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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sam Keyser

Bib: 29477 •M •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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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
27:58
3.11 mi
Rank: #22658
Start → 5K
27:58 | 9:01/mi
10K
55:42
6.21 mi
Rank: #22571 (+87)
5K → 10K
27:44 | 8:56/mi
15K
1:23:51
9.32 mi
Rank: #22716 (-145)
10K → 15K
28:09 | 9:04/mi
20K
1:51:46
12.43 mi
Rank: #22455 (+261)
15K → 20K
27:55 | 9:00/mi
HALF
1:57:50
13.11 mi
Rank: #22436 (+19)
20K → HALF
6:04 | 8:55/mi
25K
2:19:41
15.53 mi
Rank: #22221 (+215)
HALF → 25K
21:51 | 9:01/mi
30K
2:48:30
18.64 mi
Rank: #21945 (+276)
25K → 30K
28:49 | 9:17/mi
20M
3:01:06
20.00 mi
Rank: #21801 (+144)
30K → 20M
12:36 | 9:17/mi
21M
3:10:28
21.00 mi
Rank: #21586 (+215)
20M → 21M
9:22 | 9:22/mi
35K
3:17:22
21.75 mi
Rank: #21557 (+29)
21M → 35K
6:54 | 9:14/mi
23M
3:28:56
23.00 mi
Rank: #21448 (+109)
35K → 23M
11:34 | 9:15/mi
24M
3:38:15
24.00 mi
Rank: #21438 (+10)
23M → 24M
9:19 | 9:19/mi
40K
3:46:23
24.85 mi
Rank: #21415 (+23)
24M → 40K
8:08 | 9:31/mi
25.2M
3:49:44
25.20 mi
Rank: #21372 (+43)
40K → 25.2M
3:21 | 9:43/mi
FINISH
3:58:12
26.22 mi
Rank: #21228 (+144)
25.2M → FINISH
8:28 | 8:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:57:50
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:00:22
Pace9:11 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5027:589:0127:58
9:01
-
10K
6.21 mi12:20:3455:428:5827:44
8:56
-0:05
15K
9.32 mi12:48:431:23:519:0028:09
9:04
+0:08
20K
12.43 mi13:16:381:51:469:0027:55
9:00
-0:04
HALF
13.11 mi13:22:421:57:509:006:04
8:55
-0:05
25K
15.53 mi13:44:332:19:419:0021:51
9:01
+0:06
30K
18.64 mi14:13:222:48:309:0328:49
9:17
+0:16
20M
20.00 mi14:25:583:01:069:0412:36
9:17
0:00
21M
21.00 mi14:35:203:10:289:059:22
9:22
+0:05
35K
21.75 mi14:42:143:17:229:056:54
9:14
-0:08
23M
23.00 mi14:53:483:28:569:0611:34
9:15
+0:01
24M
24.00 mi15:03:073:38:159:069:19
9:19
+0:04
40K
24.85 mi15:11:153:46:239:078:08
9:31
+0:12
25.2M
25.20 mi15:14:363:49:449:073:21
9:43
+0:12
FINISH
26.22 mi15:23:043:58:129:068:28
8:19
-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

