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BOSTON MARATHON 2025

Jennifer Davies

Bib: 30770•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
31:52
Rank: #26202
Start → 5K
31:52 | 10:15/mi
10K· 6.21 mi
1:04:15
Rank: #26164 (+38)
5K → 10K
32:23 | 10:25/mi
15K· 9.32 mi
1:37:54
Rank: #26289 (-125)
10K → 15K
33:39 | 10:50/mi
20K· 12.43 mi
2:09:29
Rank: #25836 (+453)
15K → 20K
31:35 | 10:10/mi
Half· 13.11 mi
2:16:22
Rank: #25799 (+37)
20K → Half
6:53 | 10:05/mi
25K· 15.53 mi
2:41:45
Rank: #25543 (+256)
Half → 25K
25:23 | 10:28/mi
30K· 18.64 mi
3:20:00
Rank: #25637 (-94)
25K → 30K
38:15 | 12:19/mi
20M
3:34:59
Rank: #25503 (+134)
30K → 20M
14:59 | 11:02/mi
21M
3:46:22
Rank: #25358 (+145)
20M → 21M
11:23 | 11:23/mi
35K· 21.75 mi
4:00:15
Rank: #25767 (-409)
21M → 35K
13:53 | 18:33/mi
23M
4:13:09
Rank: #25593 (+174)
35K → 23M
12:54 | 10:18/mi
24M
4:23:31
Rank: #25477 (+116)
23M → 24M
10:22 | 10:22/mi
40K· 24.85 mi
4:33:27
Rank: #25435 (+42)
24M → 40K
9:56 | 11:37/mi
25.2M
4:38:25
Rank: #25472 (-37)
40K → 25.2M
4:58 | 14:24/mi
Finish· 26.22 mi
4:49:00
Rank: #25430 (+42)
25.2M → Finish
10:35 | 10:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:22
Pace10:24 /mi
2nd Half
Distance13.11 mi
Time2:32:38
Pace11:39 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:0431:5210:1531:52
10:15
-
10K
6.21 mi12:25:271:04:1510:2032:23
10:25
+0:10
15K
9.32 mi12:59:061:37:5410:3033:39
10:50
+0:25
20K
12.43 mi13:30:412:09:2910:2531:35
10:10
-0:40
Half
13.11 mi13:37:342:16:2210:246:53
10:05
-0:05
25K
15.53 mi14:02:572:41:4510:2525:23
10:28
+0:23
30K
18.64 mi14:41:123:20:0010:4438:15
12:19
+1:51
20M
20.00 mi14:56:113:34:5910:4514:59
11:02
-1:17
21M
21.00 mi15:07:343:46:2210:4711:23
11:23
+0:21
35K
21.75 mi15:21:274:00:1511:0313:53
18:33
+7:10
23M
23.00 mi15:34:214:13:0911:0012:54
10:18
-8:15
24M
24.00 mi15:44:434:23:3110:5910:22
10:22
+0:04
40K
24.85 mi15:54:394:33:2711:009:56
11:37
+1:15
25.2M
25.20 mi15:59:374:38:2511:034:58
14:24
+2:47
Finish
26.22 mi16:10:124:49:0011:0210:35
10:23
-4:01

