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BOSTON MARATHON 2026

Beth Glavin

Bib: 15661•F

MA

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0:00
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
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
25:32
3.11 mi
Rank: #18339
Start → 5K
25:32 | 8:14/mi
10K
51:03
6.21 mi
Rank: #18496 (-157)
5K → 10K
25:31 | 8:13/mi
15K
1:16:32
9.32 mi
Rank: #18461 (+35)
10K → 15K
25:29 | 8:13/mi
20K
1:41:34
12.43 mi
Rank: #17994 (+467)
15K → 20K
25:02 | 8:04/mi
HALF
1:47:00
13.11 mi
Rank: #17938 (+56)
20K → HALF
5:26 | 7:59/mi
25K
2:06:26
15.53 mi
Rank: #17566 (+372)
HALF → 25K
19:26 | 8:01/mi
30K
2:32:00
18.64 mi
Rank: #17060 (+506)
25K → 30K
25:34 | 8:14/mi
20M
2:43:25
20.00 mi
Rank: #16950 (+110)
30K → 20M
11:25 | 8:25/mi
21M
2:52:44
21.00 mi
Rank: #16970 (-20)
20M → 21M
9:19 | 9:19/mi
35K
2:58:57
21.75 mi
Rank: #16935 (+35)
21M → 35K
6:13 | 8:19/mi
23M
3:09:42
23.00 mi
Rank: #16868 (+67)
35K → 23M
10:45 | 8:36/mi
24M
3:18:02
24.00 mi
Rank: #16813 (+55)
23M → 24M
8:20 | 8:20/mi
40K
3:25:41
24.85 mi
Rank: #16862 (-49)
24M → 40K
7:39 | 8:57/mi
25.2M
3:28:51
25.20 mi
Rank: #16822 (+40)
40K → 25.2M
3:10 | 9:11/mi
FINISH
3:37:17
26.22 mi
Rank: #16805 (+17)
25.2M → FINISH
8:26 | 8:17/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:00
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:50:17
Pace8:25 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3025:328:1425:32
8:14
-
10K
6.21 mi11:23:0151:038:1325:31
8:13
-0:01
15K
9.32 mi11:48:301:16:328:1325:29
8:13
0:00
20K
12.43 mi12:13:321:41:348:1125:02
8:04
-0:09
HALF
13.11 mi12:18:581:47:008:105:26
7:59
-0:05
25K
15.53 mi12:38:242:06:268:0919:26
8:01
+0:02
30K
18.64 mi13:03:582:32:008:1025:34
8:14
+0:13
20M
20.00 mi13:15:232:43:258:1111:25
8:25
+0:11
21M
21.00 mi13:24:422:52:448:149:19
9:19
+0:54
35K
21.75 mi13:30:552:58:578:146:13
8:19
-1:00
23M
23.00 mi13:41:403:09:428:1510:45
8:36
+0:17
24M
24.00 mi13:50:003:18:028:168:20
8:20
-0:16
40K
24.85 mi13:57:393:25:418:177:39
8:57
+0:37
25.2M
25.20 mi14:00:493:28:518:183:10
9:11
+0:14
FINISH
26.22 mi14:09:153:37:178:188:26
8:17
-0:54