8:19 /mi

Average Pace

9:05 /mi

Slowest Pace

9:43 /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

2:28:09

62% of race

Time at Steady Pace

1:30:03

38% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:05 /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 mi11:52:5027:589:0127:58
9:01
#22658
10K
6.21 mi12:20:3455:428:5827:44
8:56
#22571
15K
9.32 mi12:48:431:23:519:0028:09
9:04
#22716
20K
12.43 mi13:16:381:51:469:0027:55
9:00
#22455
HALF
13.11 mi13:22:421:57:509:006:04
8:55
#22436
25K
15.53 mi13:44:332:19:419:0021:51
9:01
#22221
30K
18.64 mi14:13:222:48:309:0328:49
9:17
#21945
20M
20.00 mi14:25:583:01:069:0412:36
9:17
#21801
21M
21.00 mi14:35:203:10:289:059:22
9:22
#21586
35K
21.75 mi14:42:143:17:229:056:54
9:14
#21557
23M
23.00 mi14:53:483:28:569:0611:34
9:15
#21448
24M
24.00 mi15:03:073:38:159:069:19
9:19
#21438
40K
24.85 mi15:11:153:46:239:078:08
9:31
#21415
25.2M
25.20 mi15:14:363:49:449:073:21
9:43
#21372
FINISH
26.22 mi15:23:043:58:129:068:28
8:19
#21228
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 mi22658135601356022958(Top 79%)13742(Top 84%)13742(Top 240%)
10K6.21 mi3.10 mi22571+8713534+2613534+2622510(Top 78%)13507(Top 83%)13507(Top 236%)
15K9.32 mi3.11 mi22716-14513609-7513609-7522958(Top 79%)13742(Top 84%)13742(Top 240%)
20K12.43 mi3.11 mi22455+26113477+13213477+13221843(Top 75%)13173(Top 81%)13173(Top 230%)
HALF13.11 mi0.68 mi22436+1913467+1013467+1022257(Top 77%)13385(Top 82%)13385(Top 234%)
25K15.53 mi2.42 mi22221+21513354+11313354+11321221(Top 73%)12852(Top 79%)12852(Top 225%)
30K18.64 mi3.11 mi21945+27613198+15613198+15620839(Top 72%)12579(Top 77%)12579(Top 220%)
20M20.00 mi1.36 mi21801+14413109+8913109+8920177(Top 70%)12203(Top 75%)12203(Top 213%)
21M21.00 mi1.00 mi21586+21512997+11212997+11217934(Top 62%)11120(Top 68%)11120(Top 194%)
35K21.75 mi0.75 mi21557+2912980+1712980+1720873(Top 72%)12421(Top 76%)12421(Top 217%)
23M23.00 mi1.25 mi21448+10912922+5812922+5819597(Top 68%)11743(Top 72%)11743(Top 205%)
24M24.00 mi1.00 mi21438+1012899+2312899+2320682(Top 71%)12222(Top 75%)12222(Top 214%)
40K24.85 mi0.85 mi21415+2312873+2612873+2620432(Top 70%)12065(Top 74%)12065(Top 211%)
25.2M25.20 mi0.35 mi21372+4312851+2212851+2218255(Top 63%)11025(Top 67%)11025(Top 193%)
FINISH26.22 mi1.02 mi21228+14412777+7412777+7417091(Top 59%)10471(Top 64%)10471(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

22958

Males

13742

M18-39

13742

5K→10K

3.1 - 6.2 mi

Top 78%
×5
+79ft-138ft

Overall

22510

Males

13507

M18-39

13507

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

22958

Males

13742

M18-39

13742

15K→20K

9.3 - 12.4 mi

Top 75%
×5
+106ft-86ft

Overall

21843

Males

13173

M18-39

13173

20K→HALF

12.4 - 13.1 mi

Top 77%
×2
+19ft-37ft

Overall

22257

Males

13385

M18-39

13385

HALF→25K

13.1 - 15.5 mi

Top 73%
×4
+66ft-88ft

Overall

21221

Males

12852

M18-39

12852

25K→30K

15.5 - 18.6 mi

Top 72%
×9
+181ft-148ft

Overall

20839

Males

12579

M18-39

12579

30K→20M

18.6 - 20.0 mi

Top 70%
×5
+64ft-50ft

Overall

20177

Males

12203

M18-39

12203

20M→21M

20.0 - 21.0 mi

Top 62%
×8
+106ft-24ft

Overall

17934

Males

11120

M18-39

11120

21M→35K

21.0 - 21.8 mi

Top 72%
×7
+17ft-86ft

Overall

20873

Males

12421

M18-39

12421

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19597

Males

11743

M18-39

11743

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20682

Males

12222

M18-39

12222

24M→40K

24.0 - 24.9 mi

Top 70%
×1
+6ft-20ft

Overall

20432

Males

12065

M18-39

12065

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1
+13ft-16ft

Overall

18255

Males

11025

M18-39

11025

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17091

Males

10471

M18-39

10471

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2176*
Passed By
695
Net Change
+1430
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22658
5K → 10K287*200+87#22658#22571
10K → 15K106200-145#22571#22716
15K → 20K314*53+261#22716#22455
20K → HALF3819+19#22455#22436
HALF → 25K235*20+215#22436#22221
25K → 30K320*44+276#22221#21945
30K → 20M16016+144#21945#21801
20M → 21M217*2+215#21801#21586
21M → 35K5122+29#21586#21557
35K → 23M13425+109#21557#21448
23M → 24M5141+10#21448#21438
24M → 40K6441+23#21438#21415
40K → 25.2M474+43#21415#21372
25.2M → FINISH1528+144#21372#21228
TOTALS2176*695+1430

* 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

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