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

10:05 /mi

Average Pace

11:02 /mi

Slowest Pace

18:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:41:58

77% of race

Time at Slower Pace

1:07:02

23% of race

Average Pace: 11:01 /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 mi11:53:0431:5210:1531:52
10:15
#26202
10K
6.21 mi12:25:271:04:1510:2032:23
10:25
#26164
15K
9.32 mi12:59:061:37:5410:3033:39
10:50
#26289
20K
12.43 mi13:30:412:09:2910:2531:35
10:10
#25836
Half
13.11 mi13:37:342:16:2210:246:53
10:05
#25799
25K
15.53 mi14:02:572:41:4510:2525:23
10:28
#25543
30K
18.64 mi14:41:123:20:0010:4438:15
12:19
#25637
20M
20.00 mi14:56:113:34:5910:4514:59
11:02
#25503
21M
21.00 mi15:07:343:46:2210:4711:23
11:23
#25358
35K
21.75 mi15:21:274:00:1511:0313:53
18:33
#25767
23M
23.00 mi15:34:214:13:0911:0012:54
10:18
#25593
24M
24.00 mi15:44:434:23:3110:5910:22
10:22
#25477
40K
24.85 mi15:54:394:33:2711:009:56
11:37
#25435
25.2M
25.20 mi15:59:374:38:2511:034:58
14:24
#25472
Finish
26.22 mi16:10:124:49:0011:0210:35
10:23
#25430
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26202108711087126449(Top 93%)11030(Top 90%)11030(Top 202%)
10K6.21 mi3.10 mi26164+3810858+1310858+1326130(Top 92%)10863(Top 89%)10863(Top 199%)
15K9.32 mi3.11 mi26289-12510941-8310941-8326449(Top 93%)11030(Top 90%)11030(Top 202%)
20K12.43 mi3.11 mi25836+45310698+24310698+24324563(Top 86%)10026(Top 82%)10026(Top 183%)
Half13.11 mi0.68 mi25799+3710670+2810670+2824986(Top 88%)10256(Top 84%)10256(Top 188%)
25K15.53 mi2.42 mi25543+25610544+12610544+12624309(Top 86%)9917(Top 81%)9917(Top 181%)
30K18.64 mi3.11 mi25637-9410638-9410638-9425943(Top 91%)10912(Top 89%)10912(Top 200%)
20M20.00 mi1.36 mi25503+13410575+6310575+6323627(Top 83%)9757(Top 80%)9757(Top 178%)
21M21.00 mi1.00 mi25358+14510508+6710508+6722330(Top 79%)9159(Top 75%)9159(Top 167%)
35K21.75 mi0.75 mi25767-40910735-22710735-22728362(Top 100%)12215(Top 100%)12215(Top 223%)
23M23.00 mi1.25 mi25593+17410653+8210653+8221407(Top 75%)8760(Top 72%)8760(Top 160%)
24M24.00 mi1.00 mi25477+11610600+5310600+5322423(Top 79%)9359(Top 77%)9359(Top 171%)
40K24.85 mi0.85 mi25435+4210589+1110589+1124316(Top 86%)10335(Top 85%)10335(Top 189%)
25.2M25.20 mi0.35 mi25472-3710612-2310612-2326630(Top 94%)11482(Top 94%)11482(Top 210%)
Finish26.22 mi1.02 mi25430+4210594+1810594+1823975(Top 84%)10161(Top 83%)10161(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

26449

Females

11030

F18-39

11030

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26130

Females

10863

F18-39

10863

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

26449

Females

11030

F18-39

11030

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

24563

Females

10026

F18-39

10026

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

24986

Females

10256

F18-39

10256

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24309

Females

9917

F18-39

9917

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

25943

Females

10912

F18-39

10912

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23627

Females

9757

F18-39

9757

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

22330

Females

9159

F18-39

9159

21M→35K

21.0 - 21.8 mi

Top 100%
×7stories
+17ft-86ft

Overall

28362

Females

12215

F18-39

12215

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21407

Females

8760

F18-39

8760

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

22423

Females

9359

F18-39

9359

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24316

Females

10335

F18-39

10335

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26630

Females

11482

F18-39

11482

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23975

Females

10161

F18-39

10161

Passing Analysis

Category:
Athletes Passed
1825
Passed By
1053
Net Change
+772
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26202
5K → 10K188150+38#26202#26164
10K → 15K89214-125#26164#26289
15K → 20K4552+453#26289#25836
20K → Half447+37#25836#25799
Half → 25K2659+256#25799#25543
25K → 30K89183-94#25543#25637
30K → 20M1373+134#25637#25503
20M → 21M1494+145#25503#25358
21M → 35K2411-409#25358#25767
35K → 23M1773+174#25767#25593
23M → 24M1160+116#25593#25477
24M → 40K5614+42#25477#25435
40K → 25.2M340-37#25435#25472
25.2M → Finish5513+42#25472#25430
TOTALS18251053+772
📊

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