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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kristen Costa

Bib: 20398 •F •Age: N/A

FL

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 49%
Gender (Female)
#0 / 12578
Top 36%
Masters (Masters Women)
#0 / 6862
Top 20%
Age Group (F40-44)
#0 / 1737
Top 42%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Kristen

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 · 7:34/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
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
23:30
3.11 mi
Rank: #13337
Start → 5K
23:30 | 7:34/mi
10K
47:33
6.21 mi
Rank: #14199 (-862)
5K → 10K
24:03 | 7:45/mi
15K
1:11:42
9.32 mi
Rank: #14488 (-289)
10K → 15K
24:09 | 7:47/mi
20K
1:36:02
12.43 mi
Rank: #14530 (-42)
15K → 20K
24:20 | 7:50/mi
HALF
1:41:17
13.11 mi
Rank: #14553 (-23)
20K → HALF
5:15 | 7:43/mi
25K
2:00:18
15.53 mi
Rank: #14462 (+91)
HALF → 25K
19:01 | 7:51/mi
30K
2:25:36
18.64 mi
Rank: #14439 (+23)
25K → 30K
25:18 | 8:09/mi
20M
2:36:45
20.00 mi
Rank: #14417 (+22)
30K → 20M
11:09 | 8:13/mi
21M
2:45:22
21.00 mi
Rank: #14342 (+75)
20M → 21M
8:37 | 8:37/mi
35K
2:51:21
21.75 mi
Rank: #14317 (+25)
21M → 35K
5:59 | 8:00/mi
23M
3:01:38
23.00 mi
Rank: #14298 (+19)
35K → 23M
10:17 | 8:14/mi
24M
3:09:34
24.00 mi
Rank: #14231 (+67)
23M → 24M
7:56 | 7:56/mi
40K
3:16:30
24.85 mi
Rank: #14176 (+55)
24M → 40K
6:56 | 8:07/mi
25.2M
3:19:29
25.20 mi
Rank: #14146 (+30)
40K → 25.2M
2:59 | 8:40/mi
FINISH
3:27:35
26.22 mi
Rank: #14193 (-47)
25.2M → FINISH
8:06 | 7:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:17
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:46:18
Pace8:07 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:1423:307:3423:30
7:34
-
10K
6.21 mi11:37:1747:337:4024:03
7:45
+0:11
15K
9.32 mi12:01:261:11:427:4224:09
7:47
+0:02
20K
12.43 mi12:25:461:36:027:4424:20
7:50
+0:03
HALF
13.11 mi12:31:011:41:177:445:15
7:43
-0:07
25K
15.53 mi12:50:022:00:187:4519:01
7:51
+0:08
30K
18.64 mi13:15:202:25:367:4925:18
8:09
+0:18
20M
20.00 mi13:26:292:36:457:5111:09
8:13
+0:04
21M
21.00 mi13:35:062:45:227:538:37
8:37
+0:24
35K
21.75 mi13:41:052:51:217:535:59
8:00
-0:37
23M
23.00 mi13:51:223:01:387:5410:17
8:14
+0:14
24M
24.00 mi13:59:183:09:347:547:56
7:56
-0:18
40K
24.85 mi14:06:143:16:307:556:56
8:07
+0:11
25.2M
25.20 mi14:09:133:19:297:552:59
8:40
+0:33
FINISH
26.22 mi14:17:193:27:357:568:06
7:57
-0:43

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

7:34 /mi

Average Pace

7:55 /mi

Slowest Pace

8:40 /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

3:15:59

94% of race

Time at Steady Pace

11:36

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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 mi11:13:1423:307:3423:30
7:34
#13337
10K
6.21 mi11:37:1747:337:4024:03
7:45
#14199
15K
9.32 mi12:01:261:11:427:4224:09
7:47
#14488
20K
12.43 mi12:25:461:36:027:4424:20
7:50
#14530
HALF
13.11 mi12:31:011:41:177:445:15
7:43
#14553
25K
15.53 mi12:50:022:00:187:4519:01
7:51
#14462
30K
18.64 mi13:15:202:25:367:4925:18
8:09
#14439
20M
20.00 mi13:26:292:36:457:5111:09
8:13
#14417
21M
21.00 mi13:35:062:45:227:538:37
8:37
#14342
35K
21.75 mi13:41:052:51:217:535:59
8:00
#14317
23M
23.00 mi13:51:223:01:387:5410:17
8:14
#14298
24M
24.00 mi13:59:183:09:347:547:56
7:56
#14231
40K
24.85 mi14:06:143:16:307:556:56
8:07
#14176
25.2M
25.20 mi14:09:133:19:297:552:59
8:40
#14146
FINISH
26.22 mi14:17:193:27:357:568:06
7:57
#14193
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi133373687368715127(Top 52%)4821(Top 38%)4821(Top 278%)
10K6.21 mi3.10 mi14199-8624218-5314218-53115099(Top 52%)4767(Top 38%)4767(Top 274%)
15K9.32 mi3.11 mi14488-2894415-1974415-19715127(Top 52%)4821(Top 38%)4821(Top 278%)
20K12.43 mi3.11 mi14530-424447-324447-3214800(Top 51%)4677(Top 37%)4677(Top 269%)
HALF13.11 mi0.68 mi14553-234458-114458-1114798(Top 51%)4600(Top 37%)4600(Top 265%)
25K15.53 mi2.42 mi14462+914440+184440+1814184(Top 49%)4406(Top 35%)4406(Top 254%)
30K18.64 mi3.11 mi14439+234467-274467-2714532(Top 50%)4694(Top 37%)4694(Top 270%)
20M20.00 mi1.36 mi14417+224472-54472-514338(Top 49%)4670(Top 37%)4670(Top 269%)
21M21.00 mi1.00 mi14342+754443+294443+2913883(Top 48%)4528(Top 36%)4528(Top 261%)
35K21.75 mi0.75 mi14317+254449-64449-614501(Top 50%)4905(Top 39%)4905(Top 282%)
23M23.00 mi1.25 mi14298+194479-304479-3013935(Top 48%)4673(Top 37%)4673(Top 269%)
24M24.00 mi1.00 mi14231+674460+194460+1913313(Top 46%)4420(Top 35%)4420(Top 254%)
40K24.85 mi0.85 mi14176+554456+44456+413228(Top 46%)4451(Top 35%)4451(Top 256%)
25.2M25.20 mi0.35 mi14146+304447+94447+912672(Top 44%)4204(Top 33%)4204(Top 242%)
FINISH26.22 mi1.02 mi14193-474495-484495-4814855(Top 51%)5360(Top 43%)5360(Top 309%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21
+97ft-345ft

Overall

15127

Females

4821

F40-44

4821

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

15099

Females

4767

F40-44

4767

10K→15K

6.2 - 9.3 mi

Top 52%
×3
+67ft-78ft

Overall

15127

Females

4821

F40-44

4821

15K→20K

9.3 - 12.4 mi

Top 51%
×5
+106ft-86ft

Overall

14800

Females

4677

F40-44

4677

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14798

Females

4600

F40-44

4600

HALF→25K

13.1 - 15.5 mi

Top 49%
×4
+66ft-88ft

Overall

14184

Females

4406

F40-44

4406

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14532

Females

4694

F40-44

4694

30K→20M

18.6 - 20.0 mi

Top 49%
×5
+64ft-50ft

Overall

14338

Females

4670

F40-44

4670

20M→21M

20.0 - 21.0 mi

Top 48%
×8
+106ft-24ft

Overall

13883

Females

4528

F40-44

4528

21M→35K

21.0 - 21.8 mi

Top 50%
×7
+17ft-86ft

Overall

14501

Females

4905

F40-44

4905

35K→23M

21.8 - 23.0 mi

Top 48%
×5
+23ft-63ft

Overall

13935

Females

4673

F40-44

4673

23M→24M

23.0 - 24.0 mi

Top 46%
×6
+12ft-82ft

Overall

13313

Females

4420

F40-44

4420

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13228

Females

4451

F40-44

4451

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1
+13ft-16ft

Overall

12672

Females

4204

F40-44

4204

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14855

Females

5360

F40-44

5360

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1456*
Passed By
1372
Net Change
-856
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13337
5K → 10K70200-862#13337#14199
10K → 15K119200-289#14199#14488
15K → 20K148190-42#14488#14530
20K → HALF2447-23#14530#14553
HALF → 25K17988+91#14553#14462
25K → 30K205*182+23#14462#14439
30K → 20M10886+22#14439#14417
20M → 21M13560+75#14417#14342
21M → 35K6540+25#14342#14317
35K → 23M10384+19#14317#14298
23M → 24M10942+67#14298#14231
24M → 40K8833+55#14231#14176
40K → 25.2M4717+30#14176#14146
25.2M → FINISH56103-47#14146#14193
TOTALS1456*1372-856

* 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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