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BOSTON MARATHON 2025

Elizabeth Glass

Bib: 18044•F

OH

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0:00
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Division (F18-39)
#0 / 5469
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:51
Rank: #10912
Start → 5K
22:51 | 7:21/mi
10K· 6.21 mi
45:38
Rank: #10728 (+184)
5K → 10K
22:47 | 7:20/mi
15K· 9.32 mi
1:08:55
Rank: #11009 (-281)
10K → 15K
23:17 | 7:30/mi
20K· 12.43 mi
1:32:49
Rank: #11393 (-384)
15K → 20K
23:54 | 7:42/mi
Half· 13.11 mi
1:37:59
Rank: #11428 (-35)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:56:51
Rank: #11518 (-90)
Half → 25K
18:52 | 7:47/mi
30K· 18.64 mi
2:22:11
Rank: #11658 (-140)
25K → 30K
25:20 | 8:09/mi
20M
2:33:21
Rank: #11615 (+43)
30K → 20M
11:10 | 8:13/mi
21M
2:42:06
Rank: #11640 (-25)
20M → 21M
8:45 | 8:45/mi
35K· 21.75 mi
2:48:11
Rank: #11690 (-50)
21M → 35K
6:05 | 8:08/mi
23M
2:58:46
Rank: #11742 (-52)
35K → 23M
10:35 | 8:27/mi
24M
3:06:55
Rank: #11759 (-17)
23M → 24M
8:09 | 8:09/mi
40K· 24.85 mi
3:13:51
Rank: #11678 (+81)
24M → 40K
6:56 | 8:07/mi
25.2M
3:16:51
Rank: #11646 (+32)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:24:20
Rank: #11453 (+193)
25.2M → Finish
7:29 | 7:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:59
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:46:21
Pace8:07 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2322:517:2122:51
7:21
-
10K
6.21 mi11:36:1045:387:2122:47
7:20
-0:01
15K
9.32 mi11:59:271:08:557:2423:17
7:30
+0:10
20K
12.43 mi12:23:211:32:497:2823:54
7:42
+0:12
Half
13.11 mi12:28:311:37:597:285:10
7:34
-0:08
25K
15.53 mi12:47:231:56:517:3118:52
7:47
+0:13
30K
18.64 mi13:12:432:22:117:3825:20
8:09
+0:22
20M
20.00 mi13:23:532:33:217:4011:10
8:13
+0:04
21M
21.00 mi13:32:382:42:067:438:45
8:45
+0:32
35K
21.75 mi13:38:432:48:117:446:05
8:08
-0:37
23M
23.00 mi13:49:182:58:467:4610:35
8:27
+0:19
24M
24.00 mi13:57:273:06:557:478:09
8:09
-0:18
40K
24.85 mi14:04:233:13:517:486:56
8:07
-0:02
25.2M
25.20 mi14:07:233:16:517:493:00
8:42
+0:35
Finish
26.22 mi14:14:523:24:207:487:29
7:21
-1:21

Checkpoints & Pacing

📈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

7:20 /mi

Average Pace

7:48 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:20

61% of race

Time at Steady Pace

1:08:15

33% of race

Time at Slower Pace

11:45

6% of race

Average Pace: 7:48 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:13:2322:517:2122:51
7:21
#10912
10K
6.21 mi11:36:1045:387:2122:47
7:20
#10728
15K
9.32 mi11:59:271:08:557:2423:17
7:30
#11009
20K
12.43 mi12:23:211:32:497:2823:54
7:42
#11393
Half
13.11 mi12:28:311:37:597:285:10
7:34
#11428
25K
15.53 mi12:47:231:56:517:3118:52
7:47
#11518
30K
18.64 mi13:12:432:22:117:3825:20
8:09
#11658
20M
20.00 mi13:23:532:33:217:4011:10
8:13
#11615
21M
21.00 mi13:32:382:42:067:438:45
8:45
#11640
35K
21.75 mi13:38:432:48:117:446:05
8:08
#11690
23M
23.00 mi13:49:182:58:467:4610:35
8:27
#11742
24M
24.00 mi13:57:273:06:557:478:09
8:09
#11759
40K
24.85 mi14:04:233:13:517:486:56
8:07
#11678
25.2M
25.20 mi14:07:233:16:517:493:00
8:42
#11646
Finish
26.22 mi14:14:523:24:207:487:29
7:21
#11453
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109122241224111741(Top 41%)2762(Top 23%)2762(Top 51%)
10K6.21 mi3.10 mi10728+1842173+682173+6810622(Top 37%)2124(Top 17%)2124(Top 39%)
15K9.32 mi3.11 mi11009-2812325-1522325-15211741(Top 41%)2762(Top 23%)2762(Top 51%)
20K12.43 mi3.11 mi11393-3842551-2262551-22612353(Top 43%)3195(Top 26%)3195(Top 58%)
Half13.11 mi0.68 mi11428-352572-212572-2112395(Top 44%)3162(Top 26%)3162(Top 58%)
25K15.53 mi2.42 mi11518-902661-892661-8912196(Top 43%)3217(Top 26%)3217(Top 59%)
30K18.64 mi3.11 mi11658-1402815-1542815-15412485(Top 44%)3552(Top 29%)3552(Top 65%)
20M20.00 mi1.36 mi11615+432830-152830-1511920(Top 42%)3396(Top 28%)3396(Top 62%)
21M21.00 mi1.00 mi11640-252885-552885-5511996(Top 42%)3589(Top 29%)3589(Top 66%)
35K21.75 mi0.75 mi11690-502929-442929-4413149(Top 46%)4233(Top 35%)4233(Top 77%)
23M23.00 mi1.25 mi11742-523003-743003-7413016(Top 46%)4273(Top 35%)4273(Top 78%)
24M24.00 mi1.00 mi11759-173055-523055-5212250(Top 43%)3920(Top 32%)3920(Top 72%)
40K24.85 mi0.85 mi11678+813037+183037+1810966(Top 39%)3383(Top 28%)3383(Top 62%)
25.2M25.20 mi0.35 mi11646+323033+43033+410071(Top 35%)3058(Top 25%)3058(Top 56%)
Finish26.22 mi1.02 mi11453+1932982+512982+518114(Top 29%)2122(Top 17%)2122(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

11741

Females

2762

F18-39

2762

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10622

Females

2124

F18-39

2124

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

11741

Females

2762

F18-39

2762

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

12353

Females

3195

F18-39

3195

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12395

Females

3162

F18-39

3162

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12196

Females

3217

F18-39

3217

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12485

Females

3552

F18-39

3552

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11920

Females

3396

F18-39

3396

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11996

Females

3589

F18-39

3589

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13149

Females

4233

F18-39

4233

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13016

Females

4273

F18-39

4273

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

12250

Females

3920

F18-39

3920

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10966

Females

3383

F18-39

3383

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10071

Females

3058

F18-39

3058

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8114

Females

2122

F18-39

2122

Passing Analysis

Category:
Athletes Passed
1695
Passed By
2236
Net Change
-541
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10912
5K → 10K366182+184#10912#10728
10K → 15K89370-281#10728#11009
15K → 20K84468-384#11009#11393
20K → Half2257-35#11393#11428
Half → 25K135225-90#11428#11518
25K → 30K183323-140#11518#11658
30K → 20M13895+43#11658#11615
20M → 21M95120-25#11615#11640
21M → 35K4393-50#11640#11690
35K → 23M94146-52#11690#11742
23M → 24M7491-17#11742#11759
24M → 40K11938+81#11759#11678
40K → 25.2M4614+32#11678#11646
25.2M → Finish20714+193#11646#11453
TOTALS16952236-541
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing