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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Mark Ambrefe

Bib: 7946 •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
37:31
3.11 mi
Rank: #28824
Start → 5K
37:31 | 12:05/mi
10K
1:15:05
6.21 mi
Rank: #28762 (+62)
5K → 10K
37:34 | 12:06/mi
15K
1:55:56
9.32 mi
Rank: #28844 (-82)
10K → 15K
40:51 | 13:09/mi
20K
2:32:33
12.43 mi
Rank: #28664 (+180)
15K → 20K
36:37 | 11:48/mi
HALF
2:40:42
13.11 mi
Rank: #28651 (+13)
20K → HALF
8:09 | 11:58/mi
25K
3:15:19
15.53 mi
Rank: #28703 (-52)
HALF → 25K
34:37 | 14:17/mi
30K
3:55:18
18.64 mi
Rank: #28554 (+149)
25K → 30K
39:59 | 12:53/mi
20M
4:11:43
20.00 mi
Rank: #28462 (+92)
30K → 20M
16:25 | 12:06/mi
21M
4:24:29
21.00 mi
Rank: #28380 (+82)
20M → 21M
12:46 | 12:46/mi
35K
4:33:12
21.75 mi
Rank: #28329 (+51)
21M → 35K
8:43 | 11:40/mi
23M
4:47:23
23.00 mi
Rank: #28228 (+101)
35K → 23M
14:11 | 11:21/mi
24M
4:58:27
24.00 mi
Rank: #28148 (+80)
23M → 24M
11:04 | 11:04/mi
40K
5:08:46
24.85 mi
Rank: #28091 (+57)
24M → 40K
10:19 | 12:04/mi
25.2M
5:13:44
25.20 mi
Rank: #28088 (+3)
40K → 25.2M
4:58 | 14:25/mi
FINISH
5:24:51
26.22 mi
Rank: #28048 (+40)
25.2M → FINISH
11:07 | 10:55/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:40:42
Pace12:16 /mi
2nd Half
Distance13.11 mi
Time2:44:09
Pace12:32 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:5837:3112:0537:31
12:05
-
10K
6.21 mi12:37:321:15:0512:0637:34
12:06
+0:01
15K
9.32 mi13:18:231:55:5612:2740:51
13:09
+1:03
20K
12.43 mi13:55:002:32:3312:1736:37
11:48
-1:21
HALF
13.11 mi14:03:092:40:4212:168:09
11:58
+0:10
25K
15.53 mi14:37:463:15:1912:3534:37
14:17
+2:19
30K
18.64 mi15:17:453:55:1812:3839:59
12:53
-1:24
20M
20.00 mi15:34:104:11:4312:3616:25
12:06
-0:47
21M
21.00 mi15:46:564:24:2912:3612:46
12:46
+0:40
35K
21.75 mi15:55:394:33:1212:348:43
11:40
-1:06
23M
23.00 mi16:09:504:47:2312:3014:11
11:21
-0:19
24M
24.00 mi16:20:544:58:2712:2711:04
11:04
-0:17
40K
24.85 mi16:31:135:08:4612:2610:19
12:04
+1:00
25.2M
25.20 mi16:36:115:13:4412:274:58
14:25
+2:21
FINISH
26.22 mi16:47:185:24:5112:2411:07
10:55
-3:30

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

10:55 /mi

Average Pace

12:24 /mi

Slowest Pace

14:25 /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

36:22

11% of race

Time at Steady Pace

2:35:18

48% of race

Time at Slower Pace

2:13:11

41% of race

Average Pace: 12:23 /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 mi11:59:5837:3112:0537:31
12:05
#28824
10K
6.21 mi12:37:321:15:0512:0637:34
12:06
#28762
15K
9.32 mi13:18:231:55:5612:2740:51
13:09
#28844
20K
12.43 mi13:55:002:32:3312:1736:37
11:48
#28664
HALF
13.11 mi14:03:092:40:4212:168:09
11:58
#28651
25K
15.53 mi14:37:463:15:1912:3534:37
14:17
#28703
30K
18.64 mi15:17:453:55:1812:3839:59
12:53
#28554
20M
20.00 mi15:34:104:11:4312:3616:25
12:06
#28462
21M
21.00 mi15:46:564:24:2912:3612:46
12:46
#28380
35K
21.75 mi15:55:394:33:1212:348:43
11:40
#28329
23M
23.00 mi16:09:504:47:2312:3014:11
11:21
#28228
24M
24.00 mi16:20:544:58:2712:2711:04
11:04
#28148
40K
24.85 mi16:31:135:08:4612:2610:19
12:04
#28091
25.2M
25.20 mi16:36:115:13:4412:274:58
14:25
#28088
FINISH
26.22 mi16:47:185:24:5112:2411:07
10:55
#28048
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 mi28824162791627928876(Top 100%)16292(Top 100%)16292(Top 285%)
10K6.21 mi3.10 mi28762+6216258+2116258+2128630(Top 99%)16221(Top 99%)16221(Top 283%)
15K9.32 mi3.11 mi28844-8216289-3116289-3128876(Top 100%)16292(Top 100%)16292(Top 285%)
20K12.43 mi3.11 mi28664+18016226+6316226+6327818(Top 96%)15915(Top 97%)15915(Top 278%)
HALF13.11 mi0.68 mi28651+1316223+316223+328247(Top 97%)16034(Top 98%)16034(Top 280%)
25K15.53 mi2.42 mi28703-5216236-1316236-1328773(Top 99%)16233(Top 99%)16233(Top 284%)
30K18.64 mi3.11 mi28554+14916174+6216174+6227608(Top 95%)15730(Top 96%)15730(Top 275%)
20M20.00 mi1.36 mi28462+9216136+3816136+3826518(Top 91%)15167(Top 93%)15167(Top 265%)
21M21.00 mi1.00 mi28380+8216113+2316113+2326100(Top 90%)14938(Top 91%)14938(Top 261%)
35K21.75 mi0.75 mi28329+5116094+1916094+1926296(Top 91%)15010(Top 92%)15010(Top 262%)
23M23.00 mi1.25 mi28228+10116053+4116053+4125138(Top 87%)14406(Top 88%)14406(Top 252%)
24M24.00 mi1.00 mi28148+8016010+4316010+4325240(Top 87%)14439(Top 88%)14439(Top 252%)
40K24.85 mi0.85 mi28091+5715989+2115989+2125997(Top 90%)14765(Top 90%)14765(Top 258%)
25.2M25.20 mi0.35 mi28088+315986+315986+327543(Top 95%)15549(Top 95%)15549(Top 272%)
FINISH26.22 mi1.02 mi28048+4015967+1915967+1925952(Top 89%)14739(Top 90%)14739(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21
+97ft-345ft

Overall

28876

Males

16292

M18-39

16292

5K→10K

3.1 - 6.2 mi

Top 99%
×5
+79ft-138ft

Overall

28630

Males

16221

M18-39

16221

10K→15K

6.2 - 9.3 mi

Top 100%
×3
+67ft-78ft

Overall

28876

Males

16292

M18-39

16292

15K→20K

9.3 - 12.4 mi

Top 96%
×5
+106ft-86ft

Overall

27818

Males

15915

M18-39

15915

20K→HALF

12.4 - 13.1 mi

Top 97%
×2
+19ft-37ft

Overall

28247

Males

16034

M18-39

16034

HALF→25K

13.1 - 15.5 mi

Top 99%
×4
+66ft-88ft

Overall

28773

Males

16233

M18-39

16233

25K→30K

15.5 - 18.6 mi

Top 95%
×9
+181ft-148ft

Overall

27608

Males

15730

M18-39

15730

30K→20M

18.6 - 20.0 mi

Top 91%
×5
+64ft-50ft

Overall

26518

Males

15167

M18-39

15167

20M→21M

20.0 - 21.0 mi

Top 90%
×8
+106ft-24ft

Overall

26100

Males

14938

M18-39

14938

21M→35K

21.0 - 21.8 mi

Top 91%
×7
+17ft-86ft

Overall

26296

Males

15010

M18-39

15010

35K→23M

21.8 - 23.0 mi

Top 87%
×5
+23ft-63ft

Overall

25138

Males

14406

M18-39

14406

23M→24M

23.0 - 24.0 mi

Top 87%
×6
+12ft-82ft

Overall

25240

Males

14439

M18-39

14439

24M→40K

24.0 - 24.9 mi

Top 90%
×1
+6ft-20ft

Overall

25997

Males

14765

M18-39

14765

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1
+13ft-16ft

Overall

27543

Males

15549

M18-39

15549

25.2M→FINISH

25.2 - 26.2 mi

Top 89%
×2
+22ft-21ft

Overall

25952

Males

14739

M18-39

14739

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
974
Passed By
198
Net Change
+776
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28824
5K → 10K7614+62#28824#28762
10K → 15K991-82#28762#28844
15K → 20K1811+180#28844#28664
20K → HALF152+13#28664#28651
HALF → 25K2072-52#28651#28703
25K → 30K1534+149#28703#28554
30K → 20M931+92#28554#28462
20M → 21M820+82#28462#28380
21M → 35K521+51#28380#28329
35K → 23M1032+101#28329#28228
23M → 24M811+80#28228#28148
24M → 40K592+57#28148#28091
40K → 25.2M74+3#28091#28088
25.2M → FINISH433+40#28088#28048
TOTALS974198+776
📊

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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