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BOSTON MARATHON 2024

Brittany Downs

Bib: 12308•F

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Overall
#0 / 25550
Top 35%
Gender (Female)
#0 / 10924
Top 19%
Division (F18-39)
#0 / 4660
Top 34%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:53
Rank: #14712
Start → 5K
24:53 | 8:01/mi
10K· 6.21 mi
49:56
Rank: #14681 (+31)
5K → 10K
25:03 | 8:04/mi
15K· 9.32 mi
1:14:38
Rank: #14103 (+578)
10K → 15K
24:42 | 7:57/mi
20K· 12.43 mi
1:38:43
Rank: #12963 (+1140)
15K → 20K
24:05 | 7:45/mi
Half· 13.11 mi
1:43:53
Rank: #12786 (+177)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
2:03:17
Rank: #12246 (+540)
Half → 25K
19:24 | 8:00/mi
30K· 18.64 mi
2:27:27
Rank: #11012 (+1234)
25K → 30K
24:10 | 7:47/mi
20M
2:38:10
Rank: #10564 (+448)
30K → 20M
10:43 | 7:53/mi
21M
2:46:25
Rank: #10119 (+445)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:52:14
Rank: #9938 (+181)
21M → 35K
5:49 | 7:46/mi
23M
3:02:24
Rank: #9629 (+309)
35K → 23M
10:10 | 8:07/mi
24M
3:10:11
Rank: #9375 (+254)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
3:17:01
Rank: #9196 (+179)
24M → 40K
6:50 | 8:00/mi
25.2M
3:20:00
Rank: #9076 (+120)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:27:32
Rank: #8846 (+230)
25.2M → Finish
7:32 | 7:24/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:53
Pace7:55 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:39
Pace7:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5424:538:0124:53
8:01
-
10K
6.21 mi11:18:5749:568:0225:03
8:04
+0:03
15K
9.32 mi11:43:391:14:388:0024:42
7:57
-0:07
20K
12.43 mi12:07:441:38:437:5724:05
7:45
-0:12
Half
13.11 mi12:12:541:43:537:555:10
7:34
-0:11
25K
15.53 mi12:32:182:03:177:5619:24
8:00
+0:26
30K
18.64 mi12:56:282:27:277:5524:10
7:47
-0:13
20M
20.00 mi13:07:112:38:107:5410:43
7:53
+0:06
21M
21.00 mi13:15:262:46:257:558:15
8:15
+0:22
35K
21.75 mi13:21:152:52:147:555:49
7:46
-0:29
23M
23.00 mi13:31:253:02:247:5610:10
8:07
+0:21
24M
24.00 mi13:39:123:10:117:557:47
7:47
-0:20
40K
24.85 mi13:46:023:17:017:566:50
8:00
+0:13
25.2M
25.20 mi13:49:013:20:007:562:59
8:39
+0:39
Finish
26.22 mi13:56:333:27:327:557:32
7:24
-1:15

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

7:24 /mi

Average Pace

7:55 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:18

95% of race

Time at Steady Pace

11:14

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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 mi10:53:5424:538:0124:53
8:01
#14712
10K
6.21 mi11:18:5749:568:0225:03
8:04
#14681
15K
9.32 mi11:43:391:14:388:0024:42
7:57
#14103
20K
12.43 mi12:07:441:38:437:5724:05
7:45
#12963
Half
13.11 mi12:12:541:43:537:555:10
7:34
#12786
25K
15.53 mi12:32:182:03:177:5619:24
8:00
#12246
30K
18.64 mi12:56:282:27:277:5524:10
7:47
#11012
20M
20.00 mi13:07:112:38:107:5410:43
7:53
#10564
21M
21.00 mi13:15:262:46:257:558:15
8:15
#10119
35K
21.75 mi13:21:152:52:147:555:49
7:46
#9938
23M
23.00 mi13:31:253:02:247:5610:10
8:07
#9629
24M
24.00 mi13:39:123:10:117:557:47
7:47
#9375
40K
24.85 mi13:46:023:17:017:566:50
8:00
#9196
25.2M
25.20 mi13:49:013:20:007:562:59
8:39
#9076
Finish
26.22 mi13:56:333:27:327:557:32
7:24
#8846
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147124758475813083(Top 51%)3841(Top 35%)3841(Top 82%)
10K6.21 mi3.10 mi14681+314736+224736+2214648(Top 57%)4708(Top 43%)4708(Top 101%)
15K9.32 mi3.11 mi14103+5784402+3344402+33413083(Top 51%)3841(Top 35%)3841(Top 82%)
20K12.43 mi3.11 mi12963+11403748+6543748+65410093(Top 40%)2370(Top 22%)2370(Top 51%)
Half13.11 mi0.68 mi12786+1773659+893659+899703(Top 38%)2158(Top 20%)2158(Top 46%)
25K15.53 mi2.42 mi12246+5403398+2613398+26110207(Top 40%)2577(Top 24%)2577(Top 55%)
30K18.64 mi3.11 mi11012+12342834+5642834+5646598(Top 26%)1200(Top 11%)1200(Top 26%)
20M20.00 mi1.36 mi10564+4482659+1752659+1756178(Top 24%)1212(Top 11%)1212(Top 26%)
21M21.00 mi1.00 mi10119+4452491+1682491+1685158(Top 20%)959(Top 9%)959(Top 21%)
35K21.75 mi0.75 mi9938+1812440+512440+516508(Top 25%)1531(Top 14%)1531(Top 33%)
23M23.00 mi1.25 mi9629+3092346+942346+946395(Top 25%)1635(Top 15%)1635(Top 35%)
24M24.00 mi1.00 mi9375+2542266+802266+805501(Top 22%)1314(Top 12%)1314(Top 28%)
40K24.85 mi0.85 mi9196+1792222+442222+445793(Top 23%)1573(Top 14%)1573(Top 34%)
25.2M25.20 mi0.35 mi9076+1202188+342188+345129(Top 20%)1330(Top 12%)1330(Top 29%)
Finish26.22 mi1.02 mi8846+2302109+792109+795039(Top 20%)1223(Top 11%)1223(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13083

Females

3841

F18-39

3841

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

14648

Females

4708

F18-39

4708

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13083

Females

3841

F18-39

3841

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10093

Females

2370

F18-39

2370

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

9703

Females

2158

F18-39

2158

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10207

Females

2577

F18-39

2577

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6598

Females

1200

F18-39

1200

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6178

Females

1212

F18-39

1212

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5158

Females

959

F18-39

959

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6508

Females

1531

F18-39

1531

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6395

Females

1635

F18-39

1635

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5501

Females

1314

F18-39

1314

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

5793

Females

1573

F18-39

1573

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5129

Females

1330

F18-39

1330

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5039

Females

1223

F18-39

1223

Passing Analysis

Category:
Athletes Passed
6243*
Passed By
377
Net Change
+5866
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14712
5K → 10K301270+31#14712#14681
10K → 15K61133+578#14681#14103
15K → 20K11411+1140#14103#12963
20K → Half1803+177#12963#12786
Half → 25K55818+540#12786#12246
25K → 30K12340+1234#12246#11012
30K → 20M4513+448#11012#10564
20M → 21M4461+445#10564#10119
21M → 35K187*6+181#10119#9938
35K → 23M32112+309#9938#9629
23M → 24M260*6+254#9629#9375
24M → 40K19516+179#9375#9196
40K → 25.2M1233+120#9196#9076
25.2M → Finish2355+230#9076#8846
TOTALS6243*377+5866

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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