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BOSTON MARATHON 2026

Catherine Mrochinski

Bib: 15472•F

WI

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 27%
Gender (Female)
#0 / 12578
Top 10%
Age Group (F18-39)
#0 / 5716
Top 19%
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
22:07
3.11 mi
Rank: #9505
Start → 5K
22:07 | 7:08/mi
10K
44:31
6.21 mi
Rank: #9888 (-383)
5K → 10K
22:24 | 7:13/mi
15K
1:06:45
9.32 mi
Rank: #9785 (+103)
10K → 15K
22:14 | 7:10/mi
20K
1:28:48
12.43 mi
Rank: #9432 (+353)
15K → 20K
22:03 | 7:06/mi
HALF
1:33:30
13.11 mi
Rank: #9349 (+83)
20K → HALF
4:42 | 6:54/mi
25K
1:50:51
15.53 mi
Rank: #9189 (+160)
HALF → 25K
17:21 | 7:10/mi
30K
2:12:49
18.64 mi
Rank: #8623 (+566)
25K → 30K
21:58 | 7:05/mi
20M
2:22:32
20.00 mi
Rank: #8423 (+200)
30K → 20M
9:43 | 7:10/mi
21M
2:29:55
21.00 mi
Rank: #8240 (+183)
20M → 21M
7:23 | 7:23/mi
35K
2:35:11
21.75 mi
Rank: #8190 (+50)
21M → 35K
5:16 | 7:03/mi
23M
2:44:12
23.00 mi
Rank: #8049 (+141)
35K → 23M
9:01 | 7:13/mi
24M
2:51:21
24.00 mi
Rank: #7994 (+55)
23M → 24M
7:09 | 7:09/mi
40K
2:57:32
24.85 mi
Rank: #7883 (+111)
24M → 40K
6:11 | 7:14/mi
25.2M
3:00:12
25.20 mi
Rank: #7846 (+37)
40K → 25.2M
2:40 | 7:44/mi
FINISH
3:07:16
26.22 mi
Rank: #7772 (+74)
25.2M → FINISH
7:04 | 6:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:33:30
Pace7:08 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:33:46
Pace7:10 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3722:077:0822:07
7:08
-
10K
6.21 mi11:16:0144:317:1022:24
7:13
+0:05
15K
9.32 mi11:38:151:06:457:1022:14
7:10
-0:03
20K
12.43 mi12:00:181:28:487:0922:03
7:06
-0:04
HALF
13.11 mi12:05:001:33:307:084:42
6:54
-0:12
25K
15.53 mi12:22:211:50:517:0917:21
7:10
+0:16
30K
18.64 mi12:44:192:12:497:0821:58
7:05
-0:05
20M
20.00 mi12:54:022:22:327:089:43
7:10
+0:05
21M
21.00 mi13:01:252:29:557:097:23
7:23
+0:13
35K
21.75 mi13:06:412:35:117:095:16
7:03
-0:20
23M
23.00 mi13:15:422:44:127:099:01
7:13
+0:10
24M
24.00 mi13:22:512:51:217:097:09
7:09
-0:04
40K
24.85 mi13:29:022:57:327:096:11
7:14
+0:05
25.2M
25.20 mi13:31:423:00:127:102:40
7:44
+0:30
FINISH
26.22 mi13:38:463:07:167:097:04
6:57
-0:47

