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BOSTON MARATHON 2026

David Clair

Bib: 23806•M

CA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
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
26:26
3.11 mi
Rank: #20110
Start → 5K
26:26 | 8:31/mi
10K
53:12
6.21 mi
Rank: #20509 (-399)
5K → 10K
26:46 | 8:37/mi
15K
1:19:50
9.32 mi
Rank: #20512 (-3)
10K → 15K
26:38 | 8:35/mi
20K
1:47:09
12.43 mi
Rank: #20622 (-110)
15K → 20K
27:19 | 8:48/mi
HALF
1:52:55
13.11 mi
Rank: #20582 (+40)
20K → HALF
5:46 | 8:28/mi
25K
2:14:06
15.53 mi
Rank: #20458 (+124)
HALF → 25K
21:11 | 8:45/mi
30K
2:42:50
18.64 mi
Rank: #20530 (-72)
25K → 30K
28:44 | 9:15/mi
20M
2:55:14
20.00 mi
Rank: #20432 (+98)
30K → 20M
12:24 | 9:08/mi
21M
3:05:20
21.00 mi
Rank: #20459 (-27)
20M → 21M
10:06 | 10:06/mi
35K
3:11:37
21.75 mi
Rank: #20357 (+102)
21M → 35K
6:17 | 8:24/mi
23M
3:22:43
23.00 mi
Rank: #20223 (+134)
35K → 23M
11:06 | 8:53/mi
24M
3:31:31
24.00 mi
Rank: #20126 (+97)
23M → 24M
8:48 | 8:48/mi
40K
3:38:45
24.85 mi
Rank: #19978 (+148)
24M → 40K
7:14 | 8:28/mi
25.2M
3:41:59
25.20 mi
Rank: #19916 (+62)
40K → 25.2M
3:14 | 9:23/mi
FINISH
3:50:22
26.22 mi
Rank: #19801 (+115)
25.2M → FINISH
8:23 | 8:14/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:52:55
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time1:57:27
Pace8:58 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:0226:268:3126:26
8:31
-
10K
6.21 mi11:56:4853:128:3426:46
8:37
+0:06
15K
9.32 mi12:23:261:19:508:3426:38
8:35
-0:02
20K
12.43 mi12:50:451:47:098:3827:19
8:48
+0:13
HALF
13.11 mi12:56:311:52:558:375:46
8:28
-0:20
25K
15.53 mi13:17:422:14:068:3821:11
8:45
+0:17
30K
18.64 mi13:46:262:42:508:4528:44
9:15
+0:30
20M
20.00 mi13:58:502:55:148:4612:24
9:08
-0:07
21M
21.00 mi14:08:563:05:208:5010:06
10:06
+0:58
35K
21.75 mi14:15:133:11:378:496:17
8:24
-1:42
23M
23.00 mi14:26:193:22:438:4911:06
8:53
+0:29
24M
24.00 mi14:35:073:31:318:498:48
8:48
-0:05
40K
24.85 mi14:42:213:38:458:497:14
8:28
-0:20
25.2M
25.20 mi14:45:353:41:598:493:14
9:23
+0:55
FINISH
26.22 mi14:53:583:50:228:488:23
8:14
-1:09

