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BOSTON MARATHON 2026

Ciara Slider

Bib: 14861•F

UT

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 43%
Masters (Masters Women)
#0 / 6862
Top 28%
Age Group (F40-44)
#0 / 1737
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
23:54
3.11 mi
Rank: #14501
Start → 5K
23:54 | 7:42/mi
10K
47:55
6.21 mi
Rank: #14734 (-233)
5K → 10K
24:01 | 7:44/mi
15K
1:11:44
9.32 mi
Rank: #14522 (+212)
10K → 15K
23:49 | 7:40/mi
20K
1:35:44
12.43 mi
Rank: #14337 (+185)
15K → 20K
24:00 | 7:44/mi
HALF
1:41:03
13.11 mi
Rank: #14402 (-65)
20K → HALF
5:19 | 7:48/mi
25K
2:02:00
15.53 mi
Rank: #15374 (-972)
HALF → 25K
20:57 | 8:39/mi
30K
2:27:09
18.64 mi
Rank: #15141 (+233)
25K → 30K
25:09 | 8:06/mi
20M
2:38:46
20.00 mi
Rank: #15245 (-104)
30K → 20M
11:37 | 8:34/mi
21M
2:48:32
21.00 mi
Rank: #15562 (-317)
20M → 21M
9:46 | 9:46/mi
35K
2:55:39
21.75 mi
Rank: #15889 (-327)
21M → 35K
7:07 | 9:31/mi
23M
3:06:03
23.00 mi
Rank: #15780 (+109)
35K → 23M
10:24 | 8:19/mi
24M
3:14:31
24.00 mi
Rank: #15820 (-40)
23M → 24M
8:28 | 8:28/mi
40K
3:21:42
24.85 mi
Rank: #15777 (+43)
24M → 40K
7:11 | 8:25/mi
25.2M
3:24:48
25.20 mi
Rank: #15753 (+24)
40K → 25.2M
3:06 | 9:00/mi
FINISH
3:33:07
26.22 mi
Rank: #15754 (-1)
25.2M → FINISH
8:19 | 8:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:03
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:52:04
Pace8:33 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5723:547:4223:54
7:42
-
10K
6.21 mi11:18:5847:557:4324:01
7:44
+0:02
15K
9.32 mi11:42:471:11:447:4223:49
7:40
-0:04
20K
12.43 mi12:06:471:35:447:4324:00
7:44
+0:04
HALF
13.11 mi12:12:061:41:037:435:19
7:48
+0:04
25K
15.53 mi12:33:032:02:007:5220:57
8:39
+0:51
30K
18.64 mi12:58:122:27:097:5425:09
8:06
-0:33
20M
20.00 mi13:09:492:38:467:5711:37
8:34
+0:28
21M
21.00 mi13:19:352:48:328:029:46
9:46
+1:12
35K
21.75 mi13:26:422:55:398:057:07
9:31
-0:15
23M
23.00 mi13:37:063:06:038:0610:24
8:19
-1:12
24M
24.00 mi13:45:343:14:318:078:28
8:28
+0:09
40K
24.85 mi13:52:453:21:428:077:11
8:25
-0:03
25.2M
25.20 mi13:55:513:24:488:083:06
9:00
+0:35
FINISH
26.22 mi14:04:103:33:078:098:19
8:10
-0:50

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

7:40 /mi

Average Pace

8:08 /mi

Slowest Pace

9:46 /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

1:41:03

47% of race

Time at Steady Pace

1:11:08

33% of race

Time at Slower Pace

40:56

19% of race

Average Pace: 8:08 /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 mi10:54:5723:547:4223:54
7:42
#14501
10K
6.21 mi11:18:5847:557:4324:01
7:44
#14734
15K
9.32 mi11:42:471:11:447:4223:49
7:40
#14522
20K
12.43 mi12:06:471:35:447:4324:00
7:44
#14337
HALF
13.11 mi12:12:061:41:037:435:19
7:48
#14402
25K
15.53 mi12:33:032:02:007:5220:57
8:39
#15374
30K
18.64 mi12:58:122:27:097:5425:09
8:06
#15141
20M
20.00 mi13:09:492:38:467:5711:37
8:34
#15245
21M
21.00 mi13:19:352:48:328:029:46
9:46
#15562
35K
21.75 mi13:26:422:55:398:057:07
9:31
#15889
23M
23.00 mi13:37:063:06:038:0610:24
8:19
#15780
24M
24.00 mi13:45:343:14:318:078:28
8:28
#15820
40K
24.85 mi13:52:453:21:428:077:11
8:25
#15777
25.2M
25.20 mi13:55:513:24:488:083:06
9:00
#15753
FINISH
26.22 mi14:04:103:33:078:098:19
8:10
#15754
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi145014368436814269(Top 49%)4298(Top 34%)4298(Top 247%)
10K6.21 mi3.10 mi14734-2334539-1714539-17115021(Top 52%)4720(Top 38%)4720(Top 272%)
15K9.32 mi3.11 mi14522+2124436+1034436+10314269(Top 49%)4298(Top 34%)4298(Top 247%)
20K12.43 mi3.11 mi14337+1854334+1024334+10213943(Top 48%)4194(Top 33%)4194(Top 241%)
HALF13.11 mi0.68 mi14402-654376-424376-4215613(Top 54%)5113(Top 41%)5113(Top 294%)
25K15.53 mi2.42 mi15374-9724995-6194995-61919393(Top 67%)7339(Top 58%)7339(Top 423%)
30K18.64 mi3.11 mi15141+2334886+1094886+10914192(Top 49%)4508(Top 36%)4508(Top 260%)
20M20.00 mi1.36 mi15245-1044967-814967-8116519(Top 57%)5921(Top 47%)5921(Top 341%)
21M21.00 mi1.00 mi15562-3175179-2125179-21219628(Top 68%)7647(Top 61%)7647(Top 440%)
35K21.75 mi0.75 mi15889-3275385-2065385-20621804(Top 75%)8850(Top 70%)8850(Top 509%)
23M23.00 mi1.25 mi15780+1095348+375348+3714550(Top 50%)5025(Top 40%)5025(Top 289%)
24M24.00 mi1.00 mi15820-405390-425390-4216705(Top 58%)6287(Top 50%)6287(Top 362%)
40K24.85 mi0.85 mi15777+435384+65384+615102(Top 52%)5484(Top 44%)5484(Top 316%)
25.2M25.20 mi0.35 mi15753+245380+45380+414729(Top 51%)5298(Top 42%)5298(Top 305%)
FINISH26.22 mi1.02 mi15754-15405-255405-2516210(Top 56%)6062(Top 48%)6062(Top 349%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14269

Females

4298

F40-44

4298

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

15021

Females

4720

F40-44

4720

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14269

Females

4298

F40-44

4298

15K→20K

9.3 - 12.4 mi

Top 48%
×5
+106ft-86ft

Overall

13943

Females

4194

F40-44

4194

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15613

Females

5113

F40-44

5113

HALF→25K

13.1 - 15.5 mi

Top 67%
×4
+66ft-88ft

Overall

19393

Females

7339

F40-44

7339

25K→30K

15.5 - 18.6 mi

Top 49%
×9
+181ft-148ft

Overall

14192

Females

4508

F40-44

4508

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16519

Females

5921

F40-44

5921

20M→21M

20.0 - 21.0 mi

Top 68%
×8
+106ft-24ft

Overall

19628

Females

7647

F40-44

7647

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21804

Females

8850

F40-44

8850

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14550

Females

5025

F40-44

5025

23M→24M

23.0 - 24.0 mi

Top 58%
×6
+12ft-82ft

Overall

16705

Females

6287

F40-44

6287

24M→40K

24.0 - 24.9 mi

Top 52%
×1
+6ft-20ft

Overall

15102

Females

5484

F40-44

5484

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1
+13ft-16ft

Overall

14729

Females

5298

F40-44

5298

25.2M→FINISH

25.2 - 26.2 mi

Top 56%
×2
+22ft-21ft

Overall

16210

Females

6062

F40-44

6062

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1671
Passed By
2924
Net Change
-1253
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14501
5K → 10K202435-233#14501#14734
10K → 15K321109+212#14734#14522
15K → 20K26378+185#14522#14337
20K → HALF1176-65#14337#14402
HALF → 25K281000-972#14402#15374
25K → 30K31582+233#15374#15141
30K → 20M76180-104#15141#15245
20M → 21M41358-317#15245#15562
21M → 35K16343-327#15562#15889
35K → 23M15950+109#15889#15780
23M → 24M5595-40#15780#15820
24M → 40K8946+43#15820#15777
40K → 25.2M4218+24#15777#15753
25.2M → FINISH5354-1#15753#15754
TOTALS16712924-1253

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📊

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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing