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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Eduardo Castrillon

Bib: 31472 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M65-69)
#0 / 774
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
40:18
3.11 mi
Rank: #28978
Start → 5K
40:18 | 12:59/mi
10K
1:23:21
6.21 mi
Rank: #28998 (-20)
5K → 10K
43:03 | 13:52/mi
15K
2:06:18
9.32 mi
Rank: #28999 (-1)
10K → 15K
42:57 | 13:50/mi
20K
2:50:54
12.43 mi
Rank: #29000 (-1)
15K → 20K
44:36 | 14:22/mi
HALF
2:59:54
13.11 mi
Rank: #28998 (+2)
20K → HALF
9:00 | 13:13/mi
25K
3:34:04
15.53 mi
Rank: #28991 (+7)
HALF → 25K
34:10 | 14:06/mi
30K
4:17:21
18.64 mi
Rank: #28967 (+24)
25K → 30K
43:17 | 13:57/mi
20M
4:36:17
20.00 mi
Rank: #28953 (+14)
30K → 20M
18:56 | 13:57/mi
21M
4:50:22
21.00 mi
Rank: #28939 (+14)
20M → 21M
14:05 | 14:05/mi
35K
4:59:44
21.75 mi
Rank: #28924 (+15)
21M → 35K
9:22 | 12:32/mi
23M
5:15:45
23.00 mi
Rank: #28901 (+23)
35K → 23M
16:01 | 12:48/mi
24M
5:28:46
24.00 mi
Rank: #28888 (+13)
23M → 24M
13:01 | 13:01/mi
40K
5:40:35
24.85 mi
Rank: #28876 (+12)
24M → 40K
11:49 | 13:50/mi
25.2M
5:45:51
25.20 mi
Rank: #28873 (+3)
40K → 25.2M
5:16 | 15:17/mi
FINISH
5:59:17
26.22 mi
Rank: #28867 (+6)
25.2M → FINISH
13:26 | 13:11/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time2:59:54
Pace13:44 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:59:23
Pace13:41 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:09:1540:1812:5940:18
12:59
-
10K
6.21 mi12:52:181:23:2113:2543:03
13:52
+0:53
15K
9.32 mi13:35:152:06:1813:3442:57
13:50
-0:02
20K
12.43 mi14:19:512:50:5413:4644:36
14:22
+0:32
HALF
13.11 mi14:28:512:59:5413:449:00
13:13
-1:09
25K
15.53 mi15:03:013:34:0413:4734:10
14:06
+0:53
30K
18.64 mi15:46:184:17:2113:4943:17
13:57
-0:09
20M
20.00 mi16:05:144:36:1713:4918:56
13:57
0:00
21M
21.00 mi16:19:194:50:2213:5014:05
14:05
+0:08
35K
21.75 mi16:28:414:59:4413:479:22
12:32
-1:33
23M
23.00 mi16:44:425:15:4513:4416:01
12:48
+0:16
24M
24.00 mi16:57:435:28:4613:4213:01
13:01
+0:13
40K
24.85 mi17:09:325:40:3513:4311:49
13:50
+0:49
25.2M
25.20 mi17:14:485:45:5113:445:16
15:17
+1:27
FINISH
26.22 mi17:28:145:59:1713:4313:26
13:11
-2:06

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

12:32 /mi

Average Pace

13:43 /mi

Slowest Pace

15:17 /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

1:41:08

28% of race

Time at Steady Pace

3:28:17

58% of race

Time at Slower Pace

49:52

14% of race

Average Pace: 13:42 /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 mi12:09:1540:1812:5940:18
12:59
#28978
10K
6.21 mi12:52:181:23:2113:2543:03
13:52
#28998
15K
9.32 mi13:35:152:06:1813:3442:57
13:50
#28999
20K
12.43 mi14:19:512:50:5413:4644:36
14:22
#29000
HALF
13.11 mi14:28:512:59:5413:449:00
13:13
#28998
25K
15.53 mi15:03:013:34:0413:4734:10
14:06
#28991
30K
18.64 mi15:46:184:17:2113:4943:17
13:57
#28967
20M
20.00 mi16:05:144:36:1713:4918:56
13:57
#28953
21M
21.00 mi16:19:194:50:2213:5014:05
14:05
#28939
35K
21.75 mi16:28:414:59:4413:479:22
12:32
#28924
23M
23.00 mi16:44:425:15:4513:4416:01
12:48
#28901
24M
24.00 mi16:57:435:28:4613:4213:01
13:01
#28888
40K
24.85 mi17:09:325:40:3513:4311:49
13:50
#28876
25.2M
25.20 mi17:14:485:45:5113:445:16
15:17
#28873
FINISH
26.22 mi17:28:145:59:1713:4313:26
13:11
#28867
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi28978163231632328969(Top 100%)16315(Top 100%)16315(Top 2108%)
10K6.21 mi3.10 mi28998-2016328-516328-528998(Top 100%)16327(Top 100%)16327(Top 2109%)
15K9.32 mi3.11 mi28999-116330-216330-228969(Top 100%)16315(Top 100%)16315(Top 2108%)
20K12.43 mi3.11 mi29000-1163301633028951(Top 100%)16305(Top 100%)16305(Top 2107%)
HALF13.11 mi0.68 mi28998+216329+116329+128774(Top 99%)16225(Top 99%)16225(Top 2096%)
25K15.53 mi2.42 mi28991+716327+216327+228717(Top 99%)16211(Top 99%)16211(Top 2094%)
30K18.64 mi3.11 mi28967+2416316+1116316+1128319(Top 98%)16020(Top 98%)16020(Top 2070%)
20M20.00 mi1.36 mi28953+1416308+816308+828075(Top 97%)15888(Top 97%)15888(Top 2053%)
21M21.00 mi1.00 mi28939+1416304+416304+427391(Top 94%)15549(Top 95%)15549(Top 2009%)
35K21.75 mi0.75 mi28924+1516301+316301+327288(Top 94%)15488(Top 95%)15488(Top 2001%)
23M23.00 mi1.25 mi28901+2316289+1216289+1227115(Top 93%)15381(Top 94%)15381(Top 1987%)
24M24.00 mi1.00 mi28888+1316282+716282+727662(Top 95%)15619(Top 96%)15619(Top 2018%)
40K24.85 mi0.85 mi28876+1216278+416278+427770(Top 96%)15669(Top 96%)15669(Top 2024%)
25.2M25.20 mi0.35 mi28873+316275+316275+328075(Top 97%)15814(Top 97%)15814(Top 2043%)
FINISH26.22 mi1.02 mi28867+616274+116274+128328(Top 98%)15953(Top 98%)15953(Top 2061%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21
+97ft-345ft

Overall

28969

Males

16315

M65-69

16315

5K→10K

3.1 - 6.2 mi

Top 100%
×5
+79ft-138ft

Overall

28998

Males

16327

M65-69

16327

10K→15K

6.2 - 9.3 mi

Top 100%
×3
+67ft-78ft

Overall

28969

Males

16315

M65-69

16315

15K→20K

9.3 - 12.4 mi

Top 100%
×5
+106ft-86ft

Overall

28951

Males

16305

M65-69

16305

20K→HALF

12.4 - 13.1 mi

Top 99%
×2
+19ft-37ft

Overall

28774

Males

16225

M65-69

16225

HALF→25K

13.1 - 15.5 mi

Top 99%
×4
+66ft-88ft

Overall

28717

Males

16211

M65-69

16211

25K→30K

15.5 - 18.6 mi

Top 98%
×9
+181ft-148ft

Overall

28319

Males

16020

M65-69

16020

30K→20M

18.6 - 20.0 mi

Top 97%
×5
+64ft-50ft

Overall

28075

Males

15888

M65-69

15888

20M→21M

20.0 - 21.0 mi

Top 94%
×8
+106ft-24ft

Overall

27391

Males

15549

M65-69

15549

21M→35K

21.0 - 21.8 mi

Top 94%
×7
+17ft-86ft

Overall

27288

Males

15488

M65-69

15488

35K→23M

21.8 - 23.0 mi

Top 93%
×5
+23ft-63ft

Overall

27115

Males

15381

M65-69

15381

23M→24M

23.0 - 24.0 mi

Top 95%
×6
+12ft-82ft

Overall

27662

Males

15619

M65-69

15619

24M→40K

24.0 - 24.9 mi

Top 96%
×1
+6ft-20ft

Overall

27770

Males

15669

M65-69

15669

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1
+13ft-16ft

Overall

28075

Males

15814

M65-69

15814

25.2M→FINISH

25.2 - 26.2 mi

Top 98%
×2
+22ft-21ft

Overall

28328

Males

15953

M65-69

15953

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
153
Passed By
42
Net Change
+111
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28978
5K → 10K424-20#28978#28998
10K → 15K34-1#28998#28999
15K → 20K34-1#28999#29000
20K → HALF20+2#29000#28998
HALF → 25K70+7#28998#28991
25K → 30K251+24#28991#28967
30K → 20M140+14#28967#28953
20M → 21M140+14#28953#28939
21M → 35K150+15#28939#28924
35K → 23M241+23#28924#28901
23M → 24M130+13#28901#28888
24M → 40K131+12#28888#28876
40K → 25.2M52+3#28876#28873
25.2M → FINISH115+6#28873#28867
TOTALS15342+111
📊

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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Activity Data

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