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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Rachel Mattson

Bib: 17036 •F •Age: N/A

MN

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 41%
Age Group (F18-39)
#0 / 5716
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
24:05
3.11 mi
Rank: #15031
Start → 5K
24:05 | 7:46/mi
10K
47:53
6.21 mi
Rank: #14690 (+341)
5K → 10K
23:48 | 7:40/mi
15K
1:11:33
9.32 mi
Rank: #14337 (+353)
10K → 15K
23:40 | 7:38/mi
20K
1:36:05
12.43 mi
Rank: #14581 (-244)
15K → 20K
24:32 | 7:54/mi
HALF
1:41:21
13.11 mi
Rank: #14592 (-11)
20K → HALF
5:16 | 7:44/mi
25K
2:00:09
15.53 mi
Rank: #14382 (+210)
HALF → 25K
18:48 | 7:46/mi
30K
2:25:29
18.64 mi
Rank: #14392 (-10)
25K → 30K
25:20 | 8:10/mi
20M
2:36:55
20.00 mi
Rank: #14490 (-98)
30K → 20M
11:26 | 8:26/mi
21M
2:46:02
21.00 mi
Rank: #14615 (-125)
20M → 21M
9:07 | 9:07/mi
35K
2:52:27
21.75 mi
Rank: #14761 (-146)
21M → 35K
6:25 | 8:35/mi
23M
3:03:25
23.00 mi
Rank: #14932 (-171)
35K → 23M
10:58 | 8:46/mi
24M
3:12:02
24.00 mi
Rank: #15054 (-122)
23M → 24M
8:37 | 8:37/mi
40K
3:19:51
24.85 mi
Rank: #15266 (-212)
24M → 40K
7:49 | 9:09/mi
25.2M
3:23:10
25.20 mi
Rank: #15317 (-51)
40K → 25.2M
3:19 | 9:38/mi
FINISH
3:31:28
26.22 mi
Rank: #15355 (-38)
25.2M → FINISH
8:18 | 8:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:21
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:50:07
Pace8:24 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:3824:057:4624:05
7:46
-
10K
6.21 mi11:31:2647:537:4323:48
7:40
-0:06
15K
9.32 mi11:55:061:11:337:4123:40
7:38
-0:02
20K
12.43 mi12:19:381:36:057:4424:32
7:54
+0:16
HALF
13.11 mi12:24:541:41:217:445:16
7:44
-0:10
25K
15.53 mi12:43:422:00:097:4518:48
7:46
+0:02
30K
18.64 mi13:09:022:25:297:4925:20
8:10
+0:24
20M
20.00 mi13:20:282:36:557:5111:26
8:26
+0:16
21M
21.00 mi13:29:352:46:027:559:07
9:07
+0:41
35K
21.75 mi13:36:002:52:277:566:25
8:35
-0:32
23M
23.00 mi13:46:583:03:257:5910:58
8:46
+0:11
24M
24.00 mi13:55:353:12:028:018:37
8:37
-0:09
40K
24.85 mi14:03:243:19:518:037:49
9:09
+0:32
25.2M
25.20 mi14:06:433:23:108:043:19
9:38
+0:29
FINISH
26.22 mi14:15:013:31:288:058:18
8:09
-1:29

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

7:38 /mi

Average Pace

8:04 /mi

Slowest Pace

9:38 /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

1:35:37

45% of race

Time at Steady Pace

1:09:36

33% of race

Time at Slower Pace

46:15

22% of race

Average Pace: 8:04 /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 mi11:07:3824:057:4624:05
7:46
#15031
10K
6.21 mi11:31:2647:537:4323:48
7:40
#14690
15K
9.32 mi11:55:061:11:337:4123:40
7:38
#14337
20K
12.43 mi12:19:381:36:057:4424:32
7:54
#14581
HALF
13.11 mi12:24:541:41:217:445:16
7:44
#14592
25K
15.53 mi12:43:422:00:097:4518:48
7:46
#14382
30K
18.64 mi13:09:022:25:297:4925:20
8:10
#14392
20M
20.00 mi13:20:282:36:557:5111:26
8:26
#14490
21M
21.00 mi13:29:352:46:027:559:07
9:07
#14615
35K
21.75 mi13:36:002:52:277:566:25
8:35
#14761
23M
23.00 mi13:46:583:03:257:5910:58
8:46
#14932
24M
24.00 mi13:55:353:12:028:018:37
8:37
#15054
40K
24.85 mi14:03:243:19:518:037:49
9:09
#15266
25.2M
25.20 mi14:06:433:23:108:043:19
9:38
#15317
FINISH
26.22 mi14:15:013:31:288:058:18
8:09
#15355
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 mi150314708470813853(Top 48%)4064(Top 32%)4064(Top 71%)
10K6.21 mi3.10 mi14690+3414508+2004508+20014432(Top 50%)4363(Top 35%)4363(Top 76%)
15K9.32 mi3.11 mi14337+3534326+1824326+18213853(Top 48%)4064(Top 32%)4064(Top 71%)
20K12.43 mi3.11 mi14581-2444473-1474473-14715304(Top 53%)4983(Top 40%)4983(Top 87%)
HALF13.11 mi0.68 mi14592-114482-94482-915035(Top 52%)4756(Top 38%)4756(Top 83%)
25K15.53 mi2.42 mi14382+2104391+914391+9113470(Top 46%)4000(Top 32%)4000(Top 70%)
30K18.64 mi3.11 mi14392-104439-484439-4814630(Top 50%)4764(Top 38%)4764(Top 83%)
20M20.00 mi1.36 mi14490-984511-724511-7215707(Top 54%)5471(Top 43%)5471(Top 96%)
21M21.00 mi1.00 mi14615-1254618-1074618-10716760(Top 58%)6106(Top 49%)6106(Top 107%)
35K21.75 mi0.75 mi14761-1464729-1114729-11118014(Top 62%)6888(Top 55%)6888(Top 121%)
23M23.00 mi1.25 mi14932-1714859-1304859-13017267(Top 59%)6564(Top 52%)6564(Top 115%)
24M24.00 mi1.00 mi15054-1224952-934952-9317585(Top 61%)6774(Top 54%)6774(Top 119%)
40K24.85 mi0.85 mi15266-2125089-1375089-13719042(Top 66%)7585(Top 60%)7585(Top 133%)
25.2M25.20 mi0.35 mi15317-515126-375126-3717890(Top 62%)6953(Top 55%)6953(Top 122%)
FINISH26.22 mi1.02 mi15355-385163-375163-3716085(Top 55%)5984(Top 48%)5984(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21
+97ft-345ft

Overall

13853

Females

4064

F18-39

4064

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14432

Females

4363

F18-39

4363

10K→15K

6.2 - 9.3 mi

Top 48%
×3
+67ft-78ft

Overall

13853

Females

4064

F18-39

4064

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15304

Females

4983

F18-39

4983

20K→HALF

12.4 - 13.1 mi

Top 52%
×2
+19ft-37ft

Overall

15035

Females

4756

F18-39

4756

HALF→25K

13.1 - 15.5 mi

Top 46%
×4
+66ft-88ft

Overall

13470

Females

4000

F18-39

4000

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14630

Females

4764

F18-39

4764

30K→20M

18.6 - 20.0 mi

Top 54%
×5
+64ft-50ft

Overall

15707

Females

5471

F18-39

5471

20M→21M

20.0 - 21.0 mi

Top 58%
×8
+106ft-24ft

Overall

16760

Females

6106

F18-39

6106

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

18014

Females

6888

F18-39

6888

35K→23M

21.8 - 23.0 mi

Top 59%
×5
+23ft-63ft

Overall

17267

Females

6564

F18-39

6564

23M→24M

23.0 - 24.0 mi

Top 61%
×6
+12ft-82ft

Overall

17585

Females

6774

F18-39

6774

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19042

Females

7585

F18-39

7585

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1
+13ft-16ft

Overall

17890

Females

6953

F18-39

6953

25.2M→FINISH

25.2 - 26.2 mi

Top 55%
×2
+22ft-21ft

Overall

16085

Females

5984

F18-39

5984

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1842*
Passed By
1950
Net Change
-324
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15031
5K → 10K505*164+341#15031#14690
10K → 15K417*64+353#14690#14337
15K → 20K101200-244#14337#14581
20K → HALF2334-11#14581#14592
HALF → 25K247*37+210#14592#14382
25K → 30K190200-10#14382#14392
30K → 20M68166-98#14392#14490
20M → 21M65190-125#14490#14615
21M → 35K30176-146#14615#14761
35K → 23M55200-171#14761#14932
23M → 24M42164-122#14932#15054
24M → 40K33200-212#15054#15266
40K → 25.2M1566-51#15266#15317
25.2M → FINISH5189-38#15317#15355
TOTALS1842*1950-324

* 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

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