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BOSTON MARATHON 2026

Courtney Kelly

Bib: 10536•F

MA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 31%
Gender (Female)
#0 / 12578
Top 14%
Age Group (F18-39)
#0 / 5716
Top 25%
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
21:41
3.11 mi
Rank: #8391
Start → 5K
21:41 | 6:59/mi
10K
43:27
6.21 mi
Rank: #8538 (-147)
5K → 10K
21:46 | 7:01/mi
15K
1:05:08
9.32 mi
Rank: #8497 (+41)
10K → 15K
21:41 | 6:59/mi
20K
1:27:07
12.43 mi
Rank: #8448 (+49)
15K → 20K
21:59 | 7:05/mi
HALF
1:31:55
13.11 mi
Rank: #8464 (-16)
20K → HALF
4:48 | 7:03/mi
25K
1:49:08
15.53 mi
Rank: #8374 (+90)
HALF → 25K
17:13 | 7:06/mi
30K
2:12:01
18.64 mi
Rank: #8300 (+74)
25K → 30K
22:53 | 7:22/mi
20M
2:22:13
20.00 mi
Rank: #8306 (-6)
30K → 20M
10:12 | 7:31/mi
21M
2:30:07
21.00 mi
Rank: #8310 (-4)
20M → 21M
7:54 | 7:54/mi
35K
2:35:43
21.75 mi
Rank: #8366 (-56)
21M → 35K
5:36 | 7:30/mi
23M
2:45:26
23.00 mi
Rank: #8455 (-89)
35K → 23M
9:43 | 7:46/mi
24M
2:53:07
24.00 mi
Rank: #8560 (-105)
23M → 24M
7:41 | 7:41/mi
40K
2:59:56
24.85 mi
Rank: #8657 (-97)
24M → 40K
6:49 | 7:59/mi
25.2M
3:02:59
25.20 mi
Rank: #8724 (-67)
40K → 25.2M
3:03 | 8:51/mi
FINISH
3:10:59
26.22 mi
Rank: #8885 (-161)
25.2M → FINISH
8:00 | 7:52/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:31:55
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:39:04
Pace7:34 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:2421:416:5921:41
6:59
-
10K
6.21 mi11:01:1043:277:0021:46
7:01
+0:02
15K
9.32 mi11:22:511:05:087:0021:41
6:59
-0:02
20K
12.43 mi11:44:501:27:077:0121:59
7:05
+0:06
HALF
13.11 mi11:49:381:31:557:014:48
7:03
-0:02
25K
15.53 mi12:06:511:49:087:0217:13
7:06
+0:03
30K
18.64 mi12:29:442:12:017:0522:53
7:22
+0:16
20M
20.00 mi12:39:562:22:137:0710:12
7:31
+0:09
21M
21.00 mi12:47:502:30:077:097:54
7:54
+0:23
35K
21.75 mi12:53:262:35:437:105:36
7:30
-0:24
23M
23.00 mi13:03:092:45:267:129:43
7:46
+0:16
24M
24.00 mi13:10:502:53:077:137:41
7:41
-0:05
40K
24.85 mi13:17:392:59:567:156:49
7:59
+0:18
25.2M
25.20 mi13:20:423:02:597:163:03
8:51
+0:52
FINISH
26.22 mi13:28:423:10:597:188:00
7:52
-0:59

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

6:59 /mi

Average Pace

7:17 /mi

Slowest Pace

8:51 /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

1:49:08

57% of race

Time at Steady Pace

46:22

24% of race

Time at Slower Pace

35:29

19% of race

Average Pace: 7:17 /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 mi10:39:2421:416:5921:41
6:59
#8391
10K
6.21 mi11:01:1043:277:0021:46
7:01
#8538
15K
9.32 mi11:22:511:05:087:0021:41
6:59
#8497
20K
12.43 mi11:44:501:27:077:0121:59
7:05
#8448
HALF
13.11 mi11:49:381:31:557:014:48
7:03
#8464
25K
15.53 mi12:06:511:49:087:0217:13
7:06
#8374
30K
18.64 mi12:29:442:12:017:0522:53
7:22
#8300
20M
20.00 mi12:39:562:22:137:0710:12
7:31
#8306
21M
21.00 mi12:47:502:30:077:097:54
7:54
#8310
35K
21.75 mi12:53:262:35:437:105:36
7:30
#8366
23M
23.00 mi13:03:092:45:267:129:43
7:46
#8455
24M
24.00 mi13:10:502:53:077:137:41
7:41
#8560
40K
24.85 mi13:17:392:59:567:156:49
7:59
#8657
25.2M
25.20 mi13:20:423:02:597:163:03
8:51
#8724
FINISH
26.22 mi13:28:423:10:597:188:00
7:52
#8885
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 mi8391120312038456(Top 29%)1289(Top 10%)1289(Top 23%)
10K6.21 mi3.10 mi8538-1471286-831286-838742(Top 30%)1371(Top 11%)1371(Top 24%)
15K9.32 mi3.11 mi8497+411275+111275+118456(Top 29%)1289(Top 10%)1289(Top 23%)
20K12.43 mi3.11 mi8448+491270+51270+58415(Top 29%)1313(Top 10%)1313(Top 23%)
HALF13.11 mi0.68 mi8464-161279-91279-99057(Top 31%)1540(Top 12%)1540(Top 27%)
25K15.53 mi2.42 mi8374+901264+151264+158152(Top 28%)1297(Top 10%)1297(Top 23%)
30K18.64 mi3.11 mi8300+741272-81272-88640(Top 30%)1652(Top 13%)1652(Top 29%)
20M20.00 mi1.36 mi8306-61297-251297-259207(Top 32%)2004(Top 16%)2004(Top 35%)
21M21.00 mi1.00 mi8310-41321-241321-249239(Top 32%)2132(Top 17%)2132(Top 37%)
35K21.75 mi0.75 mi8366-561362-411362-4110746(Top 37%)2858(Top 23%)2858(Top 50%)
23M23.00 mi1.25 mi8455-891436-741436-7410783(Top 37%)2994(Top 24%)2994(Top 52%)
24M24.00 mi1.00 mi8560-1051513-771513-7711425(Top 39%)3389(Top 27%)3389(Top 59%)
40K24.85 mi0.85 mi8657-971577-641577-6412327(Top 42%)3940(Top 31%)3940(Top 69%)
25.2M25.20 mi0.35 mi8724-671619-421619-4213773(Top 47%)4748(Top 38%)4748(Top 83%)
FINISH26.22 mi1.02 mi8885-1611713-941713-9414138(Top 49%)4972(Top 40%)4972(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21
+97ft-345ft

Overall

8456

Females

1289

F18-39

1289

5K→10K

3.1 - 6.2 mi

Top 30%
×5
+79ft-138ft

Overall

8742

Females

1371

F18-39

1371

10K→15K

6.2 - 9.3 mi

Top 29%
×3
+67ft-78ft

Overall

8456

Females

1289

F18-39

1289

15K→20K

9.3 - 12.4 mi

Top 29%
×5
+106ft-86ft

Overall

8415

Females

1313

F18-39

1313

20K→HALF

12.4 - 13.1 mi

Top 31%
×2
+19ft-37ft

Overall

9057

Females

1540

F18-39

1540

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

8152

Females

1297

F18-39

1297

25K→30K

15.5 - 18.6 mi

Top 30%
×9
+181ft-148ft

Overall

8640

Females

1652

F18-39

1652

30K→20M

18.6 - 20.0 mi

Top 32%
×5
+64ft-50ft

Overall

9207

Females

2004

F18-39

2004

20M→21M

20.0 - 21.0 mi

Top 32%
×8
+106ft-24ft

Overall

9239

Females

2132

F18-39

2132

21M→35K

21.0 - 21.8 mi

Top 37%
×7
+17ft-86ft

Overall

10746

Females

2858

F18-39

2858

35K→23M

21.8 - 23.0 mi

Top 37%
×5
+23ft-63ft

Overall

10783

Females

2994

F18-39

2994

23M→24M

23.0 - 24.0 mi

Top 39%
×6
+12ft-82ft

Overall

11425

Females

3389

F18-39

3389

24M→40K

24.0 - 24.9 mi

Top 42%
×1
+6ft-20ft

Overall

12327

Females

3940

F18-39

3940

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1
+13ft-16ft

Overall

13773

Females

4748

F18-39

4748

25.2M→FINISH

25.2 - 26.2 mi

Top 49%
×2
+22ft-21ft

Overall

14138

Females

4972

F18-39

4972

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1193
Passed By
1687
Net Change
-494
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8391
5K → 10K154301-147#8391#8538
10K → 15K146105+41#8538#8497
15K → 20K149100+49#8497#8448
20K → HALF2339-16#8448#8464
HALF → 25K15363+90#8464#8374
25K → 30K183109+74#8374#8300
30K → 20M7884-6#8300#8306
20M → 21M7680-4#8306#8310
21M → 35K3591-56#8310#8366
35K → 23M65154-89#8366#8455
23M → 24M45150-105#8455#8560
24M → 40K44141-97#8560#8657
40K → 25.2M1380-67#8657#8724
25.2M → FINISH29190-161#8724#8885
TOTALS11931687-494
📊

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