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BOSTON MARATHON 2026

Andrew Cossar

Bib: 30795•M

MA

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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 (M45-49)
#0 / 2413
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
27:50
3.11 mi
Rank: #22444
Start → 5K
27:50 | 8:58/mi
10K
54:50
6.21 mi
Rank: #21929 (+515)
5K → 10K
27:00 | 8:42/mi
15K
1:21:47
9.32 mi
Rank: #21657 (+272)
10K → 15K
26:57 | 8:41/mi
20K
1:48:55
12.43 mi
Rank: #21375 (+282)
15K → 20K
27:08 | 8:45/mi
HALF
1:54:43
13.11 mi
Rank: #21312 (+63)
20K → HALF
5:48 | 8:31/mi
25K
2:15:41
15.53 mi
Rank: #21000 (+312)
HALF → 25K
20:58 | 8:39/mi
30K
2:43:09
18.64 mi
Rank: #20612 (+388)
25K → 30K
27:28 | 8:51/mi
20M
2:55:08
20.00 mi
Rank: #20403 (+209)
30K → 20M
11:59 | 8:50/mi
21M
3:04:46
21.00 mi
Rank: #20331 (+72)
20M → 21M
9:38 | 9:38/mi
35K
3:11:30
21.75 mi
Rank: #20332 (-1)
21M → 35K
6:44 | 9:01/mi
23M
3:23:10
23.00 mi
Rank: #20306 (+26)
35K → 23M
11:40 | 9:20/mi
24M
3:32:16
24.00 mi
Rank: #20281 (+25)
23M → 24M
9:06 | 9:06/mi
40K
3:40:13
24.85 mi
Rank: #20250 (+31)
24M → 40K
7:57 | 9:18/mi
25.2M
3:43:36
25.20 mi
Rank: #20228 (+22)
40K → 25.2M
3:23 | 9:49/mi
FINISH
3:52:10
26.22 mi
Rank: #20137 (+91)
25.2M → FINISH
8:34 | 8:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:54:43
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time1:57:27
Pace8:58 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4927:508:5827:50
8:58
-
10K
6.21 mi12:20:4954:508:5027:00
8:42
-0:16
15K
9.32 mi12:47:461:21:478:4726:57
8:41
-0:01
20K
12.43 mi13:14:541:48:558:4627:08
8:45
+0:04
HALF
13.11 mi13:20:421:54:438:465:48
8:31
-0:14
25K
15.53 mi13:41:402:15:418:4520:58
8:39
+0:08
30K
18.64 mi14:09:082:43:098:4627:28
8:51
+0:12
20M
20.00 mi14:21:072:55:088:4611:59
8:50
-0:01
21M
21.00 mi14:30:453:04:468:489:38
9:38
+0:48
35K
21.75 mi14:37:293:11:308:496:44
9:01
-0:37
23M
23.00 mi14:49:093:23:108:5111:40
9:20
+0:19
24M
24.00 mi14:58:153:32:168:519:06
9:06
-0:14
40K
24.85 mi15:06:123:40:138:527:57
9:18
+0:12
25.2M
25.20 mi15:09:353:43:368:533:23
9:49
+0:31
FINISH
26.22 mi15:18:093:52:108:528:34
8:25
-1:24