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

6:54 /mi

Average Pace

7:09 /mi

Slowest Pace

7:44 /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

3:04:36

99% of race

Time at Steady Pace

2:40

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:09 /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 mi10:53:3722:077:0822:07
7:08
#9505
10K
6.21 mi11:16:0144:317:1022:24
7:13
#9888
15K
9.32 mi11:38:151:06:457:1022:14
7:10
#9785
20K
12.43 mi12:00:181:28:487:0922:03
7:06
#9432
HALF
13.11 mi12:05:001:33:307:084:42
6:54
#9349
25K
15.53 mi12:22:211:50:517:0917:21
7:10
#9189
30K
18.64 mi12:44:192:12:497:0821:58
7:05
#8623
20M
20.00 mi12:54:022:22:327:089:43
7:10
#8423
21M
21.00 mi13:01:252:29:557:097:23
7:23
#8240
35K
21.75 mi13:06:412:35:117:095:16
7:03
#8190
23M
23.00 mi13:15:422:44:127:099:01
7:13
#8049
24M
24.00 mi13:22:512:51:217:097:09
7:09
#7994
40K
24.85 mi13:29:022:57:327:096:11
7:14
#7883
25.2M
25.20 mi13:31:423:00:127:102:40
7:44
#7846
FINISH
26.22 mi13:38:463:07:167:097:04
6:57
#7772
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 mi9505163216329745(Top 34%)1813(Top 14%)1813(Top 32%)
10K6.21 mi3.10 mi9888-3831827-1951827-19510355(Top 36%)2077(Top 17%)2077(Top 36%)
15K9.32 mi3.11 mi9785+1031801+261801+269745(Top 34%)1813(Top 14%)1813(Top 32%)
20K12.43 mi3.11 mi9432+3531663+1381663+1388584(Top 30%)1379(Top 11%)1379(Top 24%)
HALF13.11 mi0.68 mi9349+831632+311632+317972(Top 27%)1119(Top 9%)1119(Top 20%)
25K15.53 mi2.42 mi9189+1601587+451587+458530(Top 29%)1460(Top 12%)1460(Top 26%)
30K18.64 mi3.11 mi8623+5661396+1911396+1916468(Top 22%)824(Top 7%)824(Top 14%)
20M20.00 mi1.36 mi8423+2001335+611335+616646(Top 23%)950(Top 8%)950(Top 17%)
21M21.00 mi1.00 mi8240+1831292+431292+435794(Top 20%)806(Top 6%)806(Top 14%)
35K21.75 mi0.75 mi8190+501288+41288+47453(Top 26%)1328(Top 11%)1328(Top 23%)
23M23.00 mi1.25 mi8049+1411268+201268+206826(Top 24%)1161(Top 9%)1161(Top 20%)
24M24.00 mi1.00 mi7994+551263+51263+57549(Top 26%)1520(Top 12%)1520(Top 27%)
40K24.85 mi0.85 mi7883+1111249+141249+146997(Top 24%)1364(Top 11%)1364(Top 24%)
25.2M25.20 mi0.35 mi7846+371248+11248+16702(Top 23%)1297(Top 10%)1297(Top 23%)
FINISH26.22 mi1.02 mi7772+741242+61242+67077(Top 24%)1508(Top 12%)1508(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21
+97ft-345ft

Overall

9745

Females

1813

F18-39

1813

5K→10K

3.1 - 6.2 mi

Top 36%
×5
+79ft-138ft

Overall

10355

Females

2077

F18-39

2077

10K→15K

6.2 - 9.3 mi

Top 34%
×3
+67ft-78ft

Overall

9745

Females

1813

F18-39

1813

15K→20K

9.3 - 12.4 mi

Top 30%
×5
+106ft-86ft

Overall

8584

Females

1379

F18-39

1379

20K→HALF

12.4 - 13.1 mi

Top 27%
×2
+19ft-37ft

Overall

7972

Females

1119

F18-39

1119

HALF→25K

13.1 - 15.5 mi

Top 29%
×4
+66ft-88ft

Overall

8530

Females

1460

F18-39

1460

25K→30K

15.5 - 18.6 mi

Top 22%
×9
+181ft-148ft

Overall

6468

Females

824

F18-39

824

30K→20M

18.6 - 20.0 mi

Top 23%
×5
+64ft-50ft

Overall

6646

Females

950

F18-39

950

20M→21M

20.0 - 21.0 mi

Top 20%
×8
+106ft-24ft

Overall

5794

Females

806

F18-39

806

21M→35K

21.0 - 21.8 mi

Top 26%
×7
+17ft-86ft

Overall

7453

Females

1328

F18-39

1328

35K→23M

21.8 - 23.0 mi

Top 24%
×5
+23ft-63ft

Overall

6826

Females

1161

F18-39

1161

23M→24M

23.0 - 24.0 mi

Top 26%
×6
+12ft-82ft

Overall

7549

Females

1520

F18-39

1520

24M→40K

24.0 - 24.9 mi

Top 24%
×1
+6ft-20ft

Overall

6997

Females

1364

F18-39

1364

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1
+13ft-16ft

Overall

6702

Females

1297

F18-39

1297

25.2M→FINISH

25.2 - 26.2 mi

Top 24%
×2
+22ft-21ft

Overall

7077

Females

1508

F18-39

1508

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2534
Passed By
801
Net Change
+1733
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9505
5K → 10K107490-383#9505#9888
10K → 15K225122+103#9888#9785
15K → 20K37017+353#9785#9432
20K → HALF841+83#9432#9349
HALF → 25K18828+160#9349#9189
25K → 30K5704+566#9189#8623
30K → 20M21111+200#8623#8423
20M → 21M1885+183#8423#8240
21M → 35K6616+50#8240#8190
35K → 23M16726+141#8190#8049
23M → 24M7823+55#8049#7994
24M → 40K13524+111#7994#7883
40K → 25.2M469+37#7883#7846
25.2M → FINISH9925+74#7846#7772
TOTALS2534801+1733
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing