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BOSTON MARATHON 2024

Brittany Saia

Bib: 12899•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 37%
Gender (Female)
#0 / 10924
Top 22%
Division (F18-39)
#0 / 4660
Top 37%
Race Day Weather
55°/45°F
scattered 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
7:23/mi
22:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:09:01
↑ 67↓ 78
20K· 12.43 mi
7:28/mi
1:32:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:37:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
1:56:20
↑ 66↓ 880.2%
30K· 18.64 mi
8:19/mi
2:22:11
↑ 181↓ 1480.2%
20M
8:33/mi
2:33:48
↑ 64↓ 500.2%
21M
9:32/mi
2:43:20
↑ 106↓ 241.6%
35K· 21.75 mi
8:52/mi
2:49:58
↑ 17↓ 861.7%
23M
8:55/mi
3:01:08
↑ 23↓ 630.6%
24M
8:48/mi
3:09:56
↓ 821.3%
40K· 24.85 mi
8:54/mi
3:17:33
↓ 200.3%
25.2M
9:57/mi
3:20:59
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
3:29:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:19
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:52:10
Pace8:33 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4622:577:2322:57
7:23
-
10K
6.21 mi11:15:5146:027:2523:05
7:26
+0:03
15K
9.32 mi11:38:501:09:017:2422:59
7:24
-0:02
20K
12.43 mi12:02:011:32:127:2523:11
7:28
+0:04
Half
13.11 mi12:07:081:37:197:255:07
7:30
+0:02
25K
15.53 mi12:26:091:56:207:2919:01
7:51
+0:21
30K
18.64 mi12:52:002:22:117:3825:51
8:19
+0:28
20M
20.00 mi13:03:372:33:487:4111:37
8:33
+0:14
21M
21.00 mi13:13:092:43:207:479:32
9:32
+0:59
35K
21.75 mi13:19:472:49:587:496:38
8:52
-0:40
23M
23.00 mi13:30:573:01:087:5311:10
8:55
+0:03
24M
24.00 mi13:39:453:09:567:558:48
8:48
-0:07
40K
24.85 mi13:47:223:17:337:577:37
8:54
+0:06
25.2M
25.20 mi13:50:483:20:597:593:26
9:57
+1:03
Finish
26.22 mi13:59:183:29:298:008:30
8:20
-1:37

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

7:23 /mi

Average Pace

8:00 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:20

56% of race

Time at Steady Pace

45:58

22% of race

Time at Slower Pace

47:11

23% of race

Average Pace: 7:59 /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 mi10:52:4622:577:2322:57
7:23
#9837
10K
6.21 mi11:15:5146:027:2523:05
7:26
#9698
15K
9.32 mi11:38:501:09:017:2422:59
7:24
#9392
20K
12.43 mi12:02:011:32:127:2523:11
7:28
#9007
Half
13.11 mi12:07:081:37:197:255:07
7:30
#9004
25K
15.53 mi12:26:091:56:207:2919:01
7:51
#8984
30K
18.64 mi12:52:002:22:117:3825:51
8:19
#9054
20M
20.00 mi13:03:372:33:487:4111:37
8:33
#9030
21M
21.00 mi13:13:092:43:207:479:32
9:32
#9082
35K
21.75 mi13:19:472:49:587:496:38
8:52
#9197
23M
23.00 mi13:30:573:01:087:5311:10
8:55
#9224
24M
24.00 mi13:39:453:09:567:558:48
8:48
#9307
40K
24.85 mi13:47:223:17:337:577:37
8:54
#9346
25.2M
25.20 mi13:50:483:20:597:593:26
9:57
#9377
Finish
26.22 mi13:59:183:29:298:008:30
8:20
#9421
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9837195219528893(Top 35%)1651(Top 15%)1651(Top 35%)
10K6.21 mi3.10 mi9698+1391912+401912+409665(Top 38%)1953(Top 18%)1953(Top 42%)
15K9.32 mi3.11 mi9392+3061806+1061806+1068893(Top 35%)1651(Top 15%)1651(Top 35%)
20K12.43 mi3.11 mi9007+3851671+1351671+1358122(Top 32%)1436(Top 13%)1436(Top 31%)
Half13.11 mi0.68 mi9004+31677-61677-69188(Top 36%)1920(Top 18%)1920(Top 41%)
25K15.53 mi2.42 mi8984+201707-301707-309223(Top 36%)2116(Top 19%)2116(Top 45%)
30K18.64 mi3.11 mi9054-701837-1301837-1309684(Top 38%)2541(Top 23%)2541(Top 55%)
20M20.00 mi1.36 mi9030+241890-531890-539714(Top 38%)2802(Top 26%)2802(Top 60%)
21M21.00 mi1.00 mi9082-521982-921982-9210998(Top 43%)3739(Top 34%)3739(Top 80%)
35K21.75 mi0.75 mi9197-1152066-842066-8412675(Top 50%)4621(Top 42%)4621(Top 99%)
23M23.00 mi1.25 mi9224-272147-812147-8110741(Top 42%)3765(Top 34%)3765(Top 81%)
24M24.00 mi1.00 mi9307-832236-892236-8911118(Top 44%)3968(Top 36%)3968(Top 85%)
40K24.85 mi0.85 mi9346-392296-602296-6010421(Top 41%)3756(Top 34%)3756(Top 81%)
25.2M25.20 mi0.35 mi9377-312329-332329-3310780(Top 42%)3973(Top 36%)3973(Top 85%)
Finish26.22 mi1.02 mi9421-442386-572386-5710614(Top 42%)3789(Top 35%)3789(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

8893

Females

1651

F18-39

1651

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

9665

Females

1953

F18-39

1953

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

8893

Females

1651

F18-39

1651

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8122

Females

1436

F18-39

1436

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9188

Females

1920

F18-39

1920

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9223

Females

2116

F18-39

2116

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

9684

Females

2541

F18-39

2541

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

9714

Females

2802

F18-39

2802

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

10998

Females

3739

F18-39

3739

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

12675

Females

4621

F18-39

4621

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

10741

Females

3765

F18-39

3765

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11118

Females

3968

F18-39

3968

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10421

Females

3756

F18-39

3756

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

10780

Females

3973

F18-39

3973

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

10614

Females

3789

F18-39

3789

Passing Analysis

Category:
Athletes Passed
2272
Passed By
1856
Net Change
+416
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9837
5K → 10K312173+139#9837#9698
10K → 15K36660+306#9698#9392
15K → 20K42035+385#9392#9007
20K → Half3532+3#9007#9004
Half → 25K207187+20#9004#8984
25K → 30K250320-70#8984#9054
30K → 20M135111+24#9054#9030
20M → 21M122174-52#9030#9082
21M → 35K43158-115#9082#9197
35K → 23M137164-27#9197#9224
23M → 24M67150-83#9224#9307
24M → 40K79118-39#9307#9346
40K → 25.2M3263-31#9346#9377
25.2M → Finish67111-44#9377#9421
TOTALS22721856+416
📊

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