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BOSTON MARATHON 2026

Sarah Kilroy

Bib: 15673β€’F

AZ

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0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 42%
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
22:33
3.11 mi
Rank: #10700
Start β†’ 5K
22:33 | 7:16/mi
10K
45:11
6.21 mi
Rank: #10842 (-142)
5K β†’ 10K
22:38 | 7:18/mi
15K
1:08:58
9.32 mi
Rank: #11944 (-1102)
10K β†’ 15K
23:47 | 7:40/mi
20K
1:33:51
12.43 mi
Rank: #13045 (-1101)
15K β†’ 20K
24:53 | 8:01/mi
HALF
1:39:07
13.11 mi
Rank: #13134 (-89)
20K β†’ HALF
5:16 | 7:44/mi
25K
1:58:25
15.53 mi
Rank: #13430 (-296)
HALF β†’ 25K
19:18 | 7:58/mi
30K
2:25:02
18.64 mi
Rank: #14208 (-778)
25K β†’ 30K
26:37 | 8:35/mi
20M
2:37:36
20.00 mi
Rank: #14762 (-554)
30K β†’ 20M
12:34 | 9:16/mi
21M
2:46:26
21.00 mi
Rank: #14763 (-1)
20M β†’ 21M
8:50 | 8:50/mi
35K
2:52:28
21.75 mi
Rank: #14767 (-4)
21M β†’ 35K
6:02 | 8:04/mi
23M
3:03:34
23.00 mi
Rank: #14978 (-211)
35K β†’ 23M
11:06 | 8:53/mi
24M
3:12:27
24.00 mi
Rank: #15198 (-220)
23M β†’ 24M
8:53 | 8:53/mi
40K
3:20:18
24.85 mi
Rank: #15391 (-193)
24M β†’ 40K
7:51 | 9:11/mi
25.2M
3:23:50
25.20 mi
Rank: #15495 (-104)
40K β†’ 25.2M
3:32 | 10:15/mi
FINISH
3:32:33
26.22 mi
Rank: #15631 (-136)
25.2M β†’ FINISH
8:43 | 8:34/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:07
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:53:26
Pace8:40 /mi
πŸ“ŠPositive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0422:337:1622:33
7:16
-
10K
6.21 mi11:16:4245:117:1722:38
7:18
+0:02
15K
9.32 mi11:40:291:08:587:2423:47
7:40
+0:22
20K
12.43 mi12:05:221:33:517:3424:53
8:01
+0:21
HALF
13.11 mi12:10:381:39:077:345:16
7:44
-0:17
25K
15.53 mi12:29:561:58:257:3819:18
7:58
+0:14
30K
18.64 mi12:56:332:25:027:4726:37
8:35
+0:37
20M
20.00 mi13:09:072:37:367:5312:34
9:16
+0:41
21M
21.00 mi13:17:572:46:267:568:50
8:50
-0:26
35K
21.75 mi13:23:592:52:287:566:02
8:04
-0:46
23M
23.00 mi13:35:053:03:347:5911:06
8:53
+0:49
24M
24.00 mi13:43:583:12:278:028:53
8:53
0:00
40K
24.85 mi13:51:493:20:188:047:51
9:11
+0:18
25.2M
25.20 mi13:55:213:23:508:063:32
10:15
+1:04
FINISH
26.22 mi14:04:043:32:338:078:43
8:34
-1:41

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

7:16 /mi

Average Pace

8:07 /mi

Slowest Pace

10:15 /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

2:04:27

59% of race

Time at Steady Pace

1:04:09

30% of race

Time at Slower Pace

23:57

11% of race

Average Pace: 8:06 /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 mi10:54:0422:337:1622:33
7:16
#10700
10K
6.21 mi11:16:4245:117:1722:38
7:18
#10842
15K
9.32 mi11:40:291:08:587:2423:47
7:40
#11944
20K
12.43 mi12:05:221:33:517:3424:53
8:01
#13045
HALF
13.11 mi12:10:381:39:077:345:16
7:44
#13134
25K
15.53 mi12:29:561:58:257:3819:18
7:58
#13430
30K
18.64 mi12:56:332:25:027:4726:37
8:35
#14208
20M
20.00 mi13:09:072:37:367:5312:34
9:16
#14762
21M
21.00 mi13:17:572:46:267:568:50
8:50
#14763
35K
21.75 mi13:23:592:52:287:566:02
8:04
#14767
23M
23.00 mi13:35:053:03:347:5911:06
8:53
#14978
24M
24.00 mi13:43:583:12:278:028:53
8:53
#15198
40K
24.85 mi13:51:493:20:188:047:51
9:11
#15391
25.2M
25.20 mi13:55:213:23:508:063:32
10:15
#15495
FINISH
26.22 mi14:04:043:32:338:078:43
8:34
#15631
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 mi107002229222914176(Top 49%)4242(Top 34%)4242(Top 74%)
10K6.21 mi3.10 mi10842-1422319-902319-9011036(Top 38%)2449(Top 19%)2449(Top 43%)
15K9.32 mi3.11 mi11944-11022927-6082927-60814176(Top 49%)4242(Top 34%)4242(Top 74%)
20K12.43 mi3.11 mi13045-11013607-6803607-68016196(Top 56%)5491(Top 44%)5491(Top 96%)
HALF13.11 mi0.68 mi13134-893660-533660-5315042(Top 52%)4763(Top 38%)4763(Top 83%)
25K15.53 mi2.42 mi13430-2963841-1813841-18115111(Top 52%)4930(Top 39%)4930(Top 86%)
30K18.64 mi3.11 mi14208-7784332-4914332-49117296(Top 60%)6278(Top 50%)6278(Top 110%)
20M20.00 mi1.36 mi14762-5544685-3534685-35320078(Top 69%)7844(Top 62%)7844(Top 137%)
21M21.00 mi1.00 mi14763-14712-274712-2715204(Top 52%)5249(Top 42%)5249(Top 92%)
35K21.75 mi0.75 mi14767-44732-204732-2014961(Top 52%)5166(Top 41%)5166(Top 90%)
23M23.00 mi1.25 mi14978-2114889-1574889-15717846(Top 61%)6874(Top 55%)6874(Top 120%)
24M24.00 mi1.00 mi15198-2205036-1475036-14718948(Top 65%)7490(Top 60%)7490(Top 131%)
40K24.85 mi0.85 mi15391-1935163-1275163-12719215(Top 66%)7678(Top 61%)7678(Top 134%)
25.2M25.20 mi0.35 mi15495-1045235-725235-7220257(Top 70%)8183(Top 65%)8183(Top 143%)
FINISH26.22 mi1.02 mi15631-1365335-1005335-10018434(Top 64%)7263(Top 58%)7263(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
Γ—21
+97ft-345ft

Overall

14176

Females

4242

F18-39

4242

5K→10K

3.1 - 6.2 mi

Top 38%
Γ—5
+79ft-138ft

Overall

11036

Females

2449

F18-39

2449

10K→15K

6.2 - 9.3 mi

Top 49%
Γ—3
+67ft-78ft

Overall

14176

Females

4242

F18-39

4242

15K→20K

9.3 - 12.4 mi

Top 56%
Γ—5
+106ft-86ft

Overall

16196

Females

5491

F18-39

5491

20K→HALF

12.4 - 13.1 mi

Top 52%
Γ—2
+19ft-37ft

Overall

15042

Females

4763

F18-39

4763

HALF→25K

13.1 - 15.5 mi

Top 52%
Γ—4
+66ft-88ft

Overall

15111

Females

4930

F18-39

4930

25K→30K

15.5 - 18.6 mi

Top 60%
Γ—9
+181ft-148ft

Overall

17296

Females

6278

F18-39

6278

30K→20M

18.6 - 20.0 mi

Top 69%
Γ—5
+64ft-50ft

Overall

20078

Females

7844

F18-39

7844

20M→21M

20.0 - 21.0 mi

Top 52%
Γ—8
+106ft-24ft

Overall

15204

Females

5249

F18-39

5249

21M→35K

21.0 - 21.8 mi

Top 52%
Γ—7
+17ft-86ft

Overall

14961

Females

5166

F18-39

5166

35K→23M

21.8 - 23.0 mi

Top 61%
Γ—5
+23ft-63ft

Overall

17846

Females

6874

F18-39

6874

23M→24M

23.0 - 24.0 mi

Top 65%
Γ—6
+12ft-82ft

Overall

18948

Females

7490

F18-39

7490

24M→40K

24.0 - 24.9 mi

Top 66%
Γ—1
+6ft-20ft

Overall

19215

Females

7678

F18-39

7678

40K→25.2M

24.9 - 25.2 mi

Top 70%
Γ—1
+13ft-16ft

Overall

20257

Females

8183

F18-39

8183

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
Γ—2
+22ft-21ft

Overall

18434

Females

7263

F18-39

7263

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
655
Passed By
2342
Net Change
-4931
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#10700
5K β†’ 10K167200-142#10700#10842
10K β†’ 15K24200-1102#10842#11944
15K β†’ 20K23200-1101#11944#13045
20K β†’ HALF1099-89#13045#13134
HALF β†’ 25K58200-296#13134#13430
25K β†’ 30K48200-778#13430#14208
30K β†’ 20M19200-554#14208#14762
20M β†’ 21M101102-1#14762#14763
21M β†’ 35K6064-4#14763#14767
35K β†’ 23M45200-211#14767#14978
23M β†’ 24M33200-220#14978#15198
24M β†’ 40K30200-193#15198#15391
40K β†’ 25.2M13117-104#15391#15495
25.2M β†’ FINISH24160-136#15495#15631
TOTALS6552342-4931
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