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BOSTON MARATHON 2026

Marissa Korodan

Bib: 16179β€’F

MI

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 43%
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
5KΒ· 3.11 mi
23:44
Rank: #14022
Start β†’ 5K
23:44 | 7:39/mi
10KΒ· 6.21 mi
46:58
Rank: #13359 (+663)
5K β†’ 10K
23:14 | 7:29/mi
15KΒ· 9.32 mi
1:10:11
Rank: #13061 (+298)
10K β†’ 15K
23:13 | 7:29/mi
20KΒ· 12.43 mi
1:33:41
Rank: #12929 (+132)
15K β†’ 20K
23:30 | 7:34/mi
HALFΒ· 13.11 mi
1:38:44
Rank: #12889 (+40)
20K β†’ HALF
5:03 | 7:25/mi
25KΒ· 15.53 mi
1:57:35
Rank: #13010 (-121)
HALF β†’ 25K
18:51 | 7:47/mi
30KΒ· 18.64 mi
2:24:25
Rank: #13909 (-899)
25K β†’ 30K
26:50 | 8:39/mi
20M
2:36:03
Rank: #14139 (-230)
30K β†’ 20M
11:38 | 8:34/mi
21M
2:45:22
Rank: #14344 (-205)
20M β†’ 21M
9:19 | 9:19/mi
35KΒ· 21.75 mi
2:51:43
Rank: #14476 (-132)
21M β†’ 35K
6:21 | 8:30/mi
23M
3:02:33
Rank: #14618 (-142)
35K β†’ 23M
10:50 | 8:40/mi
24M
3:12:37
Rank: #15259 (-641)
23M β†’ 24M
10:04 | 10:04/mi
40KΒ· 24.85 mi
3:20:26
Rank: #15435 (-176)
24M β†’ 40K
7:49 | 9:09/mi
25.2M
3:23:46
Rank: #15479 (-44)
40K β†’ 25.2M
3:20 | 9:40/mi
FINISHΒ· 26.22 mi
3:32:42
Rank: #15672 (-193)
25.2M β†’ FINISH
8:56 | 8:46/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:44
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:53:58
Pace8:42 /mi
πŸ“ŠPositive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:1823:447:3923:44
7:39
-
10K
6.21 mi11:28:3246:587:3423:14
7:29
-0:10
15K
9.32 mi11:51:451:10:117:3223:13
7:29
0:00
20K
12.43 mi12:15:151:33:417:3323:30
7:34
+0:05
HALF
13.11 mi12:20:181:38:447:325:03
7:25
-0:09
25K
15.53 mi12:39:091:57:357:3518:51
7:47
+0:22
30K
18.64 mi13:05:592:24:257:4526:50
8:39
+0:52
20M
20.00 mi13:17:372:36:037:4911:38
8:34
-0:05
21M
21.00 mi13:26:562:45:227:539:19
9:19
+0:45
35K
21.75 mi13:33:172:51:437:546:21
8:30
-0:49
23M
23.00 mi13:44:073:02:337:5710:50
8:40
+0:10
24M
24.00 mi13:54:113:12:378:0210:04
10:04
+1:24
40K
24.85 mi14:02:003:20:268:047:49
9:09
-0:55
25.2M
25.20 mi14:05:203:23:468:063:20
9:40
+0:31
FINISH
26.22 mi14:14:163:32:428:088:56
8:46
-0:54

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

7:25 /mi

Average Pace

8:07 /mi

Slowest Pace

10:04 /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

1:57:35

55% of race

Time at Steady Pace

1:04:35

30% of race

Time at Slower Pace

30:32

14% of race

Average Pace: 8:07 /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 mi11:05:1823:447:3923:44
7:39
#14022
10K
6.21 mi11:28:3246:587:3423:14
7:29
#13359
15K
9.32 mi11:51:451:10:117:3223:13
7:29
#13061
20K
12.43 mi12:15:151:33:417:3323:30
7:34
#12929
HALF
13.11 mi12:20:181:38:447:325:03
7:25
#12889
25K
15.53 mi12:39:091:57:357:3518:51
7:47
#13010
30K
18.64 mi13:05:592:24:257:4526:50
8:39
#13909
20M
20.00 mi13:17:372:36:037:4911:38
8:34
#14139
21M
21.00 mi13:26:562:45:227:539:19
9:19
#14344
35K
21.75 mi13:33:172:51:437:546:21
8:30
#14476
23M
23.00 mi13:44:073:02:337:5710:50
8:40
#14618
24M
24.00 mi13:54:113:12:378:0210:04
10:04
#15259
40K
24.85 mi14:02:003:20:268:047:49
9:09
#15435
25.2M
25.20 mi14:05:203:23:468:063:20
9:40
#15479
FINISH
26.22 mi14:14:163:32:428:088:56
8:46
#15672
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 mi140224094409412604(Top 43%)3350(Top 27%)3350(Top 59%)
10K6.21 mi3.10 mi13359+6633728+3663728+36612774(Top 44%)3423(Top 27%)3423(Top 60%)
15K9.32 mi3.11 mi13061+2983575+1533575+15312604(Top 43%)3350(Top 27%)3350(Top 59%)
20K12.43 mi3.11 mi12929+1323533+423533+4212551(Top 43%)3416(Top 27%)3416(Top 60%)
HALF13.11 mi0.68 mi12889+403508+253508+2512321(Top 42%)3226(Top 26%)3226(Top 56%)
25K15.53 mi2.42 mi13010-1213609-1013609-10113649(Top 47%)4101(Top 33%)4101(Top 72%)
30K18.64 mi3.11 mi13909-8994142-5334142-53317665(Top 61%)6489(Top 52%)6489(Top 114%)
20M20.00 mi1.36 mi14139-2304315-1734315-17316576(Top 57%)5954(Top 47%)5954(Top 104%)
21M21.00 mi1.00 mi14344-2054445-1304445-13017697(Top 61%)6617(Top 53%)6617(Top 116%)
35K21.75 mi0.75 mi14476-1324550-1054550-10517525(Top 60%)6632(Top 53%)6632(Top 116%)
23M23.00 mi1.25 mi14618-1424668-1184668-11816664(Top 57%)6232(Top 50%)6232(Top 109%)
24M24.00 mi1.00 mi15259-6415067-3995067-39922992(Top 79%)9542(Top 76%)9542(Top 167%)
40K24.85 mi0.85 mi15435-1765195-1285195-12819044(Top 66%)7587(Top 60%)7587(Top 133%)
25.2M25.20 mi0.35 mi15479-445227-325227-3218101(Top 62%)7079(Top 56%)7079(Top 124%)
FINISH26.22 mi1.02 mi15672-1935357-1305357-13019496(Top 67%)7808(Top 62%)7808(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
Γ—21stories
+97ft-345ft

Overall

12604

Females

3350

F18-39

3350

5K→10K

3.1 - 6.2 mi

Top 44%
Γ—5stories
+79ft-138ft

Overall

12774

Females

3423

F18-39

3423

10K→15K

6.2 - 9.3 mi

Top 43%
Γ—3stories
+67ft-78ft

Overall

12604

Females

3350

F18-39

3350

15K→20K

9.3 - 12.4 mi

Top 43%
Γ—5stories
+106ft-86ft

Overall

12551

Females

3416

F18-39

3416

20K→HALF

12.4 - 13.1 mi

Top 42%
Γ—2stories
+19ft-37ft

Overall

12321

Females

3226

F18-39

3226

HALF→25K

13.1 - 15.5 mi

Top 47%
Γ—4stories
+66ft-88ft

Overall

13649

Females

4101

F18-39

4101

25K→30K

15.5 - 18.6 mi

Top 61%
Γ—9stories
+181ft-148ft

Overall

17665

Females

6489

F18-39

6489

30K→20M

18.6 - 20.0 mi

Top 57%
Γ—5stories
+64ft-50ft

Overall

16576

Females

5954

F18-39

5954

20M→21M

20.0 - 21.0 mi

Top 61%
Γ—8stories
+106ft-24ft

Overall

17697

Females

6617

F18-39

6617

21M→35K

21.0 - 21.8 mi

Top 60%
Γ—7stories
+17ft-86ft

Overall

17525

Females

6632

F18-39

6632

35K→23M

21.8 - 23.0 mi

Top 57%
Γ—5stories
+23ft-63ft

Overall

16664

Females

6232

F18-39

6232

23M→24M

23.0 - 24.0 mi

Top 79%
Γ—6stories
+12ft-82ft

Overall

22992

Females

9542

F18-39

9542

24M→40K

24.0 - 24.9 mi

Top 66%
Γ—1story
+6ft-20ft

Overall

19044

Females

7587

F18-39

7587

40K→25.2M

24.9 - 25.2 mi

Top 62%
Γ—1story
+13ft-16ft

Overall

18101

Females

7079

F18-39

7079

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
Γ—2stories
+22ft-21ft

Overall

19496

Females

7808

F18-39

7808

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1801
Passed By
3451
Net Change
-1650
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#14022
5K β†’ 10K74986+663#14022#13359
10K β†’ 15K37375+298#13359#13061
15K β†’ 20K21280+132#13061#12929
20K β†’ HALF5515+40#12929#12889
HALF β†’ 25K94215-121#12889#13010
25K β†’ 30K40939-899#13010#13909
30K β†’ 20M55285-230#13909#14139
20M β†’ 21M49254-205#14139#14344
21M β†’ 35K32164-132#14344#14476
35K β†’ 23M68210-142#14476#14618
23M β†’ 24M8649-641#14618#15259
24M β†’ 40K33209-176#15259#15435
40K β†’ 25.2M1963-44#15435#15479
25.2M β†’ FINISH14207-193#15479#15672
TOTALS18013451-1650
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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing