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BOSTON MARATHON 2024

Marybeth Smith

Bib: 18685•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 40%
Gender (Female)
#0 / 10924
Top 25%
Masters (Masters Women)
#0 / 6263
Top 13%
Division (F40-44)
#0 / 1613
Top 27%
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
7:54/mi
24:32
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
48:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:13:19
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:38:10
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:43:25
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:02:33
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:27:48
↑ 181↓ 1480.2%
20M
8:26/mi
2:39:15
↑ 64↓ 500.2%
21M
9:11/mi
2:48:26
↑ 106↓ 241.6%
35K· 21.75 mi
7:51/mi
2:54:18
↑ 17↓ 861.7%
23M
8:28/mi
3:04:54
↑ 23↓ 630.6%
24M
8:12/mi
3:13:06
↓ 821.3%
40K· 24.85 mi
8:54/mi
3:20:43
↓ 200.3%
25.2M
9:57/mi
3:24:09
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:32:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:25
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:49:17
Pace8:20 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2224:327:5424:32
7:54
-
10K
6.21 mi11:40:4748:577:5324:25
7:52
-0:02
15K
9.32 mi12:05:091:13:197:5224:22
7:51
-0:01
20K
12.43 mi12:30:001:38:107:5424:51
8:00
+0:09
Half
13.11 mi12:35:151:43:257:535:15
7:42
-0:18
25K
15.53 mi12:54:232:02:337:5319:08
7:53
+0:11
30K
18.64 mi13:19:382:27:487:5625:15
8:08
+0:15
20M
20.00 mi13:31:052:39:157:5811:27
8:26
+0:18
21M
21.00 mi13:40:162:48:268:019:11
9:11
+0:45
35K
21.75 mi13:46:082:54:188:015:52
7:51
-1:20
23M
23.00 mi13:56:443:04:548:0210:36
8:28
+0:37
24M
24.00 mi14:04:563:13:068:038:12
8:12
-0:16
40K
24.85 mi14:12:333:20:438:057:37
8:54
+0:42
25.2M
25.20 mi14:15:593:24:098:063:26
9:57
+1:03
Finish
26.22 mi14:24:323:32:428:078:33
8:23
-1:34

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

7:42 /mi

Average Pace

8:07 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:15

2% of race

Time at Steady Pace

2:45:10

78% of race

Time at Slower Pace

42:17

20% of race

Average Pace: 8:07 /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 mi11:16:2224:327:5424:32
7:54
#13853
10K
6.21 mi11:40:4748:577:5324:25
7:52
#13458
15K
9.32 mi12:05:091:13:197:5224:22
7:51
#13036
20K
12.43 mi12:30:001:38:107:5424:51
8:00
#12643
Half
13.11 mi12:35:151:43:257:535:15
7:42
#12512
25K
15.53 mi12:54:232:02:337:5319:08
7:53
#11897
30K
18.64 mi13:19:382:27:487:5625:15
8:08
#11162
20M
20.00 mi13:31:052:39:157:5811:27
8:26
#10911
21M
21.00 mi13:40:162:48:268:019:11
9:11
#10734
35K
21.75 mi13:46:082:54:188:015:52
7:51
#10563
23M
23.00 mi13:56:443:04:548:0210:36
8:28
#10359
24M
24.00 mi14:04:563:13:068:038:12
8:12
#10206
40K
24.85 mi14:12:333:20:438:057:37
8:54
#10201
25.2M
25.20 mi14:15:593:24:098:063:26
9:57
#10206
Finish
26.22 mi14:24:323:32:428:078:33
8:23
#10206
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi138534216421612296(Top 48%)3407(Top 31%)3407(Top 211%)
10K6.21 mi3.10 mi13458+3954004+2124004+21213139(Top 51%)3840(Top 35%)3840(Top 238%)
15K9.32 mi3.11 mi13036+4223774+2303774+23012296(Top 48%)3407(Top 31%)3407(Top 211%)
20K12.43 mi3.11 mi12643+3933566+2083566+20811809(Top 46%)3215(Top 29%)3215(Top 199%)
Half13.11 mi0.68 mi12512+1313502+643502+6410620(Top 42%)2612(Top 24%)2612(Top 162%)
25K15.53 mi2.42 mi11897+6153208+2943208+2949502(Top 37%)2246(Top 21%)2246(Top 139%)
30K18.64 mi3.11 mi11162+7352909+2992909+2998612(Top 34%)2031(Top 19%)2031(Top 126%)
20M20.00 mi1.36 mi10911+2512836+732836+739057(Top 35%)2484(Top 23%)2484(Top 154%)
21M21.00 mi1.00 mi10734+1772805+312805+319446(Top 37%)2922(Top 27%)2922(Top 181%)
35K21.75 mi0.75 mi10563+1712747+582747+586887(Top 27%)1711(Top 16%)1711(Top 106%)
23M23.00 mi1.25 mi10359+2042709+382709+388303(Top 32%)2534(Top 23%)2534(Top 157%)
24M24.00 mi1.00 mi10206+1532675+342675+347788(Top 30%)2379(Top 22%)2379(Top 147%)
40K24.85 mi0.85 mi10201+52718-432718-4310423(Top 41%)3758(Top 34%)3758(Top 233%)
25.2M25.20 mi0.35 mi10206-52738-202738-2010789(Top 42%)3982(Top 36%)3982(Top 247%)
Finish26.22 mi1.02 mi102062777-392777-3910902(Top 43%)3923(Top 36%)3923(Top 243%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12296

Females

3407

F40-44

3407

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13139

Females

3840

F40-44

3840

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12296

Females

3407

F40-44

3407

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

11809

Females

3215

F40-44

3215

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

10620

Females

2612

F40-44

2612

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9502

Females

2246

F40-44

2246

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8612

Females

2031

F40-44

2031

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9057

Females

2484

F40-44

2484

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9446

Females

2922

F40-44

2922

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

6887

Females

1711

F40-44

1711

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8303

Females

2534

F40-44

2534

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

7788

Females

2379

F40-44

2379

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10423

Females

3758

F40-44

3758

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

10789

Females

3982

F40-44

3982

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

10902

Females

3923

F40-44

3923

Passing Analysis

Category:
Athletes Passed
4299*
Passed By
652
Net Change
+3647
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13853
5K → 10K531136+395#13853#13458
10K → 15K47957+422#13458#13036
15K → 20K46976+393#13036#12643
20K → Half1321+131#12643#12512
Half → 25K6249+615#12512#11897
25K → 30K76025+735#11897#11162
30K → 20M27928+251#11162#10911
20M → 21M23255+177#10911#10734
21M → 35K1754+171#10734#10563
35K → 23M23834+204#10563#10359
23M → 24M17522+153#10359#10206
24M → 40K85*80+5#10206#10201
40K → 25.2M3237-5#10201#10206
25.2M → Finish88880#10206#10206
TOTALS4299*652+3647

* 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