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BOSTON MARATHON 2026

Cassie Skoras

Bib: 31638•F

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
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
26:17
3.11 mi
Rank: #19867
Start → 5K
26:17 | 8:28/mi
10K
52:14
6.21 mi
Rank: #19661 (+206)
5K → 10K
25:57 | 8:22/mi
15K
1:18:53
9.32 mi
Rank: #19941 (-280)
10K → 15K
26:39 | 8:35/mi
20K
1:47:21
12.43 mi
Rank: #20714 (-773)
15K → 20K
28:28 | 9:10/mi
HALF
1:53:24
13.11 mi
Rank: #20795 (-81)
20K → HALF
6:03 | 8:53/mi
25K
2:15:44
15.53 mi
Rank: #21024 (-229)
HALF → 25K
22:20 | 9:13/mi
30K
2:47:02
18.64 mi
Rank: #21598 (-574)
25K → 30K
31:18 | 10:05/mi
20M
2:59:36
20.00 mi
Rank: #21465 (+133)
30K → 20M
12:34 | 9:16/mi
21M
3:10:47
21.00 mi
Rank: #21652 (-187)
20M → 21M
11:11 | 11:11/mi
35K
3:17:21
21.75 mi
Rank: #21555 (+97)
21M → 35K
6:34 | 8:47/mi
23M
3:30:40
23.00 mi
Rank: #21763 (-208)
35K → 23M
13:19 | 10:39/mi
24M
3:39:46
24.00 mi
Rank: #21716 (+47)
23M → 24M
9:06 | 9:06/mi
40K
3:47:46
24.85 mi
Rank: #21657 (+59)
24M → 40K
8:00 | 9:22/mi
25.2M
3:51:21
25.20 mi
Rank: #21654 (+3)
40K → 25.2M
3:35 | 10:24/mi
FINISH
4:00:06
26.22 mi
Rank: #21580 (+74)
25.2M → FINISH
8:45 | 8:36/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:24
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:06:42
Pace9:40 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:0626:178:2826:17
8:28
-
10K
6.21 mi12:21:0352:148:2525:57
8:22
-0:06
15K
9.32 mi12:47:421:18:538:2826:39
8:35
+0:13
20K
12.43 mi13:16:101:47:218:3928:28
9:10
+0:35
HALF
13.11 mi13:22:131:53:248:406:03
8:53
-0:17
25K
15.53 mi13:44:332:15:448:4522:20
9:13
+0:20
30K
18.64 mi14:15:512:47:028:5831:18
10:05
+0:52
20M
20.00 mi14:28:252:59:368:5912:34
9:16
-0:49
21M
21.00 mi14:39:363:10:479:0611:11
11:11
+1:55
35K
21.75 mi14:46:103:17:219:056:34
8:47
-2:24
23M
23.00 mi14:59:293:30:409:1013:19
10:39
+1:52
24M
24.00 mi15:08:353:39:469:109:06
9:06
-1:33
40K
24.85 mi15:16:353:47:469:108:00
9:22
+0:16
25.2M
25.20 mi15:20:103:51:219:113:35
10:24
+1:02
FINISH
26.22 mi15:28:554:00:069:108:45
8:36
-1:48

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

8:22 /mi

Average Pace

9:10 /mi

Slowest Pace

11:11 /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

1:27:38

36% of race

Time at Steady Pace

1:33:05

39% of race

Time at Slower Pace

59:23

25% of race

Average Pace: 9:09 /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 mi11:55:0626:178:2826:17
8:28
#19867
10K
6.21 mi12:21:0352:148:2525:57
8:22
#19661
15K
9.32 mi12:47:421:18:538:2826:39
8:35
#19941
20K
12.43 mi13:16:101:47:218:3928:28
9:10
#20714
HALF
13.11 mi13:22:131:53:248:406:03
8:53
#20795
25K
15.53 mi13:44:332:15:448:4522:20
9:13
#21024
30K
18.64 mi14:15:512:47:028:5831:18
10:05
#21598
20M
20.00 mi14:28:252:59:368:5912:34
9:16
#21465
21M
21.00 mi14:39:363:10:479:0611:11
11:11
#21652
35K
21.75 mi14:46:103:17:219:056:34
8:47
#21555
23M
23.00 mi14:59:293:30:409:1013:19
10:39
#21763
24M
24.00 mi15:08:353:39:469:109:06
9:06
#21716
40K
24.85 mi15:16:353:47:469:108:00
9:22
#21657
25.2M
25.20 mi15:20:103:51:219:113:35
10:24
#21654
FINISH
26.22 mi15:28:554:00:069:108:45
8:36
#21580
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 mi198677553755320558(Top 71%)7875(Top 63%)7875(Top 138%)
10K6.21 mi3.10 mi19661+2067442+1117442+11119521(Top 67%)7331(Top 58%)7331(Top 128%)
15K9.32 mi3.11 mi19941-2807574-1327574-13220558(Top 71%)7875(Top 63%)7875(Top 138%)
20K12.43 mi3.11 mi20714-7737998-4247998-42422616(Top 78%)8967(Top 71%)8967(Top 157%)
HALF13.11 mi0.68 mi20795-818045-478045-4722204(Top 77%)8736(Top 69%)8736(Top 153%)
25K15.53 mi2.42 mi21024-2298178-1338178-13322084(Top 76%)8719(Top 69%)8719(Top 153%)
30K18.64 mi3.11 mi21598-5748476-2988476-29823326(Top 80%)9464(Top 75%)9464(Top 166%)
20M20.00 mi1.36 mi21465+1338426+508426+5020100(Top 69%)7866(Top 63%)7866(Top 138%)
21M21.00 mi1.00 mi21652-1878539-1138539-11323517(Top 81%)9693(Top 77%)9693(Top 170%)
35K21.75 mi0.75 mi21555+978489+508489+5019057(Top 66%)7480(Top 59%)7480(Top 131%)
23M23.00 mi1.25 mi21763-2088620-1318620-13123708(Top 82%)9888(Top 79%)9888(Top 173%)
24M24.00 mi1.00 mi21716+478602+188602+1819905(Top 69%)8014(Top 64%)8014(Top 140%)
40K24.85 mi0.85 mi21657+598582+208582+2019890(Top 69%)8030(Top 64%)8030(Top 140%)
25.2M25.20 mi0.35 mi21654+38587-58587-520776(Top 72%)8454(Top 67%)8454(Top 148%)
FINISH26.22 mi1.02 mi21580+748550+378550+3718637(Top 64%)7378(Top 59%)7378(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21
+97ft-345ft

Overall

20558

Females

7875

F18-39

7875

5K→10K

3.1 - 6.2 mi

Top 67%
×5
+79ft-138ft

Overall

19521

Females

7331

F18-39

7331

10K→15K

6.2 - 9.3 mi

Top 71%
×3
+67ft-78ft

Overall

20558

Females

7875

F18-39

7875

15K→20K

9.3 - 12.4 mi

Top 78%
×5
+106ft-86ft

Overall

22616

Females

8967

F18-39

8967

20K→HALF

12.4 - 13.1 mi

Top 77%
×2
+19ft-37ft

Overall

22204

Females

8736

F18-39

8736

HALF→25K

13.1 - 15.5 mi

Top 76%
×4
+66ft-88ft

Overall

22084

Females

8719

F18-39

8719

25K→30K

15.5 - 18.6 mi

Top 80%
×9
+181ft-148ft

Overall

23326

Females

9464

F18-39

9464

30K→20M

18.6 - 20.0 mi

Top 69%
×5
+64ft-50ft

Overall

20100

Females

7866

F18-39

7866

20M→21M

20.0 - 21.0 mi

Top 81%
×8
+106ft-24ft

Overall

23517

Females

9693

F18-39

9693

21M→35K

21.0 - 21.8 mi

Top 66%
×7
+17ft-86ft

Overall

19057

Females

7480

F18-39

7480

35K→23M

21.8 - 23.0 mi

Top 82%
×5
+23ft-63ft

Overall

23708

Females

9888

F18-39

9888

23M→24M

23.0 - 24.0 mi

Top 69%
×6
+12ft-82ft

Overall

19905

Females

8014

F18-39

8014

24M→40K

24.0 - 24.9 mi

Top 69%
×1
+6ft-20ft

Overall

19890

Females

8030

F18-39

8030

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1
+13ft-16ft

Overall

20776

Females

8454

F18-39

8454

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
×2
+22ft-21ft

Overall

18637

Females

7378

F18-39

7378

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1240
Passed By
2953
Net Change
-1713
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19867
5K → 10K390184+206#19867#19661
10K → 15K78358-280#19661#19941
15K → 20K40813-773#19941#20714
20K → HALF1495-81#20714#20795
HALF → 25K61290-229#20795#21024
25K → 30K46620-574#21024#21598
30K → 20M16027+133#21598#21465
20M → 21M43230-187#21465#21652
21M → 35K1025+97#21652#21555
35K → 23M31239-208#21555#21763
23M → 24M7225+47#21763#21716
24M → 40K8223+59#21716#21657
40K → 25.2M3229+3#21657#21654
25.2M → FINISH8915+74#21654#21580
TOTALS12402953-1713
📊

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