527)
20M → 21M
9:13 | 9:13/mi
35K
2:39:08
21.75 mi
Rank: #9626 (-550)
21M → 35K
7:03 | 9:26/mi
23M
2:51:00
23.00 mi
Rank: #10499 (-873)
35K → 23M
11:52 | 9:29/mi
24M
3:01:58
24.00 mi
Rank: #11689 (-1190)
23M → 24M
10:58 | 10:58/mi
40K
3:10:01
24.85 mi
Rank: #12114 (-425)
24M → 40K
8:03 | 9:25/mi
25.2M
3:13:20
25.20 mi
Rank: #12215 (-101)
40K → 25.2M
3:19 | 9:38/mi
FINISH
3:21:29
26.22 mi
Rank: #12319 (-104)
25.2M → FINISH
8:09 | 8:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:23:46
Pace6:24 /mi
2nd Half
Distance13.11 mi
Time1:57:43
Pace8:59 /mi
📊Positive Split: 40.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3819:036:0819:03
6:08
-
10K
6.21 mi10:39:0438:296:1219:26
6:16
+0:08
15K
9.32 mi10:59:1258:376:1820:08
6:29
+0:13
20K
12.43 mi11:19:511:19:166:2320:39
6:39
+0:10
HALF
13.11 mi11:24:211:23:466:244:30
6:37
-0:02
25K
15.53 mi11:41:401:41:056:3117:19
7:09
+0:32
30K
18.64 mi12:09:442:09:096:5628:04
9:03
+1:54
20M
20.00 mi12:23:272:22:527:0913:43
10:06
+1:03
21M
21.00 mi12:32:402:32:057:159:13
9:13
-0:53
35K
21.75 mi12:39:432:39:087:207:03
9:26
+0:13
23M
23.00 mi12:51:352:51:007:2711:52
9:29
+0:03
24M
24.00 mi13:02:333:01:587:3510:58
10:58
+1:29
40K
24.85 mi13:10:363:10:017:398:03
9:25
-1:33
25.2M
25.20 mi13:13:553:13:207:413:19
9:38
+0:13
FINISH
26.22 mi13:22:043:21:297:428:09
8:00
-1:38

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

6:08 /mi

Average Pace

7:41 /mi

Slowest Pace

10:58 /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

1:49:14

54% of race

Time at Steady Pace

1:07:34

34% of race

Time at Slower Pace

24:41

12% of race

Average Pace: 7:41 /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 mi10:19:3819:036:0819:03
6:08
#1767
10K
6.21 mi10:39:0438:296:1219:26
6:16
#2166
15K
9.32 mi10:59:1258:376:1820:08
6:29
#2704
20K
12.43 mi11:19:511:19:166:2320:39
6:39
#3229
HALF
13.11 mi11:24:211:23:466:244:30
6:37
#3300
25K
15.53 mi11:41:401:41:056:3117:19
7:09
#3993
30K
18.64 mi12:09:442:09:096:5628:04
9:03
#7179
20M
20.00 mi12:23:272:22:527:0913:43
10:06
#8549
21M
21.00 mi12:32:402:32:057:159:13
9:13
#9076
35K
21.75 mi12:39:432:39:087:207:03
9:26
#9626
23M
23.00 mi12:51:352:51:007:2711:52
9:29
#10499
24M
24.00 mi13:02:333:01:587:3510:58
10:58
#11689
40K
24.85 mi13:10:363:10:017:398:03
9:25
#12114
25.2M
25.20 mi13:13:553:13:207:413:19
9:38
#12215
FINISH
26.22 mi13:22:043:21:297:428:09
8:00
#12319
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 mi1767170017004095(Top 14%)3885(Top 24%)3885(Top 68%)
10K6.21 mi3.10 mi2166-3992089-3892089-3892574(Top 9%)2479(Top 15%)2479(Top 43%)
15K9.32 mi3.11 mi2704-5382601-5122601-5124095(Top 14%)3885(Top 24%)3885(Top 68%)
20K12.43 mi3.11 mi3229-5253094-4933094-4934781(Top 16%)4470(Top 27%)4470(Top 78%)
HALF13.11 mi0.68 mi3300-713159-653159-655333(Top 18%)4910(Top 30%)4910(Top 86%)
25K15.53 mi2.42 mi3993-6933792-6333792-6338428(Top 29%)6993(Top 43%)6993(Top 122%)
30K18.64 mi3.11 mi7179-31866298-25066298-250619720(Top 68%)12035(Top 74%)12035(Top 210%)
20M20.00 mi1.36 mi8549-13707135-8377135-83722831(Top 79%)13462(Top 82%)13462(Top 235%)
21M21.00 mi1.00 mi9076-5277401-2667401-26617203(Top 59%)10757(Top 66%)10757(Top 188%)
35K21.75 mi0.75 mi9626-5507680-2797680-27921506(Top 74%)12717(Top 78%)12717(Top 222%)
23M23.00 mi1.25 mi10499-8738063-3838063-38320524(Top 71%)12221(Top 75%)12221(Top 214%)
24M24.00 mi1.00 mi11689-11908630-5678630-56725028(Top 86%)14317(Top 88%)14317(Top 250%)
40K24.85 mi0.85 mi12114-4258772-1428772-14220051(Top 69%)11879(Top 73%)11879(Top 208%)
25.2M25.20 mi0.35 mi12215-1018817-458817-4517775(Top 61%)10779(Top 66%)10779(Top 188%)
FINISH26.22 mi1.02 mi12319-1048844-278844-2715121(Top 52%)9569(Top 59%)9569(Top 167%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21
+97ft-345ft