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

7:59 /mi

Average Pace

8:18 /mi

Slowest Pace

9:19 /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

3:17:09

91% of race

Time at Steady Pace

20:08

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:17 /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 mi10:57:3025:328:1425:32
8:14
#18339
10K
6.21 mi11:23:0151:038:1325:31
8:13
#18496
15K
9.32 mi11:48:301:16:328:1325:29
8:13
#18461
20K
12.43 mi12:13:321:41:348:1125:02
8:04
#17994
HALF
13.11 mi12:18:581:47:008:105:26
7:59
#17938
25K
15.53 mi12:38:242:06:268:0919:26
8:01
#17566
30K
18.64 mi13:03:582:32:008:1025:34
8:14
#17060
20M
20.00 mi13:15:232:43:258:1111:25
8:25
#16950
21M
21.00 mi13:24:422:52:448:149:19
9:19
#16970
35K
21.75 mi13:30:552:58:578:146:13
8:19
#16935
23M
23.00 mi13:41:403:09:428:1510:45
8:36
#16868
24M
24.00 mi13:50:003:18:028:168:20
8:20
#16813
40K
24.85 mi13:57:393:25:418:177:39
8:57
#16862
25.2M
25.20 mi14:00:493:28:518:183:10
9:11
#16822
FINISH
26.22 mi14:09:153:37:178:188:26
8:17
#16805
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 mi183396699669918354(Top 63%)6673(Top 53%)6673(Top 117%)
10K6.21 mi3.10 mi18496-1576770-716770-7118649(Top 64%)6821(Top 54%)6821(Top 119%)
15K9.32 mi3.11 mi18461+356737+336737+3318354(Top 63%)6673(Top 53%)6673(Top 117%)
20K12.43 mi3.11 mi17994+4676488+2496488+24916563(Top 57%)5685(Top 45%)5685(Top 99%)
HALF13.11 mi0.68 mi17938+566452+366452+3616964(Top 58%)5904(Top 47%)5904(Top 103%)
25K15.53 mi2.42 mi17566+3726250+2026250+20215548(Top 54%)5171(Top 41%)5171(Top 90%)
30K18.64 mi3.11 mi17060+5065991+2595991+25915142(Top 52%)5054(Top 40%)5054(Top 88%)
20M20.00 mi1.36 mi16950+1105948+435948+4315636(Top 54%)5446(Top 43%)5446(Top 95%)
21M21.00 mi1.00 mi16970-205977-295977-2917709(Top 61%)6629(Top 53%)6629(Top 116%)
35K21.75 mi0.75 mi16935+355975+25975+216514(Top 57%)6038(Top 48%)6038(Top 106%)
23M23.00 mi1.25 mi16868+675968+75968+716274(Top 56%)5998(Top 48%)5998(Top 105%)
24M24.00 mi1.00 mi16813+555954+145954+1415940(Top 55%)5869(Top 47%)5869(Top 103%)
40K24.85 mi0.85 mi16862-496001-476001-4718148(Top 63%)7118(Top 57%)7118(Top 125%)
25.2M25.20 mi0.35 mi16822+405986+155986+1515767(Top 54%)5840(Top 46%)5840(Top 102%)
FINISH26.22 mi1.02 mi16805+176001-156001-1516895(Top 58%)6445(Top 51%)6445(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21
+97ft-345ft

Overall

18354

Females

6673

F18-39

6673

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18649

Females

6821

F18-39

6821

10K→15K

6.2 - 9.3 mi

Top 63%
×3
+67ft-78ft

Overall

18354

Females

6673

F18-39

6673

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16563

Females

5685

F18-39

5685

20K→HALF

12.4 - 13.1 mi

Top 58%
×2
+19ft-37ft

Overall

16964

Females

5904

F18-39

5904

HALF→25K

13.1 - 15.5 mi

Top 54%
×4
+66ft-88ft

Overall

15548

Females

5171

F18-39

5171

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

15142

Females

5054

F18-39

5054

30K→20M

18.6 - 20.0 mi

Top 54%
×5
+64ft-50ft

Overall

15636

Females

5446

F18-39

5446

20M→21M

20.0 - 21.0 mi

Top 61%
×8
+106ft-24ft

Overall

17709

Females

6629

F18-39

6629

21M→35K

21.0 - 21.8 mi

Top 57%
×7
+17ft-86ft

Overall

16514

Females

6038

F18-39

6038

35K→23M

21.8 - 23.0 mi

Top 56%
×5
+23ft-63ft

Overall

16274

Females

5998

F18-39

5998

23M→24M

23.0 - 24.0 mi

Top 55%
×6
+12ft-82ft

Overall

15940

Females

5869

F18-39

5869

24M→40K

24.0 - 24.9 mi

Top 63%
×1
+6ft-20ft

Overall

18148

Females

7118

F18-39

7118

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1
+13ft-16ft

Overall

15767

Females

5840

F18-39

5840

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16895

Females

6445

F18-39

6445

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2551
Passed By
1017
Net Change
+1534
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18339
5K → 10K207364-157#18339#18496
10K → 15K197162+35#18496#18461
15K → 20K48215+467#18461#17994
20K → HALF7115+56#17994#17938
HALF → 25K3797+372#17938#17566
25K → 30K52115+506#17566#17060
30K → 20M13929+110#17060#16950
20M → 21M89109-20#16950#16970
21M → 35K6833+35#16970#16935
35K → 23M13164+67#16935#16868
23M → 24M10045+55#16868#16813
24M → 40K4594-49#16813#16862
40K → 25.2M5515+40#16862#16822
25.2M → FINISH6750+17#16822#16805
TOTALS25511017+1534
📊

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