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BOSTON MARATHON 2024

Brittney Forster

Bib: 9777•F

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 32%
Gender (Female)
#0 / 10924
Top 17%
Masters (Masters Women)
#0 / 6263
Top 7%
Division (F45-49)
#0 / 1753
Top 7%
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
7:17/mi
22:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
45:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:07:56
↑ 67↓ 78
20K· 12.43 mi
7:21/mi
1:30:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:35:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:45/mi
1:54:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:20:54
↑ 181↓ 1480.2%
20M
9:10/mi
2:33:22
↑ 64↓ 500.2%
21M
10:05/mi
2:43:27
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:49:27
↑ 17↓ 861.7%
23M
8:33/mi
3:00:09
↑ 23↓ 630.6%
24M
7:49/mi
3:07:58
↓ 821.3%
40K· 24.85 mi
7:44/mi
3:14:35
↓ 200.3%
25.2M
8:56/mi
3:17:40
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:25:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:42
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:49:33
Pace8:21 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1922:377:1722:37
7:17
-
10K
6.21 mi11:10:5845:167:1722:39
7:17
0:00
15K
9.32 mi11:33:381:07:567:1722:40
7:18
+0:01
20K
12.43 mi11:56:271:30:457:1822:49
7:21
+0:03
Half
13.11 mi12:01:241:35:427:184:57
7:15
-0:06
25K
15.53 mi12:20:121:54:307:2218:48
7:45
+0:30
30K
18.64 mi12:46:362:20:547:3426:24
8:30
+0:45
20M
20.00 mi12:59:042:33:227:4012:28
9:10
+0:40
21M
21.00 mi13:09:092:43:277:4710:05
10:05
+0:55
35K
21.75 mi13:15:092:49:277:476:00
8:01
-2:04
23M
23.00 mi13:25:513:00:097:5010:42
8:33
+0:32
24M
24.00 mi13:33:403:07:587:507:49
7:49
-0:44
40K
24.85 mi13:40:173:14:357:506:37
7:44
-0:05
25.2M
25.20 mi13:43:223:17:407:513:05
8:56
+1:12
Finish
26.22 mi13:50:573:25:157:507:35
7:26
-1:30

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

7:15 /mi

Average Pace

7:50 /mi

Slowest Pace

10:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:53

36% of race

Time at Steady Pace

1:09:38

34% of race

Time at Slower Pace

1:02:44

31% of race

Average Pace: 7:50 /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 mi10:48:1922:377:1722:37
7:17
#9033
10K
6.21 mi11:10:5845:167:1722:39
7:17
#8794
15K
9.32 mi11:33:381:07:567:1722:40
7:18
#8534
20K
12.43 mi11:56:271:30:457:1822:49
7:21
#8147
Half
13.11 mi12:01:241:35:427:184:57
7:15
#8087
25K
15.53 mi12:20:121:54:307:2218:48
7:45
#8100
30K
18.64 mi12:46:362:20:547:3426:24
8:30
#8544
20M
20.00 mi12:59:042:33:227:4012:28
9:10
#8886
21M
21.00 mi13:09:092:43:277:4710:05
10:05
#9124
35K
21.75 mi13:15:092:49:277:476:00
8:01
#9026
23M
23.00 mi13:25:513:00:097:5010:42
8:33
#8909
24M
24.00 mi13:33:403:07:587:507:49
7:49
#8720
40K
24.85 mi13:40:173:14:357:506:37
7:44
#8491
25.2M
25.20 mi13:43:223:17:407:513:05
8:56
#8406
Finish
26.22 mi13:50:573:25:157:507:35
7:26
#8244
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi9033159415948153(Top 32%)1334(Top 12%)1334(Top 76%)
10K6.21 mi3.10 mi8794+2391530+641530+648611(Top 34%)1477(Top 14%)1477(Top 84%)
15K9.32 mi3.11 mi8534+2601430+1001430+1008153(Top 32%)1334(Top 12%)1334(Top 76%)
20K12.43 mi3.11 mi8147+3871304+1261304+1267291(Top 29%)1114(Top 10%)1114(Top 64%)
Half13.11 mi0.68 mi8087+601285+191285+197422(Top 29%)1157(Top 11%)1157(Top 66%)
25K15.53 mi2.42 mi8100-131331-461331-468663(Top 34%)1852(Top 17%)1852(Top 106%)
30K18.64 mi3.11 mi8544-4441606-2751606-27510648(Top 42%)3013(Top 28%)3013(Top 172%)
20M20.00 mi1.36 mi8886-3421818-2121818-21212993(Top 51%)4567(Top 42%)4567(Top 261%)
21M21.00 mi1.00 mi9124-2382005-1872005-18713316(Top 52%)4948(Top 45%)4948(Top 282%)
35K21.75 mi0.75 mi9026+981980+251980+257947(Top 31%)2197(Top 20%)2197(Top 125%)
23M23.00 mi1.25 mi8909+1171998-181998-188732(Top 34%)2731(Top 25%)2731(Top 156%)
24M24.00 mi1.00 mi8720+1891949+491949+495671(Top 22%)1381(Top 13%)1381(Top 79%)
40K24.85 mi0.85 mi8491+2291891+581891+584532(Top 18%)1000(Top 9%)1000(Top 57%)
25.2M25.20 mi0.35 mi8406+851884+71884+76332(Top 25%)1863(Top 17%)1863(Top 106%)
Finish26.22 mi1.02 mi8244+1621852+321852+325319(Top 21%)1332(Top 12%)1332(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8153

Females

1334

F45-49

1334

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

8611

Females

1477

F45-49

1477

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8153

Females

1334

F45-49

1334

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7291

Females

1114

F45-49

1114

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

7422

Females

1157

F45-49

1157

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8663

Females

1852

F45-49

1852

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

10648

Females

3013

F45-49

3013

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

12993

Females

4567

F45-49

4567

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13316

Females

4948

F45-49

4948

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

7947

Females

2197

F45-49

2197

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

8732

Females

2731

F45-49

2731

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5671

Females

1381

F45-49

1381

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4532

Females

1000

F45-49

1000

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6332

Females

1863

F45-49

1863

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5319

Females

1332

F45-49

1332

Passing Analysis

Category:
Athletes Passed
2656
Passed By
1867
Net Change
+789
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9033
5K → 10K373134+239#9033#8794
10K → 15K32262+260#8794#8534
15K → 20K41831+387#8534#8147
20K → Half666+60#8147#8087
Half → 25K193206-13#8087#8100
25K → 30K142586-444#8100#8544
30K → 20M52394-342#8544#8886
20M → 21M72310-238#8886#9124
21M → 35K12022+98#9124#9026
35K → 23M20184+117#9026#8909
23M → 24M1967+189#8909#8720
24M → 40K2334+229#8720#8491
40K → 25.2M949+85#8491#8406
25.2M → Finish17412+162#8406#8244
TOTALS26561867+789
📊

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