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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jeremy Costello

Bib: 818 •M •Age: N/A

CA

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
Personalized for Jeremy

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 8:35/mi at mile 13.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
27:10
3.11 mi
Rank: #21415
Start → 5K
27:10 | 8:45/mi
10K
55:11
6.21 mi
Rank: #22189 (-774)
5K → 10K
28:01 | 9:02/mi
15K
1:22:17
9.32 mi
Rank: #21914 (+275)
10K → 15K
27:06 | 8:44/mi
20K
1:49:35
12.43 mi
Rank: #21630 (+284)
15K → 20K
27:18 | 8:48/mi
HALF
1:55:26
13.11 mi
Rank: #21584 (+46)
20K → HALF
5:51 | 8:35/mi
25K
2:16:21
15.53 mi
Rank: #21224 (+360)
HALF → 25K
20:55 | 8:38/mi
30K
2:43:52
18.64 mi
Rank: #20791 (+433)
25K → 30K
27:31 | 8:52/mi
20M
2:56:00
20.00 mi
Rank: #20634 (+157)
30K → 20M
12:08 | 8:56/mi
21M
3:05:34
21.00 mi
Rank: #20515 (+119)
20M → 21M
9:34 | 9:34/mi
35K
3:12:05
21.75 mi
Rank: #20445 (+70)
21M → 35K
6:31 | 8:43/mi
23M
3:23:37
23.00 mi
Rank: #20385 (+60)
35K → 23M
11:32 | 9:13/mi
24M
3:32:28
24.00 mi
Rank: #20313 (+72)
23M → 24M
8:51 | 8:51/mi
40K
3:40:26
24.85 mi
Rank: #20296 (+17)
24M → 40K
7:58 | 9:20/mi
25.2M
3:44:02
25.20 mi
Rank: #20303 (-7)
40K → 25.2M
3:36 | 10:27/mi
FINISH
3:53:00
26.22 mi
Rank: #20271 (+32)
25.2M → FINISH
8:58 | 8:48/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:55:26
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time1:57:34
Pace8:59 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:3627:108:4527:10
8:45
-
10K
6.21 mi11:59:3755:118:5328:01
9:02
+0:17
15K
9.32 mi12:26:431:22:178:5027:06
8:44
-0:18
20K
12.43 mi12:54:011:49:358:5027:18
8:48
+0:04
HALF
13.11 mi12:59:521:55:268:495:51
8:35
-0:13
25K
15.53 mi13:20:472:16:218:4720:55
8:38
+0:03
30K
18.64 mi13:48:182:43:528:4827:31
8:52
+0:14
20M
20.00 mi14:00:262:56:008:4912:08
8:56
+0:04
21M
21.00 mi14:10:003:05:348:519:34
9:34
+0:38
35K
21.75 mi14:16:313:12:058:506:31
8:43
-0:51
23M
23.00 mi14:28:033:23:378:5211:32
9:13
+0:30
24M
24.00 mi14:36:543:32:288:528:51
8:51
-0:22
40K
24.85 mi14:44:523:40:268:537:58
9:20
+0:29
25.2M
25.20 mi14:48:283:44:028:543:36
10:27
+1:07
FINISH
26.22 mi14:57:263:53:008:548:58
8:48
-1:39

