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BOSTON MARATHON 2024

Britney Giles

Bib: 14838•F

AZ

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 46%
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:32
Rank: #13868
Start → 5K
24:32 | 7:54/mi
10K· 6.21 mi
50:01
Rank: #14775 (-907)
5K → 10K
25:29 | 8:12/mi
15K· 9.32 mi
1:14:34
Rank: #14066 (+709)
10K → 15K
24:33 | 7:54/mi
20K· 12.43 mi
1:40:05
Rank: #13786 (+280)
15K → 20K
25:31 | 8:13/mi
Half· 13.11 mi
1:45:31
Rank: #13702 (+84)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:06:47
Rank: #13802 (-100)
Half → 25K
21:16 | 8:46/mi
30K· 18.64 mi
2:34:38
Rank: #13589 (+213)
25K → 30K
27:51 | 8:58/mi
20M
2:46:55
Rank: #13435 (+154)
30K → 20M
12:17 | 9:02/mi
21M
2:56:54
Rank: #13362 (+73)
20M → 21M
9:59 | 9:59/mi
35K· 21.75 mi
3:04:01
Rank: #13467 (-105)
21M → 35K
7:07 | 9:31/mi
23M
3:17:12
Rank: #13794 (-327)
35K → 23M
13:11 | 10:32/mi
24M
3:29:45
Rank: #14545 (-751)
23M → 24M
12:33 | 12:33/mi
40K· 24.85 mi
3:38:20
Rank: #14550 (-5)
24M → 40K
8:35 | 10:02/mi
25.2M
3:41:51
Rank: #14491 (+59)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:50:50
Rank: #14435 (+56)
25.2M → Finish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:31
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time2:05:19
Pace9:34 /mi
📊Positive Split: 18.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5724:327:5424:32
7:54
-
10K
6.21 mi11:21:2650:018:0325:29
8:12
+0:18
15K
9.32 mi11:45:591:14:348:0024:33
7:54
-0:18
20K
12.43 mi12:11:301:40:058:0325:31
8:13
+0:19
Half
13.11 mi12:16:561:45:318:035:26
7:58
-0:15
25K
15.53 mi12:38:122:06:478:1021:16
8:46
+0:48
30K
18.64 mi13:06:032:34:388:1827:51
8:58
+0:12
20M
20.00 mi13:18:202:46:558:2112:17
9:02
+0:04
21M
21.00 mi13:28:192:56:548:259:59
9:59
+0:57
35K
21.75 mi13:35:263:04:018:287:07
9:31
-0:28
23M
23.00 mi13:48:373:17:128:3413:11
10:32
+1:01
24M
24.00 mi14:01:103:29:458:4412:33
12:33
+2:01
40K
24.85 mi14:09:453:38:208:478:35
10:02
-2:31
25.2M
25.20 mi14:13:163:41:518:483:31
10:12
+0:10
Finish
26.22 mi14:22:153:50:508:498:59
8:49
-1:23

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

7:54 /mi

Average Pace

8:49 /mi

Slowest Pace

12:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:31

46% of race

Time at Steady Pace

1:17:30

34% of race

Time at Slower Pace

47:49

21% of race

Average Pace: 8:48 /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 mi10:55:5724:327:5424:32
7:54
#13868
10K
6.21 mi11:21:2650:018:0325:29
8:12
#14775
15K
9.32 mi11:45:591:14:348:0024:33
7:54
#14066
20K
12.43 mi12:11:301:40:058:0325:31
8:13
#13786
Half
13.11 mi12:16:561:45:318:035:26
7:58
#13702
25K
15.53 mi12:38:122:06:478:1021:16
8:46
#13802
30K
18.64 mi13:06:032:34:388:1827:51
8:58
#13589
20M
20.00 mi13:18:202:46:558:2112:17
9:02
#13435
21M
21.00 mi13:28:192:56:548:259:59
9:59
#13362
35K
21.75 mi13:35:263:04:018:287:07
9:31
#13467
23M
23.00 mi13:48:373:17:128:3413:11
10:32
#13794
24M
24.00 mi14:01:103:29:458:4412:33
12:33
#14545
40K
24.85 mi14:09:453:38:208:478:35
10:02
#14550
25.2M
25.20 mi14:13:163:41:518:483:31
10:12
#14491
Finish
26.22 mi14:22:153:50:508:498:59
8:49
#14435
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138684231423112722(Top 50%)3641(Top 33%)3641(Top 78%)
10K6.21 mi3.10 mi14775-9074800-5694800-56915561(Top 61%)5256(Top 48%)5256(Top 113%)
15K9.32 mi3.11 mi14066+7094381+4194381+41912722(Top 50%)3641(Top 33%)3641(Top 78%)
20K12.43 mi3.11 mi13786+2804238+1434238+14313231(Top 52%)3968(Top 36%)3968(Top 85%)
Half13.11 mi0.68 mi13702+844187+514187+5112593(Top 49%)3670(Top 34%)3670(Top 79%)
25K15.53 mi2.42 mi13802-1004281-944281-9414439(Top 57%)4860(Top 44%)4860(Top 104%)
30K18.64 mi3.11 mi13589+2134246+354246+3513071(Top 51%)4321(Top 40%)4321(Top 93%)
20M20.00 mi1.36 mi13435+1544233+134233+1312349(Top 48%)4218(Top 39%)4218(Top 91%)
21M21.00 mi1.00 mi13362+734245-124245-1212923(Top 51%)4750(Top 43%)4750(Top 102%)
35K21.75 mi0.75 mi13467-1054338-934338-9315547(Top 61%)6110(Top 56%)6110(Top 131%)
23M23.00 mi1.25 mi13794-3274574-2364574-23617130(Top 67%)6969(Top 64%)6969(Top 150%)
24M24.00 mi1.00 mi14545-7515048-4745048-47422364(Top 88%)9609(Top 88%)9609(Top 206%)
40K24.85 mi0.85 mi14550-55084-365084-3615144(Top 59%)6073(Top 56%)6073(Top 130%)
25.2M25.20 mi0.35 mi14491+595065+195065+1911780(Top 46%)4490(Top 41%)4490(Top 96%)
Finish26.22 mi1.02 mi14435+565052+135052+1313269(Top 52%)5100(Top 47%)5100(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

12722

Females

3641

F18-39

3641

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

15561

Females

5256

F18-39

5256

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

12722

Females

3641

F18-39

3641

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13231

Females

3968

F18-39

3968

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12593

Females

3670

F18-39

3670

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

14439

Females

4860

F18-39

4860

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13071

Females

4321

F18-39

4321

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12349

Females

4218

F18-39

4218

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

12923

Females

4750

F18-39

4750

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

15547

Females

6110

F18-39

6110

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17130

Females

6969

F18-39

6969

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

22364

Females

9609

F18-39

9609

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15144

Females

6073

F18-39

6073

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

11780

Females

4490

F18-39

4490

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13269

Females

5100

F18-39

5100

Passing Analysis

Category:
Athletes Passed
2592
Passed By
3159
Net Change
-567
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13868
5K → 10K68975-907#13868#14775
10K → 15K72617+709#14775#14066
15K → 20K383103+280#14066#13786
20K → Half906+84#13786#13702
Half → 25K178278-100#13702#13802
25K → 30K392179+213#13802#13589
30K → 20M21864+154#13589#13435
20M → 21M16390+73#13435#13362
21M → 35K59164-105#13362#13467
35K → 23M40367-327#13467#13794
23M → 24M17768-751#13794#14545
24M → 40K8893-5#14545#14550
40K → 25.2M7213+59#14550#14491
25.2M → Finish9842+56#14491#14435
TOTALS25923159-567
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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