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BOSTON MARATHON 2024

Maggie Jeffrey

Bib: 18175•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 46%
Gender (Female)
#0 / 10924
Top 33%
Masters (Masters Women)
#0 / 6263
Top 21%
Division (F40-44)
#0 / 1613
Top 39%
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
8:25/mi
26:09
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
52:06
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:17:15
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:42:33
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:47:58
↑ 19↓ 370.5%
25K· 15.53 mi
8:21/mi
2:08:13
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:35:06
↑ 181↓ 1480.2%
20M
8:30/mi
2:46:39
↑ 64↓ 500.2%
21M
9:25/mi
2:56:04
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
3:02:14
↑ 17↓ 861.7%
23M
8:18/mi
3:12:38
↑ 23↓ 630.6%
24M
8:08/mi
3:20:46
↓ 821.3%
40K· 24.85 mi
8:28/mi
3:28:00
↓ 200.3%
25.2M
9:17/mi
3:31:12
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:39:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:58
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time1:51:25
Pace8:30 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1826:098:2526:09
8:25
-
10K
6.21 mi11:44:1552:068:2325:57
8:21
-0:04
15K
9.32 mi12:09:241:17:158:1725:09
8:06
-0:15
20K
12.43 mi12:34:421:42:338:1525:18
8:09
+0:03
Half
13.11 mi12:40:071:47:588:145:25
7:56
-0:13
25K
15.53 mi13:00:222:08:138:1520:15
8:21
+0:25
30K
18.64 mi13:27:152:35:068:1926:53
8:39
+0:18
20M
20.00 mi13:38:482:46:398:2011:33
8:30
-0:09
21M
21.00 mi13:48:132:56:048:239:25
9:25
+0:55
35K
21.75 mi13:54:233:02:148:236:10
8:15
-1:10
23M
23.00 mi14:04:473:12:388:2310:24
8:18
+0:03
24M
24.00 mi14:12:553:20:468:228:08
8:08
-0:10
40K
24.85 mi14:20:093:28:008:227:14
8:28
+0:20
25.2M
25.20 mi14:23:213:31:128:233:12
9:17
+0:49
Finish
26.22 mi14:31:323:39:238:228:11
8:02
-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

7:56 /mi

Average Pace

8:22 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:46

94% of race

Time at Steady Pace

3:12

1% of race

Time at Slower Pace

9:25

4% of race

Average Pace: 8:22 /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 mi11:18:1826:098:2526:09
8:25
#17303
10K
6.21 mi11:44:1552:068:2325:57
8:21
#16825
15K
9.32 mi12:09:241:17:158:1725:09
8:06
#15825
20K
12.43 mi12:34:421:42:338:1525:18
8:09
#15036
Half
13.11 mi12:40:071:47:588:145:25
7:56
#14905
25K
15.53 mi13:00:222:08:138:1520:15
8:21
#14362
30K
18.64 mi13:27:152:35:068:1926:53
8:39
#13731
20M
20.00 mi13:38:482:46:398:2011:33
8:30
#13342
21M
21.00 mi13:48:132:56:048:239:25
9:25
#13113
35K
21.75 mi13:54:233:02:148:236:10
8:15
#12925
23M
23.00 mi14:04:473:12:388:2310:24
8:18
#12550
24M
24.00 mi14:12:553:20:468:228:08
8:08
#12275
40K
24.85 mi14:20:093:28:008:227:14
8:28
#12105
25.2M
25.20 mi14:23:213:31:128:233:12
9:17
#12010
Finish
26.22 mi14:31:323:39:238:228:11
8:02
#11844
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi173036339633914066(Top 55%)4400(Top 40%)4400(Top 273%)
10K6.21 mi3.10 mi16825+4786050+2896050+28916440(Top 64%)5784(Top 53%)5784(Top 359%)
15K9.32 mi3.11 mi15825+10005457+5935457+59314066(Top 55%)4400(Top 40%)4400(Top 273%)
20K12.43 mi3.11 mi15036+7894965+4924965+49212805(Top 50%)3741(Top 34%)3741(Top 232%)
Half13.11 mi0.68 mi14905+1314894+714894+7112380(Top 48%)3535(Top 32%)3535(Top 219%)
25K15.53 mi2.42 mi14362+5434611+2834611+28312280(Top 48%)3662(Top 34%)3662(Top 227%)
30K18.64 mi3.11 mi13731+6314326+2854326+28511462(Top 45%)3428(Top 31%)3428(Top 213%)
20M20.00 mi1.36 mi13342+3894180+1464180+1469464(Top 37%)2687(Top 25%)2687(Top 167%)
21M21.00 mi1.00 mi13113+2294107+734107+7310462(Top 41%)3466(Top 32%)3466(Top 215%)
35K21.75 mi0.75 mi12925+1884026+814026+819277(Top 36%)2863(Top 26%)2863(Top 177%)
23M23.00 mi1.25 mi12550+3753869+1573869+1577423(Top 29%)2111(Top 19%)2111(Top 131%)
24M24.00 mi1.00 mi12275+2753777+923777+927420(Top 29%)2215(Top 20%)2215(Top 137%)
40K24.85 mi0.85 mi12105+1703725+523725+528176(Top 32%)2674(Top 24%)2674(Top 166%)
25.2M25.20 mi0.35 mi12010+953693+323693+327889(Top 31%)2627(Top 24%)2627(Top 163%)
Finish26.22 mi1.02 mi11844+1663643+503643+508754(Top 34%)2945(Top 27%)2945(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14066

Females

4400

F40-44

4400

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

16440

Females

5784

F40-44

5784

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14066

Females

4400

F40-44

4400

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

12805

Females

3741

F40-44

3741

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12380

Females

3535

F40-44

3535

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12280

Females

3662

F40-44

3662

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11462

Females

3428

F40-44

3428

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9464

Females

2687

F40-44

2687

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10462

Females

3466

F40-44

3466

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9277

Females

2863

F40-44

2863

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7423

Females

2111

F40-44

2111

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7420

Females

2215

F40-44

2215

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8176

Females

2674

F40-44

2674

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

7889

Females

2627

F40-44

2627

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

8754

Females

2945

F40-44

2945

Passing Analysis

Category:
Athletes Passed
5705
Passed By
246
Net Change
+5459
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17303
5K → 10K590112+478#17303#16825
10K → 15K10077+1000#16825#15825
15K → 20K7956+789#15825#15036
20K → Half1310+131#15036#14905
Half → 25K5518+543#14905#14362
25K → 30K66433+631#14362#13731
30K → 20M3945+389#13731#13342
20M → 21M25627+229#13342#13113
21M → 35K1979+188#13113#12925
35K → 23M3794+375#12925#12550
23M → 24M2827+275#12550#12275
24M → 40K1799+170#12275#12105
40K → 25.2M961+95#12105#12010
25.2M → Finish18418+166#12010#11844
TOTALS5705246+5459
📊

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