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BOSTON MARATHON 2025

Sacha Hourihan

Bib: 13123•F

NB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 28%
Gender (Female)
#0 / 12228
Top 11%
Masters (Masters Women)
#0 / 6759
Top 3%
Division (F40-44)
#0 / 1718
Top 8%
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
7:14/mi
22:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
45:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:16/mi
1:07:40
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:30:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:35:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:18/mi
1:52:57
↑ 66↓ 880.2%
30K· 18.64 mi
7:29/mi
2:16:12
↑ 181↓ 1480.2%
20M
7:34/mi
2:26:29
↑ 64↓ 500.2%
21M
7:47/mi
2:34:16
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:39:45
↑ 17↓ 861.7%
23M
7:33/mi
2:49:12
↑ 23↓ 630.6%
24M
7:28/mi
2:56:40
↓ 821.3%
40K· 24.85 mi
7:31/mi
3:03:06
↓ 200.3%
25.2M
8:04/mi
3:05:53
↑ 13↓ 160.2%
Finish· 26.22 mi
7:08/mi
3:13:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:14
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:37:55
Pace7:28 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5222:277:1422:27
7:14
-
10K
6.21 mi11:14:3045:057:1522:38
7:17
+0:03
15K
9.32 mi11:37:051:07:407:1622:35
7:16
-0:01
20K
12.43 mi11:59:441:30:197:1622:39
7:17
+0:01
Half
13.11 mi12:04:391:35:147:164:55
7:12
-0:05
25K
15.53 mi12:22:221:52:577:1617:43
7:18
+0:06
30K
18.64 mi12:45:372:16:127:1823:15
7:29
+0:11
20M
20.00 mi12:55:542:26:297:1910:17
7:34
+0:05
21M
21.00 mi13:03:412:34:167:217:47
7:47
+0:13
35K
21.75 mi13:09:102:39:457:215:29
7:20
-0:27
23M
23.00 mi13:18:372:49:127:219:27
7:33
+0:13
24M
24.00 mi13:26:052:56:407:227:28
7:28
-0:05
40K
24.85 mi13:32:313:03:067:226:26
7:31
+0:03
25.2M
25.20 mi13:35:183:05:537:232:47
8:04
+0:33
Finish
26.22 mi13:42:343:13:097:227:16
7:08
-0:56

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

7:08 /mi

Average Pace

7:22 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:22

99% of race

Time at Steady Pace

2:47

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:22 /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 mi10:51:5222:277:1422:27
7:14
#9695
10K
6.21 mi11:14:3045:057:1522:38
7:17
#9944
15K
9.32 mi11:37:051:07:407:1622:35
7:16
#9851
20K
12.43 mi11:59:441:30:197:1622:39
7:17
#9573
Half
13.11 mi12:04:391:35:147:164:55
7:12
#9546
25K
15.53 mi12:22:221:52:577:1617:43
7:18
#9323
30K
18.64 mi12:45:372:16:127:1823:15
7:29
#8899
20M
20.00 mi12:55:542:26:297:1910:17
7:34
#8738
21M
21.00 mi13:03:412:34:167:217:47
7:47
#8512
35K
21.75 mi13:09:102:39:457:215:29
7:20
#8431
23M
23.00 mi13:18:372:49:127:219:27
7:33
#8273
24M
24.00 mi13:26:052:56:407:227:28
7:28
#8194
40K
24.85 mi13:32:313:03:067:226:26
7:31
#8120
25.2M
25.20 mi13:35:183:05:537:232:47
8:04
#8068
Finish
26.22 mi13:42:343:13:097:227:16
7:08
#7954
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi9695166916699731(Top 34%)1763(Top 14%)1763(Top 103%)
10K6.21 mi3.10 mi9944-2491777-1081777-10810230(Top 36%)1923(Top 16%)1923(Top 112%)
15K9.32 mi3.11 mi9851+931773+41773+49731(Top 34%)1763(Top 14%)1763(Top 103%)
20K12.43 mi3.11 mi9573+2781676+971676+978990(Top 32%)1517(Top 12%)1517(Top 88%)
Half13.11 mi0.68 mi9546+271671+51671+59181(Top 32%)1566(Top 13%)1566(Top 91%)
25K15.53 mi2.42 mi9323+2231592+791592+798428(Top 30%)1391(Top 11%)1391(Top 81%)
30K18.64 mi3.11 mi8899+4241468+1241468+1247648(Top 27%)1251(Top 10%)1251(Top 73%)
20M20.00 mi1.36 mi8738+1611435+331435+337474(Top 26%)1331(Top 11%)1331(Top 77%)
21M21.00 mi1.00 mi8512+2261371+641371+646132(Top 22%)977(Top 8%)977(Top 57%)
35K21.75 mi0.75 mi8431+811367+41367+47446(Top 26%)1468(Top 12%)1468(Top 85%)
23M23.00 mi1.25 mi8273+1581339+281339+286925(Top 24%)1363(Top 11%)1363(Top 79%)
24M24.00 mi1.00 mi8194+791348-91348-97478(Top 26%)1646(Top 13%)1646(Top 96%)
40K24.85 mi0.85 mi8120+741350-21350-26962(Top 25%)1533(Top 13%)1533(Top 89%)
25.2M25.20 mi0.35 mi8068+521345+51345+56391(Top 23%)1394(Top 11%)1394(Top 81%)
Finish26.22 mi1.02 mi7954+1141333+121333+126605(Top 23%)1491(Top 12%)1491(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9731

Females

1763

F40-44

1763

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10230

Females

1923

F40-44

1923

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9731

Females

1763

F40-44

1763

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8990

Females

1517

F40-44

1517

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

9181

Females

1566

F40-44

1566

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8428

Females

1391

F40-44

1391

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7648

Females

1251

F40-44

1251

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7474

Females

1331

F40-44

1331

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6132

Females

977

F40-44

977

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7446

Females

1468

F40-44

1468

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6925

Females

1363

F40-44

1363

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7478

Females

1646

F40-44

1646

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6962

Females

1533

F40-44

1533

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6391

Females

1394

F40-44

1394

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6605

Females

1491

F40-44

1491

Passing Analysis

Category:
Athletes Passed
2577
Passed By
835
Net Change
+1741
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9695
5K → 10K134382-249#9695#9944
10K → 15K220127+93#9944#9851
15K → 20K32951+278#9851#9573
20K → Half4720+27#9573#9546
Half → 25K25936+223#9546#9323
25K → 30K46743+424#9323#8899
30K → 20M18524+161#8899#8738
20M → 21M23610+226#8738#8512
21M → 35K10120+81#8512#8431
35K → 23M18931+158#8431#8273
23M → 24M11637+79#8273#8194
24M → 40K9824+74#8194#8120
40K → 25.2M597+52#8120#8068
25.2M → Finish13723+114#8068#7954
TOTALS2577835+1741
📊

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