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BOSTON MARATHON 2026

Kate Kirson

Bib: 28987β€’F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
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
33:25
3.11 mi
Rank: #27643
Start β†’ 5K
33:25 | 10:46/mi
10K
1:06:11
6.21 mi
Rank: #27318 (+325)
5K β†’ 10K
32:46 | 10:33/mi
15K
1:38:20
9.32 mi
Rank: #26983 (+335)
10K β†’ 15K
32:09 | 10:21/mi
20K
2:10:29
12.43 mi
Rank: #26674 (+309)
15K β†’ 20K
32:09 | 10:21/mi
HALF
2:17:35
13.11 mi
Rank: #26651 (+23)
20K β†’ HALF
7:06 | 10:25/mi
25K
2:43:32
15.53 mi
Rank: #26519 (+132)
HALF β†’ 25K
25:57 | 10:43/mi
30K
3:16:51
18.64 mi
Rank: #26238 (+281)
25K β†’ 30K
33:19 | 10:44/mi
20M
3:31:23
20.00 mi
Rank: #26091 (+147)
30K β†’ 20M
14:32 | 10:42/mi
21M
3:42:13
21.00 mi
Rank: #25926 (+165)
20M β†’ 21M
10:50 | 10:50/mi
35K
3:49:56
21.75 mi
Rank: #25852 (+74)
21M β†’ 35K
7:43 | 10:19/mi
23M
4:04:06
23.00 mi
Rank: #25834 (+18)
35K β†’ 23M
14:10 | 11:20/mi
24M
4:14:42
24.00 mi
Rank: #25772 (+62)
23M β†’ 24M
10:36 | 10:36/mi
40K
4:23:57
24.85 mi
Rank: #25695 (+77)
24M β†’ 40K
9:15 | 10:50/mi
25.2M
4:27:51
25.20 mi
Rank: #25659 (+36)
40K β†’ 25.2M
3:54 | 11:19/mi
FINISH
4:38:04
26.22 mi
Rank: #25596 (+63)
25.2M β†’ FINISH
10:13 | 10:02/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:17:35
Pace10:30 /mi
2nd Half
Distance13.11 mi
Time2:20:29
Pace10:43 /mi
πŸ“ŠPositive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:3733:2510:4633:25
10:46
-
10K
6.21 mi12:31:231:06:1110:4032:46
10:33
-0:13
15K
9.32 mi13:03:321:38:2010:3432:09
10:21
-0:12
20K
12.43 mi13:35:412:10:2910:3032:09
10:21
0:00
HALF
13.11 mi13:42:472:17:3510:307:06
10:25
+0:04
25K
15.53 mi14:08:442:43:3210:3225:57
10:43
+0:18
30K
18.64 mi14:42:033:16:5110:3433:19
10:44
+0:01
20M
20.00 mi14:56:353:31:2310:3514:32
10:42
-0:02
21M
21.00 mi15:07:253:42:1310:3510:50
10:50
+0:08
35K
21.75 mi15:15:083:49:5610:357:43
10:19
-0:31
23M
23.00 mi15:29:184:04:0610:3714:10
11:20
+1:01
24M
24.00 mi15:39:544:14:4210:3710:36
10:36
-0:44
40K
24.85 mi15:49:094:23:5710:389:15
10:50
+0:14
25.2M
25.20 mi15:53:034:27:5110:383:54
11:19
+0:29
FINISH
26.22 mi16:03:164:38:0410:3710:13
10:02
-1:17

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

10:02 /mi

Average Pace

10:37 /mi

Slowest Pace

11:20 /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

4:20:00

94% of race

Time at Steady Pace

18:04

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:36 /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 mi11:58:3733:2510:4633:25
10:46
#27643
10K
6.21 mi12:31:231:06:1110:4032:46
10:33
#27318
15K
9.32 mi13:03:321:38:2010:3432:09
10:21
#26983
20K
12.43 mi13:35:412:10:2910:3032:09
10:21
#26674
HALF
13.11 mi13:42:472:17:3510:307:06
10:25
#26651
25K
15.53 mi14:08:442:43:3210:3225:57
10:43
#26519
30K
18.64 mi14:42:033:16:5110:3433:19
10:44
#26238
20M
20.00 mi14:56:353:31:2310:3514:32
10:42
#26091
21M
21.00 mi15:07:253:42:1310:3510:50
10:50
#25926
35K
21.75 mi15:15:083:49:5610:357:43
10:19
#25852
23M
23.00 mi15:29:184:04:0610:3714:10
11:20
#25834
24M
24.00 mi15:39:544:14:4210:3710:36
10:36
#25772
40K
24.85 mi15:49:094:23:5710:389:15
10:50
#25695
25.2M
25.20 mi15:53:034:27:5110:383:54
11:19
#25659
FINISH
26.22 mi16:03:164:38:0410:3710:13
10:02
#25596
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 mi27643116451164526412(Top 91%)10969(Top 87%)10969(Top 192%)
10K6.21 mi3.10 mi27318+32511472+17311472+17327004(Top 93%)11293(Top 90%)11293(Top 198%)
15K9.32 mi3.11 mi26983+33511275+19711275+19726412(Top 91%)10969(Top 87%)10969(Top 192%)
20K12.43 mi3.11 mi26674+30911113+16211113+16225819(Top 89%)10645(Top 85%)10645(Top 186%)
HALF13.11 mi0.68 mi26651+2311105+811105+826511(Top 91%)11061(Top 88%)11061(Top 194%)
25K15.53 mi2.42 mi26519+13211033+7211033+7225853(Top 89%)10709(Top 85%)10709(Top 187%)
30K18.64 mi3.11 mi26238+28110906+12710906+12724776(Top 85%)10258(Top 82%)10258(Top 179%)
20M20.00 mi1.36 mi26091+14710830+7610830+7624306(Top 84%)10078(Top 80%)10078(Top 176%)
21M21.00 mi1.00 mi25926+16510757+7310757+7322767(Top 78%)9296(Top 74%)9296(Top 163%)
35K21.75 mi0.75 mi25852+7410720+3710720+3723943(Top 83%)9965(Top 79%)9965(Top 174%)
23M23.00 mi1.25 mi25834+1810732-1210732-1225117(Top 87%)10631(Top 85%)10631(Top 186%)
24M24.00 mi1.00 mi25772+6210712+2010712+2024308(Top 84%)10246(Top 81%)10246(Top 179%)
40K24.85 mi0.85 mi25695+7710686+2610686+2623887(Top 82%)10076(Top 80%)10076(Top 176%)
25.2M25.20 mi0.35 mi25659+3610677+910677+923160(Top 80%)9707(Top 77%)9707(Top 170%)
FINISH26.22 mi1.02 mi25596+6310656+2110656+2123929(Top 82%)10081(Top 80%)10081(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
Γ—21
+97ft-345ft

Overall

26412

Females

10969

F18-39

10969

5K→10K

3.1 - 6.2 mi

Top 93%
Γ—5
+79ft-138ft

Overall

27004

Females

11293

F18-39

11293

10K→15K

6.2 - 9.3 mi

Top 91%
Γ—3
+67ft-78ft

Overall

26412

Females

10969

F18-39

10969

15K→20K

9.3 - 12.4 mi

Top 89%
Γ—5
+106ft-86ft

Overall

25819

Females

10645

F18-39

10645

20K→HALF

12.4 - 13.1 mi

Top 91%
Γ—2
+19ft-37ft

Overall

26511

Females

11061

F18-39

11061

HALF→25K

13.1 - 15.5 mi

Top 89%
Γ—4
+66ft-88ft

Overall

25853

Females

10709

F18-39

10709

25K→30K

15.5 - 18.6 mi

Top 85%
Γ—9
+181ft-148ft

Overall

24776

Females

10258

F18-39

10258

30K→20M

18.6 - 20.0 mi

Top 84%
Γ—5
+64ft-50ft

Overall

24306

Females

10078

F18-39

10078

20M→21M

20.0 - 21.0 mi

Top 78%
Γ—8
+106ft-24ft

Overall

22767

Females

9296

F18-39

9296

21M→35K

21.0 - 21.8 mi

Top 83%
Γ—7
+17ft-86ft

Overall

23943

Females

9965

F18-39

9965

35K→23M

21.8 - 23.0 mi

Top 87%
Γ—5
+23ft-63ft

Overall

25117

Females

10631

F18-39

10631

23M→24M

23.0 - 24.0 mi

Top 84%
Γ—6
+12ft-82ft

Overall

24308

Females

10246

F18-39

10246

24M→40K

24.0 - 24.9 mi

Top 82%
Γ—1
+6ft-20ft

Overall

23887

Females

10076

F18-39

10076

40K→25.2M

24.9 - 25.2 mi

Top 80%
Γ—1
+13ft-16ft

Overall

23160

Females

9707

F18-39

9707

25.2M→FINISH

25.2 - 26.2 mi

Top 82%
Γ—2
+22ft-21ft

Overall

23929

Females

10081

F18-39

10081

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2231
Passed By
184
Net Change
+2047
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27643
5K β†’ 10K36641+325#27643#27318
10K β†’ 15K35217+335#27318#26983
15K β†’ 20K3189+309#26983#26674
20K β†’ HALF3310+23#26674#26651
HALF β†’ 25K14917+132#26651#26519
25K β†’ 30K29312+281#26519#26238
30K β†’ 20M1514+147#26238#26091
20M β†’ 21M1650+165#26091#25926
21M β†’ 35K762+74#25926#25852
35K β†’ 23M6143+18#25852#25834
23M β†’ 24M719+62#25834#25772
24M β†’ 40K8710+77#25772#25695
40K β†’ 25.2M415+36#25695#25659
25.2M β†’ FINISH685+63#25659#25596
TOTALS2231184+2047
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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing