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BOSTON MARATHON 2025

Adrianne Glazer

Bib: 13990•F

CO

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:43
Rank: #13400
Start → 5K
7:38/mi
23:43 split
10K· 6.21 mi
47:12
Rank: #13017 (+383)
5K → 10K
7:34/mi
23:29 split
15K· 9.32 mi
1:10:36
Rank: #12633 (+384)
10K → 15K
7:32/mi
23:24 split
20K· 12.43 mi
1:34:39
Rank: #12635 (-2)
15K → 20K
7:44/mi
24:03 split
Half· 13.11 mi
1:39:48
Rank: #12604 (+31)
20K → Half
7:33/mi
5:09 split
25K· 15.53 mi
2:04:02
Rank: #15429 (-2825)
Half → 25K
10:00/mi
24:14 split
30K· 18.64 mi
2:30:35
Rank: #15352 (+77)
25K → 30K
8:33/mi
26:33 split
20M
2:41:38
Rank: #15001 (+351)
30K → 20M
8:08/mi
11:03 split
21M
2:51:24
Rank: #15122 (-121)
20M → 21M
9:46/mi
9:46 split
35K· 21.75 mi
2:57:25
Rank: #15009 (+113)
21M → 35K
8:03/mi
6:01 split
23M
3:08:38
Rank: #15034 (-25)
35K → 23M
8:58/mi
11:13 split
24M
3:17:05
Rank: #14965 (+69)
23M → 24M
8:27/mi
8:27 split
40K· 24.85 mi
3:24:49
Rank: #15045 (-80)
24M → 40K
9:03/mi
7:44 split
25.2M
3:28:38
Rank: #15170 (-125)
40K → 25.2M
11:04/mi
3:49 split
Finish· 26.22 mi
3:37:05
Rank: #15152 (+18)
25.2M → Finish
8:18/mi
8:27 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:48
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:57:17
Pace8:57 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0323:437:3823:43
7:38
-
10K
6.21 mi11:16:3247:127:3623:29
7:34
-0:04
15K
9.32 mi11:39:561:10:367:3423:24
7:32
-0:02
20K
12.43 mi12:03:591:34:397:3724:03
7:44
+0:12
Half
13.11 mi12:09:081:39:487:375:09
7:33
-0:11
25K
15.53 mi12:33:222:04:027:5924:14
10:00
+2:27
30K
18.64 mi12:59:552:30:358:0526:33
8:33
-1:27
20M
20.00 mi13:10:582:41:388:0511:03
8:08
-0:25
21M
21.00 mi13:20:442:51:248:109:46
9:46
+1:38
35K
21.75 mi13:26:452:57:258:096:01
8:03
-1:43
23M
23.00 mi13:37:583:08:388:1211:13
8:58
+0:55
24M
24.00 mi13:46:253:17:058:138:27
8:27
-0:31
40K
24.85 mi13:54:093:24:498:147:44
9:03
+0:36
25.2M
25.20 mi13:57:583:28:388:173:49
11:04
+2:01
Finish
26.22 mi14:06:253:37:058:178:27
8:18
-2:46

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

7:32 /mi

Average Pace

8:17 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:48

46% of race

Time at Steady Pace

1:00:31

28% of race

Time at Slower Pace

56:46

26% 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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:53:0323:437:3823:43
7:38
#13400
10K
6.21 mi11:16:3247:127:3623:29
7:34
#13017
15K
9.32 mi11:39:561:10:367:3423:24
7:32
#12633
20K
12.43 mi12:03:591:34:397:3724:03
7:44
#12635
Half
13.11 mi12:09:081:39:487:375:09
7:33
#12604
25K
15.53 mi12:33:222:04:027:5924:14
10:00
#15429
30K
18.64 mi12:59:552:30:358:0526:33
8:33
#15352
20M
20.00 mi13:10:582:41:388:0511:03
8:08
#15001
21M
21.00 mi13:20:442:51:248:109:46
9:46
#15122
35K
21.75 mi13:26:452:57:258:096:01
8:03
#15009
23M
23.00 mi13:37:583:08:388:1211:13
8:58
#15034
24M
24.00 mi13:46:253:17:058:138:27
8:27
#14965
40K
24.85 mi13:54:093:24:498:147:44
9:03
#15045
25.2M
25.20 mi13:57:583:28:388:173:49
11:04
#15170
Finish
26.22 mi14:06:253:37:058:178:27
8:18
#15152
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi134003550355012064(Top 42%)2940(Top 24%)2940(Top 54%)
10K6.21 mi3.10 mi13017+3833350+2003350+20012669(Top 45%)3187(Top 26%)3187(Top 58%)
15K9.32 mi3.11 mi12633+3843174+1763174+17612064(Top 42%)2940(Top 24%)2940(Top 54%)
20K12.43 mi3.11 mi12635-23227-533227-5312786(Top 45%)3435(Top 28%)3435(Top 63%)
Half13.11 mi0.68 mi12604+313212+153212+1512240(Top 43%)3101(Top 25%)3101(Top 57%)
25K15.53 mi2.42 mi15429-28254850-16384850-163823249(Top 82%)9331(Top 76%)9331(Top 171%)
30K18.64 mi3.11 mi15352+774857-74857-715062(Top 53%)4937(Top 40%)4937(Top 90%)
20M20.00 mi1.36 mi15001+3514702+1554702+15511388(Top 40%)3142(Top 26%)3142(Top 57%)
21M21.00 mi1.00 mi15122-1214795-934795-9317339(Top 61%)6441(Top 53%)6441(Top 118%)
35K21.75 mi0.75 mi15009+1134743+524743+5212600(Top 44%)3963(Top 32%)3963(Top 72%)
23M23.00 mi1.25 mi15034-254785-424785-4216042(Top 56%)5907(Top 48%)5907(Top 108%)
24M24.00 mi1.00 mi14965+694782+34782+314222(Top 50%)4941(Top 40%)4941(Top 90%)
40K24.85 mi0.85 mi15045-804863-814863-8116582(Top 58%)6352(Top 52%)6352(Top 116%)
25.2M25.20 mi0.35 mi15170-1254950-874950-8720860(Top 73%)8574(Top 70%)8574(Top 157%)
Finish26.22 mi1.02 mi15152+184958-84958-814884(Top 52%)5412(Top 44%)5412(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

12064

Females

2940

F18-39

2940

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12669

Females

3187

F18-39

3187

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

12064

Females

2940

F18-39

2940

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12786

Females

3435

F18-39

3435

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

12240

Females

3101

F18-39

3101

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23249

Females

9331

F18-39

9331

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

15062

Females

4937

F18-39

4937

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11388

Females

3142

F18-39

3142

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

17339

Females

6441

F18-39

6441

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12600

Females

3963

F18-39

3963

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

16042

Females

5907

F18-39

5907

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14222

Females

4941

F18-39

4941

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16582

Females

6352

F18-39

6352

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20860

Females

8574

F18-39

8574

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14884

Females

5412

F18-39

5412

Passing Analysis

Category:
Athletes Passed
2379
Passed By
4131
Net Change
-1752
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13400
5K → 10K501118+383#13400#13017
10K → 15K44258+384#13017#12633
15K → 20K195197-2#12633#12635
20K → Half4817+31#12635#12604
Half → 25K92834-2825#12604#15429
25K → 30K279202+77#15429#15352
30K → 20M3554+351#15352#15001
20M → 21M76197-121#15001#15122
21M → 35K12310+113#15122#15009
35K → 23M102127-25#15009#15034
23M → 24M11546+69#15034#14965
24M → 40K41121-80#14965#15045
40K → 25.2M11136-125#15045#15170
25.2M → Finish8264+18#15170#15152
TOTALS23794131-1752
📊

Passing Visuals

Category:
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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