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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sebastian Giraldo

Bib: 31571 •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 (M50-54)
#0 / 1868
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
28:57
3.11 mi
Rank: #23853
Start → 5K
28:57 | 9:20/mi
10K
56:59
6.21 mi
Rank: #23442 (+411)
5K → 10K
28:02 | 9:02/mi
15K
1:24:21
9.32 mi
Rank: #22915 (+527)
10K → 15K
27:22 | 8:49/mi
20K
1:52:37
12.43 mi
Rank: #22755 (+160)
15K → 20K
28:16 | 9:06/mi
HALF
1:58:40
13.11 mi
Rank: #22730 (+25)
20K → HALF
6:03 | 8:53/mi
25K
2:21:10
15.53 mi
Rank: #22662 (+68)
HALF → 25K
22:30 | 9:17/mi
30K
2:51:39
18.64 mi
Rank: #22662
25K → 30K
30:29 | 9:49/mi
20M
3:04:55
20.00 mi
Rank: #22597 (+65)
30K → 20M
13:16 | 9:47/mi
21M
3:14:54
21.00 mi
Rank: #22475 (+122)
20M → 21M
9:59 | 9:59/mi
35K
3:21:33
21.75 mi
Rank: #22346 (+129)
21M → 35K
6:39 | 8:54/mi
23M
3:32:32
23.00 mi
Rank: #22083 (+263)
35K → 23M
10:59 | 8:47/mi
24M
3:41:16
24.00 mi
Rank: #21945 (+138)
23M → 24M
8:44 | 8:44/mi
40K
3:48:53
24.85 mi
Rank: #21838 (+107)
24M → 40K
7:37 | 8:55/mi
25.2M
3:52:07
25.20 mi
Rank: #21772 (+66)
40K → 25.2M
3:14 | 9:23/mi
FINISH
4:00:22
26.22 mi
Rank: #21615 (+157)
25.2M → FINISH
8:15 | 8:06/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:58:40
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:01:42
Pace9:17 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:2628:579:2028:57
9:20
-
10K
6.21 mi12:23:2856:599:1128:02
9:02
-0:18
15K
9.32 mi12:50:501:24:219:0327:22
8:49
-0:13
20K
12.43 mi13:19:061:52:379:0428:16
9:06
+0:17
HALF
13.11 mi13:25:091:58:409:046:03
8:53
-0:13
25K
15.53 mi13:47:392:21:109:0622:30
9:17
+0:24
30K
18.64 mi14:18:082:51:399:1330:29
9:49
+0:32
20M
20.00 mi14:31:243:04:559:1513:16
9:47
-0:02
21M
21.00 mi14:41:233:14:549:179:59
9:59
+0:12
35K
21.75 mi14:48:023:21:339:176:39
8:54
-1:05
23M
23.00 mi14:59:013:32:329:1510:59
8:47
-0:07
24M
24.00 mi15:07:453:41:169:148:44
8:44
-0:03
40K
24.85 mi15:15:223:48:539:137:37
8:55
+0:11
25.2M
25.20 mi15:18:363:52:079:133:14
9:23
+0:28
FINISH
26.22 mi15:26:514:00:229:118:15
8:06
-1:17

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

8:06 /mi

Average Pace

9:10 /mi

Slowest Pace

9:59 /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

27:58

12% of race

Time at Steady Pace

1:43:59

43% of race

Time at Slower Pace

1:48:25

45% of race

Average Pace: 9:10 /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 mi11:55:2628:579:2028:57
9:20
#23853
10K
6.21 mi12:23:2856:599:1128:02
9:02
#23442
15K
9.32 mi12:50:501:24:219:0327:22
8:49
#22915
20K
12.43 mi13:19:061:52:379:0428:16
9:06
#22755
HALF
13.11 mi13:25:091:58:409:046:03
8:53
#22730
25K
15.53 mi13:47:392:21:109:0622:30
9:17
#22662
30K
18.64 mi14:18:082:51:399:1330:29
9:49
#22662
20M
20.00 mi14:31:243:04:559:1513:16
9:47
#22597
21M
21.00 mi14:41:233:14:549:179:59
9:59
#22475
35K
21.75 mi14:48:023:21:339:176:39
8:54
#22346
23M
23.00 mi14:59:013:32:329:1510:59
8:47
#22083
24M
24.00 mi15:07:453:41:169:148:44
8:44
#21945
40K
24.85 mi15:15:223:48:539:137:37
8:55
#21838
25.2M
25.20 mi15:18:363:52:079:133:14
9:23
#21772
FINISH
26.22 mi15:26:514:00:229:118:15
8:06
#21615
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23853141651416521771(Top 75%)13159(Top 81%)13159(Top 704%)
10K6.21 mi3.10 mi23442+41113969+19613969+19622925(Top 79%)13715(Top 84%)13715(Top 734%)
15K9.32 mi3.11 mi22915+52713723+24613723+24621771(Top 75%)13159(Top 81%)13159(Top 704%)
20K12.43 mi3.11 mi22755+16013638+8513638+8522346(Top 77%)13421(Top 82%)13421(Top 718%)
HALF13.11 mi0.68 mi22730+2513626+1213626+1222142(Top 76%)13337(Top 82%)13337(Top 714%)
25K15.53 mi2.42 mi22662+6813576+5013576+5022317(Top 77%)13386(Top 82%)13386(Top 717%)
30K18.64 mi3.11 mi2266213538+3813538+3822592(Top 78%)13426(Top 82%)13426(Top 719%)
20M20.00 mi1.36 mi22597+6513493+4513493+4521929(Top 76%)13026(Top 80%)13026(Top 697%)
21M21.00 mi1.00 mi22475+12213426+6713426+6720359(Top 70%)12245(Top 75%)12245(Top 656%)
35K21.75 mi0.75 mi22346+12913356+7013356+7019565(Top 67%)11771(Top 72%)11771(Top 630%)
23M23.00 mi1.25 mi22083+26313205+15113205+15117334(Top 60%)10681(Top 65%)10681(Top 572%)
24M24.00 mi1.00 mi21945+13813129+7613129+7618195(Top 63%)11054(Top 68%)11054(Top 592%)
40K24.85 mi0.85 mi21838+10713067+6213067+6217940(Top 62%)10883(Top 67%)10883(Top 583%)
25.2M25.20 mi0.35 mi21772+6613034+3313034+3316719(Top 58%)10327(Top 63%)10327(Top 553%)
FINISH26.22 mi1.02 mi21615+15712958+7612958+7615778(Top 54%)9904(Top 61%)9904(Top 530%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21
+97ft-345ft

Overall

21771

Males

13159

M50-54

13159

5K→10K

3.1 - 6.2 mi

Top 79%
×5
+79ft-138ft

Overall

22925

Males

13715

M50-54

13715

10K→15K

6.2 - 9.3 mi

Top 75%
×3
+67ft-78ft

Overall

21771

Males

13159

M50-54

13159

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22346

Males

13421

M50-54

13421

20K→HALF

12.4 - 13.1 mi

Top 76%
×2
+19ft-37ft

Overall

22142

Males

13337

M50-54

13337

HALF→25K

13.1 - 15.5 mi

Top 77%
×4
+66ft-88ft

Overall

22317

Males

13386

M50-54

13386

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22592

Males

13426

M50-54

13426

30K→20M

18.6 - 20.0 mi

Top 76%
×5
+64ft-50ft

Overall

21929

Males

13026

M50-54

13026

20M→21M

20.0 - 21.0 mi

Top 70%
×8
+106ft-24ft

Overall

20359

Males

12245

M50-54

12245

21M→35K

21.0 - 21.8 mi

Top 67%
×7
+17ft-86ft

Overall

19565

Males

11771

M50-54

11771

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17334

Males

10681

M50-54

10681

23M→24M

23.0 - 24.0 mi

Top 63%
×6
+12ft-82ft

Overall

18195

Males

11054

M50-54

11054

24M→40K

24.0 - 24.9 mi

Top 62%
×1
+6ft-20ft

Overall

17940

Males

10883

M50-54

10883

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16719

Males

10327

M50-54

10327

25.2M→FINISH

25.2 - 26.2 mi

Top 54%
×2
+22ft-21ft

Overall

15778

Males

9904

M50-54

9904

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2779*
Passed By
541
Net Change
+2238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23853
5K → 10K488*77+411#23853#23442
10K → 15K550*23+527#23442#22915
15K → 20K233*73+160#22915#22755
20K → HALF4520+25#22755#22730
HALF → 25K15183+68#22730#22662
25K → 30K1821820#22662#22662
30K → 20M11550+65#22662#22597
20M → 21M13513+122#22597#22475
21M → 35K1290+129#22475#22346
35K → 23M269*6+263#22346#22083
23M → 24M1424+138#22083#21945
24M → 40K1114+107#21945#21838
40K → 25.2M693+66#21838#21772
25.2M → FINISH1603+157#21772#21615
TOTALS2779*541+2238

* 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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Activity Data

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