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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Katherine Brosky

Bib: 12699 •F •Age: N/A

PA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 38%
Gender (Female)
#0 / 12578
Top 22%
Age Group (F18-39)
#0 / 5716
Top 38%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Katherine

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 · 7:03/mi at mile 6.2

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
22:28
3.11 mi
Rank: #10478
Start → 5K
22:28 | 7:14/mi
10K
44:21
6.21 mi
Rank: #9653 (+825)
5K → 10K
21:53 | 7:03/mi
15K
1:06:20
9.32 mi
Rank: #9417 (+236)
10K → 15K
21:59 | 7:05/mi
20K
1:29:13
12.43 mi
Rank: #9708 (-291)
15K → 20K
22:53 | 7:22/mi
HALF
1:34:20
13.11 mi
Rank: #9873 (-165)
20K → HALF
5:07 | 7:31/mi
25K
1:52:42
15.53 mi
Rank: #10196 (-323)
HALF → 25K
18:22 | 7:35/mi
30K
2:16:55
18.64 mi
Rank: #10471 (-275)
25K → 30K
24:13 | 7:48/mi
20M
2:27:51
20.00 mi
Rank: #10678 (-207)
30K → 20M
10:56 | 8:03/mi
21M
2:36:07
21.00 mi
Rank: #10744 (-66)
20M → 21M
8:16 | 8:16/mi
35K
2:42:01
21.75 mi
Rank: #10837 (-93)
21M → 35K
5:54 | 7:54/mi
23M
2:52:00
23.00 mi
Rank: #10876 (-39)
35K → 23M
9:59 | 7:59/mi
24M
2:59:53
24.00 mi
Rank: #10921 (-45)
23M → 24M
7:53 | 7:53/mi
40K
3:06:49
24.85 mi
Rank: #10999 (-78)
24M → 40K
6:56 | 8:07/mi
25.2M
3:09:46
25.20 mi
Rank: #10998 (+1)
40K → 25.2M
2:57 | 8:34/mi
FINISH
3:17:25
26.22 mi
Rank: #10979 (+19)
25.2M → FINISH
7:39 | 7:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:34:20
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:43:05
Pace7:52 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4522:287:1422:28
7:14
-
10K
6.21 mi11:12:3844:217:0921:53
7:03
-0:11
15K
9.32 mi11:34:371:06:207:0821:59
7:05
+0:02
20K
12.43 mi11:57:301:29:137:1122:53
7:22
+0:17
HALF
13.11 mi12:02:371:34:207:125:07
7:31
+0:09
25K
15.53 mi12:20:591:52:427:1618:22
7:35
+0:04
30K
18.64 mi12:45:122:16:557:2124:13
7:48
+0:13
20M
20.00 mi12:56:082:27:517:2410:56
8:03
+0:15
21M
21.00 mi13:04:242:36:077:278:16
8:16
+0:13
35K
21.75 mi13:10:182:42:017:275:54
7:54
-0:22
23M
23.00 mi13:20:172:52:007:299:59
7:59
+0:05
24M
24.00 mi13:28:102:59:537:307:53
7:53
-0:06
40K
24.85 mi13:35:063:06:497:316:56
8:07
+0:14
25.2M
25.20 mi13:38:033:09:467:322:57
8:34
+0:27
FINISH
26.22 mi13:45:423:17:257:337:39
7:31
-1:03

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

7:03 /mi

Average Pace

7:32 /mi

Slowest Pace

8:34 /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

2:00:21

61% of race

Time at Steady Pace

47:59

24% of race

Time at Slower Pace

29:05

15% of race

Average Pace: 7:32 /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 mi10:50:4522:287:1422:28
7:14
#10478
10K
6.21 mi11:12:3844:217:0921:53
7:03
#9653
15K
9.32 mi11:34:371:06:207:0821:59
7:05
#9417
20K
12.43 mi11:57:301:29:137:1122:53
7:22
#9708
HALF
13.11 mi12:02:371:34:207:125:07
7:31
#9873
25K
15.53 mi12:20:591:52:427:1618:22
7:35
#10196
30K
18.64 mi12:45:122:16:557:2124:13
7:48
#10471
20M
20.00 mi12:56:082:27:517:2410:56
8:03
#10678
21M
21.00 mi13:04:242:36:077:278:16
8:16
#10744
35K
21.75 mi13:10:182:42:017:275:54
7:54
#10837
23M
23.00 mi13:20:172:52:007:299:59
7:59
#10876
24M
24.00 mi13:28:102:59:537:307:53
7:53
#10921
40K
24.85 mi13:35:063:06:497:316:56
8:07
#10999
25.2M
25.20 mi13:38:033:09:467:322:57
8:34
#10998
FINISH
26.22 mi13:45:423:17:257:337:39
7:31
#10979
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10478211721179100(Top 31%)1542(Top 12%)1542(Top 27%)
10K6.21 mi3.10 mi9653+8251721+3961721+3969021(Top 31%)1484(Top 12%)1484(Top 26%)
15K9.32 mi3.11 mi9417+2361631+901631+909100(Top 31%)1542(Top 12%)1542(Top 27%)
20K12.43 mi3.11 mi9708-2911798-1671798-16710828(Top 37%)2479(Top 20%)2479(Top 43%)
HALF13.11 mi0.68 mi9873-1651880-821880-8213090(Top 45%)3614(Top 29%)3614(Top 63%)
25K15.53 mi2.42 mi10196-3232082-2022082-20212049(Top 42%)3194(Top 25%)3194(Top 56%)
30K18.64 mi3.11 mi10471-2752281-1992281-19911940(Top 41%)3268(Top 26%)3268(Top 57%)
20M20.00 mi1.36 mi10678-2072405-1242405-12413176(Top 45%)4033(Top 32%)4033(Top 71%)
21M21.00 mi1.00 mi10744-662467-622467-6211642(Top 40%)3324(Top 26%)3324(Top 58%)
35K21.75 mi0.75 mi10837-932537-702537-7013704(Top 47%)4456(Top 35%)4456(Top 78%)
23M23.00 mi1.25 mi10876-392575-382575-3812297(Top 42%)3760(Top 30%)3760(Top 66%)
24M24.00 mi1.00 mi10921-452629-542629-5412928(Top 45%)4209(Top 33%)4209(Top 74%)
40K24.85 mi0.85 mi10999-782688-592688-5913201(Top 45%)4424(Top 35%)4424(Top 77%)
25.2M25.20 mi0.35 mi10998+12693-52693-512017(Top 41%)3847(Top 31%)3847(Top 67%)
FINISH26.22 mi1.02 mi10979+192716-232716-2311477(Top 40%)3584(Top 28%)3584(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21
+97ft-345ft

Overall

9100

Females

1542

F18-39

1542

5K→10K

3.1 - 6.2 mi

Top 31%
×5
+79ft-138ft

Overall

9021

Females

1484

F18-39

1484

10K→15K

6.2 - 9.3 mi

Top 31%
×3
+67ft-78ft

Overall

9100

Females

1542

F18-39

1542

15K→20K

9.3 - 12.4 mi

Top 37%
×5
+106ft-86ft

Overall

10828

Females

2479

F18-39

2479

20K→HALF

12.4 - 13.1 mi

Top 45%
×2
+19ft-37ft

Overall

13090

Females

3614

F18-39

3614

HALF→25K

13.1 - 15.5 mi

Top 42%
×4
+66ft-88ft

Overall

12049

Females

3194

F18-39

3194

25K→30K

15.5 - 18.6 mi

Top 41%
×9
+181ft-148ft

Overall

11940

Females

3268

F18-39

3268

30K→20M

18.6 - 20.0 mi

Top 45%
×5
+64ft-50ft

Overall

13176

Females

4033

F18-39

4033

20M→21M

20.0 - 21.0 mi

Top 40%
×8
+106ft-24ft

Overall

11642

Females

3324

F18-39

3324

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13704

Females

4456

F18-39

4456

35K→23M

21.8 - 23.0 mi

Top 42%
×5
+23ft-63ft

Overall

12297

Females

3760

F18-39

3760

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

12928

Females

4209

F18-39

4209

24M→40K

24.0 - 24.9 mi

Top 45%
×1
+6ft-20ft

Overall

13201

Females

4424

F18-39

4424

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1
+13ft-16ft

Overall

12017

Females

3847

F18-39

3847

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
×2
+22ft-21ft

Overall

11477

Females

3584

F18-39

3584

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1891*
Passed By
1808
Net Change
-501
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10478
5K → 10K863*38+825#10478#9653
10K → 15K293*57+236#9653#9417
15K → 20K78200-291#9417#9708
20K → HALF3168-165#9708#9873
HALF → 25K41200-323#9873#10196
25K → 30K124200-275#10196#10471
30K → 20M45200-207#10471#10678
20M → 21M67133-66#10678#10744
21M → 35K38131-93#10744#10837
35K → 23M95134-39#10837#10876
23M → 24M70115-45#10876#10921
24M → 40K49127-78#10921#10999
40K → 25.2M3534+1#10999#10998
25.2M → FINISH9071+19#10998#10979
TOTALS1891*1808-501

* 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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