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BOSTON MARATHON 2025

Kristen Glennie

Bib: 9746•F

ME

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Division (F18-39)
#0 / 5469
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:42
Rank: #7711
Start → 5K
21:42 | 6:59/mi
10K· 6.21 mi
43:01
Rank: #7328 (+383)
5K → 10K
21:19 | 6:52/mi
15K· 9.32 mi
1:04:25
Rank: #7173 (+155)
10K → 15K
21:24 | 6:53/mi
20K· 12.43 mi
1:25:51
Rank: #6886 (+287)
15K → 20K
21:26 | 6:54/mi
Half· 13.11 mi
1:30:32
Rank: #6871 (+15)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:47:38
Rank: #6792 (+79)
Half → 25K
17:06 | 7:03/mi
30K· 18.64 mi
2:10:16
Rank: #6585 (+207)
25K → 30K
22:38 | 7:17/mi
20M
2:20:25
Rank: #6514 (+71)
30K → 20M
10:09 | 7:28/mi
21M
2:28:21
Rank: #6470 (+44)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:33:35
Rank: #6384 (+86)
21M → 35K
5:14 | 7:00/mi
23M
2:43:04
Rank: #6350 (+34)
35K → 23M
9:29 | 7:34/mi
24M
2:50:20
Rank: #6301 (+49)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:56:48
Rank: #6283 (+18)
24M → 40K
6:28 | 7:34/mi
25.2M
2:59:40
Rank: #6279 (+4)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:07:09
Rank: #6266 (+13)
25.2M → Finish
7:29 | 7:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:32
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:36:37
Pace7:22 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0621:426:5921:42
6:59
-
10K
6.21 mi11:09:2543:016:5521:19
6:52
-0:07
15K
9.32 mi11:30:491:04:256:5521:24
6:53
+0:01
20K
12.43 mi11:52:151:25:516:5421:26
6:54
+0:01
Half
13.11 mi11:56:561:30:326:544:41
6:52
-0:02
25K
15.53 mi12:14:021:47:386:5617:06
7:03
+0:11
30K
18.64 mi12:36:402:10:166:5922:38
7:17
+0:14
20M
20.00 mi12:46:492:20:257:0110:09
7:28
+0:11
21M
21.00 mi12:54:452:28:217:047:56
7:56
+0:28
35K
21.75 mi12:59:592:33:357:045:14
7:00
-0:56
23M
23.00 mi13:09:282:43:047:059:29
7:34
+0:34
24M
24.00 mi13:16:442:50:207:067:16
7:16
-0:18
40K
24.85 mi13:23:122:56:487:076:28
7:34
+0:18
25.2M
25.20 mi13:26:042:59:407:082:52
8:19
+0:45
Finish
26.22 mi13:33:333:07:097:097:29
7:21
-0:58

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

6:52 /mi

Average Pace

7:09 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:52

60% of race

Time at Steady Pace

47:32

25% of race

Time at Slower Pace

26:45

14% of race

Average Pace: 7:08 /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 mi10:48:0621:426:5921:42
6:59
#7711
10K
6.21 mi11:09:2543:016:5521:19
6:52
#7328
15K
9.32 mi11:30:491:04:256:5521:24
6:53
#7173
20K
12.43 mi11:52:151:25:516:5421:26
6:54
#6886
Half
13.11 mi11:56:561:30:326:544:41
6:52
#6871
25K
15.53 mi12:14:021:47:386:5617:06
7:03
#6792
30K
18.64 mi12:36:402:10:166:5922:38
7:17
#6585
20M
20.00 mi12:46:492:20:257:0110:09
7:28
#6514
21M
21.00 mi12:54:452:28:217:047:56
7:56
#6470
35K
21.75 mi12:59:592:33:357:045:14
7:00
#6384
23M
23.00 mi13:09:282:43:047:059:29
7:34
#6350
24M
24.00 mi13:16:442:50:207:067:16
7:16
#6301
40K
24.85 mi13:23:122:56:487:076:28
7:34
#6283
25.2M
25.20 mi13:26:042:59:407:082:52
8:19
#6279
Finish
26.22 mi13:33:333:07:097:097:29
7:21
#6266
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi77118878876876(Top 24%)700(Top 6%)700(Top 13%)
10K6.21 mi3.10 mi7328+383778+109778+1096975(Top 25%)703(Top 6%)703(Top 13%)
15K9.32 mi3.11 mi7173+155740+38740+386876(Top 24%)700(Top 6%)700(Top 13%)
20K12.43 mi3.11 mi6886+287677+63677+636202(Top 22%)599(Top 5%)599(Top 11%)
Half13.11 mi0.68 mi6871+15680-3680-36731(Top 24%)709(Top 6%)709(Top 13%)
25K15.53 mi2.42 mi6792+79685-5685-56674(Top 23%)775(Top 6%)775(Top 14%)
30K18.64 mi3.11 mi6585+207670+15670+156375(Top 22%)788(Top 6%)788(Top 14%)
20M20.00 mi1.36 mi6514+71681-11681-116819(Top 24%)1080(Top 9%)1080(Top 20%)
21M21.00 mi1.00 mi6470+44686-5686-56999(Top 25%)1297(Top 11%)1297(Top 24%)
35K21.75 mi0.75 mi6384+86682+4682+45362(Top 19%)716(Top 6%)716(Top 13%)
23M23.00 mi1.25 mi6350+34695-13695-137087(Top 25%)1431(Top 12%)1431(Top 26%)
24M24.00 mi1.00 mi6301+49701-6701-66238(Top 22%)1153(Top 9%)1153(Top 21%)
40K24.85 mi0.85 mi6283+18718-17718-177191(Top 25%)1621(Top 13%)1621(Top 30%)
25.2M25.20 mi0.35 mi6279+4729-11729-117738(Top 27%)1927(Top 16%)1927(Top 35%)
Finish26.22 mi1.02 mi6266+13751-22751-228085(Top 28%)2093(Top 17%)2093(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6876

Females

700

F18-39

700

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6975

Females

703

F18-39

703

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6876

Females

700

F18-39

700

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6202

Females

599

F18-39

599

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6731

Females

709

F18-39

709

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6674

Females

775

F18-39

775

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6375

Females

788

F18-39

788

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6819

Females

1080

F18-39

1080

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6999

Females

1297

F18-39

1297

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5362

Females

716

F18-39

716

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7087

Females

1431

F18-39

1431

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6238

Females

1153

F18-39

1153

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7191

Females

1621

F18-39

1621

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7738

Females

1927

F18-39

1927

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

8085

Females

2093

F18-39

2093

Passing Analysis

Category:
Athletes Passed
2095
Passed By
650
Net Change
+1445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7711
5K → 10K43855+383#7711#7328
10K → 15K22368+155#7328#7173
15K → 20K31629+287#7173#6886
20K → Half3621+15#6886#6871
Half → 25K15677+79#6871#6792
25K → 30K28477+207#6792#6585
30K → 20M11948+71#6585#6514
20M → 21M8440+44#6514#6470
21M → 35K959+86#6470#6384
35K → 23M9359+34#6384#6350
23M → 24M8738+49#6350#6301
24M → 40K5941+18#6301#6283
40K → 25.2M3632+4#6283#6279
25.2M → Finish6956+13#6279#6266
TOTALS2095650+1445
📊

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