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BOSTON MARATHON 2025

Erica Hudson

Bib: 30279•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
10:37/mi
32:58
↑ 97↓ 3451.5%
10K· 6.21 mi
10:51/mi
1:06:40
↑ 79↓ 1380.4%
15K· 9.32 mi
11:20/mi
1:41:53
↑ 67↓ 78
20K· 12.43 mi
11:07/mi
2:16:24
↑ 106↓ 860.1%
Half· 13.11 mi
10:38/mi
2:23:39
↑ 19↓ 370.5%
25K· 15.53 mi
12:10/mi
2:53:09
↑ 66↓ 880.2%
30K· 18.64 mi
13:01/mi
3:33:37
↑ 181↓ 1480.2%
20M
12:37/mi
3:50:46
↑ 64↓ 500.2%
21M
13:43/mi
4:04:29
↑ 106↓ 241.6%
35K· 21.75 mi
12:30/mi
4:13:50
↑ 17↓ 861.7%
23M
13:31/mi
4:30:45
↑ 23↓ 630.6%
24M
12:53/mi
4:43:37
↓ 821.3%
40K· 24.85 mi
12:53/mi
4:54:38
↓ 200.3%
25.2M
13:17/mi
4:59:13
↑ 13↓ 160.2%
Finish· 26.22 mi
10:48/mi
5:10:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:39
Pace10:57 /mi
2nd Half
Distance13.11 mi
Time2:46:34
Pace12:42 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:2032:5810:3732:58
10:37
-
10K
6.21 mi12:30:021:06:4010:4433:42
10:51
+0:14
15K
9.32 mi13:05:151:41:5310:5635:13
11:20
+0:29
20K
12.43 mi13:39:462:16:2410:5934:31
11:07
-0:13
Half
13.11 mi13:47:012:23:3910:577:15
10:38
-0:29
25K
15.53 mi14:16:312:53:0911:0929:30
12:10
+1:32
30K
18.64 mi14:56:593:33:3711:2840:28
13:01
+0:51
20M
20.00 mi15:14:083:50:4611:3217:09
12:37
-0:24
21M
21.00 mi15:27:514:04:2911:3913:43
13:43
+1:06
35K
21.75 mi15:37:124:13:5011:409:21
12:30
-1:13
23M
23.00 mi15:54:074:30:4511:4616:55
13:31
+1:01
24M
24.00 mi16:06:594:43:3711:4912:52
12:53
-0:38
40K
24.85 mi16:18:004:54:3811:5111:01
12:53
0:00
25.2M
25.20 mi16:22:354:59:1311:524:35
13:17
+0:24
Finish
26.22 mi16:33:355:10:1311:5011:00
10:48
-2:29

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

10:37 /mi

Average Pace

11:50 /mi

Slowest Pace

13:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:39

50% of race

Time at Steady Pace

2:00:21

39% of race

Time at Slower Pace

35:13

11% of race

Average Pace: 11:50 /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 mi11:56:2032:5810:3732:58
10:37
#26975
10K
6.21 mi12:30:021:06:4010:4433:42
10:51
#26892
15K
9.32 mi13:05:151:41:5310:5635:13
11:20
#26985
20K
12.43 mi13:39:462:16:2410:5934:31
11:07
#26743
Half
13.11 mi13:47:012:23:3910:577:15
10:38
#26706
25K
15.53 mi14:16:312:53:0911:0929:30
12:10
#26705
30K
18.64 mi14:56:593:33:3711:2840:28
13:01
#26729
20M
20.00 mi15:14:083:50:4611:3217:09
12:37
#26698
21M
21.00 mi15:27:514:04:2911:3913:43
13:43
#26668
35K
21.75 mi15:37:124:13:5011:409:21
12:30
#26665
23M
23.00 mi15:54:074:30:4511:4616:55
13:31
#26694
24M
24.00 mi16:06:594:43:3711:4912:52
12:53
#26706
40K
24.85 mi16:18:004:54:3811:5111:01
12:53
#26704
25.2M
25.20 mi16:22:354:59:1311:524:35
13:17
#26698
Finish
26.22 mi16:33:355:10:1311:5011:00
10:48
#26652
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26975113111131127064(Top 95%)11415(Top 93%)11415(Top 209%)
10K6.21 mi3.10 mi26892+8311277+3411277+3426848(Top 95%)11274(Top 92%)11274(Top 206%)
15K9.32 mi3.11 mi26985-9311351-7411351-7427064(Top 95%)11415(Top 93%)11415(Top 209%)
20K12.43 mi3.11 mi26743+24211205+14611205+14626163(Top 92%)10894(Top 89%)10894(Top 199%)
Half13.11 mi0.68 mi26706+3711180+2511180+2525975(Top 91%)10811(Top 88%)10811(Top 198%)
25K15.53 mi2.42 mi26705+111201-2111201-2126602(Top 94%)11193(Top 92%)11193(Top 205%)
30K18.64 mi3.11 mi26729-2411246-4511246-4526706(Top 94%)11339(Top 93%)11339(Top 207%)
20M20.00 mi1.36 mi26698+3111233+1311233+1326037(Top 92%)11034(Top 90%)11034(Top 202%)
21M21.00 mi1.00 mi26668+3011221+1211221+1225898(Top 91%)10994(Top 90%)10994(Top 201%)
35K21.75 mi0.75 mi26665+311231-1011231-1026444(Top 93%)11302(Top 92%)11302(Top 207%)
23M23.00 mi1.25 mi26694-2911262-3111262-3126885(Top 95%)11544(Top 94%)11544(Top 211%)
24M24.00 mi1.00 mi26706-1211274-1211274-1226708(Top 94%)11483(Top 94%)11483(Top 210%)
40K24.85 mi0.85 mi26704+211280-611280-626165(Top 92%)11224(Top 92%)11224(Top 205%)
25.2M25.20 mi0.35 mi26698+611278+211278+225381(Top 89%)10884(Top 89%)10884(Top 199%)
Finish26.22 mi1.02 mi26652+4611259+1911259+1924927(Top 88%)10626(Top 87%)10626(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

27064

Females

11415

F18-39

11415

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

26848

Females

11274

F18-39

11274

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

27064

Females

11415

F18-39

11415

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

26163

Females

10894

F18-39

10894

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25975

Females

10811

F18-39

10811

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

26602

Females

11193

F18-39

11193

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26706

Females

11339

F18-39

11339

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

26037

Females

11034

F18-39

11034

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25898

Females

10994

F18-39

10994

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

26444

Females

11302

F18-39

11302

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

26885

Females

11544

F18-39

11544

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

26708

Females

11483

F18-39

11483

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26165

Females

11224

F18-39

11224

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25381

Females

10884

F18-39

10884

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

24927

Females

10626

F18-39

10626

Passing Analysis

Category:
Athletes Passed
1010
Passed By
687
Net Change
+323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26975
5K → 10K197114+83#26975#26892
10K → 15K85178-93#26892#26985
15K → 20K25513+242#26985#26743
20K → Half436+37#26743#26706
Half → 25K9089+1#26706#26705
25K → 30K82106-24#26705#26729
30K → 20M5322+31#26729#26698
20M → 21M5222+30#26698#26668
21M → 35K2320+3#26668#26665
35K → 23M3261-29#26665#26694
23M → 24M1729-12#26694#26706
24M → 40K2422+2#26706#26704
40K → 25.2M82+6#26704#26698
25.2M → Finish493+46#26698#26652
TOTALS1010687+323
📊

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