Overall

4095

Males

3885

M18-39

3885

5K→10K

3.1 - 6.2 mi

Top 9%
×5
+79ft-138ft

Overall

2574

Males

2479

M18-39

2479

10K→15K

6.2 - 9.3 mi

Top 14%
×3
+67ft-78ft

Overall

4095

Males

3885

M18-39

3885

15K→20K

9.3 - 12.4 mi

Top 16%
×5
+106ft-86ft

Overall

4781

Males

4470

M18-39

4470

20K→HALF

12.4 - 13.1 mi

Top 18%
×2
+19ft-37ft

Overall

5333

Males

4910

M18-39

4910

HALF→25K

13.1 - 15.5 mi

Top 29%
×4
+66ft-88ft

Overall

8428

Males

6993

M18-39

6993

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19720

Males

12035

M18-39

12035

30K→20M

18.6 - 20.0 mi

Top 79%
×5
+64ft-50ft

Overall

22831

Males

13462

M18-39

13462

20M→21M

20.0 - 21.0 mi

Top 59%
×8
+106ft-24ft

Overall

17203

Males

10757

M18-39

10757

21M→35K

21.0 - 21.8 mi

Top 74%
×7
+17ft-86ft

Overall

21506

Males

12717

M18-39

12717

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20524

Males

12221

M18-39

12221

23M→24M

23.0 - 24.0 mi

Top 86%
×6
+12ft-82ft

Overall

25028

Males

14317

M18-39

14317

24M→40K

24.0 - 24.9 mi

Top 69%
×1
+6ft-20ft

Overall

20051

Males

11879

M18-39

11879

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1
+13ft-16ft

Overall

17775

Males

10779

M18-39

10779

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
×2
+22ft-21ft

Overall

15121

Males

9569

M18-39

9569

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
170
Passed By
10720
Net Change
-10552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1767
5K → 10K15414-399#1767#2166
10K → 15K4542-538#2166#2704
15K → 20K15540-525#2704#3229
20K → HALF273-71#3229#3300
HALF → 25K10703-693#3300#3993
25K → 30K33189-3186#3993#7179
30K → 20M21372-1370#7179#8549
20M → 21M14541-527#8549#9076
21M → 35K9559-550#9076#9626
35K → 23M21892-873#9626#10499
23M → 24M31193-1190#10499#11689
24M → 40K26451-425#11689#12114
40K → 25.2M11112-101#12114#12215
25.2M → FINISH35139-104#12215#12319
TOTALS17010720-10552
📊

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