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BOSTON MARATHON 2024

Lucy Johnston

Bib: 20455•F

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
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
8:30/mi
26:23
↑ 97↓ 3451.5%
10K· 6.21 mi
8:37/mi
53:08
↑ 79↓ 1380.4%
15K· 9.32 mi
8:49/mi
1:20:30
↑ 67↓ 78
20K· 12.43 mi
9:17/mi
1:49:19
↑ 106↓ 860.1%
Half· 13.11 mi
9:36/mi
1:55:52
↑ 19↓ 370.5%
25K· 15.53 mi
11:01/mi
2:22:35
↑ 66↓ 880.2%
30K· 18.64 mi
10:38/mi
2:55:38
↑ 181↓ 1480.2%
20M
11:57/mi
3:11:53
↑ 64↓ 500.2%
21M
14:03/mi
3:25:56
↑ 106↓ 241.6%
35K· 21.75 mi
11:54/mi
3:34:50
↑ 17↓ 861.7%
23M
9:49/mi
3:47:07
↑ 23↓ 630.6%
24M
10:23/mi
3:57:30
↓ 821.3%
40K· 24.85 mi
11:04/mi
4:06:58
↓ 200.3%
25.2M
10:23/mi
4:10:33
↑ 13↓ 160.2%
Finish· 26.22 mi
9:08/mi
4:19:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:52
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:23:59
Pace10:59 /mi
📊Positive Split: 24.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2426:238:3026:23
8:30
-
10K
6.21 mi11:48:0953:088:3326:45
8:37
+0:07
15K
9.32 mi12:15:311:20:308:3827:22
8:49
+0:12
20K
12.43 mi12:44:201:49:198:4828:49
9:17
+0:28
Half
13.11 mi12:50:531:55:528:506:33
9:36
+0:19
25K
15.53 mi13:17:362:22:359:1126:43
11:01
+1:25
30K
18.64 mi13:50:392:55:389:2533:03
10:38
-0:23
20M
20.00 mi14:06:543:11:539:3616:15
11:57
+1:19
21M
21.00 mi14:20:573:25:569:4814:03
14:03
+2:06
35K
21.75 mi14:29:513:34:509:538:54
11:54
-2:09
23M
23.00 mi14:42:083:47:079:5212:17
9:49
-2:05
24M
24.00 mi14:52:313:57:309:5410:23
10:23
+0:34
40K
24.85 mi15:01:594:06:589:569:28
11:04
+0:41
25.2M
25.20 mi15:05:344:10:339:573:35
10:23
-0:41
Finish
26.22 mi15:14:524:19:519:559:18
9:08
-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

8:30 /mi

Average Pace

9:55 /mi

Slowest Pace

14:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:10

48% of race

Time at Steady Pace

1:35:29

37% of race

Time at Slower Pace

39:12

15% of race

Average Pace: 9:55 /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 mi11:21:2426:238:3026:23
8:30
#17746
10K
6.21 mi11:48:0953:088:3326:45
8:37
#17813
15K
9.32 mi12:15:311:20:308:3827:22
8:49
#17865
20K
12.43 mi12:44:201:49:198:4828:49
9:17
#18014
Half
13.11 mi12:50:531:55:528:506:33
9:36
#18165
25K
15.53 mi13:17:362:22:359:1126:43
11:01
#19075
30K
18.64 mi13:50:392:55:389:2533:03
10:38
#19099
20M
20.00 mi14:06:543:11:539:3616:15
11:57
#19330
21M
21.00 mi14:20:573:25:569:4814:03
14:03
#19564
35K
21.75 mi14:29:513:34:509:538:54
11:54
#19627
23M
23.00 mi14:42:083:47:079:5212:17
9:49
#19364
24M
24.00 mi14:52:313:57:309:5410:23
10:23
#19268
40K
24.85 mi15:01:594:06:589:569:28
11:04
#19212
25.2M
25.20 mi15:05:344:10:339:573:35
10:23
#19114
Finish
26.22 mi15:14:524:19:519:559:18
9:08
#18955
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi177466611661118016(Top 71%)6723(Top 62%)6723(Top 384%)
10K6.21 mi3.10 mi17813-676626-156626-1517929(Top 70%)6682(Top 61%)6682(Top 381%)
15K9.32 mi3.11 mi17865-526657-316657-3118016(Top 71%)6723(Top 62%)6723(Top 384%)
20K12.43 mi3.11 mi18014-1496750-936750-9318478(Top 72%)6980(Top 64%)6980(Top 398%)
Half13.11 mi0.68 mi18165-1516834-846834-8420410(Top 80%)8111(Top 74%)8111(Top 463%)
25K15.53 mi2.42 mi19075-9107348-5147348-51421544(Top 84%)8761(Top 80%)8761(Top 500%)
30K18.64 mi3.11 mi19099-247425-777425-7719128(Top 75%)7646(Top 70%)7646(Top 436%)
20M20.00 mi1.36 mi19330-2317590-1657590-16521297(Top 83%)8909(Top 82%)8909(Top 508%)
21M21.00 mi1.00 mi19564-2347723-1337723-13322416(Top 88%)9504(Top 87%)9504(Top 542%)
35K21.75 mi0.75 mi19627-637781-587781-5821630(Top 85%)9168(Top 84%)9168(Top 523%)
23M23.00 mi1.25 mi19364+2637661+1207661+12014811(Top 58%)5834(Top 53%)5834(Top 333%)
24M24.00 mi1.00 mi19268+967621+407621+4017552(Top 69%)7247(Top 66%)7247(Top 413%)
40K24.85 mi0.85 mi19212+567607+147607+1418303(Top 72%)7657(Top 70%)7657(Top 437%)
25.2M25.20 mi0.35 mi19114+987566+417566+4112531(Top 49%)4895(Top 45%)4895(Top 279%)
Finish26.22 mi1.02 mi18955+1597503+637503+6314869(Top 58%)5916(Top 54%)5916(Top 337%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18016

Females

6723

F45-49

6723

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

17929

Females

6682

F45-49

6682

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18016

Females

6723

F45-49

6723

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

18478

Females

6980

F45-49

6980

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

20410

Females

8111

F45-49

8111

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

21544

Females

8761

F45-49

8761

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19128

Females

7646

F45-49

7646

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

21297

Females

8909

F45-49

8909

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

22416

Females

9504

F45-49

9504

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

21630

Females

9168

F45-49

9168

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

14811

Females

5834

F45-49

5834

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

17552

Females

7247

F45-49

7247

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

18303

Females

7657

F45-49

7657

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12531

Females

4895

F45-49

4895

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

14869

Females

5916

F45-49

5916

Passing Analysis

Category:
Athletes Passed
1761
Passed By
2970
Net Change
-1209
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17746
5K → 10K257324-67#17746#17813
10K → 15K214266-52#17813#17865
15K → 20K197346-149#17865#18014
20K → Half10161-151#18014#18165
Half → 25K38948-910#18165#19075
25K → 30K223247-24#19075#19099
30K → 20M41272-231#19099#19330
20M → 21M25259-234#19330#19564
21M → 35K3093-63#19564#19627
35K → 23M2652+263#19627#19364
23M → 24M11418+96#19364#19268
24M → 40K8428+56#19268#19212
40K → 25.2M980+98#19212#19114
25.2M → Finish1656+159#19114#18955
TOTALS17612970-1209
📊

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