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BOSTON MARATHON 2024

Rebecca Macbride

Bib: 21617•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 41%
Gender (Female)
#0 / 10924
Top 26%
Masters (Masters Women)
#0 / 6263
Top 14%
Division (F45-49)
#0 / 1753
Top 16%
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
8:17/mi
25:43
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
51:13
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:16:28
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:41:47
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:47:14
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:07:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:32:34
↑ 181↓ 1480.2%
20M
8:11/mi
2:43:41
↑ 64↓ 500.2%
21M
8:46/mi
2:52:27
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:58:25
↑ 17↓ 861.7%
23M
8:04/mi
3:08:31
↑ 23↓ 630.6%
24M
7:44/mi
3:16:15
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:22:57
↓ 200.3%
25.2M
8:36/mi
3:25:55
↑ 13↓ 160.2%
Finish· 26.22 mi
7:17/mi
3:33:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:47:14
Pace8:11 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:46:06
Pace8:06 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3525:438:1725:43
8:17
-
10K
6.21 mi11:47:0551:138:1525:30
8:12
-0:05
15K
9.32 mi12:12:201:16:288:1225:15
8:08
-0:04
20K
12.43 mi12:37:391:41:478:1125:19
8:09
+0:01
Half
13.11 mi12:43:061:47:148:115:27
7:59
-0:10
25K
15.53 mi13:02:592:07:078:1119:53
8:12
+0:13
30K
18.64 mi13:28:262:32:348:1125:27
8:11
-0:01
20M
20.00 mi13:39:332:43:418:1111:07
8:11
0:00
21M
21.00 mi13:48:192:52:278:138:46
8:46
+0:35
35K
21.75 mi13:54:172:58:258:125:58
7:59
-0:47
23M
23.00 mi14:04:233:08:318:1210:06
8:04
+0:05
24M
24.00 mi14:12:073:16:158:117:44
7:44
-0:20
40K
24.85 mi14:18:493:22:578:106:42
7:50
+0:06
25.2M
25.20 mi14:21:473:25:558:102:58
8:36
+0:46
Finish
26.22 mi14:29:123:33:208:097:25
7:17
-1:19

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

7:17 /mi

Average Pace

8:09 /mi

Slowest Pace

8:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:16

16% of race

Time at Steady Pace

2:48:20

79% of race

Time at Slower Pace

11:44

6% of race

Average Pace: 8:08 /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 mi11:21:3525:438:1725:43
8:17
#16494
10K
6.21 mi11:47:0551:138:1525:30
8:12
#16000
15K
9.32 mi12:12:201:16:288:1225:15
8:08
#15380
20K
12.43 mi12:37:391:41:478:1125:19
8:09
#14662
Half
13.11 mi12:43:061:47:148:115:27
7:59
#14547
25K
15.53 mi13:02:592:07:078:1119:53
8:12
#13922
30K
18.64 mi13:28:262:32:348:1125:27
8:11
#12866
20M
20.00 mi13:39:332:43:418:1111:07
8:11
#12427
21M
21.00 mi13:48:192:52:278:138:46
8:46
#12067
35K
21.75 mi13:54:172:58:258:125:58
7:59
#11881
23M
23.00 mi14:04:233:08:318:1210:06
8:04
#11438
24M
24.00 mi14:12:073:16:158:117:44
7:44
#11083
40K
24.85 mi14:18:493:22:578:106:42
7:50
#10785
25.2M
25.20 mi14:21:473:25:558:102:58
8:36
#10654
Finish
26.22 mi14:29:123:33:208:097:25
7:17
#10348
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi164945858585814260(Top 56%)4522(Top 41%)4522(Top 258%)
10K6.21 mi3.10 mi16000+4945534+3245534+32415588(Top 61%)5268(Top 48%)5268(Top 301%)
15K9.32 mi3.11 mi15380+6205176+3585176+35814260(Top 56%)4522(Top 41%)4522(Top 258%)
20K12.43 mi3.11 mi14662+7184752+4244752+42412826(Top 50%)3749(Top 34%)3749(Top 214%)
Half13.11 mi0.68 mi14547+1154696+564696+5612687(Top 50%)3694(Top 34%)3694(Top 211%)
25K15.53 mi2.42 mi13922+6254356+3404356+34011372(Top 45%)3159(Top 29%)3159(Top 180%)
30K18.64 mi3.11 mi12866+10563830+5263830+5268976(Top 35%)2205(Top 20%)2205(Top 126%)
20M20.00 mi1.36 mi12427+4393641+1893641+1897756(Top 30%)1880(Top 17%)1880(Top 107%)
21M21.00 mi1.00 mi12067+3603505+1363505+1367505(Top 29%)1950(Top 18%)1950(Top 111%)
35K21.75 mi0.75 mi11881+1863427+783427+787693(Top 30%)2092(Top 19%)2092(Top 119%)
23M23.00 mi1.25 mi11438+4433269+1583269+1586117(Top 24%)1508(Top 14%)1508(Top 86%)
24M24.00 mi1.00 mi11083+3553129+1403129+1405242(Top 21%)1189(Top 11%)1189(Top 68%)
40K24.85 mi0.85 mi10785+2983018+1113018+1115004(Top 20%)1200(Top 11%)1200(Top 68%)
25.2M25.20 mi0.35 mi10654+1312976+422976+424946(Top 19%)1249(Top 11%)1249(Top 71%)
Finish26.22 mi1.02 mi10348+3062852+1242852+1244438(Top 17%)961(Top 9%)961(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14260

Females

4522

F45-49

4522

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

15588

Females

5268

F45-49

5268

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14260

Females

4522

F45-49

4522

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

12826

Females

3749

F45-49

3749

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

12687

Females

3694

F45-49

3694

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11372

Females

3159

F45-49

3159

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

8976

Females

2205

F45-49

2205

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

7756

Females

1880

F45-49

1880

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

7505

Females

1950

F45-49

1950

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7693

Females

2092

F45-49

2092

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6117

Females

1508

F45-49

1508

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5242

Females

1189

F45-49

1189

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5004

Females

1200

F45-49

1200

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

4946

Females

1249

F45-49

1249

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4438

Females

961

F45-49

961

Passing Analysis

Category:
Athletes Passed
6305
Passed By
159
Net Change
+6146
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16494
5K → 10K600106+494#16494#16000
10K → 15K64020+620#16000#15380
15K → 20K7257+718#15380#14662
20K → Half1216+115#14662#14547
Half → 25K6305+625#14547#13922
25K → 30K10571+1056#13922#12866
30K → 20M4401+439#12866#12427
20M → 21M3677+360#12427#12067
21M → 35K1882+186#12067#11881
35K → 23M4441+443#11881#11438
23M → 24M3550+355#11438#11083
24M → 40K2991+298#11083#10785
40K → 25.2M1310+131#10785#10654
25.2M → Finish3082+306#10654#10348
TOTALS6305159+6146
📊

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