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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sergio Martinez Sierra

Bib: 4460 β€’M β€’Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 6%
Gender (Male)
#0 / 16340
Top 10%
Age Group (M18-39)
#0 / 5723
Top 26%
Race Day Weather
51Β°/41Β°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
19:00
3.11 mi
Rank: #1666
Start β†’ 5K
19:00 | 6:07/mi
10K
37:48
6.21 mi
Rank: #1612 (+54)
5K β†’ 10K
18:48 | 6:04/mi
15K
56:35
9.32 mi
Rank: #1590 (+22)
10K β†’ 15K
18:47 | 6:03/mi
20K
1:15:30
12.43 mi
Rank: #1576 (+14)
15K β†’ 20K
18:55 | 6:06/mi
HALF
1:19:35
13.11 mi
Rank: #1571 (+5)
20K β†’ HALF
4:05 | 6:00/mi
25K
1:34:20
15.53 mi
Rank: #1524 (+47)
HALF β†’ 25K
14:45 | 6:05/mi
30K
1:53:53
18.64 mi
Rank: #1500 (+24)
25K β†’ 30K
19:33 | 6:18/mi
20M
2:02:34
20.00 mi
Rank: #1519 (-19)
30K β†’ 20M
8:41 | 6:24/mi
21M
2:09:18
21.00 mi
Rank: #1521 (-2)
20M β†’ 21M
6:44 | 6:44/mi
35K
2:14:06
21.75 mi
Rank: #1554 (-33)
21M β†’ 35K
4:48 | 6:25/mi
23M
2:22:22
23.00 mi
Rank: #1579 (-25)
35K β†’ 23M
8:16 | 6:37/mi
24M
2:29:02
24.00 mi
Rank: #1634 (-55)
23M β†’ 24M
6:40 | 6:40/mi
40K
2:34:48
24.85 mi
Rank: #1682 (-48)
24M β†’ 40K
5:46 | 6:45/mi
25.2M
2:37:19
25.20 mi
Rank: #1705 (-23)
40K β†’ 25.2M
2:31 | 7:18/mi
FINISH
2:44:01
26.22 mi
Rank: #1773 (-68)
25.2M β†’ FINISH
6:42 | 6:35/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:19:35
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:24:26
Pace6:27 /mi
πŸ“ŠPositive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0619:006:0719:00
6:07
-
10K
6.21 mi10:39:5437:486:0518:48
6:04
-0:03
15K
9.32 mi10:58:4156:356:0518:47
6:03
-0:01
20K
12.43 mi11:17:361:15:306:0518:55
6:06
+0:03
HALF
13.11 mi11:21:411:19:356:054:05
6:00
-0:06
25K
15.53 mi11:36:261:34:206:0514:45
6:05
+0:05
30K
18.64 mi11:55:591:53:536:0719:33
6:18
+0:13
20M
20.00 mi12:04:402:02:346:088:41
6:24
+0:06
21M
21.00 mi12:11:242:09:186:106:44
6:44
+0:20
35K
21.75 mi12:16:122:14:066:104:48
6:25
-0:19
23M
23.00 mi12:24:282:22:226:128:16
6:37
+0:12
24M
24.00 mi12:31:082:29:026:136:40
6:40
+0:03
40K
24.85 mi12:36:542:34:486:145:46
6:45
+0:05
25.2M
25.20 mi12:39:252:37:196:152:31
7:18
+0:33
FINISH
26.22 mi12:46:072:44:016:166:42
6:35
-0:43

