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BOSTON MARATHON 2024

Sara Johnson

Bib: 8508•F

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 22%
Gender (Female)
#0 / 10924
Top 7%
Masters (Masters Women)
#0 / 6263
Top 2%
Division (F50-54)
#0 / 1187
Top 0.8%
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
7:20/mi
22:47
↑ 97↓ 3451.5%
10K· 6.21 mi
7:12/mi
45:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:03/mi
1:07:01
↑ 67↓ 78
20K· 12.43 mi
7:10/mi
1:29:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:34:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:23/mi
1:51:58
↑ 66↓ 880.2%
30K· 18.64 mi
7:46/mi
2:16:06
↑ 181↓ 1480.2%
20M
7:41/mi
2:26:32
↑ 64↓ 500.2%
21M
7:57/mi
2:34:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:24/mi
2:40:01
↑ 17↓ 861.7%
23M
7:39/mi
2:49:36
↑ 23↓ 630.6%
24M
7:51/mi
2:57:27
↓ 821.3%
40K· 24.85 mi
7:54/mi
3:04:12
↓ 200.3%
25.2M
8:25/mi
3:07:06
↑ 13↓ 160.2%
Finish· 26.22 mi
7:29/mi
3:14:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:05
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:40:39
Pace7:41 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3522:477:2022:47
7:20
-
10K
6.21 mi11:10:5645:087:1622:21
7:12
-0:08
15K
9.32 mi11:32:491:07:017:1121:53
7:03
-0:09
20K
12.43 mi11:55:061:29:187:1122:17
7:10
+0:07
Half
13.11 mi11:59:531:34:057:114:47
7:01
-0:09
25K
15.53 mi12:17:461:51:587:1217:53
7:23
+0:22
30K
18.64 mi12:41:542:16:067:1824:08
7:46
+0:23
20M
20.00 mi12:52:202:26:327:2010:26
7:41
-0:05
21M
21.00 mi13:00:172:34:297:217:57
7:57
+0:16
35K
21.75 mi13:05:492:40:017:215:32
7:24
-0:33
23M
23.00 mi13:15:242:49:367:229:35
7:39
+0:15
24M
24.00 mi13:23:152:57:277:247:51
7:51
+0:12
40K
24.85 mi13:30:003:04:127:256:45
7:54
+0:03
25.2M
25.20 mi13:32:543:07:067:252:54
8:25
+0:31
Finish
26.22 mi13:40:323:14:447:267:38
7:29
-0:56

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

7:01 /mi

Average Pace

7:26 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:09

75% of race

Time at Steady Pace

46:41

24% of race

Time at Slower Pace

2:54

1% of race

Average Pace: 7:26 /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 mi10:48:3522:477:2022:47
7:20
#9443
10K
6.21 mi11:10:5645:087:1622:21
7:12
#8627
15K
9.32 mi11:32:491:07:017:1121:53
7:03
#7811
20K
12.43 mi11:55:061:29:187:1122:17
7:10
#7344
Half
13.11 mi11:59:531:34:057:114:47
7:01
#7257
25K
15.53 mi12:17:461:51:587:1217:53
7:23
#6997
30K
18.64 mi12:41:542:16:067:1824:08
7:46
#6825
20M
20.00 mi12:52:202:26:327:2010:26
7:41
#6595
21M
21.00 mi13:00:172:34:297:217:57
7:57
#6308
35K
21.75 mi13:05:492:40:017:215:32
7:24
#6174
23M
23.00 mi13:15:242:49:367:229:35
7:39
#5939
24M
24.00 mi13:23:152:57:277:247:51
7:51
#5857
40K
24.85 mi13:30:003:04:127:256:45
7:54
#5757
25.2M
25.20 mi13:32:543:07:067:252:54
8:25
#5692
Finish
26.22 mi13:40:323:14:447:267:38
7:29
#5635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi9443176617666483(Top 25%)748(Top 7%)748(Top 63%)
10K6.21 mi3.10 mi8627+8161462+3041462+3047892(Top 31%)1198(Top 11%)1198(Top 101%)
15K9.32 mi3.11 mi7811+8161148+3141148+3146483(Top 25%)748(Top 7%)748(Top 63%)
20K12.43 mi3.11 mi7344+4671007+1411007+1416222(Top 24%)743(Top 7%)743(Top 63%)
Half13.11 mi0.68 mi7257+87979+28979+285896(Top 23%)641(Top 6%)641(Top 54%)
25K15.53 mi2.42 mi6997+260933+46933+466267(Top 25%)898(Top 8%)898(Top 76%)
30K18.64 mi3.11 mi6825+172938-5938-56518(Top 26%)1162(Top 11%)1162(Top 98%)
20M20.00 mi1.36 mi6595+230908+30908+305108(Top 20%)784(Top 7%)784(Top 66%)
21M21.00 mi1.00 mi6308+287847+61847+614000(Top 16%)553(Top 5%)553(Top 47%)
35K21.75 mi0.75 mi6174+134832+15832+154630(Top 18%)733(Top 7%)733(Top 62%)
23M23.00 mi1.25 mi5939+235795+37795+374207(Top 16%)687(Top 6%)687(Top 58%)
24M24.00 mi1.00 mi5857+82799-4799-45841(Top 23%)1443(Top 13%)1443(Top 122%)
40K24.85 mi0.85 mi5757+100805-6805-65265(Top 21%)1303(Top 12%)1303(Top 110%)
25.2M25.20 mi0.35 mi5692+65799+6799+64135(Top 16%)872(Top 8%)872(Top 73%)
Finish26.22 mi1.02 mi5635+57809-10809-105587(Top 22%)1440(Top 13%)1440(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6483

Females

748

F50-54

748

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

7892

Females

1198

F50-54

1198

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6483

Females

748

F50-54

748

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6222

Females

743

F50-54

743

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

5896

Females

641

F50-54

641

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6267

Females

898

F50-54

898

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6518

Females

1162

F50-54

1162

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5108

Females

784

F50-54

784

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4000

Females

553

F50-54

553

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

4630

Females

733

F50-54

733

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4207

Females

687

F50-54

687

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

5841

Females

1443

F50-54

1443

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5265

Females

1303

F50-54

1303

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4135

Females

872

F50-54

872

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5587

Females

1440

F50-54

1440

Passing Analysis

Category:
Athletes Passed
4169
Passed By
361
Net Change
+3808
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9443
5K → 10K84024+816#9443#8627
10K → 15K8171+816#8627#7811
15K → 20K47710+467#7811#7344
20K → Half903+87#7344#7257
Half → 25K31454+260#7257#6997
25K → 30K297125+172#6997#6825
30K → 20M25727+230#6825#6595
20M → 21M2925+287#6595#6308
21M → 35K1395+134#6308#6174
35K → 23M24914+235#6174#5939
23M → 24M10927+82#5939#5857
24M → 40K13131+100#5857#5757
40K → 25.2M727+65#5757#5692
25.2M → Finish8528+57#5692#5635
TOTALS4169361+3808
📊

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