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BOSTON MARATHON 2025

Jessica Nava

Bib: 27884•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

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
10:32/mi
32:44
↑ 97↓ 3451.5%
10K· 6.21 mi
10:10/mi
1:04:18
↑ 79↓ 1380.4%
15K· 9.32 mi
10:22/mi
1:36:29
↑ 67↓ 78
20K· 12.43 mi
11:24/mi
2:11:53
↑ 106↓ 860.1%
Half· 13.11 mi
10:07/mi
2:18:47
↑ 19↓ 370.5%
25K· 15.53 mi
11:47/mi
2:47:22
↑ 66↓ 880.2%
30K· 18.64 mi
13:05/mi
3:28:01
↑ 181↓ 1480.2%
20M
13:34/mi
3:46:27
↑ 64↓ 500.2%
21M
12:23/mi
3:58:50
↑ 106↓ 241.6%
35K· 21.75 mi
13:55/mi
4:09:15
↑ 17↓ 861.7%
23M
12:50/mi
4:25:19
↑ 23↓ 630.6%
24M
14:09/mi
4:39:28
↓ 821.3%
40K· 24.85 mi
11:42/mi
4:49:28
↓ 200.3%
25.2M
13:55/mi
4:54:16
↑ 13↓ 160.2%
Finish· 26.22 mi
11:42/mi
5:06:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:47
Pace10:35 /mi
2nd Half
Distance13.11 mi
Time2:47:24
Pace12:46 /mi
📊Positive Split: 20.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3832:4410:3232:44
10:32
-
10K
6.21 mi12:22:121:04:1810:2131:34
10:10
-0:22
15K
9.32 mi12:54:231:36:2910:2132:11
10:22
+0:12
20K
12.43 mi13:29:472:11:5310:3735:24
11:24
+1:02
Half
13.11 mi13:36:412:18:4710:356:54
10:07
-1:17
25K
15.53 mi14:05:162:47:2210:4628:35
11:47
+1:40
30K
18.64 mi14:45:553:28:0111:1040:39
13:05
+1:18
20M
20.00 mi15:04:213:46:2711:1918:26
13:34
+0:29
21M
21.00 mi15:16:443:58:5011:2212:23
12:23
-1:11
35K
21.75 mi15:27:094:09:1511:2810:25
13:55
+1:32
23M
23.00 mi15:43:134:25:1911:3216:04
12:50
-1:05
24M
24.00 mi15:57:224:39:2811:3914:09
14:09
+1:19
40K
24.85 mi16:07:224:49:2811:3910:00
11:42
-2:27
25.2M
25.20 mi16:12:104:54:1611:414:48
13:55
+2:13
Finish
26.22 mi16:24:055:06:1111:4111:55
11:42
-2:13

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

10:07 /mi

Average Pace

11:41 /mi

Slowest Pace

14:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:23

34% of race

Time at Steady Pace

1:38:17

32% of race

Time at Slower Pace

1:44:31

34% of race

Average Pace: 11:41 /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 mi11:50:3832:4410:3232:44
10:32
#26837
10K
6.21 mi12:22:121:04:1810:2131:34
10:10
#26188
15K
9.32 mi12:54:231:36:2910:2132:11
10:22
#25997
20K
12.43 mi13:29:472:11:5310:3735:24
11:24
#26184
Half
13.11 mi13:36:412:18:4710:356:54
10:07
#26121
25K
15.53 mi14:05:162:47:2210:4628:35
11:47
#26153
30K
18.64 mi14:45:553:28:0111:1040:39
13:05
#26321
20M
20.00 mi15:04:213:46:2711:1918:26
13:34
#26414
21M
21.00 mi15:16:443:58:5011:2212:23
12:23
#26304
35K
21.75 mi15:27:094:09:1511:2810:25
13:55
#26381
23M
23.00 mi15:43:134:25:1911:3216:04
12:50
#26392
24M
24.00 mi15:57:224:39:2811:3914:09
14:09
#26487
40K
24.85 mi16:07:224:49:2811:3910:00
11:42
#26437
25.2M
25.20 mi16:12:104:54:1611:414:48
13:55
#26440
Finish
26.22 mi16:24:055:06:1111:4111:55
11:42
#26452
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26837112321123225694(Top 90%)10615(Top 87%)10615(Top 194%)
10K6.21 mi3.10 mi26188+64910876+35610876+35625647(Top 90%)10605(Top 87%)10605(Top 194%)
15K9.32 mi3.11 mi25997+19110776+10010776+10025694(Top 90%)10615(Top 87%)10615(Top 194%)
20K12.43 mi3.11 mi26184-18710878-10210878-10226502(Top 93%)11095(Top 91%)11095(Top 203%)
Half13.11 mi0.68 mi26121+6310851+2710851+2725047(Top 88%)10294(Top 84%)10294(Top 188%)
25K15.53 mi2.42 mi26153-3210873-2210873-2226195(Top 92%)10970(Top 90%)10970(Top 201%)
30K18.64 mi3.11 mi26321-16810997-12410997-12426761(Top 94%)11364(Top 93%)11364(Top 208%)
20M20.00 mi1.36 mi26414-9311069-7211069-7226957(Top 95%)11534(Top 94%)11534(Top 211%)
21M21.00 mi1.00 mi26304+11011020+4911020+4924217(Top 85%)10147(Top 83%)10147(Top 186%)
35K21.75 mi0.75 mi26381-7711073-5311073-5327632(Top 97%)11924(Top 98%)11924(Top 218%)
23M23.00 mi1.25 mi26392-1111083-1011083-1026186(Top 92%)11190(Top 92%)11190(Top 205%)
24M24.00 mi1.00 mi26487-9511146-6311146-6327723(Top 98%)11999(Top 98%)11999(Top 219%)
40K24.85 mi0.85 mi26437+5011122+2411122+2424463(Top 86%)10411(Top 85%)10411(Top 190%)
25.2M25.20 mi0.35 mi26440-311124-211124-226167(Top 92%)11263(Top 92%)11263(Top 206%)
Finish26.22 mi1.02 mi26452-1211139-1511139-1526404(Top 93%)11339(Top 93%)11339(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25694

Females

10615

F18-39

10615

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

25647

Females

10605

F18-39

10605

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25694

Females

10615

F18-39

10615

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

26502

Females

11095

F18-39

11095

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

25047

Females

10294

F18-39

10294

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

26195

Females

10970

F18-39

10970

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26761

Females

11364

F18-39

11364

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

26957

Females

11534

F18-39

11534

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

24217

Females

10147

F18-39

10147

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27632

Females

11924

F18-39

11924

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26186

Females

11190

F18-39

11190

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27723

Females

11999

F18-39

11999

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24463

Females

10411

F18-39

10411

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26167

Females

11263

F18-39

11263

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26404

Females

11339

F18-39

11339

Passing Analysis

Category:
Athletes Passed
1433
Passed By
1048
Net Change
+385
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26837
5K → 10K66314+649#26837#26188
10K → 15K23645+191#26188#25997
15K → 20K66253-187#25997#26184
20K → Half663+63#26184#26121
Half → 25K6597-32#26121#26153
25K → 30K47215-168#26153#26321
30K → 20M27120-93#26321#26414
20M → 21M1188+110#26414#26304
21M → 35K1289-77#26304#26381
35K → 23M3243-11#26381#26392
23M → 24M7102-95#26392#26487
24M → 40K577+50#26487#26437
40K → 25.2M1518-3#26437#26440
25.2M → Finish2234-12#26440#26452
TOTALS14331048+385
📊

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