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BOSTON MARATHON 2026

Marissa Horn

Bib: 27748β€’F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51Β°/41Β°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
32:24
3.11 mi
Rank: #27030
Start β†’ 5K
32:24 | 10:26/mi
10K
1:04:43
6.21 mi
Rank: #26860 (+170)
5K β†’ 10K
32:19 | 10:25/mi
15K
1:37:08
9.32 mi
Rank: #26733 (+127)
10K β†’ 15K
32:25 | 10:27/mi
20K
2:09:19
12.43 mi
Rank: #26496 (+237)
15K β†’ 20K
32:11 | 10:22/mi
HALF
2:16:14
13.11 mi
Rank: #26483 (+13)
20K β†’ HALF
6:55 | 10:09/mi
25K
2:41:32
15.53 mi
Rank: #26305 (+178)
HALF β†’ 25K
25:18 | 10:26/mi
30K
3:14:38
18.64 mi
Rank: #25998 (+307)
25K β†’ 30K
33:06 | 10:40/mi
20M
3:28:35
20.00 mi
Rank: #25810 (+188)
30K β†’ 20M
13:57 | 10:17/mi
21M
3:39:22
21.00 mi
Rank: #25644 (+166)
20M β†’ 21M
10:47 | 10:47/mi
35K
3:47:00
21.75 mi
Rank: #25568 (+76)
21M β†’ 35K
7:38 | 10:13/mi
23M
4:00:29
23.00 mi
Rank: #25484 (+84)
35K β†’ 23M
13:29 | 10:47/mi
24M
4:11:08
24.00 mi
Rank: #25431 (+53)
23M β†’ 24M
10:39 | 10:39/mi
40K
4:19:40
24.85 mi
Rank: #25306 (+125)
24M β†’ 40K
8:32 | 9:59/mi
25.2M
4:23:18
25.20 mi
Rank: #25251 (+55)
40K β†’ 25.2M
3:38 | 10:33/mi
FINISH
4:32:44
26.22 mi
Rank: #25147 (+104)
25.2M β†’ FINISH
9:26 | 9:16/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time2:16:14
Pace10:24 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time2:16:30
Pace10:25 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4032:2410:2632:24
10:26
-
10K
6.21 mi12:26:591:04:4310:2532:19
10:25
-0:01
15K
9.32 mi12:59:241:37:0810:2632:25
10:27
+0:02
20K
12.43 mi13:31:352:09:1910:2532:11
10:22
-0:05
HALF
13.11 mi13:38:302:16:1410:246:55
10:09
-0:13
25K
15.53 mi14:03:482:41:3210:2425:18
10:26
+0:17
30K
18.64 mi14:36:543:14:3810:2733:06
10:40
+0:14
20M
20.00 mi14:50:513:28:3510:2613:57
10:17
-0:23
21M
21.00 mi15:01:383:39:2210:2710:47
10:47
+0:30
35K
21.75 mi15:09:163:47:0010:277:38
10:13
-0:34
23M
23.00 mi15:22:454:00:2910:2813:29
10:47
+0:34
24M
24.00 mi15:33:244:11:0810:2810:39
10:39
-0:08
40K
24.85 mi15:41:564:19:4010:278:32
9:59
-0:40
25.2M
25.20 mi15:45:344:23:1810:273:38
10:33
+0:34
FINISH
26.22 mi15:55:004:32:4410:259:26
9:16
-1:17

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

9:16 /mi

Average Pace

10:25 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

24:53

9% of race

Time at Steady Pace

4:07:51

91% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:24 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:54:4032:2410:2632:24
10:26
#27030
10K
6.21 mi12:26:591:04:4310:2532:19
10:25
#26860
15K
9.32 mi12:59:241:37:0810:2632:25
10:27
#26733
20K
12.43 mi13:31:352:09:1910:2532:11
10:22
#26496
HALF
13.11 mi13:38:302:16:1410:246:55
10:09
#26483
25K
15.53 mi14:03:482:41:3210:2425:18
10:26
#26305
30K
18.64 mi14:36:543:14:3810:2733:06
10:40
#25998
20M
20.00 mi14:50:513:28:3510:2613:57
10:17
#25810
21M
21.00 mi15:01:383:39:2210:2710:47
10:47
#25644
35K
21.75 mi15:09:163:47:0010:277:38
10:13
#25568
23M
23.00 mi15:22:454:00:2910:2813:29
10:47
#25484
24M
24.00 mi15:33:244:11:0810:2810:39
10:39
#25431
40K
24.85 mi15:41:564:19:4010:278:32
9:59
#25306
25.2M
25.20 mi15:45:344:23:1810:273:38
10:33
#25251
FINISH
26.22 mi15:55:004:32:4410:259:26
9:16
#25147
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 mi27030112941129426567(Top 92%)11057(Top 88%)11057(Top 193%)
10K6.21 mi3.10 mi26860+17011208+8611208+8626739(Top 92%)11149(Top 89%)11149(Top 195%)
15K9.32 mi3.11 mi26733+12711140+6811140+6826567(Top 92%)11057(Top 88%)11057(Top 193%)
20K12.43 mi3.11 mi26496+23711008+13211008+13225845(Top 89%)10657(Top 85%)10657(Top 186%)
HALF13.11 mi0.68 mi26483+1311002+611002+625974(Top 90%)10743(Top 85%)10743(Top 188%)
25K15.53 mi2.42 mi26305+17810915+8710915+8725317(Top 87%)10413(Top 83%)10413(Top 182%)
30K18.64 mi3.11 mi25998+30710763+15210763+15224611(Top 85%)10167(Top 81%)10167(Top 178%)
20M20.00 mi1.36 mi25810+18810676+8710676+8723301(Top 80%)9538(Top 76%)9538(Top 167%)
21M21.00 mi1.00 mi25644+16610602+7410602+7422655(Top 78%)9238(Top 73%)9238(Top 162%)
35K21.75 mi0.75 mi25568+7610576+2610576+2623676(Top 82%)9813(Top 78%)9813(Top 172%)
23M23.00 mi1.25 mi25484+8410547+2910547+2924009(Top 83%)10068(Top 80%)10068(Top 176%)
24M24.00 mi1.00 mi25431+5310533+1410533+1424396(Top 84%)10291(Top 82%)10291(Top 180%)
40K24.85 mi0.85 mi25306+12510477+5610477+5621890(Top 75%)9053(Top 72%)9053(Top 158%)
25.2M25.20 mi0.35 mi25251+5510458+1910458+1921237(Top 73%)8703(Top 69%)8703(Top 152%)
FINISH26.22 mi1.02 mi25147+10410407+5110407+5121523(Top 74%)8836(Top 70%)8836(Top 155%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
Γ—21
+97ft-345ft

Overall

26567

Females

11057

F18-39

11057

5K→10K

3.1 - 6.2 mi

Top 92%
Γ—5
+79ft-138ft

Overall

26739

Females

11149

F18-39

11149

10K→15K

6.2 - 9.3 mi

Top 92%
Γ—3
+67ft-78ft

Overall

26567

Females

11057

F18-39

11057

15K→20K

9.3 - 12.4 mi

Top 89%
Γ—5
+106ft-86ft

Overall

25845

Females

10657

F18-39

10657

20K→HALF

12.4 - 13.1 mi

Top 90%
Γ—2
+19ft-37ft

Overall

25974

Females

10743

F18-39

10743

HALF→25K

13.1 - 15.5 mi

Top 87%
Γ—4
+66ft-88ft

Overall

25317

Females

10413

F18-39

10413

25K→30K

15.5 - 18.6 mi

Top 85%
Γ—9
+181ft-148ft

Overall

24611

Females

10167

F18-39

10167

30K→20M

18.6 - 20.0 mi

Top 80%
Γ—5
+64ft-50ft

Overall

23301

Females

9538

F18-39

9538

20M→21M

20.0 - 21.0 mi

Top 78%
Γ—8
+106ft-24ft

Overall

22655

Females

9238

F18-39

9238

21M→35K

21.0 - 21.8 mi

Top 82%
Γ—7
+17ft-86ft

Overall

23676

Females

9813

F18-39

9813

35K→23M

21.8 - 23.0 mi

Top 83%
Γ—5
+23ft-63ft

Overall

24009

Females

10068

F18-39

10068

23M→24M

23.0 - 24.0 mi

Top 84%
Γ—6
+12ft-82ft

Overall

24396

Females

10291

F18-39

10291

24M→40K

24.0 - 24.9 mi

Top 75%
Γ—1
+6ft-20ft

Overall

21890

Females

9053

F18-39

9053

40K→25.2M

24.9 - 25.2 mi

Top 73%
Γ—1
+13ft-16ft

Overall

21237

Females

8703

F18-39

8703

25.2M→FINISH

25.2 - 26.2 mi

Top 74%
Γ—2
+22ft-21ft

Overall

21523

Females

8836

F18-39

8836

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2136*
Passed By
253
Net Change
+1883
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27030
5K β†’ 10K276*106+170#27030#26860
10K β†’ 15K19467+127#26860#26733
15K β†’ 20K252*15+237#26733#26496
20K β†’ HALF2815+13#26496#26483
HALF β†’ 25K1846+178#26483#26305
25K β†’ 30K314*7+307#26305#25998
30K β†’ 20M1891+188#25998#25810
20M β†’ 21M1682+166#25810#25644
21M β†’ 35K804+76#25644#25568
35K β†’ 23M9511+84#25568#25484
23M β†’ 24M6512+53#25484#25431
24M β†’ 40K1294+125#25431#25306
40K β†’ 25.2M561+55#25306#25251
25.2M β†’ FINISH1062+104#25251#25147
TOTALS2136*253+1883

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing