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BOSTON MARATHON 2025

Jennifer Holley

Bib: 19755•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 33%
Masters (Masters Women)
#0 / 6759
Top 19%
Division (F40-44)
#0 / 1718
Top 38%
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
7:52/mi
24:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:13:07
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:37:34
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:42:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:54/mi
2:02:02
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:27:29
↑ 181↓ 1480.2%
20M
8:24/mi
2:38:54
↑ 64↓ 500.2%
21M
8:52/mi
2:47:46
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:53:49
↑ 17↓ 861.7%
23M
8:26/mi
3:04:22
↑ 23↓ 630.6%
24M
8:14/mi
3:12:36
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:19:47
↓ 200.3%
25.2M
9:17/mi
3:22:59
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:31:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:52
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:48:27
Pace8:16 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2424:277:5224:27
7:52
-
10K
6.21 mi11:40:4248:457:5124:18
7:49
-0:03
15K
9.32 mi12:05:041:13:077:5124:22
7:51
+0:02
20K
12.43 mi12:29:311:37:347:5124:27
7:52
+0:01
Half
13.11 mi12:34:491:42:527:515:18
7:46
-0:06
25K
15.53 mi12:53:592:02:027:5119:10
7:54
+0:08
30K
18.64 mi13:19:262:27:297:5525:27
8:11
+0:17
20M
20.00 mi13:30:512:38:547:5711:25
8:24
+0:13
21M
21.00 mi13:39:432:47:467:598:52
8:52
+0:28
35K
21.75 mi13:45:462:53:498:006:03
8:05
-0:47
23M
23.00 mi13:56:193:04:228:0110:33
8:26
+0:21
24M
24.00 mi14:04:333:12:368:028:14
8:14
-0:12
40K
24.85 mi14:11:443:19:478:027:11
8:24
+0:10
25.2M
25.20 mi14:14:563:22:598:033:12
9:17
+0:53
Finish
26.22 mi14:23:163:31:198:048:20
8:11
-1:06

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

7:46 /mi

Average Pace

8:04 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:15

94% of race

Time at Steady Pace

8:52

4% of race

Time at Slower Pace

3:12

2% of race

Average Pace: 8:04 /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 mi11:16:2424:277:5224:27
7:52
#15431
10K
6.21 mi11:40:4248:457:5124:18
7:49
#15211
15K
9.32 mi12:05:041:13:077:5124:22
7:51
#15039
20K
12.43 mi12:29:311:37:347:5124:27
7:52
#14678
Half
13.11 mi12:34:491:42:527:515:18
7:46
#14641
25K
15.53 mi12:53:592:02:027:5119:10
7:54
#14349
30K
18.64 mi13:19:262:27:297:5525:27
8:11
#13977
20M
20.00 mi13:30:512:38:547:5711:25
8:24
#13875
21M
21.00 mi13:39:432:47:467:598:52
8:52
#13778
35K
21.75 mi13:45:462:53:498:006:03
8:05
#13719
23M
23.00 mi13:56:193:04:228:0110:33
8:26
#13636
24M
24.00 mi14:04:333:12:368:028:14
8:14
#13598
40K
24.85 mi14:11:443:19:478:027:11
8:24
#13549
25.2M
25.20 mi14:14:563:22:598:033:12
9:17
#13537
Finish
26.22 mi14:23:163:31:198:048:20
8:11
#13573
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi154314795479514754(Top 52%)4446(Top 36%)4446(Top 259%)
10K6.21 mi3.10 mi15211+2204667+1284667+12815019(Top 53%)4548(Top 37%)4548(Top 265%)
15K9.32 mi3.11 mi15039+1724581+864581+8614754(Top 52%)4446(Top 36%)4446(Top 259%)
20K12.43 mi3.11 mi14678+3614393+1884393+18813853(Top 49%)4009(Top 33%)4009(Top 233%)
Half13.11 mi0.68 mi14641+374372+214372+2114056(Top 49%)4089(Top 33%)4089(Top 238%)
25K15.53 mi2.42 mi14349+2924242+1304242+13013153(Top 46%)3755(Top 31%)3755(Top 219%)
30K18.64 mi3.11 mi13977+3724091+1514091+15112778(Top 45%)3706(Top 30%)3706(Top 216%)
20M20.00 mi1.36 mi13875+1024072+194072+1913179(Top 46%)4071(Top 33%)4071(Top 237%)
21M21.00 mi1.00 mi13778+974049+234049+2312737(Top 45%)3998(Top 33%)3998(Top 233%)
35K21.75 mi0.75 mi13719+594033+164033+1612869(Top 45%)4088(Top 33%)4088(Top 238%)
23M23.00 mi1.25 mi13636+834030+34030+312862(Top 45%)4194(Top 34%)4194(Top 244%)
24M24.00 mi1.00 mi13598+384034-44034-412831(Top 45%)4231(Top 35%)4231(Top 246%)
40K24.85 mi0.85 mi13549+494029+54029+512825(Top 45%)4345(Top 36%)4345(Top 253%)
25.2M25.20 mi0.35 mi13537+124036-74036-713387(Top 47%)4696(Top 38%)4696(Top 273%)
Finish26.22 mi1.02 mi13573-364081-454081-4514139(Top 50%)5015(Top 41%)5015(Top 292%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

14754

Females

4446

F40-44

4446

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

15019

Females

4548

F40-44

4548

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

14754

Females

4446

F40-44

4446

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13853

Females

4009

F40-44

4009

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

14056

Females

4089

F40-44

4089

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

13153

Females

3755

F40-44

3755

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12778

Females

3706

F40-44

3706

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

13179

Females

4071

F40-44

4071

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12737

Females

3998

F40-44

3998

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12869

Females

4088

F40-44

4088

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12862

Females

4194

F40-44

4194

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12831

Females

4231

F40-44

4231

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12825

Females

4345

F40-44

4345

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13387

Females

4696

F40-44

4696

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14139

Females

5015

F40-44

5015

Passing Analysis

Category:
Athletes Passed
2814
Passed By
956
Net Change
+1858
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15431
5K → 10K418198+220#15431#15211
10K → 15K298126+172#15211#15039
15K → 20K41049+361#15039#14678
20K → Half5215+37#14678#14641
Half → 25K33139+292#14641#14349
25K → 30K44169+372#14349#13977
30K → 20M17371+102#13977#13875
20M → 21M15558+97#13875#13778
21M → 35K8122+59#13778#13719
35K → 23M14966+83#13719#13636
23M → 24M9961+38#13636#13598
24M → 40K10051+49#13598#13549
40K → 25.2M4836+12#13549#13537
25.2M → Finish5995-36#13537#13573
TOTALS2814956+1858
📊

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