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BOSTON MARATHON 2024

Sacha Hourihan

NB

Bib: 10073 F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 21%
Gender (Female)
#0 / 10924
Top 7%
Division (F18-39)
#0 / 4660
Top 13%
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:10/mi
22:17
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:04/mi
44:15
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:07/mi
1:06:21
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:13/mi
1:28:45
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:08/mi
1:33:37
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:19/mi
1:51:22
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:30/mi
2:14:40
↑ 181↓ 1480.2%
138 ft elev
20M
7:38/mi
2:25:02
↑ 64↓ 500.2%
148 ft elev
21M
8:14/mi
2:33:16
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:26/mi
2:38:50
↑ 17↓ 861.7%
156 ft elev
23M
7:49/mi
2:48:37
↑ 23↓ 630.6%
116 ft elev
24M
7:43/mi
2:56:20
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:45/mi
3:02:58
↓ 200.3%
20 ft elev
25.2M
8:42/mi
3:05:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:35/mi
3:13:42
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:33:377:08 /mi⚡ faster
2nd Half
1:40:057:38 /mi+6.9%
Positive split — 6.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
22:177:103.11 mi22:17
7:10
-
10K
44:157:073.10 mi21:58
7:04
-0:06
15K
1:06:217:073.11 mi22:06
7:07
+0:03
20K
1:28:457:083.11 mi22:24
7:13
+0:06
Half(13.11 mi)
1:33:377:080.68 mi4:52
7:08
-0:05
25K
1:51:227:102.42 mi17:45
7:19
+0:11
30K
2:14:407:133.11 mi23:18
7:30
+0:11
20M
2:25:027:151.36 mi10:22
7:38
+0:08
21M
2:33:167:181.00 mi8:14
8:14
+0:36
35K
2:38:507:180.75 mi5:34
7:26
-0:48
23M
2:48:377:201.25 mi9:47
7:49
+0:23
24M
2:56:207:211.00 mi7:43
7:43
-0:06
40K
3:02:587:220.85 mi6:38
7:45
+0:02
25.2M
3:05:587:230.35 mi3:00
8:42
+0:57
Finish(26.22 mi)
3:13:427:241.02 mi7:44
7:35
-1:07
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:04 /mi

Average Pace

7:24 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:33:37

48% of race

Time at Steady Pace

1:12:26

37% of race

Time at Slower Pace

27:39

14% of race

Average Pace: 7:23 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi8207125412546890878878
10K3.10 mi7601+6061045+2091045+2097117912912
15K3.11 mi7330+271966+79966+796890878878
20K3.11 mi7046+284913+53913+536464819819
Half(13.11 mi)0.68 mi7013+33906+7906+76572847847
25K2.42 mi6746+267854+52854+525956791791
30K3.11 mi6323+423778+76778+765100670670
20M1.36 mi6135+188763+15763+154884699699
21M1.00 mi5966+169743+20743+205073911911
35K0.75 mi5859+107733+10733+104815813813
23M1.25 mi5692+167726+7726+74877955955
24M1.00 mi5596+96726726513711371137
40K0.85 mi5482+114718+8718+8458410121012
25.2M0.35 mi5447+35718718527713801380
Finish(26.22 mi)1.02 mi5398+49735-17735-17611617021702

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

6890

Females

878

F18-39

878

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7117

Females

912

F18-39

912

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

6890

Females

878

F18-39

878

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6464

Females

819

F18-39

819

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

6572

Females

847

F18-39

847

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

5956

Females

791

F18-39

791

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5100

Females

670

F18-39

670

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

4884

Females

699

F18-39

699

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5073

Females

911

F18-39

911

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

4815

Females

813

F18-39

813

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

4877

Females

955

F18-39

955

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5137

Females

1137

F18-39

1137

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4584

Females

1012

F18-39

1012

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5277

Females

1380

F18-39

1380

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6116

Females

1702

F18-39

1702

Passing Analysis

Category:
Passed
3221
Passed By
412
Net Change
+2809
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8207
5K → 10K64539+606#8207#7601
10K → 15K30332+271#7601#7330
15K → 20K32844+284#7330#7046
20K → Half5017+33#7046#7013
Half → 25K30033+267#7013#6746
25K → 30K45330+423#6746#6323
30K → 20M21830+188#6323#6135
20M → 21M19728+169#6135#5966
21M → 35K12619+107#5966#5859
35K → 23M19023+167#5859#5692
23M → 24M13135+96#5692#5596
24M → 40K13420+114#5596#5482
40K → 25.2M4712+35#5482#5447
25.2M → Finish9950+49#5447#5398
TOTALS3221412+2809

Passing Charts

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