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

8:25 /mi

Average Pace

8:52 /mi

Slowest Pace

9:49 /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

3:19:32

86% of race

Time at Steady Pace

32:38

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:51 /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 mi11:53:4927:508:5827:50
8:58
#22444
10K
6.21 mi12:20:4954:508:5027:00
8:42
#21929
15K
9.32 mi12:47:461:21:478:4726:57
8:41
#21657
20K
12.43 mi13:14:541:48:558:4627:08
8:45
#21375
HALF
13.11 mi13:20:421:54:438:465:48
8:31
#21312
25K
15.53 mi13:41:402:15:418:4520:58
8:39
#21000
30K
18.64 mi14:09:082:43:098:4627:28
8:51
#20612
20M
20.00 mi14:21:072:55:088:4611:59
8:50
#20403
21M
21.00 mi14:30:453:04:468:489:38
9:38
#20331
35K
21.75 mi14:37:293:11:308:496:44
9:01
#20332
23M
23.00 mi14:49:093:23:108:5111:40
9:20
#20306
24M
24.00 mi14:58:153:32:168:519:06
9:06
#20281
40K
24.85 mi15:06:123:40:138:527:57
9:18
#20250
25.2M
25.20 mi15:09:353:43:368:533:23
9:49
#20228
FINISH
26.22 mi15:18:093:52:108:528:34
8:25
#20137
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi22444134481344821061(Top 73%)12809(Top 78%)12809(Top 531%)
10K6.21 mi3.10 mi21929+51513204+24413204+24421364(Top 74%)12951(Top 79%)12951(Top 537%)
15K9.32 mi3.11 mi21657+27213073+13113073+13121061(Top 73%)12809(Top 78%)12809(Top 531%)
20K12.43 mi3.11 mi21375+28212920+15312920+15320612(Top 71%)12573(Top 77%)12573(Top 521%)
HALF13.11 mi0.68 mi21312+6312894+2612894+2620264(Top 70%)12453(Top 76%)12453(Top 516%)
25K15.53 mi2.42 mi21000+31212744+15012744+15019428(Top 67%)11984(Top 73%)11984(Top 497%)
30K18.64 mi3.11 mi20612+38812541+20312541+20318774(Top 65%)11608(Top 71%)11608(Top 481%)
20M20.00 mi1.36 mi20403+20912443+9812443+9818078(Top 62%)11214(Top 69%)11214(Top 465%)
21M21.00 mi1.00 mi20331+7212391+5212391+5219103(Top 66%)11662(Top 71%)11662(Top 483%)
35K21.75 mi0.75 mi20332-112384+712384+720009(Top 69%)11990(Top 73%)11990(Top 497%)
23M23.00 mi1.25 mi20306+2612365+1912365+1919902(Top 69%)11894(Top 73%)11894(Top 493%)
24M24.00 mi1.00 mi20281+2512329+3612329+3619869(Top 68%)11810(Top 72%)11810(Top 489%)
40K24.85 mi0.85 mi20250+3112293+3612293+3619653(Top 68%)11677(Top 71%)11677(Top 484%)
25.2M25.20 mi0.35 mi20228+2212278+1512278+1518643(Top 64%)11209(Top 69%)11209(Top 465%)
FINISH26.22 mi1.02 mi20137+9112212+6612212+6617640(Top 61%)10732(Top 66%)10732(Top 445%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21
+97ft-345ft

Overall

21061

Males

12809

M45-49

12809

5K→10K

3.1 - 6.2 mi

Top 74%
×5
+79ft-138ft

Overall

21364

Males

12951

M45-49

12951

10K→15K

6.2 - 9.3 mi

Top 73%
×3
+67ft-78ft

Overall

21061

Males

12809

M45-49

12809

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20612

Males

12573

M45-49

12573

20K→HALF

12.4 - 13.1 mi

Top 70%
×2
+19ft-37ft

Overall

20264

Males

12453

M45-49

12453

HALF→25K

13.1 - 15.5 mi

Top 67%
×4
+66ft-88ft

Overall

19428

Males

11984

M45-49

11984

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18774

Males

11608

M45-49

11608

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

18078

Males

11214

M45-49

11214

20M→21M

20.0 - 21.0 mi

Top 66%
×8
+106ft-24ft

Overall

19103

Males

11662

M45-49

11662

21M→35K

21.0 - 21.8 mi

Top 69%
×7
+17ft-86ft

Overall

20009

Males

11990

M45-49

11990

35K→23M

21.8 - 23.0 mi

Top 69%
×5
+23ft-63ft

Overall

19902

Males

11894

M45-49

11894

23M→24M

23.0 - 24.0 mi

Top 68%
×6
+12ft-82ft

Overall

19869

Males

11810

M45-49

11810

24M→40K

24.0 - 24.9 mi

Top 68%
×1
+6ft-20ft

Overall

19653

Males

11677

M45-49

11677

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1
+13ft-16ft

Overall

18643

Males

11209

M45-49

11209

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
×2
+22ft-21ft

Overall

17640

Males

10732

M45-49

10732

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2808*
Passed By
501
Net Change
+2307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22444
5K → 10K603*88+515#22444#21929
10K → 15K340*68+272#21929#21657
15K → 20K326*44+282#21657#21375
20K → HALF696+63#21375#21312
HALF → 25K321*9+312#21312#21000
25K → 30K407*19+388#21000#20612
30K → 20M216*7+209#20612#20403
20M → 21M12048+72#20403#20331
21M → 35K4041-1#20331#20332
35K → 23M7549+26#20332#20306
23M → 24M7449+25#20306#20281
24M → 40K6736+31#20281#20250
40K → 25.2M4018+22#20250#20228
25.2M → FINISH11019+91#20228#20137
TOTALS2808*501+2307

* 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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing