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BOSTON MARATHON 2025

Glynn Connolly

Bib: 19723•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Masters (Masters Women)
#0 / 6759
Top 17%
Division (F40-44)
#0 / 1718
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:41/mi
23:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:41/mi
47:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:11:24
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:35:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:40:44
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
1:59:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:12/mi
2:25:14
↑ 181↓ 1480.2%
20M
8:21/mi
2:36:35
↑ 64↓ 500.2%
21M
9:04/mi
2:45:39
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
2:51:50
↑ 17↓ 861.7%
23M
8:33/mi
3:02:32
↑ 23↓ 630.6%
24M
8:19/mi
3:10:51
↓ 821.3%
40K· 24.85 mi
8:40/mi
3:18:16
↓ 200.3%
25.2M
9:17/mi
3:21:28
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:29:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:44
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:49:01
Pace8:19 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1923:527:4123:52
7:41
-
10K
6.21 mi11:39:1247:457:4123:53
7:41
0:00
15K
9.32 mi12:02:511:11:247:4023:39
7:37
-0:04
20K
12.43 mi12:27:041:35:377:4224:13
7:48
+0:11
Half
13.11 mi12:32:111:40:447:415:07
7:30
-0:18
25K
15.53 mi12:51:111:59:447:4219:00
7:50
+0:20
30K
18.64 mi13:16:412:25:147:4725:30
8:12
+0:22
20M
20.00 mi13:28:022:36:357:5011:21
8:21
+0:09
21M
21.00 mi13:37:062:45:397:539:04
9:04
+0:43
35K
21.75 mi13:43:172:51:507:546:11
8:16
-0:48
23M
23.00 mi13:53:593:02:327:5610:42
8:33
+0:17
24M
24.00 mi14:02:183:10:517:578:19
8:19
-0:14
40K
24.85 mi14:09:433:18:167:597:25
8:40
+0:21
25.2M
25.20 mi14:12:553:21:288:003:12
9:17
+0:37
Finish
26.22 mi14:21:123:29:458:008:17
8:08
-1:09

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

7:30 /mi

Average Pace

8:00 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:44

57% of race

Time at Steady Pace

59:38

28% of race

Time at Slower Pace

30:23

14% of race

Average Pace: 8:00 /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 mi11:15:1923:527:4123:52
7:41
#13822
10K
6.21 mi11:39:1247:457:4123:53
7:41
#13796
15K
9.32 mi12:02:511:11:247:4023:39
7:37
#13411
20K
12.43 mi12:27:041:35:377:4224:13
7:48
#13307
Half
13.11 mi12:32:111:40:447:415:07
7:30
#13221
25K
15.53 mi12:51:111:59:447:4219:00
7:50
#13085
30K
18.64 mi13:16:412:25:147:4725:30
8:12
#13007
20M
20.00 mi13:28:022:36:357:5011:21
8:21
#12975
21M
21.00 mi13:37:062:45:397:539:04
9:04
#12982
35K
21.75 mi13:43:172:51:507:546:11
8:16
#13026
23M
23.00 mi13:53:593:02:327:5610:42
8:33
#13053
24M
24.00 mi14:02:183:10:517:578:19
8:19
#13045
40K
24.85 mi14:09:433:18:167:597:25
8:40
#13093
25.2M
25.20 mi14:12:553:21:288:003:12
9:17
#13096
Finish
26.22 mi14:21:123:29:458:008:17
8:08
#13145
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi138223789378912715(Top 45%)3287(Top 27%)3287(Top 191%)
10K6.21 mi3.10 mi13796+263822-333822-3313775(Top 48%)3818(Top 31%)3818(Top 222%)
15K9.32 mi3.11 mi13411+3853632+1903632+19012715(Top 45%)3287(Top 27%)3287(Top 191%)
20K12.43 mi3.11 mi13307+1043609+233609+2313233(Top 47%)3672(Top 30%)3672(Top 214%)
Half13.11 mi0.68 mi13221+863570+393570+3911786(Top 41%)2825(Top 23%)2825(Top 164%)
25K15.53 mi2.42 mi13085+1363528+423528+4212643(Top 45%)3467(Top 28%)3467(Top 202%)
30K18.64 mi3.11 mi13007+783556-283556-2812887(Top 45%)3765(Top 31%)3765(Top 219%)
20M20.00 mi1.36 mi12975+323562-63562-612854(Top 45%)3883(Top 32%)3883(Top 226%)
21M21.00 mi1.00 mi12982-73603-413603-4113900(Top 49%)4569(Top 37%)4569(Top 266%)
35K21.75 mi0.75 mi13026-443637-343637-3414047(Top 49%)4683(Top 38%)4683(Top 273%)
23M23.00 mi1.25 mi13053-273701-643701-6413594(Top 48%)4578(Top 37%)4578(Top 266%)
24M24.00 mi1.00 mi13045+83728-273728-2713378(Top 47%)4499(Top 37%)4499(Top 262%)
40K24.85 mi0.85 mi13093-483783-553783-5514474(Top 51%)5219(Top 43%)5219(Top 304%)
25.2M25.20 mi0.35 mi13096-33794-113794-1113368(Top 47%)4677(Top 38%)4677(Top 272%)
Finish26.22 mi1.02 mi13145-493843-493843-4913800(Top 49%)4846(Top 40%)4846(Top 282%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12715

Females

3287

F40-44

3287

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13775

Females

3818

F40-44

3818

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12715

Females

3287

F40-44

3287

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13233

Females

3672

F40-44

3672

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11786

Females

2825

F40-44

2825

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12643

Females

3467

F40-44

3467

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12887

Females

3765

F40-44

3765

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12854

Females

3883

F40-44

3883

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13900

Females

4569

F40-44

4569

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

14047

Females

4683

F40-44

4683

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13594

Females

4578

F40-44

4578

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

13378

Females

4499

F40-44

4499

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14474

Females

5219

F40-44

5219

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13368

Females

4677

F40-44

4677

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13800

Females

4846

F40-44

4846

Passing Analysis

Category:
Athletes Passed
2156
Passed By
1479
Net Change
+677
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13822
5K → 10K292266+26#13822#13796
10K → 15K43651+385#13796#13411
15K → 20K242138+104#13411#13307
20K → Half926+86#13307#13221
Half → 25K22286+136#13221#13085
25K → 30K286208+78#13085#13007
30K → 20M13098+32#13007#12975
20M → 21M104111-7#12975#12982
21M → 35K4286-44#12982#13026
35K → 23M102129-27#13026#13053
23M → 24M7567+8#13053#13045
24M → 40K60108-48#13045#13093
40K → 25.2M3033-3#13093#13096
25.2M → Finish4392-49#13096#13145
TOTALS21561479+677
📊

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