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BOSTON MARATHON 2025

Emily Huston-Pounds

Bib: 18670•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 23%
Masters (Masters Women)
#0 / 6759
Top 10%
Division (F40-44)
#0 / 1718
Top 21%
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
7:54/mi
24:33
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:48
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:13:01
↑ 67↓ 78
20K· 12.43 mi
7:45/mi
1:37:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:42:22
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
2:01:17
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:25:41
↑ 181↓ 1480.2%
20M
7:45/mi
2:36:13
↑ 64↓ 500.2%
21M
7:54/mi
2:44:07
↑ 106↓ 241.6%
35K· 21.75 mi
7:30/mi
2:49:44
↑ 17↓ 861.7%
23M
7:35/mi
2:59:14
↑ 23↓ 630.6%
24M
7:21/mi
3:06:35
↓ 821.3%
40K· 24.85 mi
7:28/mi
3:12:58
↓ 200.3%
25.2M
7:58/mi
3:15:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:16/mi
3:23:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:42:22
Pace7:49 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:45
Pace7:41 /mi
📊Negative Split: 1.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1124:337:5424:33
7:54
-
10K
6.21 mi11:40:2648:487:5124:15
7:48
-0:06
15K
9.32 mi12:04:391:13:017:5024:13
7:48
0:00
20K
12.43 mi12:28:451:37:077:4924:06
7:45
-0:03
Half
13.11 mi12:34:001:42:227:495:15
7:42
-0:03
25K
15.53 mi12:52:552:01:177:4818:55
7:48
+0:06
30K
18.64 mi13:17:192:25:417:4924:24
7:51
+0:03
20M
20.00 mi13:27:512:36:137:4910:32
7:45
-0:06
21M
21.00 mi13:35:452:44:077:497:54
7:54
+0:09
35K
21.75 mi13:41:222:49:447:485:37
7:30
-0:24
23M
23.00 mi13:50:522:59:147:489:30
7:35
+0:05
24M
24.00 mi13:58:133:06:357:467:21
7:21
-0:14
40K
24.85 mi14:04:363:12:587:466:23
7:28
+0:07
25.2M
25.20 mi14:07:213:15:437:462:45
7:58
+0:30
Finish
26.22 mi14:14:453:23:077:457:24
7:16
-0:42

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

7:16 /mi

Average Pace

7:45 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:15

18% of race

Time at Steady Pace

2:46:52

82% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi11:16:1124:337:5424:33
7:54
#15701
10K
6.21 mi11:40:2648:487:5124:15
7:48
#15276
15K
9.32 mi12:04:391:13:017:5024:13
7:48
#14925
20K
12.43 mi12:28:451:37:077:4924:06
7:45
#14383
Half
13.11 mi12:34:001:42:227:495:15
7:42
#14308
25K
15.53 mi12:52:552:01:177:4818:55
7:48
#13948
30K
18.64 mi13:17:192:25:417:4924:24
7:51
#13225
20M
20.00 mi13:27:512:36:137:4910:32
7:45
#12817
21M
21.00 mi13:35:452:44:077:497:54
7:54
#12424
35K
21.75 mi13:41:222:49:447:485:37
7:30
#12255
23M
23.00 mi13:50:522:59:147:489:30
7:35
#11910
24M
24.00 mi13:58:133:06:357:467:21
7:21
#11625
40K
24.85 mi14:04:363:12:587:466:23
7:28
#11387
25.2M
25.20 mi14:07:213:15:437:462:45
7:58
#11252
Finish
26.22 mi14:14:453:23:077:457:24
7:16
#11063
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi157014953495314323(Top 50%)4211(Top 34%)4211(Top 245%)
10K6.21 mi3.10 mi15276+4254706+2474706+24714867(Top 52%)4455(Top 36%)4455(Top 259%)
15K9.32 mi3.11 mi14925+3514510+1964510+19614323(Top 50%)4211(Top 34%)4211(Top 245%)
20K12.43 mi3.11 mi14383+5424223+2874223+28712917(Top 45%)3496(Top 29%)3496(Top 203%)
Half13.11 mi0.68 mi14308+754182+414182+4113359(Top 47%)3670(Top 30%)3670(Top 214%)
25K15.53 mi2.42 mi13948+3604013+1694013+16912376(Top 44%)3316(Top 27%)3316(Top 193%)
30K18.64 mi3.11 mi13225+7233681+3323681+33210327(Top 36%)2450(Top 20%)2450(Top 143%)
20M20.00 mi1.36 mi12817+4083475+2063475+2068757(Top 31%)1869(Top 15%)1869(Top 109%)
21M21.00 mi1.00 mi12424+3933299+1763299+1766831(Top 24%)1246(Top 10%)1246(Top 73%)
35K21.75 mi0.75 mi12255+1693234+653234+658748(Top 31%)2027(Top 17%)2027(Top 118%)
23M23.00 mi1.25 mi11910+3453092+1423092+1427206(Top 25%)1497(Top 12%)1497(Top 87%)
24M24.00 mi1.00 mi11625+2852985+1072985+1076768(Top 24%)1377(Top 11%)1377(Top 80%)
40K24.85 mi0.85 mi11387+2382896+892896+896654(Top 23%)1419(Top 12%)1419(Top 83%)
25.2M25.20 mi0.35 mi11252+1352844+522844+525915(Top 21%)1241(Top 10%)1241(Top 72%)
Finish26.22 mi1.02 mi11063+1892778+662778+667547(Top 27%)1883(Top 15%)1883(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14323

Females

4211

F40-44

4211

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14867

Females

4455

F40-44

4455

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14323

Females

4211

F40-44

4211

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12917

Females

3496

F40-44

3496

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13359

Females

3670

F40-44

3670

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12376

Females

3316

F40-44

3316

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

10327

Females

2450

F40-44

2450

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8757

Females

1869

F40-44

1869

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6831

Females

1246

F40-44

1246

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8748

Females

2027

F40-44

2027

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

7206

Females

1497

F40-44

1497

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6768

Females

1377

F40-44

1377

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6654

Females

1419

F40-44

1419

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5915

Females

1241

F40-44

1241

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7547

Females

1883

F40-44

1883

Passing Analysis

Category:
Athletes Passed
4925
Passed By
287
Net Change
+4638
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15701
5K → 10K572147+425#15701#15276
10K → 15K42069+351#15276#14925
15K → 20K55614+542#14925#14383
20K → Half838+75#14383#14308
Half → 25K37818+360#14308#13948
25K → 30K73310+723#13948#13225
30K → 20M4080+408#13225#12817
20M → 21M3930+393#12817#12424
21M → 35K1712+169#12424#12255
35K → 23M3472+345#12255#11910
23M → 24M2872+285#11910#11625
24M → 40K2402+238#11625#11387
40K → 25.2M1372+135#11387#11252
25.2M → Finish20011+189#11252#11063
TOTALS4925287+4638
📊

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