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BOSTON MARATHON 2025

Jill Dennes

Bib: 2083•F

TN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Female)
#0 / 12228
Top 2%
Division (F18-39)
#0 / 5469
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:43
Rank: #2750
Start → 5K
19:43 | 6:21/mi
10K· 6.21 mi
39:40
Rank: #2948 (-198)
5K → 10K
19:57 | 6:25/mi
15K· 9.32 mi
1:00:04
Rank: #3293 (-345)
10K → 15K
20:24 | 6:34/mi
20K· 12.43 mi
1:21:04
Rank: #3678 (-385)
15K → 20K
21:00 | 6:46/mi
Half· 13.11 mi
1:25:36
Rank: #3712 (-34)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:42:17
Rank: #3905 (-193)
Half → 25K
16:41 | 6:53/mi
30K· 18.64 mi
2:04:04
Rank: #3985 (-80)
25K → 30K
21:47 | 7:01/mi
20M
2:13:35
Rank: #3966 (+19)
30K → 20M
9:31 | 7:00/mi
21M
2:20:58
Rank: #3934 (+32)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:25:54
Rank: #3879 (+55)
21M → 35K
4:56 | 6:36/mi
23M
2:34:33
Rank: #3810 (+69)
35K → 23M
8:39 | 6:55/mi
24M
2:41:13
Rank: #3737 (+73)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:47:14
Rank: #3723 (+14)
24M → 40K
6:01 | 7:02/mi
25.2M
2:49:52
Rank: #3709 (+14)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:56:38
Rank: #3650 (+59)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:36
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time1:31:02
Pace6:57 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4219:436:2119:43
6:21
-
10K
6.21 mi10:40:3939:406:2319:57
6:25
+0:04
15K
9.32 mi11:01:031:00:046:2720:24
6:34
+0:09
20K
12.43 mi11:22:031:21:046:3121:00
6:46
+0:12
Half
13.11 mi11:26:351:25:366:324:32
6:39
-0:07
25K
15.53 mi11:43:161:42:176:3516:41
6:53
+0:14
30K
18.64 mi12:05:032:04:046:3921:47
7:01
+0:08
20M
20.00 mi12:14:342:13:356:419:31
7:00
-0:01
21M
21.00 mi12:21:572:20:586:437:23
7:23
+0:23
35K
21.75 mi12:26:532:25:546:434:56
6:36
-0:47
23M
23.00 mi12:35:322:34:336:438:39
6:55
+0:19
24M
24.00 mi12:42:122:41:136:436:40
6:40
-0:15
40K
24.85 mi12:48:132:47:146:446:01
7:02
+0:22
25.2M
25.20 mi12:50:512:49:526:442:38
7:38
+0:36
Finish
26.22 mi12:57:372:56:386:456:46
6:38
-1:00

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

6:21 /mi

Average Pace

6:45 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:04

34% of race

Time at Steady Pace

1:09:14

39% of race

Time at Slower Pace

47:20

27% of race

Average Pace: 6:44 /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 mi10:20:4219:436:2119:43
6:21
#2750
10K
6.21 mi10:40:3939:406:2319:57
6:25
#2948
15K
9.32 mi11:01:031:00:046:2720:24
6:34
#3293
20K
12.43 mi11:22:031:21:046:3121:00
6:46
#3678
Half
13.11 mi11:26:351:25:366:324:32
6:39
#3712
25K
15.53 mi11:43:161:42:176:3516:41
6:53
#3905
30K
18.64 mi12:05:032:04:046:3921:47
7:01
#3985
20M
20.00 mi12:14:342:13:356:419:31
7:00
#3966
21M
21.00 mi12:21:572:20:586:437:23
7:23
#3934
35K
21.75 mi12:26:532:25:546:434:56
6:36
#3879
23M
23.00 mi12:35:322:34:336:438:39
6:55
#3810
24M
24.00 mi12:42:122:41:136:436:40
6:40
#3737
40K
24.85 mi12:48:132:47:146:446:01
7:02
#3723
25.2M
25.20 mi12:50:512:49:526:442:38
7:38
#3709
Finish
26.22 mi12:57:372:56:386:456:46
6:38
#3650
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27501231234011(Top 14%)226(Top 2%)226(Top 4%)
10K6.21 mi3.10 mi2948-198136-13136-133199(Top 11%)150(Top 1%)150(Top 3%)
15K9.32 mi3.11 mi3293-345157-21157-214011(Top 14%)226(Top 2%)226(Top 4%)
20K12.43 mi3.11 mi3678-385193-36193-364930(Top 17%)362(Top 3%)362(Top 7%)
Half13.11 mi0.68 mi3712-34199-6199-64883(Top 17%)331(Top 3%)331(Top 6%)
25K15.53 mi2.42 mi3905-193217-18217-185525(Top 19%)497(Top 4%)497(Top 9%)
30K18.64 mi3.11 mi3985-80230-13230-134770(Top 17%)410(Top 3%)410(Top 7%)
20M20.00 mi1.36 mi3966+19234-4234-44138(Top 15%)337(Top 3%)337(Top 6%)
21M21.00 mi1.00 mi3934+32238-4238-44056(Top 14%)371(Top 3%)371(Top 7%)
35K21.75 mi0.75 mi3879+55234+4234+42980(Top 10%)226(Top 2%)226(Top 4%)
23M23.00 mi1.25 mi3810+69236-2236-23287(Top 12%)285(Top 2%)285(Top 5%)
24M24.00 mi1.00 mi3737+73238-2238-22838(Top 10%)231(Top 2%)231(Top 4%)
40K24.85 mi0.85 mi3723+14241-3241-34153(Top 15%)532(Top 4%)532(Top 10%)
25.2M25.20 mi0.35 mi3709+14242-1242-14096(Top 14%)574(Top 5%)574(Top 10%)
Finish26.22 mi1.02 mi3650+59244-2244-23591(Top 13%)445(Top 4%)445(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

4011

Females

226

F18-39

226

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3199

Females

150

F18-39

150

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

4011

Females

226

F18-39

226

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4930

Females

362

F18-39

362

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4883

Females

331

F18-39

331

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5525

Females

497

F18-39

497

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4770

Females

410

F18-39

410

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4138

Females

337

F18-39

337

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

4056

Females

371

F18-39

371

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2980

Females

226

F18-39

226

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3287

Females

285

F18-39

285

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2838

Females

231

F18-39

231

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4153

Females

532

F18-39

532

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

4096

Females

574

F18-39

574

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3591

Females

445

F18-39

445

Passing Analysis

Category:
Athletes Passed
798
Passed By
1698
Net Change
-900
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2750
5K → 10K66264-198#2750#2948
10K → 15K20365-345#2948#3293
15K → 20K22407-385#3293#3678
20K → Half741-34#3678#3712
Half → 25K33226-193#3712#3905
25K → 30K99179-80#3905#3985
30K → 20M6344+19#3985#3966
20M → 21M7644+32#3966#3934
21M → 35K638+55#3934#3879
35K → 23M9728+69#3879#3810
23M → 24M8613+73#3810#3737
24M → 40K5036+14#3737#3723
40K → 25.2M2713+14#3723#3709
25.2M → Finish8930+59#3709#3650
TOTALS7981698-900
📊

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