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BOSTON MARATHON 2024

Mary Marshall

Bib: 21305•F

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F65-69)
#0 / 216
Top 49%
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
8:37/mi
26:45
↑ 97↓ 3451.5%
10K· 6.21 mi
8:34/mi
53:22
↑ 79↓ 1380.4%
15K· 9.32 mi
8:46/mi
1:20:37
↑ 67↓ 78
20K· 12.43 mi
9:01/mi
1:48:39
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:54:45
↑ 19↓ 370.5%
25K· 15.53 mi
9:28/mi
2:17:41
↑ 66↓ 880.2%
30K· 18.64 mi
10:29/mi
2:50:16
↑ 181↓ 1480.2%
20M
10:29/mi
3:04:31
↑ 64↓ 500.2%
21M
13:37/mi
3:18:08
↑ 106↓ 241.6%
35K· 21.75 mi
11:59/mi
3:27:06
↑ 17↓ 861.7%
23M
16:01/mi
3:47:09
↑ 23↓ 630.6%
24M
16:57/mi
4:04:06
↓ 821.3%
40K· 24.85 mi
18:50/mi
4:20:12
↓ 200.3%
25.2M
19:52/mi
4:27:03
↑ 13↓ 160.2%
Finish· 26.22 mi
17:17/mi
4:44:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:45
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time2:49:55
Pace12:58 /mi
📊Positive Split: 48.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1926:458:3726:45
8:37
-
10K
6.21 mi11:51:5653:228:3526:37
8:34
-0:03
15K
9.32 mi12:19:111:20:378:3927:15
8:46
+0:12
20K
12.43 mi12:47:131:48:398:4528:02
9:01
+0:15
Half
13.11 mi12:53:191:54:458:456:06
8:56
-0:05
25K
15.53 mi13:16:152:17:418:5222:56
9:28
+0:32
30K
18.64 mi13:48:502:50:169:0832:35
10:29
+1:01
20M
20.00 mi14:03:053:04:319:1414:15
10:29
0:00
21M
21.00 mi14:16:423:18:089:2613:37
13:37
+3:08
35K
21.75 mi14:25:403:27:069:318:58
11:59
-1:38
23M
23.00 mi14:45:433:47:099:5320:03
16:01
+4:02
24M
24.00 mi15:02:404:04:0610:1016:57
16:57
+0:56
40K
24.85 mi15:18:464:20:1210:2816:06
18:50
+1:53
25.2M
25.20 mi15:25:374:27:0310:366:51
19:52
+1:02
Finish
26.22 mi15:43:144:44:4010:5217:37
17:17
-2:35

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

8:34 /mi

Average Pace

10:52 /mi

Slowest Pace

19:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:13:29

68% of race

Time at Slower Pace

1:31:11

32% of race

Average Pace: 10:51 /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 mi11:25:1926:458:3726:45
8:37
#18390
10K
6.21 mi11:51:5653:228:3526:37
8:34
#18017
15K
9.32 mi12:19:111:20:378:3927:15
8:46
#17942
20K
12.43 mi12:47:131:48:398:4528:02
9:01
#17737
Half
13.11 mi12:53:191:54:458:456:06
8:56
#17745
25K
15.53 mi13:16:152:17:418:5222:56
9:28
#17657
30K
18.64 mi13:48:502:50:169:0832:35
10:29
#17979
20M
20.00 mi14:03:053:04:319:1414:15
10:29
#18008
21M
21.00 mi14:16:423:18:089:2613:37
13:37
#18362
35K
21.75 mi14:25:403:27:069:318:58
11:59
#18530
23M
23.00 mi14:45:433:47:099:5320:03
16:01
#19369
24M
24.00 mi15:02:404:04:0610:1016:57
16:57
#20057
40K
24.85 mi15:18:464:20:1210:2816:06
18:50
#20680
25.2M
25.20 mi15:25:374:27:0310:366:51
19:52
#20878
Finish
26.22 mi15:43:144:44:4010:5217:37
17:17
#21475
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi183906989698917853(Top 70%)6633(Top 61%)6633(Top 3071%)
10K6.21 mi3.10 mi18017+3736753+2366753+23617695(Top 69%)6550(Top 60%)6550(Top 3032%)
15K9.32 mi3.11 mi17942+756705+486705+4817853(Top 70%)6633(Top 61%)6633(Top 3071%)
20K12.43 mi3.11 mi17737+2056598+1076598+10717448(Top 68%)6404(Top 59%)6404(Top 2965%)
Half13.11 mi0.68 mi17745-86602-46602-418050(Top 71%)6830(Top 63%)6830(Top 3162%)
25K15.53 mi2.42 mi17657+886577+256577+2517414(Top 68%)6502(Top 60%)6502(Top 3010%)
30K18.64 mi3.11 mi17979-3226821-2446821-24418760(Top 73%)7448(Top 68%)7448(Top 3448%)
20M20.00 mi1.36 mi18008-296870-496870-4917970(Top 70%)7199(Top 66%)7199(Top 3333%)
21M21.00 mi1.00 mi18362-3547083-2137083-21321781(Top 85%)9192(Top 84%)9192(Top 4256%)
35K21.75 mi0.75 mi18530-1687182-997182-9921784(Top 85%)9241(Top 85%)9241(Top 4278%)
23M23.00 mi1.25 mi19369-8397664-4827664-48225085(Top 98%)10768(Top 99%)10768(Top 4985%)
24M24.00 mi1.00 mi20057-6888041-3778041-37725308(Top 99%)10863(Top 99%)10863(Top 5029%)
40K24.85 mi0.85 mi20680-6238399-3588399-35825415(Top 99%)10890(Top 100%)10890(Top 5042%)
25.2M25.20 mi0.35 mi20878-1988506-1078506-10725358(Top 99%)10869(Top 99%)10869(Top 5032%)
Finish26.22 mi1.02 mi21475-5978850-3448850-34425432(Top 100%)10897(Top 100%)10897(Top 5045%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

17853

Females

6633

F65-69

6633

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

17695

Females

6550

F65-69

6550

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

17853

Females

6633

F65-69

6633

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

17448

Females

6404

F65-69

6404

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18050

Females

6830

F65-69

6830

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

17414

Females

6502

F65-69

6502

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

18760

Females

7448

F65-69

7448

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

17970

Females

7199

F65-69

7199

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

21781

Females

9192

F65-69

9192

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

21784

Females

9241

F65-69

9241

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

25085

Females

10768

F65-69

10768

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

25308

Females

10863

F65-69

10863

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

25415

Females

10890

F65-69

10890

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

25358

Females

10869

F65-69

10869

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

25432

Females

10897

F65-69

10897

Passing Analysis

Category:
Athletes Passed
1734
Passed By
4819
Net Change
-3085
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18390
5K → 10K494121+373#18390#18017
10K → 15K273198+75#18017#17942
15K → 20K343138+205#17942#17737
20K → Half3745-8#17737#17745
Half → 25K246158+88#17745#17657
25K → 30K154476-322#17657#17979
30K → 20M104133-29#17979#18008
20M → 21M25379-354#18008#18362
21M → 35K21189-168#18362#18530
35K → 23M20859-839#18530#19369
23M → 24M5693-688#19369#20057
24M → 40K1624-623#20057#20680
40K → 25.2M3201-198#20680#20878
25.2M → Finish8605-597#20878#21475
TOTALS17344819-3085
📊

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