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BOSTON MARATHON 2025

Jennifer Connell

Bib: 21205•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Masters (Masters Women)
#0 / 6759
Top 15%
Division (F40-44)
#0 / 1718
Top 32%
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
7:49/mi
24:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
48:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:13:07
↑ 67↓ 78
20K· 12.43 mi
7:49/mi
1:37:25
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:42:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:01:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:27:40
↑ 181↓ 1480.2%
20M
8:14/mi
2:38:51
↑ 64↓ 500.2%
21M
8:35/mi
2:47:26
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:53:19
↑ 17↓ 861.7%
23M
7:54/mi
3:03:12
↑ 23↓ 630.6%
24M
7:50/mi
3:11:02
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:17:48
↓ 200.3%
25.2M
8:56/mi
3:20:53
↑ 13↓ 160.2%
Finish· 26.22 mi
7:46/mi
3:28:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:38
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:46:10
Pace8:06 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2524:187:4924:18
7:49
-
10K
6.21 mi11:41:5048:437:5024:25
7:52
+0:03
15K
9.32 mi12:06:141:13:077:5124:24
7:51
-0:01
20K
12.43 mi12:30:321:37:257:5024:18
7:49
-0:02
Half
13.11 mi12:35:451:42:387:505:13
7:39
-0:10
25K
15.53 mi12:54:512:01:447:5019:06
7:53
+0:14
30K
18.64 mi13:20:472:27:407:5525:56
8:21
+0:28
20M
20.00 mi13:31:582:38:517:5711:11
8:14
-0:07
21M
21.00 mi13:40:332:47:267:588:35
8:35
+0:21
35K
21.75 mi13:46:262:53:197:585:53
7:52
-0:43
23M
23.00 mi13:56:193:03:127:589:53
7:54
+0:02
24M
24.00 mi14:04:093:11:027:587:50
7:50
-0:04
40K
24.85 mi14:10:553:17:487:576:46
7:55
+0:05
25.2M
25.20 mi14:14:003:20:537:583:05
8:56
+1:01
Finish
26.22 mi14:21:553:28:487:587:55
7:46
-1:10

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

7:39 /mi

Average Pace

7:58 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:08

94% of race

Time at Steady Pace

11:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi11:17:2524:187:4924:18
7:49
#15008
10K
6.21 mi11:41:5048:437:5024:25
7:52
#15157
15K
9.32 mi12:06:141:13:077:5124:24
7:51
#15036
20K
12.43 mi12:30:321:37:257:5024:18
7:49
#14576
Half
13.11 mi12:35:451:42:387:505:13
7:39
#14470
25K
15.53 mi12:54:512:01:447:5019:06
7:53
#14190
30K
18.64 mi13:20:472:27:407:5525:56
8:21
#14054
20M
20.00 mi13:31:582:38:517:5711:11
8:14
#13850
21M
21.00 mi13:40:332:47:267:588:35
8:35
#13639
35K
21.75 mi13:46:262:53:197:585:53
7:52
#13549
23M
23.00 mi13:56:193:03:127:589:53
7:54
#13267
24M
24.00 mi14:04:093:11:027:587:50
7:50
#13108
40K
24.85 mi14:10:553:17:487:576:46
7:55
#12953
25.2M
25.20 mi14:14:003:20:537:583:05
8:56
#12938
Finish
26.22 mi14:21:553:28:487:587:55
7:46
#12844
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi150084529452914852(Top 52%)4498(Top 37%)4498(Top 262%)
10K6.21 mi3.10 mi15157-1494638-1094638-10915349(Top 54%)4751(Top 39%)4751(Top 277%)
15K9.32 mi3.11 mi15036+1214578+604578+6014852(Top 52%)4498(Top 37%)4498(Top 262%)
20K12.43 mi3.11 mi14576+4604331+2474331+24713459(Top 47%)3792(Top 31%)3792(Top 221%)
Half13.11 mi0.68 mi14470+1064280+514280+5113033(Top 46%)3519(Top 29%)3519(Top 205%)
25K15.53 mi2.42 mi14190+2804150+1304150+13012969(Top 46%)3652(Top 30%)3652(Top 213%)
30K18.64 mi3.11 mi14054+1364137+134137+1313796(Top 49%)4250(Top 35%)4250(Top 247%)
20M20.00 mi1.36 mi13850+2044057+804057+8012027(Top 42%)3460(Top 28%)3460(Top 201%)
21M21.00 mi1.00 mi13639+2113972+853972+8511020(Top 39%)3115(Top 25%)3115(Top 181%)
35K21.75 mi0.75 mi13549+903939+333939+3311350(Top 40%)3302(Top 27%)3302(Top 192%)
23M23.00 mi1.25 mi13267+2823821+1183821+1189294(Top 33%)2410(Top 20%)2410(Top 140%)
24M24.00 mi1.00 mi13108+1593767+543767+5410114(Top 36%)2878(Top 24%)2878(Top 168%)
40K24.85 mi0.85 mi12953+1553704+633704+639620(Top 34%)2745(Top 22%)2745(Top 160%)
25.2M25.20 mi0.35 mi12938+153708-43708-411532(Top 41%)3769(Top 31%)3769(Top 219%)
Finish26.22 mi1.02 mi12844+943674+343674+3411244(Top 40%)3580(Top 29%)3580(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

14852

Females

4498

F40-44

4498

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15349

Females

4751

F40-44

4751

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

14852

Females

4498

F40-44

4498

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13459

Females

3792

F40-44

3792

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

13033

Females

3519

F40-44

3519

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12969

Females

3652

F40-44

3652

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13796

Females

4250

F40-44

4250

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

12027

Females

3460

F40-44

3460

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11020

Females

3115

F40-44

3115

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11350

Females

3302

F40-44

3302

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

9294

Females

2410

F40-44

2410

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10114

Females

2878

F40-44

2878

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9620

Females

2745

F40-44

2745

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11532

Females

3769

F40-44

3769

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11244

Females

3580

F40-44

3580

Passing Analysis

Category:
Athletes Passed
3063
Passed By
899
Net Change
+2164
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15008
5K → 10K223372-149#15008#15157
10K → 15K266145+121#15157#15036
15K → 20K48424+460#15036#14576
20K → Half1104+106#14576#14470
Half → 25K31636+280#14470#14190
25K → 30K321185+136#14190#14054
30K → 20M22824+204#14054#13850
20M → 21M22918+211#13850#13639
21M → 35K10111+90#13639#13549
35K → 23M2864+282#13549#13267
23M → 24M1678+159#13267#13108
24M → 40K16510+155#13108#12953
40K → 25.2M4025+15#12953#12938
25.2M → Finish12733+94#12938#12844
TOTALS3063899+2164
📊

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