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BOSTON MARATHON 2026

Kathryn Selig

Bib: 27945•F

MA

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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
31:32
3.11 mi
Rank: #26363
Start → 5K
31:32 | 10:09/mi
10K
1:03:21
6.21 mi
Rank: #26373 (-10)
5K → 10K
31:49 | 10:15/mi
15K
1:35:00
9.32 mi
Rank: #26273 (+100)
10K → 15K
31:39 | 10:12/mi
20K
2:09:07
12.43 mi
Rank: #26469 (-196)
15K → 20K
34:07 | 10:59/mi
HALF
2:15:53
13.11 mi
Rank: #26438 (+31)
20K → HALF
6:46 | 9:56/mi
25K
2:41:11
15.53 mi
Rank: #26265 (+173)
HALF → 25K
25:18 | 10:26/mi
30K
3:15:13
18.64 mi
Rank: #26072 (+193)
25K → 30K
34:02 | 10:58/mi
20M
3:29:49
20.00 mi
Rank: #25947 (+125)
30K → 20M
14:36 | 10:45/mi
21M
3:41:19
21.00 mi
Rank: #25835 (+112)
20M → 21M
11:30 | 11:30/mi
35K
3:49:18
21.75 mi
Rank: #25793 (+42)
21M → 35K
7:59 | 10:41/mi
23M
4:02:45
23.00 mi
Rank: #25695 (+98)
35K → 23M
13:27 | 10:45/mi
24M
4:13:28
24.00 mi
Rank: #25658 (+37)
23M → 24M
10:43 | 10:43/mi
40K
4:22:28
24.85 mi
Rank: #25559 (+99)
24M → 40K
9:00 | 10:32/mi
25.2M
4:26:15
25.20 mi
Rank: #25515 (+44)
40K → 25.2M
3:47 | 10:59/mi
FINISH
4:36:04
26.22 mi
Rank: #25404 (+111)
25.2M → FINISH
9:49 | 9:38/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:15:53
Pace10:22 /mi
2nd Half
Distance13.11 mi
Time2:20:11
Pace10:42 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:4631:3210:0931:32
10:09
-
10K
6.21 mi12:32:351:03:2110:1231:49
10:15
+0:06
15K
9.32 mi13:04:141:35:0010:1231:39
10:12
-0:03
20K
12.43 mi13:38:212:09:0710:2434:07
10:59
+0:47
HALF
13.11 mi13:45:072:15:5310:226:46
9:56
-1:03
25K
15.53 mi14:10:252:41:1110:2325:18
10:26
+0:30
30K
18.64 mi14:44:273:15:1310:2934:02
10:58
+0:32
20M
20.00 mi14:59:033:29:4910:3014:36
10:45
-0:13
21M
21.00 mi15:10:333:41:1910:3311:30
11:30
+0:45
35K
21.75 mi15:18:323:49:1810:337:59
10:41
-0:49
23M
23.00 mi15:31:594:02:4510:3413:27
10:45
+0:04
24M
24.00 mi15:42:424:13:2810:3410:43
10:43
-0:02
40K
24.85 mi15:51:424:22:2810:349:00
10:32
-0:11
25.2M
25.20 mi15:55:294:26:1510:343:47
10:59
+0:27
FINISH
26.22 mi16:05:184:36:0410:339:49
9:38
-1:21

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

9:38 /mi

Average Pace

10:32 /mi

Slowest Pace

11:30 /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

2:25:53

53% of race

Time at Steady Pace

1:58:41

43% of race

Time at Slower Pace

11:30

4% of race

Average Pace: 10:32 /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 mi12:00:4631:3210:0931:32
10:09
#26363
10K
6.21 mi12:32:351:03:2110:1231:49
10:15
#26373
15K
9.32 mi13:04:141:35:0010:1231:39
10:12
#26273
20K
12.43 mi13:38:212:09:0710:2434:07
10:59
#26469
HALF
13.11 mi13:45:072:15:5310:226:46
9:56
#26438
25K
15.53 mi14:10:252:41:1110:2325:18
10:26
#26265
30K
18.64 mi14:44:273:15:1310:2934:02
10:58
#26072
20M
20.00 mi14:59:033:29:4910:3014:36
10:45
#25947
21M
21.00 mi15:10:333:41:1910:3311:30
11:30
#25835
35K
21.75 mi15:18:323:49:1810:337:59
10:41
#25793
23M
23.00 mi15:31:594:02:4510:3413:27
10:45
#25695
24M
24.00 mi15:42:424:13:2810:3410:43
10:43
#25658
40K
24.85 mi15:51:424:22:2810:349:00
10:32
#25559
25.2M
25.20 mi15:55:294:26:1510:343:47
10:59
#25515
FINISH
26.22 mi16:05:184:36:0410:339:49
9:38
#25404
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 mi26363108981089826118(Top 90%)10796(Top 86%)10796(Top 189%)
10K6.21 mi3.10 mi26373-1010914-1610914-1626408(Top 91%)10957(Top 87%)10957(Top 192%)
15K9.32 mi3.11 mi26273+10010876+3810876+3826118(Top 90%)10796(Top 86%)10796(Top 189%)
20K12.43 mi3.11 mi26469-19610996-12010996-12026942(Top 93%)11283(Top 90%)11283(Top 197%)
HALF13.11 mi0.68 mi26438+3110979+1710979+1725526(Top 88%)10507(Top 84%)10507(Top 184%)
25K15.53 mi2.42 mi26265+17310889+9010889+9025319(Top 87%)10415(Top 83%)10415(Top 182%)
30K18.64 mi3.11 mi26072+19310806+8310806+8325261(Top 87%)10501(Top 83%)10501(Top 184%)
20M20.00 mi1.36 mi25947+12510746+6010746+6024405(Top 84%)10132(Top 81%)10132(Top 177%)
21M21.00 mi1.00 mi25835+11210709+3710709+3724201(Top 83%)10103(Top 80%)10103(Top 177%)
35K21.75 mi0.75 mi25793+4210696+1310696+1324665(Top 85%)10344(Top 82%)10344(Top 181%)
23M23.00 mi1.25 mi25695+9810660+3610660+3623946(Top 83%)10028(Top 80%)10028(Top 175%)
24M24.00 mi1.00 mi25658+3710652+810652+824554(Top 85%)10374(Top 82%)10374(Top 181%)
40K24.85 mi0.85 mi25559+9910617+3510617+3523293(Top 80%)9777(Top 78%)9777(Top 171%)
25.2M25.20 mi0.35 mi25515+4410601+1610601+1622363(Top 77%)9282(Top 74%)9282(Top 162%)
FINISH26.22 mi1.02 mi25404+11110547+5410547+5422802(Top 79%)9503(Top 76%)9503(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21
+97ft-345ft

Overall

26118

Females

10796

F18-39

10796

5K→10K

3.1 - 6.2 mi

Top 91%
×5
+79ft-138ft

Overall

26408

Females

10957

F18-39

10957

10K→15K

6.2 - 9.3 mi

Top 90%
×3
+67ft-78ft

Overall

26118

Females

10796

F18-39

10796

15K→20K

9.3 - 12.4 mi

Top 93%
×5
+106ft-86ft

Overall

26942

Females

11283

F18-39

11283

20K→HALF

12.4 - 13.1 mi

Top 88%
×2
+19ft-37ft

Overall

25526

Females

10507

F18-39

10507

HALF→25K

13.1 - 15.5 mi

Top 87%
×4
+66ft-88ft

Overall

25319

Females

10415

F18-39

10415

25K→30K

15.5 - 18.6 mi

Top 87%
×9
+181ft-148ft

Overall

25261

Females

10501

F18-39

10501

30K→20M

18.6 - 20.0 mi

Top 84%
×5
+64ft-50ft

Overall

24405

Females

10132

F18-39

10132

20M→21M

20.0 - 21.0 mi

Top 83%
×8
+106ft-24ft

Overall

24201

Females

10103

F18-39

10103

21M→35K

21.0 - 21.8 mi

Top 85%
×7
+17ft-86ft

Overall

24665

Females

10344

F18-39

10344

35K→23M

21.8 - 23.0 mi

Top 83%
×5
+23ft-63ft

Overall

23946

Females

10028

F18-39

10028

23M→24M

23.0 - 24.0 mi

Top 85%
×6
+12ft-82ft

Overall

24554

Females

10374

F18-39

10374

24M→40K

24.0 - 24.9 mi

Top 80%
×1
+6ft-20ft

Overall

23293

Females

9777

F18-39

9777

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1
+13ft-16ft

Overall

22363

Females

9282

F18-39

9282

25.2M→FINISH

25.2 - 26.2 mi

Top 79%
×2
+22ft-21ft

Overall

22802

Females

9503

F18-39

9503

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1622*
Passed By
611
Net Change
+959
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26363
5K → 10K185195-10#26363#26373
10K → 15K17878+100#26373#26273
15K → 20K56200-196#26273#26469
20K → HALF376+31#26469#26438
HALF → 25K18613+173#26438#26265
25K → 30K218*25+193#26265#26072
30K → 20M1349+125#26072#25947
20M → 21M12816+112#25947#25835
21M → 35K5917+42#25835#25793
35K → 23M1046+98#25793#25695
23M → 24M6730+37#25695#25658
24M → 40K1045+99#25658#25559
40K → 25.2M451+44#25559#25515
25.2M → FINISH12110+111#25515#25404
TOTALS1622*611+959

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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