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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Alejandro Contreras

Bib: 18561 •X •Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Other)
#0 / 103
Age Group
Not available
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
24:01
3.11 mi
Rank: #14851
Start → 5K
24:01 | 7:44/mi
10K
47:46
6.21 mi
Rank: #14516 (+335)
5K → 10K
23:45 | 7:39/mi
15K
1:11:20
9.32 mi
Rank: #14136 (+380)
10K → 15K
23:34 | 7:36/mi
20K
1:36:02
12.43 mi
Rank: #14534 (-398)
15K → 20K
24:42 | 7:58/mi
HALF
1:41:13
13.11 mi
Rank: #14519 (+15)
20K → HALF
5:11 | 7:37/mi
25K
2:00:23
15.53 mi
Rank: #14509 (+10)
HALF → 25K
19:10 | 7:55/mi
30K
2:25:56
18.64 mi
Rank: #14600 (-91)
25K → 30K
25:33 | 8:14/mi
20M
2:37:19
20.00 mi
Rank: #14642 (-42)
30K → 20M
11:23 | 8:23/mi
21M
2:46:13
21.00 mi
Rank: #14684 (-42)
20M → 21M
8:54 | 8:54/mi
35K
2:52:16
21.75 mi
Rank: #14686 (-2)
21M → 35K
6:03 | 8:06/mi
23M
3:02:40
23.00 mi
Rank: #14663 (+23)
35K → 23M
10:24 | 8:19/mi
24M
3:10:36
24.00 mi
Rank: #14584 (+79)
23M → 24M
7:56 | 7:56/mi
40K
3:17:32
24.85 mi
Rank: #14539 (+45)
24M → 40K
6:56 | 8:07/mi
25.2M
3:20:48
25.20 mi
Rank: #14590 (-51)
40K → 25.2M
3:16 | 9:29/mi
FINISH
3:28:49
26.22 mi
Rank: #14572 (+18)
25.2M → FINISH
8:01 | 7:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:13
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:47:36
Pace8:13 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:4424:017:4424:01
7:44
-
10K
6.21 mi11:30:2947:467:4223:45
7:39
-0:05
15K
9.32 mi11:54:031:11:207:4023:34
7:36
-0:03
20K
12.43 mi12:18:451:36:027:4424:42
7:58
+0:22
HALF
13.11 mi12:23:561:41:137:445:11
7:37
-0:21
25K
15.53 mi12:43:062:00:237:4519:10
7:55
+0:18
30K
18.64 mi13:08:392:25:567:5025:33
8:14
+0:19
20M
20.00 mi13:20:022:37:197:5211:23
8:23
+0:09
21M
21.00 mi13:28:562:46:137:558:54
8:54
+0:31
35K
21.75 mi13:34:592:52:167:566:03
8:06
-0:48
23M
23.00 mi13:45:233:02:407:5710:24
8:19
+0:13
24M
24.00 mi13:53:193:10:367:577:56
7:56
-0:23
40K
24.85 mi14:00:153:17:327:576:56
8:07
+0:11
25.2M
25.20 mi14:03:313:20:487:593:16
9:29
+1:22
FINISH
26.22 mi14:11:323:28:497:598:01
7:53
-1:36

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

7:36 /mi

Average Pace

7:58 /mi

Slowest Pace

9:29 /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

52:30

25% of race

Time at Steady Pace

1:36:49

46% of race

Time at Slower Pace

59:30

28% of race

Average Pace: 7:58 /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 mi11:06:4424:017:4424:01
7:44
#14851
10K
6.21 mi11:30:2947:467:4223:45
7:39
#14516
15K
9.32 mi11:54:031:11:207:4023:34
7:36
#14136
20K
12.43 mi12:18:451:36:027:4424:42
7:58
#14534
HALF
13.11 mi12:23:561:41:137:445:11
7:37
#14519
25K
15.53 mi12:43:062:00:237:4519:10
7:55
#14509
30K
18.64 mi13:08:392:25:567:5025:33
8:14
#14600
20M
20.00 mi13:20:022:37:197:5211:23
8:23
#14642
21M
21.00 mi13:28:562:46:137:558:54
8:54
#14684
35K
21.75 mi13:34:592:52:167:566:03
8:06
#14686
23M
23.00 mi13:45:233:02:407:5710:24
8:19
#14663
24M
24.00 mi13:53:193:10:367:577:56
7:56
#14584
40K
24.85 mi14:00:153:17:327:576:56
8:07
#14539
25.2M
25.20 mi14:03:313:20:487:593:16
9:29
#14590
FINISH
26.22 mi14:11:323:28:497:598:01
7:53
#14572
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi14851606013563(Top 47%)57(Top 55%)57
10K6.21 mi3.10 mi14516+335606014303(Top 49%)58(Top 56%)58
15K9.32 mi3.11 mi14136+38059+159+113563(Top 47%)57(Top 55%)57
20K12.43 mi3.11 mi14534-39860-160-115770(Top 54%)67(Top 65%)67
HALF13.11 mi0.68 mi14519+15606014025(Top 48%)53(Top 51%)53
25K15.53 mi2.42 mi14509+1059+159+114661(Top 51%)56(Top 54%)56
30K18.64 mi3.11 mi14600-91595915102(Top 52%)55(Top 53%)55
20M20.00 mi1.36 mi14642-4257+257+215482(Top 53%)54(Top 52%)54
21M21.00 mi1.00 mi14684-42575715619(Top 54%)53(Top 51%)53
35K21.75 mi0.75 mi14686-2575715148(Top 52%)53(Top 51%)53
23M23.00 mi1.25 mi14663+23575714572(Top 50%)50(Top 49%)50
24M24.00 mi1.00 mi14584+7955+255+213346(Top 46%)48(Top 47%)48
40K24.85 mi0.85 mi14539+4552+352+313273(Top 46%)48(Top 47%)48
25.2M25.20 mi0.35 mi14590-5153-153-117308(Top 60%)68(Top 66%)68
FINISH26.22 mi1.02 mi14572+1852+152+114324(Top 49%)50(Top 49%)50

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21
+97ft-345ft

Overall

13563

X

57

Age Div

57

5K→10K

3.1 - 6.2 mi

Top 49%
×5
+79ft-138ft

Overall

14303

X

58

Age Div

58

10K→15K

6.2 - 9.3 mi

Top 47%
×3
+67ft-78ft

Overall

13563

X

57

Age Div

57

15K→20K

9.3 - 12.4 mi

Top 54%
×5
+106ft-86ft

Overall

15770

X

67

Age Div

67

20K→HALF

12.4 - 13.1 mi

Top 48%
×2
+19ft-37ft

Overall

14025

X

53

Age Div

53

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14661

X

56

Age Div

56

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

15102

X

55

Age Div

55

30K→20M

18.6 - 20.0 mi

Top 53%
×5
+64ft-50ft

Overall

15482

X

54

Age Div

54

20M→21M

20.0 - 21.0 mi

Top 54%
×8
+106ft-24ft

Overall

15619

X

53

Age Div

53

21M→35K

21.0 - 21.8 mi

Top 52%
×7
+17ft-86ft

Overall

15148

X

53

Age Div

53

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14572

X

50

Age Div

50

23M→24M

23.0 - 24.0 mi

Top 46%
×6
+12ft-82ft

Overall

13346

X

48

Age Div

48

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13273

X

48

Age Div

48

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1
+13ft-16ft

Overall

17308

X

68

Age Div

68

25.2M→FINISH

25.2 - 26.2 mi

Top 49%
×2
+22ft-21ft

Overall

14324

X

50

Age Div

50

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1988*
Passed By
1376
Net Change
+279
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14851
5K → 10K496*161+335#14851#14516
10K → 15K430*50+380#14516#14136
15K → 20K73200-398#14136#14534
20K → HALF4227+15#14534#14519
HALF → 25K146136+10#14519#14509
25K → 30K171200-91#14509#14600
30K → 20M79121-42#14600#14642
20M → 21M85127-42#14642#14684
21M → 35K5557-2#14684#14686
35K → 23M11895+23#14686#14663
23M → 24M11435+79#14663#14584
24M → 40K8742+45#14584#14539
40K → 25.2M1869-51#14539#14590
25.2M → FINISH7456+18#14590#14572
TOTALS1988*1376+279

* 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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