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BOSTON MARATHON 2024

Claire Bird

Bib: 16914•F

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 44%
Gender (Female)
#0 / 10924
Top 31%
Masters (Masters Women)
#0 / 6263
Top 18%
Division (F45-49)
#0 / 1753
Top 21%
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
8:07/mi
25:14
↑ 97↓ 3451.5%
10K· 6.21 mi
8:15/mi
50:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:16:12
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:41:33
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:47:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:07:05
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:33:14
↑ 181↓ 1480.2%
20M
8:32/mi
2:44:50
↑ 64↓ 500.2%
21M
8:50/mi
2:53:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
2:59:50
↑ 17↓ 861.7%
23M
8:31/mi
3:10:30
↑ 23↓ 630.6%
24M
8:28/mi
3:18:58
↓ 821.3%
40K· 24.85 mi
8:44/mi
3:26:26
↓ 200.3%
25.2M
9:05/mi
3:29:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:39/mi
3:37:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:06
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:50:16
Pace8:25 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1825:148:0725:14
8:07
-
10K
6.21 mi11:42:5650:528:1125:38
8:15
+0:08
15K
9.32 mi12:08:161:16:128:1125:20
8:09
-0:06
20K
12.43 mi12:33:371:41:338:1025:21
8:10
+0:01
Half
13.11 mi12:39:101:47:068:105:33
8:08
-0:02
25K
15.53 mi12:59:092:07:058:1119:59
8:15
+0:07
30K
18.64 mi13:25:182:33:148:1326:09
8:25
+0:10
20M
20.00 mi13:36:542:44:508:1411:36
8:32
+0:07
21M
21.00 mi13:45:442:53:408:168:50
8:50
+0:18
35K
21.75 mi13:51:542:59:508:166:10
8:15
-0:35
23M
23.00 mi14:02:343:10:308:1710:40
8:31
+0:16
24M
24.00 mi14:11:023:18:588:178:28
8:28
-0:03
40K
24.85 mi14:18:303:26:268:187:28
8:44
+0:16
25.2M
25.20 mi14:21:383:29:348:193:08
9:05
+0:21
Finish
26.22 mi14:29:263:37:228:187:48
7:39
-1:26

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

7:39 /mi

Average Pace

8:18 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:03

65% of race

Time at Steady Pace

1:13:11

34% of race

Time at Slower Pace

3:08

1% of race

Average Pace: 8:17 /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 mi11:17:1825:148:0725:14
8:07
#15512
10K
6.21 mi11:42:5650:528:1125:38
8:15
#15672
15K
9.32 mi12:08:161:16:128:1125:20
8:09
#15193
20K
12.43 mi12:33:371:41:338:1025:21
8:10
#14552
Half
13.11 mi12:39:101:47:068:105:33
8:08
#14472
25K
15.53 mi12:59:092:07:058:1119:59
8:15
#13912
30K
18.64 mi13:25:182:33:148:1326:09
8:25
#13093
20M
20.00 mi13:36:542:44:508:1411:36
8:32
#12763
21M
21.00 mi13:45:442:53:408:168:50
8:50
#12426
35K
21.75 mi13:51:542:59:508:166:10
8:15
#12279
23M
23.00 mi14:02:343:10:308:1710:40
8:31
#12002
24M
24.00 mi14:11:023:18:588:178:28
8:28
#11860
40K
24.85 mi14:18:303:26:268:187:28
8:44
#11699
25.2M
25.20 mi14:21:383:29:348:193:08
9:05
#11586
Finish
26.22 mi14:29:263:37:228:187:48
7:39
#11312
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi155125256525614430(Top 56%)4618(Top 42%)4618(Top 263%)
10K6.21 mi3.10 mi15672-1605336-805336-8015820(Top 62%)5418(Top 50%)5418(Top 309%)
15K9.32 mi3.11 mi15193+4795069+2675069+26714430(Top 56%)4618(Top 42%)4618(Top 263%)
20K12.43 mi3.11 mi14552+6414682+3874682+38712894(Top 50%)3787(Top 35%)3787(Top 216%)
Half13.11 mi0.68 mi14472+804653+294653+2913617(Top 53%)4246(Top 39%)4246(Top 242%)
25K15.53 mi2.42 mi13912+5604348+3054348+30511630(Top 46%)3300(Top 30%)3300(Top 188%)
30K18.64 mi3.11 mi13093+8193972+3763972+37610224(Top 40%)2808(Top 26%)2808(Top 160%)
20M20.00 mi1.36 mi12763+3303837+1353837+1359656(Top 38%)2782(Top 25%)2782(Top 159%)
21M21.00 mi1.00 mi12426+3373703+1343703+1347803(Top 31%)2091(Top 19%)2091(Top 119%)
35K21.75 mi0.75 mi12279+1473664+393664+399264(Top 36%)2850(Top 26%)2850(Top 163%)
23M23.00 mi1.25 mi12002+2773574+903574+908609(Top 34%)2682(Top 25%)2682(Top 153%)
24M24.00 mi1.00 mi11860+1423538+363538+369287(Top 36%)3083(Top 28%)3083(Top 176%)
40K24.85 mi0.85 mi11699+1613507+313507+319581(Top 37%)3360(Top 31%)3360(Top 192%)
25.2M25.20 mi0.35 mi11586+1133461+463461+467032(Top 28%)2212(Top 20%)2212(Top 126%)
Finish26.22 mi1.02 mi11312+2743365+963365+966519(Top 26%)1905(Top 17%)1905(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14430

Females

4618

F45-49

4618

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

15820

Females

5418

F45-49

5418

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14430

Females

4618

F45-49

4618

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

12894

Females

3787

F45-49

3787

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

13617

Females

4246

F45-49

4246

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

11630

Females

3300

F45-49

3300

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10224

Females

2808

F45-49

2808

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

9656

Females

2782

F45-49

2782

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

7803

Females

2091

F45-49

2091

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9264

Females

2850

F45-49

2850

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

8609

Females

2682

F45-49

2682

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9287

Females

3083

F45-49

3083

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9581

Females

3360

F45-49

3360

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7032

Females

2212

F45-49

2212

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6519

Females

1905

F45-49

1905

Passing Analysis

Category:
Athletes Passed
4764
Passed By
564
Net Change
+4200
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15512
5K → 10K213373-160#15512#15672
10K → 15K51839+479#15672#15193
15K → 20K65615+641#15193#14552
20K → Half9414+80#14552#14472
Half → 25K57212+560#14472#13912
25K → 30K83112+819#13912#13093
30K → 20M34515+330#13093#12763
20M → 21M3403+337#12763#12426
21M → 35K15912+147#12426#12279
35K → 23M29215+277#12279#12002
23M → 24M16321+142#12002#11860
24M → 40K18120+161#11860#11699
40K → 25.2M1185+113#11699#11586
25.2M → Finish2828+274#11586#11312
TOTALS4764564+4200
📊

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