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BOSTON MARATHON 2025

Jennifer Medina

Bib: 22614•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
9:01/mi
28:00
↑ 97↓ 3451.5%
10K· 6.21 mi
9:13/mi
56:39
↑ 79↓ 1380.4%
15K· 9.32 mi
9:39/mi
1:26:39
↑ 67↓ 78
20K· 12.43 mi
9:35/mi
1:56:26
↑ 106↓ 860.1%
Half· 13.11 mi
9:17/mi
2:02:46
↑ 19↓ 370.5%
25K· 15.53 mi
9:56/mi
2:26:51
↑ 66↓ 880.2%
30K· 18.64 mi
10:05/mi
2:58:11
↑ 181↓ 1480.2%
20M
10:12/mi
3:12:02
↑ 64↓ 500.2%
21M
11:10/mi
3:23:12
↑ 106↓ 241.6%
35K· 21.75 mi
9:52/mi
3:30:35
↑ 17↓ 861.7%
23M
9:57/mi
3:43:02
↑ 23↓ 630.6%
24M
9:47/mi
3:52:49
↓ 821.3%
40K· 24.85 mi
9:47/mi
4:01:11
↓ 200.3%
25.2M
10:29/mi
4:04:48
↑ 13↓ 160.2%
Finish· 26.22 mi
9:23/mi
4:14:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:46
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:11:36
Pace10:02 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0028:009:0128:00
9:01
-
10K
6.21 mi11:53:3956:399:0728:39
9:13
+0:12
15K
9.32 mi12:23:391:26:399:1830:00
9:39
+0:26
20K
12.43 mi12:53:261:56:269:2229:47
9:35
-0:04
Half
13.11 mi12:59:462:02:469:226:20
9:17
-0:18
25K
15.53 mi13:23:512:26:519:2724:05
9:56
+0:39
30K
18.64 mi13:55:112:58:119:3431:20
10:05
+0:09
20M
20.00 mi14:09:023:12:029:3613:51
10:12
+0:07
21M
21.00 mi14:20:123:23:129:4111:10
11:10
+0:58
35K
21.75 mi14:27:353:30:359:417:23
9:52
-1:18
23M
23.00 mi14:40:023:43:029:4212:27
9:57
+0:05
24M
24.00 mi14:49:493:52:499:429:47
9:47
-0:10
40K
24.85 mi14:58:114:01:119:428:22
9:47
0:00
25.2M
25.20 mi15:01:484:04:489:433:37
10:29
+0:42
Finish
26.22 mi15:11:224:14:229:439:34
9:23
-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

9:01 /mi

Average Pace

9:43 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:33

29% of race

Time at Steady Pace

2:01:51

48% of race

Time at Slower Pace

59:58

24% of race

Average Pace: 9:42 /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 mi11:25:0028:009:0128:00
9:01
#22470
10K
6.21 mi11:53:3956:399:0728:39
9:13
#22884
15K
9.32 mi12:23:391:26:399:1830:00
9:39
#23433
20K
12.43 mi12:53:261:56:269:2229:47
9:35
#23354
Half
13.11 mi12:59:462:02:469:226:20
9:17
#23325
25K
15.53 mi13:23:512:26:519:2724:05
9:56
#23282
30K
18.64 mi13:55:112:58:119:3431:20
10:05
#22980
20M
20.00 mi14:09:023:12:029:3613:51
10:12
#22858
21M
21.00 mi14:20:123:23:129:4111:10
11:10
#22808
35K
21.75 mi14:27:353:30:359:417:23
9:52
#22740
23M
23.00 mi14:40:023:43:029:4212:27
9:57
#22585
24M
24.00 mi14:49:493:52:499:429:47
9:47
#22489
40K
24.85 mi14:58:114:01:119:428:22
9:47
#22380
25.2M
25.20 mi15:01:484:04:489:433:37
10:29
#22334
Finish
26.22 mi15:11:224:14:229:439:34
9:23
#22270
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi224708889888924160(Top 85%)9759(Top 80%)9759(Top 538%)
10K6.21 mi3.10 mi22884-4149090-2019090-20123285(Top 82%)9289(Top 76%)9289(Top 512%)
15K9.32 mi3.11 mi23433-5499373-2839373-28324160(Top 85%)9759(Top 80%)9759(Top 538%)
20K12.43 mi3.11 mi23354+799315+589315+5823170(Top 82%)9232(Top 75%)9232(Top 509%)
Half13.11 mi0.68 mi23325+299301+149301+1422925(Top 81%)9103(Top 74%)9103(Top 502%)
25K15.53 mi2.42 mi23282+439288+139288+1323079(Top 81%)9238(Top 76%)9238(Top 510%)
30K18.64 mi3.11 mi22980+3029176+1129176+11221850(Top 77%)8698(Top 71%)8698(Top 480%)
20M20.00 mi1.36 mi22858+1229137+399137+3921559(Top 76%)8664(Top 71%)8664(Top 478%)
21M21.00 mi1.00 mi22808+509122+159122+1521826(Top 77%)8883(Top 73%)8883(Top 490%)
35K21.75 mi0.75 mi22740+689096+269096+2621545(Top 76%)8800(Top 72%)8800(Top 485%)
23M23.00 mi1.25 mi22585+1559037+599037+5920314(Top 72%)8211(Top 67%)8211(Top 453%)
24M24.00 mi1.00 mi22489+969004+339004+3320694(Top 73%)8447(Top 69%)8447(Top 466%)
40K24.85 mi0.85 mi22380+1098969+358969+3519794(Top 70%)8046(Top 66%)8046(Top 444%)
25.2M25.20 mi0.35 mi22334+468947+228947+2219028(Top 67%)7667(Top 63%)7667(Top 423%)
Finish26.22 mi1.02 mi22270+648934+138934+1320776(Top 73%)8545(Top 70%)8545(Top 471%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24160

Females

9759

F45-49

9759

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23285

Females

9289

F45-49

9289

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24160

Females

9759

F45-49

9759

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23170

Females

9232

F45-49

9232

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

22925

Females

9103

F45-49

9103

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

23079

Females

9238

F45-49

9238

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21850

Females

8698

F45-49

8698

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21559

Females

8664

F45-49

8664

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21826

Females

8883

F45-49

8883

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21545

Females

8800

F45-49

8800

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20314

Females

8211

F45-49

8211

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

20694

Females

8447

F45-49

8447

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19794

Females

8046

F45-49

8046

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19028

Females

7667

F45-49

7667

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20776

Females

8545

F45-49

8545

Passing Analysis

Category:
Athletes Passed
1695
Passed By
1495
Net Change
+200
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22470
5K → 10K108522-414#22470#22884
10K → 15K53602-549#22884#23433
15K → 20K181102+79#23433#23354
20K → Half4516+29#23354#23325
Half → 25K14299+43#23325#23282
25K → 30K34442+302#23282#22980
30K → 20M14422+122#22980#22858
20M → 21M8737+50#22858#22808
21M → 35K8214+68#22808#22740
35K → 23M16914+155#22740#22585
23M → 24M1048+96#22585#22489
24M → 40K1145+109#22489#22380
40K → 25.2M460+46#22380#22334
25.2M → Finish7612+64#22334#22270
TOTALS16951495+200
📊

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