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:00 /mi

Average Pace

6:16 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:34:20

58% of race

Time at Steady Pace

33:02

20% of race

Time at Slower Pace

36:39

22% of race

Average Pace: 6:15 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:21:0619:006:0719:00
6:07
#1666
10K
6.21 mi10:39:5437:486:0518:48
6:04
#1612
15K
9.32 mi10:58:4156:356:0518:47
6:03
#1590
20K
12.43 mi11:17:361:15:306:0518:55
6:06
#1576
HALF
13.11 mi11:21:411:19:356:054:05
6:00
#1571
25K
15.53 mi11:36:261:34:206:0514:45
6:05
#1524
30K
18.64 mi11:55:591:53:536:0719:33
6:18
#1500
20M
20.00 mi12:04:402:02:346:088:41
6:24
#1519
21M
21.00 mi12:11:242:09:186:106:44
6:44
#1521
35K
21.75 mi12:16:122:14:066:104:48
6:25
#1554
23M
23.00 mi12:24:282:22:226:128:16
6:37
#1579
24M
24.00 mi12:31:082:29:026:136:40
6:40
#1634
40K
24.85 mi12:36:542:34:486:145:46
6:45
#1682
25.2M
25.20 mi12:39:252:37:196:152:31
7:18
#1705
FINISH
26.22 mi12:46:072:44:016:166:42
6:35
#1773
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 mi1666160016001560(Top 5%)1503(Top 9%)1503(Top 26%)
10K6.21 mi3.10 mi1612+541552+481552+481570(Top 5%)1510(Top 9%)1510(Top 26%)
15K9.32 mi3.11 mi1590+221529+231529+231560(Top 5%)1503(Top 9%)1503(Top 26%)
20K12.43 mi3.11 mi1576+141515+141515+141546(Top 5%)1492(Top 9%)1492(Top 26%)
HALF13.11 mi0.68 mi1571+51512+31512+31440(Top 5%)1390(Top 9%)1390(Top 24%)
25K15.53 mi2.42 mi1524+471468+441468+441390(Top 5%)1342(Top 8%)1342(Top 23%)
30K18.64 mi3.11 mi1500+241443+251443+251601(Top 6%)1538(Top 9%)1538(Top 27%)
20M20.00 mi1.36 mi1519-191463-201463-201914(Top 7%)1829(Top 11%)1829(Top 32%)
21M21.00 mi1.00 mi1521-21466-31466-32146(Top 7%)2041(Top 12%)2041(Top 36%)
35K21.75 mi0.75 mi1554-331497-311497-313054(Top 11%)2841(Top 17%)2841(Top 50%)
23M23.00 mi1.25 mi1579-251523-261523-262907(Top 10%)2690(Top 16%)2690(Top 47%)
24M24.00 mi1.00 mi1634-551576-531576-534146(Top 14%)3670(Top 22%)3670(Top 64%)
40K24.85 mi0.85 mi1682-481619-431619-433820(Top 13%)3374(Top 21%)3374(Top 59%)
25.2M25.20 mi0.35 mi1705-231641-221641-223971(Top 14%)3428(Top 21%)3428(Top 60%)
FINISH26.22 mi1.02 mi1773-681705-641705-644573(Top 16%)3877(Top 24%)3877(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
Γ—21
+97ft-345ft

Overall

1560

Males

1503

M18-39

1503

5K→10K

3.1 - 6.2 mi

Top 5%
Γ—5
+79ft-138ft

Overall

1570

Males

1510

M18-39

1510

10K→15K

6.2 - 9.3 mi

Top 5%
Γ—3
+67ft-78ft

Overall

1560

Males

1503

M18-39

1503

15K→20K

9.3 - 12.4 mi

Top 5%
Γ—5
+106ft-86ft

Overall

1546

Males

1492

M18-39

1492

20K→HALF

12.4 - 13.1 mi

Top 5%
Γ—2
+19ft-37ft

Overall

1440

Males

1390

M18-39

1390

HALF→25K

13.1 - 15.5 mi

Top 5%
Γ—4
+66ft-88ft

Overall

1390

Males

1342

M18-39

1342

25K→30K

15.5 - 18.6 mi

Top 6%
Γ—9
+181ft-148ft

Overall

1601

Males

1538

M18-39

1538

30K→20M

18.6 - 20.0 mi

Top 7%
Γ—5
+64ft-50ft

Overall

1914

Males

1829

M18-39

1829

20M→21M

20.0 - 21.0 mi

Top 7%
Γ—8
+106ft-24ft

Overall

2146

Males

2041

M18-39

2041

21M→35K

21.0 - 21.8 mi

Top 11%
Γ—7
+17ft-86ft

Overall

3054

Males

2841

M18-39

2841

35K→23M

21.8 - 23.0 mi

Top 10%
Γ—5
+23ft-63ft

Overall

2907

Males

2690

M18-39

2690

23M→24M

23.0 - 24.0 mi

Top 14%
Γ—6
+12ft-82ft

Overall

4146

Males

3670

M18-39

3670

24M→40K

24.0 - 24.9 mi

Top 13%
Γ—1
+6ft-20ft

Overall

3820

Males

3374

M18-39

3374

40K→25.2M

24.9 - 25.2 mi

Top 14%
Γ—1
+13ft-16ft

Overall

3971

Males

3428

M18-39

3428

25.2M→FINISH

25.2 - 26.2 mi

Top 16%
Γ—2
+22ft-21ft

Overall

4573

Males

3877

M18-39

3877

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
486
Passed By
593
Net Change
-107
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#1666
5K β†’ 10K10955+54#1666#1612
10K β†’ 15K6341+22#1612#1590
15K β†’ 20K5339+14#1590#1576
20K β†’ HALF94+5#1576#1571
HALF β†’ 25K6215+47#1571#1524
25K β†’ 30K6440+24#1524#1500
30K β†’ 20M3049-19#1500#1519
20M β†’ 21M2325-2#1519#1521
21M β†’ 35K538-33#1521#1554
35K β†’ 23M2550-25#1554#1579
23M β†’ 24M1570-55#1579#1634
24M β†’ 40K1260-48#1634#1682
40K β†’ 25.2M326-23#1682#1705
25.2M β†’ FINISH1381-68#1705#1773
TOTALS486593-107
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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