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BOSTON MARATHON 2024

Nancy Lopez

FL

Bib: 18820 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 35%
Gender (Female)
#0 / 10924
Top 20%
Masters (Masters Women)
#0 / 6263
Top 9%
Division (F45-49)
#0 / 1753
Top 10%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:53/mi
24:31
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:50/mi
48:52
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:49/mi
1:13:10
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:56/mi
1:37:49
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:37/mi
1:43:01
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:00/mi
2:02:26
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:04/mi
2:27:30
↑ 181↓ 1480.2%
138 ft elev
20M
8:08/mi
2:38:33
↑ 64↓ 500.2%
148 ft elev
21M
8:23/mi
2:46:56
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:52/mi
2:52:49
↑ 17↓ 861.7%
156 ft elev
23M
7:59/mi
3:02:49
↑ 23↓ 630.6%
116 ft elev
24M
7:48/mi
3:10:37
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:48/mi
3:17:17
↓ 200.3%
20 ft elev
25.2M
8:22/mi
3:20:10
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:22/mi
3:27:40
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:01
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:44:39
Pace7:59 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2524:317:5324:31
7:53
-
10K
6.21 mi11:40:4648:527:5224:21
7:50
-0:03
15K
9.32 mi12:05:041:13:107:5124:18
7:49
-0:01
20K
12.43 mi12:29:431:37:497:5224:39
7:56
+0:07
Half
13.11 mi12:34:551:43:017:515:12
7:37
-0:19
25K
15.53 mi12:54:202:02:267:5319:25
8:00
+0:23
30K
18.64 mi13:19:242:27:307:5525:04
8:04
+0:04
20M
20.00 mi13:30:272:38:337:5611:03
8:08
+0:04
21M
21.00 mi13:38:502:46:567:578:23
8:23
+0:15
35K
21.75 mi13:44:432:52:497:575:53
7:52
-0:31
23M
23.00 mi13:54:433:02:497:5710:00
7:59
+0:07
24M
24.00 mi14:02:313:10:377:577:48
7:48
-0:11
40K
24.85 mi14:09:113:17:177:566:40
7:48
0:00
25.2M
25.20 mi14:12:043:20:107:572:53
8:22
+0:34
Finish
26.22 mi14:19:343:27:407:567:30
7:22
-1:00

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

7:22 /mi

Average Pace

7:56 /mi

Slowest Pace

8:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:21

89% of race

Time at Steady Pace

22:19

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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 mi11:16:2524:317:5324:31
7:53
#13804
10K
6.21 mi11:40:4648:527:5224:21
7:50
#13346
15K
9.32 mi12:05:041:13:107:5124:18
7:49
#12916
20K
12.43 mi12:29:431:37:497:5224:39
7:56
#12427
Half
13.11 mi12:34:551:43:017:515:12
7:37
#12291
25K
15.53 mi12:54:202:02:267:5319:25
8:00
#11836
30K
18.64 mi13:19:242:27:307:5525:04
8:04
#11032
20M
20.00 mi13:30:272:38:337:5611:03
8:08
#10684
21M
21.00 mi13:38:502:46:567:578:23
8:23
#10283
35K
21.75 mi13:44:432:52:497:575:53
7:52
#10129
23M
23.00 mi13:54:433:02:497:5710:00
7:59
#9766
24M
24.00 mi14:02:313:10:377:577:48
7:48
#9513
40K
24.85 mi14:09:113:17:177:566:40
7:48
#9273
25.2M
25.20 mi14:12:043:20:107:572:53
8:22
#9118
Finish
26.22 mi14:19:343:27:407:567:30
7:22
#8897
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi138044179417912098(Top 47%)3296(Top 30%)3296(Top 188%)
10K6.21 mi3.10 mi13346+4583928+2513928+25112966(Top 51%)3748(Top 34%)3748(Top 214%)
15K9.32 mi3.11 mi12916+4303701+2273701+22712098(Top 47%)3296(Top 30%)3296(Top 188%)
20K12.43 mi3.11 mi12427+4893440+2613440+26111365(Top 44%)2986(Top 27%)2986(Top 170%)
Half13.11 mi0.68 mi12291+1363378+623378+6210052(Top 39%)2324(Top 21%)2324(Top 133%)
25K15.53 mi2.42 mi11836+4553175+2033175+20310249(Top 40%)2604(Top 24%)2604(Top 149%)
30K18.64 mi3.11 mi11032+8042844+3312844+3318277(Top 32%)1886(Top 17%)1886(Top 108%)
20M20.00 mi1.36 mi10684+3482718+1262718+1267487(Top 29%)1761(Top 16%)1761(Top 100%)
21M21.00 mi1.00 mi10283+4012571+1472571+1475724(Top 22%)1185(Top 11%)1185(Top 68%)
35K21.75 mi0.75 mi10129+1542529+422529+427002(Top 27%)1758(Top 16%)1758(Top 100%)
23M23.00 mi1.25 mi9766+3632418+1112418+1115706(Top 22%)1328(Top 12%)1328(Top 76%)
24M24.00 mi1.00 mi9513+2532336+822336+825593(Top 22%)1354(Top 12%)1354(Top 77%)
40K24.85 mi0.85 mi9273+2402258+782258+784801(Top 19%)1124(Top 10%)1124(Top 64%)
25.2M25.20 mi0.35 mi9118+1552208+502208+503997(Top 16%)839(Top 8%)839(Top 48%)
Finish26.22 mi1.02 mi8897+2212139+692139+694871(Top 19%)1144(Top 10%)1144(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12098

Females

3296

F45-49

3296

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

12966

Females

3748

F45-49

3748

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12098

Females

3296

F45-49

3296

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11365

Females

2986

F45-49

2986

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10052

Females

2324

F45-49

2324

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10249

Females

2604

F45-49

2604

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8277

Females

1886

F45-49

1886

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7487

Females

1761

F45-49

1761

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5724

Females

1185

F45-49

1185

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7002

Females

1758

F45-49

1758

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5706

Females

1328

F45-49

1328

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5593

Females

1354

F45-49

1354

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

4801

Females

1124

F45-49

1124

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

3997

Females

839

F45-49

839

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

4871

Females

1144

F45-49

1144

Passing Analysis

Category:
Athletes Passed
5208*
Passed By
301
Net Change
+4907
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13804
5K → 10K586128+458#13804#13346
10K → 15K46939+430#13346#12916
15K → 20K53142+489#12916#12427
20K → Half1437+136#12427#12291
Half → 25K49136+455#12291#11836
25K → 30K8139+804#11836#11032
30K → 20M36012+348#11032#10684
20M → 21M4032+401#10684#10283
21M → 35K16410+154#10283#10129
35K → 23M369*6+363#10129#9766
23M → 24M257*4+253#9766#9513
24M → 40K2422+240#9513#9273
40K → 25.2M1561+155#9273#9118
25.2M → Finish2243+221#9118#8897
TOTALS5208*301+4907

* 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