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BOSTON MARATHON 2024

Lori Bellerby

ON

Bib: 11324 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 37%
Gender (Female)
#0 / 10924
Top 22%
Masters (Masters Women)
#0 / 6263
Top 11%
Division (F50-54)
#0 / 1187
Top 6%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:38/mi
23:42
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:46/mi
47:50
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:45/mi
1:11:55
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:54/mi
1:36:27
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:52/mi
1:41:49
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:00/mi
2:01:14
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:13/mi
2:26:47
↑ 181↓ 1480.2%
138 ft elev
20M
8:36/mi
2:38:28
↑ 64↓ 500.2%
148 ft elev
21M
9:21/mi
2:47:49
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:16/mi
2:54:00
↑ 17↓ 861.7%
156 ft elev
23M
8:29/mi
3:04:37
↑ 23↓ 630.6%
116 ft elev
24M
8:00/mi
3:12:37
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:03/mi
3:19:30
↓ 200.3%
20 ft elev
25.2M
8:45/mi
3:22:31
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:22/mi
3:30:01
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:49
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:48:12
Pace8:15 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1323:427:3823:42
7:38
-
10K
6.21 mi11:17:2147:507:4224:08
7:46
+0:08
15K
9.32 mi11:41:261:11:557:4324:05
7:45
-0:01
20K
12.43 mi12:05:581:36:277:4624:32
7:54
+0:09
Half
13.11 mi12:11:201:41:497:465:22
7:52
-0:02
25K
15.53 mi12:30:452:01:147:4819:25
8:00
+0:08
30K
18.64 mi12:56:182:26:477:5225:33
8:13
+0:13
20M
20.00 mi13:07:592:38:287:5511:41
8:36
+0:23
21M
21.00 mi13:17:202:47:497:599:21
9:21
+0:45
35K
21.75 mi13:23:312:54:008:006:11
8:16
-1:05
23M
23.00 mi13:34:083:04:378:0210:37
8:29
+0:13
24M
24.00 mi13:42:083:12:378:028:00
8:00
-0:29
40K
24.85 mi13:49:013:19:308:026:53
8:03
+0:03
25.2M
25.20 mi13:52:023:22:318:023:01
8:45
+0:42
Finish
26.22 mi13:59:323:30:018:017:30
7:22
-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

7:22 /mi

Average Pace

8:01 /mi

Slowest Pace

9:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

55:17

26% of race

Time at Steady Pace

1:53:53

54% of race

Time at Slower Pace

40:51

19% of race

Average Pace: 8:01 /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 mi10:53:1323:427:3823:42
7:38
#11773
10K
6.21 mi11:17:2147:507:4224:08
7:46
#12093
15K
9.32 mi11:41:261:11:557:4324:05
7:45
#11861
20K
12.43 mi12:05:581:36:277:4624:32
7:54
#11615
Half
13.11 mi12:11:201:41:497:465:22
7:52
#11606
25K
15.53 mi12:30:452:01:147:4819:25
8:00
#11312
30K
18.64 mi12:56:182:26:477:5225:33
8:13
#10774
20M
20.00 mi13:07:592:38:287:5511:41
8:36
#10659
21M
21.00 mi13:17:202:47:497:599:21
9:21
#10562
35K
21.75 mi13:23:312:54:008:006:11
8:16
#10485
23M
23.00 mi13:34:083:04:378:0210:37
8:29
#10279
24M
24.00 mi13:42:083:12:378:028:00
8:00
#10092
40K
24.85 mi13:49:013:19:308:026:53
8:03
#9904
25.2M
25.20 mi13:52:023:22:318:023:01
8:45
#9794
Finish
26.22 mi13:59:323:30:018:017:30
7:22
#9577
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi117732998299811572(Top 45%)3000(Top 27%)3000(Top 253%)
10K6.21 mi3.10 mi12093-3203214-2163214-21612398(Top 49%)3408(Top 31%)3408(Top 287%)
15K9.32 mi3.11 mi11861+2323125+893125+8911572(Top 45%)3000(Top 27%)3000(Top 253%)
20K12.43 mi3.11 mi11615+2463005+1203005+12011112(Top 43%)2869(Top 26%)2869(Top 242%)
Half13.11 mi0.68 mi11606+93004+13004+111804(Top 46%)3214(Top 29%)3214(Top 271%)
25K15.53 mi2.42 mi11312+2942889+1152889+11510255(Top 40%)2610(Top 24%)2610(Top 220%)
30K18.64 mi3.11 mi10774+5382704+1852704+1859153(Top 36%)2292(Top 21%)2292(Top 193%)
20M20.00 mi1.36 mi10659+1152707-32707-39984(Top 39%)2936(Top 27%)2936(Top 247%)
21M21.00 mi1.00 mi10562+972720-132720-1310196(Top 40%)3320(Top 30%)3320(Top 280%)
35K21.75 mi0.75 mi10485+772707+132707+139379(Top 37%)2901(Top 27%)2901(Top 244%)
23M23.00 mi1.25 mi10279+2062665+422665+428379(Top 33%)2565(Top 23%)2565(Top 216%)
24M24.00 mi1.00 mi10092+1872614+512614+516668(Top 26%)1850(Top 17%)1850(Top 156%)
40K24.85 mi0.85 mi9904+1882562+522562+526084(Top 24%)1701(Top 16%)1701(Top 143%)
25.2M25.20 mi0.35 mi9794+1102524+382524+385521(Top 22%)1515(Top 14%)1515(Top 128%)
Finish26.22 mi1.02 mi9577+2172456+682456+684872(Top 19%)1145(Top 10%)1145(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11572

Females

3000

F50-54

3000

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

12398

Females

3408

F50-54

3408

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11572

Females

3000

F50-54

3000

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11112

Females

2869

F50-54

2869

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

11804

Females

3214

F50-54

3214

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10255

Females

2610

F50-54

2610

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9153

Females

2292

F50-54

2292

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

9984

Females

2936

F50-54

2936

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10196

Females

3320

F50-54

3320

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9379

Females

2901

F50-54

2901

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8379

Females

2565

F50-54

2565

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

6668

Females

1850

F50-54

1850

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6084

Females

1701

F50-54

1701

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5521

Females

1515

F50-54

1515

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

4872

Females

1145

F50-54

1145

Passing Analysis

Category:
Athletes Passed
3302*
Passed By
1106
Net Change
+2196
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11773
5K → 10K165485-320#11773#12093
10K → 15K350118+232#12093#11861
15K → 20K351105+246#11861#11615
20K → Half4435+9#11615#11606
Half → 25K34349+294#11606#11312
25K → 30K60466+538#11312#10774
30K → 20M19580+115#10774#10659
20M → 21M17477+97#10659#10562
21M → 35K10831+77#10562#10485
35K → 23M23933+206#10485#10279
23M → 24M19811+187#10279#10092
24M → 40K196*8+188#10092#9904
40K → 25.2M1144+110#9904#9794
25.2M → Finish2214+217#9794#9577
TOTALS3302*1106+2196

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

📊

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