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

8:14 /mi

Average Pace

8:48 /mi

Slowest Pace

10:06 /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

54:06

23% of race

Time at Steady Pace

2:01:48

53% of race

Time at Slower Pace

54:28

24% of race

Average Pace: 8:47 /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 mi11:30:0226:268:3126:26
8:31
#20110
10K
6.21 mi11:56:4853:128:3426:46
8:37
#20509
15K
9.32 mi12:23:261:19:508:3426:38
8:35
#20512
20K
12.43 mi12:50:451:47:098:3827:19
8:48
#20622
HALF
13.11 mi12:56:311:52:558:375:46
8:28
#20582
25K
15.53 mi13:17:422:14:068:3821:11
8:45
#20458
30K
18.64 mi13:46:262:42:508:4528:44
9:15
#20530
20M
20.00 mi13:58:502:55:148:4612:24
9:08
#20432
21M
21.00 mi14:08:563:05:208:5010:06
10:06
#20459
35K
21.75 mi14:15:133:11:378:496:17
8:24
#20357
23M
23.00 mi14:26:193:22:438:4911:06
8:53
#20223
24M
24.00 mi14:35:073:31:318:498:48
8:48
#20126
40K
24.85 mi14:42:213:38:458:497:14
8:28
#19978
25.2M
25.20 mi14:45:353:41:598:493:14
9:23
#19916
FINISH
26.22 mi14:53:583:50:228:488:23
8:14
#19801
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20110123321233220509(Top 71%)12572(Top 77%)12572(Top 830%)
10K6.21 mi3.10 mi20509-39912530-19812530-19820961(Top 72%)12764(Top 78%)12764(Top 843%)
15K9.32 mi3.11 mi20512-312544-1412544-1420509(Top 71%)12572(Top 77%)12572(Top 830%)
20K12.43 mi3.11 mi20622-11012580-3612580-3620914(Top 72%)12723(Top 78%)12723(Top 840%)
HALF13.11 mi0.68 mi20582+4012564+1612564+1619974(Top 69%)12315(Top 75%)12315(Top 813%)
25K15.53 mi2.42 mi20458+12412497+6712497+6719895(Top 69%)12206(Top 75%)12206(Top 806%)
30K18.64 mi3.11 mi20530-7212505-812505-820724(Top 71%)12530(Top 77%)12530(Top 828%)
20M20.00 mi1.36 mi20432+9812457+4812457+4819546(Top 67%)11907(Top 73%)11907(Top 786%)
21M21.00 mi1.00 mi20459-2712455+212455+220743(Top 71%)12428(Top 76%)12428(Top 821%)
35K21.75 mi0.75 mi20357+10212397+5812397+5817019(Top 59%)10630(Top 65%)10630(Top 702%)
23M23.00 mi1.25 mi20223+13412320+7712320+7717836(Top 61%)10904(Top 67%)10904(Top 720%)
24M24.00 mi1.00 mi20126+9712253+6712253+6718511(Top 64%)11202(Top 69%)11202(Top 740%)
40K24.85 mi0.85 mi19978+14812160+9312160+9315421(Top 53%)9725(Top 60%)9725(Top 642%)
25.2M25.20 mi0.35 mi19916+6212125+3512125+3516709(Top 58%)10317(Top 63%)10317(Top 681%)
FINISH26.22 mi1.02 mi19801+11512061+6412061+6416565(Top 57%)10253(Top 63%)10253(Top 677%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21
+97ft-345ft

Overall

20509

Males

12572

M60-64

12572

5K→10K

3.1 - 6.2 mi

Top 72%
×5
+79ft-138ft

Overall

20961

Males

12764

M60-64

12764

10K→15K

6.2 - 9.3 mi

Top 71%
×3
+67ft-78ft

Overall

20509

Males

12572

M60-64

12572

15K→20K

9.3 - 12.4 mi

Top 72%
×5
+106ft-86ft

Overall

20914

Males

12723

M60-64

12723

20K→HALF

12.4 - 13.1 mi

Top 69%
×2
+19ft-37ft

Overall

19974

Males

12315

M60-64

12315

HALF→25K

13.1 - 15.5 mi

Top 69%
×4
+66ft-88ft

Overall

19895

Males

12206

M60-64

12206

25K→30K

15.5 - 18.6 mi

Top 71%
×9
+181ft-148ft

Overall

20724

Males

12530

M60-64

12530

30K→20M

18.6 - 20.0 mi

Top 67%
×5
+64ft-50ft

Overall

19546

Males

11907

M60-64

11907

20M→21M

20.0 - 21.0 mi

Top 71%
×8
+106ft-24ft

Overall

20743

Males

12428

M60-64

12428

21M→35K

21.0 - 21.8 mi

Top 59%
×7
+17ft-86ft

Overall

17019

Males

10630

M60-64

10630

35K→23M

21.8 - 23.0 mi

Top 61%
×5
+23ft-63ft

Overall

17836

Males

10904

M60-64

10904

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18511

Males

11202

M60-64

11202

24M→40K

24.0 - 24.9 mi

Top 53%
×1
+6ft-20ft

Overall

15421

Males

9725

M60-64

9725

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16709

Males

10317

M60-64

10317

25.2M→FINISH

25.2 - 26.2 mi

Top 57%
×2
+22ft-21ft

Overall

16565

Males

10253

M60-64

10253

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1786
Passed By
1077
Net Change
+309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20110
5K → 10K138200-399#20110#20509
10K → 15K197200-3#20509#20512
15K → 20K132200-110#20512#20622
20K → HALF5616+40#20622#20582
HALF → 25K19571+124#20582#20458
25K → 30K149200-72#20458#20530
30K → 20M13840+98#20530#20432
20M → 21M7097-27#20432#20459
21M → 35K1053+102#20459#20357
35K → 23M14713+134#20357#20223
23M → 24M11114+97#20223#20126
24M → 40K1524+148#20126#19978
40K → 25.2M708+62#19978#19916
25.2M → FINISH12611+115#19916#19801
TOTALS17861077+309
📊

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