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

8:35 /mi

Average Pace

8:54 /mi

Slowest Pace

10:27 /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

5:51

3% of race

Time at Steady Pace

3:14:29

83% of race

Time at Slower Pace

32:40

14% of race

Average Pace: 8:53 /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 mi11:31:3627:108:4527:10
8:45
#21415
10K
6.21 mi11:59:3755:118:5328:01
9:02
#22189
15K
9.32 mi12:26:431:22:178:5027:06
8:44
#21914
20K
12.43 mi12:54:011:49:358:5027:18
8:48
#21630
HALF
13.11 mi12:59:521:55:268:495:51
8:35
#21584
25K
15.53 mi13:20:472:16:218:4720:55
8:38
#21224
30K
18.64 mi13:48:182:43:528:4827:31
8:52
#20791
20M
20.00 mi14:00:262:56:008:4912:08
8:56
#20634
21M
21.00 mi14:10:003:05:348:519:34
9:34
#20515
35K
21.75 mi14:16:313:12:058:506:31
8:43
#20445
23M
23.00 mi14:28:033:23:378:5211:32
9:13
#20385
24M
24.00 mi14:36:543:32:288:528:51
8:51
#20313
40K
24.85 mi14:44:523:40:268:537:58
9:20
#20296
25.2M
25.20 mi14:48:283:44:028:543:36
10:27
#20303
FINISH
26.22 mi14:57:263:53:008:548:58
8:48
#20271
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 mi21415129241292421318(Top 73%)12934(Top 79%)12934(Top 226%)
10K6.21 mi3.10 mi22189-77413329-40513329-40522906(Top 79%)13700(Top 84%)13700(Top 239%)
15K9.32 mi3.11 mi21914+27513202+12713202+12721318(Top 73%)12934(Top 79%)12934(Top 226%)
20K12.43 mi3.11 mi21630+28413058+14413058+14420894(Top 72%)12716(Top 78%)12716(Top 222%)
HALF13.11 mi0.68 mi21584+4613036+2213036+2220689(Top 71%)12637(Top 77%)12637(Top 221%)
25K15.53 mi2.42 mi21224+36012852+18412852+18419316(Top 67%)11932(Top 73%)11932(Top 208%)
30K18.64 mi3.11 mi20791+43312629+22312629+22318871(Top 65%)11658(Top 71%)11658(Top 204%)
20M20.00 mi1.36 mi20634+15712548+8112548+8118602(Top 64%)11455(Top 70%)11455(Top 200%)
21M21.00 mi1.00 mi20515+11912488+6012488+6018781(Top 65%)11507(Top 70%)11507(Top 201%)
35K21.75 mi0.75 mi20445+7012433+5512433+5518666(Top 64%)11364(Top 70%)11364(Top 199%)
23M23.00 mi1.25 mi20385+6012398+3512398+3519491(Top 67%)11695(Top 72%)11695(Top 204%)
24M24.00 mi1.00 mi20313+7212345+5312345+5318779(Top 65%)11313(Top 69%)11313(Top 198%)
40K24.85 mi0.85 mi20296+1712319+2612319+2619722(Top 68%)11713(Top 72%)11713(Top 205%)
25.2M25.20 mi0.35 mi20303-712316+312316+320838(Top 72%)12268(Top 75%)12268(Top 214%)
FINISH26.22 mi1.02 mi20271+3212287+2912287+2919629(Top 68%)11669(Top 71%)11669(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21
+97ft-345ft

Overall

21318

Males

12934

M18-39

12934

5K→10K

3.1 - 6.2 mi

Top 79%
×5
+79ft-138ft

Overall

22906

Males

13700

M18-39

13700

10K→15K

6.2 - 9.3 mi

Top 73%
×3
+67ft-78ft

Overall

21318

Males

12934

M18-39

12934

15K→20K

9.3 - 12.4 mi

Top 72%
×5
+106ft-86ft

Overall

20894

Males

12716

M18-39

12716

20K→HALF

12.4 - 13.1 mi

Top 71%
×2
+19ft-37ft

Overall

20689

Males

12637

M18-39

12637

HALF→25K

13.1 - 15.5 mi

Top 67%
×4
+66ft-88ft

Overall

19316

Males

11932

M18-39

11932

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18871

Males

11658

M18-39

11658

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18602

Males

11455

M18-39

11455

20M→21M

20.0 - 21.0 mi

Top 65%
×8
+106ft-24ft

Overall

18781

Males

11507

M18-39

11507

21M→35K

21.0 - 21.8 mi

Top 64%
×7
+17ft-86ft

Overall

18666

Males

11364

M18-39

11364

35K→23M

21.8 - 23.0 mi

Top 67%
×5
+23ft-63ft

Overall

19491

Males

11695

M18-39

11695

23M→24M

23.0 - 24.0 mi

Top 65%
×6
+12ft-82ft

Overall

18779

Males

11313

M18-39

11313

24M→40K

24.0 - 24.9 mi

Top 68%
×1
+6ft-20ft

Overall

19722

Males

11713

M18-39

11713

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1
+13ft-16ft

Overall

20838

Males

12268

M18-39

12268

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
×2
+22ft-21ft

Overall

19629

Males

11669

M18-39

11669

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2355*
Passed By
571
Net Change
+1144
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21415
5K → 10K66200-774#21415#22189
10K → 15K341*66+275#22189#21914
15K → 20K330*46+284#21914#21630
20K → HALF548+46#21630#21584
HALF → 25K366*6+360#21584#21224
25K → 30K444*11+433#21224#20791
30K → 20M17316+157#20791#20634
20M → 21M13819+119#20634#20515
21M → 35K8616+70#20515#20445
35K → 23M10545+60#20445#20385
23M → 24M9422+72#20385#20313
24M → 40K6649+17#20313#20296
40K → 25.2M1926-7#20296#20303
25.2M → FINISH7341+32#20303#20271
TOTALS2355*571+1144

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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