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BOSTON MARATHON 2025

Jessica Porras

Bib: 12368•F

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 50%
Gender (Female)
#0 / 12228
Top 36%
Division (F18-39)
#0 / 5469
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
7:45/mi
24:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:13:10
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:37:42
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:42:57
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:02:32
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:28:10
↑ 181↓ 1480.2%
20M
8:35/mi
2:39:50
↑ 64↓ 500.2%
21M
9:12/mi
2:49:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
2:55:15
↑ 17↓ 861.7%
23M
8:41/mi
3:06:07
↑ 23↓ 630.6%
24M
8:27/mi
3:14:34
↓ 821.3%
40K· 24.85 mi
8:33/mi
3:21:53
↓ 200.3%
25.2M
9:23/mi
3:25:07
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:33:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:57
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:50:21
Pace8:25 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5124:057:4524:05
7:45
-
10K
6.21 mi11:18:0948:237:4724:18
7:49
+0:04
15K
9.32 mi11:42:561:13:107:5124:47
7:59
+0:10
20K
12.43 mi12:07:281:37:427:5224:32
7:54
-0:05
Half
13.11 mi12:12:431:42:577:515:15
7:42
-0:12
25K
15.53 mi12:32:182:02:327:5319:35
8:05
+0:23
30K
18.64 mi12:57:562:28:107:5725:38
8:15
+0:10
20M
20.00 mi13:09:362:39:507:5911:40
8:35
+0:20
21M
21.00 mi13:18:482:49:028:039:12
9:12
+0:37
35K
21.75 mi13:25:012:55:158:036:13
8:19
-0:53
23M
23.00 mi13:35:533:06:078:0610:52
8:41
+0:22
24M
24.00 mi13:44:203:14:348:068:27
8:27
-0:14
40K
24.85 mi13:51:393:21:538:077:19
8:33
+0:06
25.2M
25.20 mi13:54:533:25:078:083:14
9:23
+0:50
Finish
26.22 mi14:03:043:33:188:088:11
8:02
-1:21

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

7:42 /mi

Average Pace

8:08 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:57

48% of race

Time at Steady Pace

1:08:04

32% of race

Time at Slower Pace

42:17

20% of race

Average Pace: 8:08 /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 mi10:53:5124:057:4524:05
7:45
#14411
10K
6.21 mi11:18:0948:237:4724:18
7:49
#14660
15K
9.32 mi11:42:561:13:107:5124:47
7:59
#15081
20K
12.43 mi12:07:281:37:427:5224:32
7:54
#14772
Half
13.11 mi12:12:431:42:577:515:15
7:42
#14698
25K
15.53 mi12:32:182:02:327:5319:35
8:05
#14622
30K
18.64 mi12:57:562:28:107:5725:38
8:15
#14272
20M
20.00 mi13:09:362:39:507:5911:40
8:35
#14251
21M
21.00 mi13:18:482:49:028:039:12
9:12
#14279
35K
21.75 mi13:25:012:55:158:036:13
8:19
#14272
23M
23.00 mi13:35:533:06:078:0610:52
8:41
#14281
24M
24.00 mi13:44:203:14:348:068:27
8:27
#14256
40K
24.85 mi13:51:393:21:538:077:19
8:33
#14211
25.2M
25.20 mi13:54:533:25:078:083:14
9:23
#14190
Finish
26.22 mi14:03:043:33:188:088:11
8:02
#14122
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi144114166416615872(Top 56%)5074(Top 41%)5074(Top 93%)
10K6.21 mi3.10 mi14660-2494342-1764342-17615024(Top 53%)4553(Top 37%)4553(Top 83%)
15K9.32 mi3.11 mi15081-4214603-2614603-26115872(Top 56%)5074(Top 41%)5074(Top 93%)
20K12.43 mi3.11 mi14772+3094457+1464457+14614078(Top 50%)4138(Top 34%)4138(Top 76%)
Half13.11 mi0.68 mi14698+744409+484409+4813441(Top 47%)3752(Top 31%)3752(Top 69%)
25K15.53 mi2.42 mi14622+764407+24407+214490(Top 51%)4481(Top 37%)4481(Top 82%)
30K18.64 mi3.11 mi14272+3504264+1434264+14313180(Top 46%)3937(Top 32%)3937(Top 72%)
20M20.00 mi1.36 mi14251+214276-124276-1214356(Top 51%)4696(Top 38%)4696(Top 86%)
21M21.00 mi1.00 mi14279-284308-324308-3214643(Top 52%)4961(Top 41%)4961(Top 91%)
35K21.75 mi0.75 mi14272+74329-214329-2114326(Top 50%)4857(Top 40%)4857(Top 89%)
23M23.00 mi1.25 mi14281-94375-464375-4614431(Top 51%)5020(Top 41%)5020(Top 92%)
24M24.00 mi1.00 mi14256+254387-124387-1214214(Top 50%)4933(Top 40%)4933(Top 90%)
40K24.85 mi0.85 mi14211+454394-74394-713808(Top 49%)4856(Top 40%)4856(Top 89%)
25.2M25.20 mi0.35 mi14190+214389+54389+513921(Top 49%)4964(Top 41%)4964(Top 91%)
Finish26.22 mi1.02 mi14122+684379+104379+1013110(Top 46%)4498(Top 37%)4498(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15872

Females

5074

F18-39

5074

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

15024

Females

4553

F18-39

4553

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15872

Females

5074

F18-39

5074

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14078

Females

4138

F18-39

4138

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13441

Females

3752

F18-39

3752

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14490

Females

4481

F18-39

4481

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

13180

Females

3937

F18-39

3937

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14356

Females

4696

F18-39

4696

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14643

Females

4961

F18-39

4961

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14326

Females

4857

F18-39

4857

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14431

Females

5020

F18-39

5020

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14214

Females

4933

F18-39

4933

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13808

Females

4856

F18-39

4856

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13921

Females

4964

F18-39

4964

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

13110

Females

4498

F18-39

4498

Passing Analysis

Category:
Athletes Passed
2118
Passed By
1829
Net Change
+289
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14411
5K → 10K200449-249#14411#14660
10K → 15K92513-421#14660#15081
15K → 20K36960+309#15081#14772
20K → Half817+74#14772#14698
Half → 25K207131+76#14698#14622
25K → 30K43080+350#14622#14272
30K → 20M122101+21#14272#14251
20M → 21M106134-28#14251#14279
21M → 35K7467+7#14279#14272
35K → 23M114123-9#14272#14281
23M → 24M8257+25#14281#14256
24M → 40K9146+45#14256#14211
40K → 25.2M4423+21#14211#14190
25.2M → Finish10638+68#14190#14122
TOTALS21181829+289
📊

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