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BOSTON MARATHON 2026

Zachary Reiser

Bib: 27067•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
29:12
3.11 mi
Rank: #24129
Start → 5K
29:12 | 9:24/mi
10K
57:34
6.21 mi
Rank: #23773 (+356)
5K → 10K
28:22 | 9:08/mi
15K
1:25:40
9.32 mi
Rank: #23512 (+261)
10K → 15K
28:06 | 9:03/mi
20K
1:53:46
12.43 mi
Rank: #23173 (+339)
15K → 20K
28:06 | 9:03/mi
HALF
1:59:50
13.11 mi
Rank: #23128 (+45)
20K → HALF
6:04 | 8:55/mi
25K
2:22:08
15.53 mi
Rank: #22937 (+191)
HALF → 25K
22:18 | 9:12/mi
30K
2:52:27
18.64 mi
Rank: #22822 (+115)
25K → 30K
30:19 | 9:46/mi
20M
3:06:20
20.00 mi
Rank: #22839 (-17)
30K → 20M
13:53 | 10:14/mi
21M
3:18:19
21.00 mi
Rank: #22996 (-157)
20M → 21M
11:59 | 11:59/mi
35K
3:26:30
21.75 mi
Rank: #23094 (-98)
21M → 35K
8:11 | 10:57/mi
23M
3:40:28
23.00 mi
Rank: #23218 (-124)
35K → 23M
13:58 | 11:10/mi
24M
3:52:15
24.00 mi
Rank: #23413 (-195)
23M → 24M
11:47 | 11:47/mi
40K
4:01:14
24.85 mi
Rank: #23378 (+35)
24M → 40K
8:59 | 10:31/mi
25.2M
4:04:48
25.20 mi
Rank: #23322 (+56)
40K → 25.2M
3:34 | 10:21/mi
FINISH
4:15:38
26.22 mi
Rank: #23403 (-81)
25.2M → FINISH
10:50 | 10:38/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:59:50
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:15:48
Pace10:22 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4029:129:2429:12
9:24
-
10K
6.21 mi12:20:0257:349:1628:22
9:08
-0:16
15K
9.32 mi12:48:081:25:409:1228:06
9:03
-0:05
20K
12.43 mi13:16:141:53:469:1028:06
9:03
0:00
HALF
13.11 mi13:22:181:59:509:096:04
8:55
-0:08
25K
15.53 mi13:44:362:22:089:0922:18
9:12
+0:17
30K
18.64 mi14:14:552:52:279:1630:19
9:46
+0:34
20M
20.00 mi14:28:483:06:209:2013:53
10:14
+0:28
21M
21.00 mi14:40:473:18:199:2711:59
11:59
+1:45
35K
21.75 mi14:48:583:26:309:308:11
10:57
-1:02
23M
23.00 mi15:02:563:40:289:3613:58
11:10
+0:13
24M
24.00 mi15:14:433:52:159:4111:47
11:47
+0:37
40K
24.85 mi15:23:424:01:149:438:59
10:31
-1:16
25.2M
25.20 mi15:27:164:04:489:433:34
10:21
-0:10
FINISH
26.22 mi15:38:064:15:389:4610:50
10:38
+0:17

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

8:55 /mi

Average Pace

9:45 /mi

Slowest Pace

11:59 /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

2:22:08

56% of race

Time at Steady Pace

1:07:35

26% of race

Time at Slower Pace

45:55

18% of race

Average Pace: 9:45 /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 mi11:51:4029:129:2429:12
9:24
#24129
10K
6.21 mi12:20:0257:349:1628:22
9:08
#23773
15K
9.32 mi12:48:081:25:409:1228:06
9:03
#23512
20K
12.43 mi13:16:141:53:469:1028:06
9:03
#23173
HALF
13.11 mi13:22:181:59:509:096:04
8:55
#23128
25K
15.53 mi13:44:362:22:089:0922:18
9:12
#22937
30K
18.64 mi14:14:552:52:279:1630:19
9:46
#22822
20M
20.00 mi14:28:483:06:209:2013:53
10:14
#22839
21M
21.00 mi14:40:473:18:199:2711:59
11:59
#22996
35K
21.75 mi14:48:583:26:309:308:11
10:57
#23094
23M
23.00 mi15:02:563:40:289:3613:58
11:10
#23218
24M
24.00 mi15:14:433:52:159:4111:47
11:47
#23413
40K
24.85 mi15:23:424:01:149:438:59
10:31
#23378
25.2M
25.20 mi15:27:164:04:489:433:34
10:21
#23322
FINISH
26.22 mi15:38:064:15:389:4610:50
10:38
#23403
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 mi24129143001430022901(Top 79%)13717(Top 84%)13717(Top 240%)
10K6.21 mi3.10 mi23773+35614128+17214128+17223342(Top 80%)13927(Top 85%)13927(Top 243%)
15K9.32 mi3.11 mi23512+26114002+12614002+12622901(Top 79%)13717(Top 84%)13717(Top 240%)
20K12.43 mi3.11 mi23173+33913820+18213820+18222124(Top 76%)13310(Top 81%)13310(Top 233%)
HALF13.11 mi0.68 mi23128+4513799+2113799+2122277(Top 77%)13405(Top 82%)13405(Top 234%)
25K15.53 mi2.42 mi22937+19113707+9213707+9222016(Top 76%)13244(Top 81%)13244(Top 231%)
30K18.64 mi3.11 mi22822+11513620+8713620+8722443(Top 77%)13357(Top 82%)13357(Top 233%)
20M20.00 mi1.36 mi22839-1713607+1313607+1323150(Top 80%)13608(Top 83%)13608(Top 238%)
21M21.00 mi1.00 mi22996-15713665-5813665-5825037(Top 86%)14421(Top 88%)14421(Top 252%)
35K21.75 mi0.75 mi23094-9813701-3613701-3625158(Top 87%)14458(Top 88%)14458(Top 253%)
23M23.00 mi1.25 mi23218-12413759-5813759-5824807(Top 85%)14239(Top 87%)14239(Top 249%)
24M24.00 mi1.00 mi23413-19513847-8813847-8826319(Top 91%)14943(Top 91%)14943(Top 261%)
40K24.85 mi0.85 mi23378+3513817+3013817+3023216(Top 80%)13396(Top 82%)13396(Top 234%)
25.2M25.20 mi0.35 mi23322+5613782+3513782+3520581(Top 71%)12155(Top 74%)12155(Top 212%)
FINISH26.22 mi1.02 mi23403-8113812-3013812-3025345(Top 87%)14437(Top 88%)14437(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

22901

Males

13717

M18-39

13717

5K→10K

3.1 - 6.2 mi

Top 80%
×5
+79ft-138ft

Overall

23342

Males

13927

M18-39

13927

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

22901

Males

13717

M18-39

13717

15K→20K

9.3 - 12.4 mi

Top 76%
×5
+106ft-86ft

Overall

22124

Males

13310

M18-39

13310

20K→HALF

12.4 - 13.1 mi

Top 77%
×2
+19ft-37ft

Overall

22277

Males

13405

M18-39

13405

HALF→25K

13.1 - 15.5 mi

Top 76%
×4
+66ft-88ft

Overall

22016

Males

13244

M18-39

13244

25K→30K

15.5 - 18.6 mi

Top 77%
×9
+181ft-148ft

Overall

22443

Males

13357

M18-39

13357

30K→20M

18.6 - 20.0 mi

Top 80%
×5
+64ft-50ft

Overall

23150

Males

13608

M18-39

13608

20M→21M

20.0 - 21.0 mi

Top 86%
×8
+106ft-24ft

Overall

25037

Males

14421

M18-39

14421

21M→35K

21.0 - 21.8 mi

Top 87%
×7
+17ft-86ft

Overall

25158

Males

14458

M18-39

14458

35K→23M

21.8 - 23.0 mi

Top 85%
×5
+23ft-63ft

Overall

24807

Males

14239

M18-39

14239

23M→24M

23.0 - 24.0 mi

Top 91%
×6
+12ft-82ft

Overall

26319

Males

14943

M18-39

14943

24M→40K

24.0 - 24.9 mi

Top 80%
×1
+6ft-20ft

Overall

23216

Males

13396

M18-39

13396

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1
+13ft-16ft

Overall

20581

Males

12155

M18-39

12155

25.2M→FINISH

25.2 - 26.2 mi

Top 87%
×2
+22ft-21ft

Overall

25345

Males

14437

M18-39

14437

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1919
Passed By
1193
Net Change
+726
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24129
5K → 10K43579+356#24129#23773
10K → 15K31251+261#23773#23512
15K → 20K36728+339#23512#23173
20K → HALF516+45#23173#23128
HALF → 25K23645+191#23128#22937
25K → 30K21095+115#22937#22822
30K → 20M6582-17#22822#22839
20M → 21M44201-157#22839#22996
21M → 35K16114-98#22996#23094
35K → 23M23147-124#23094#23218
23M → 24M19214-195#23218#23413
24M → 40K6631+35#23413#23378
40K → 25.2M571+56#23378#23322
25.2M → FINISH1899-81#23322#23403
TOTALS19191193+726
📊

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