Boston Marathon logo
BOSTON MARATHON 2024

Claudia Lopez

Bib: 10742•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 40%
Gender (Female)
#0 / 10924
Top 25%
Division (F18-39)
#0 / 4660
Top 41%
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
7:17/mi
22:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:20/mi
45:25
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:08:41
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:32:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:37:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:43/mi
1:56:03
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:21:41
↑ 181↓ 1480.2%
20M
8:40/mi
2:33:27
↑ 64↓ 500.2%
21M
9:22/mi
2:42:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:41/mi
2:49:19
↑ 17↓ 861.7%
23M
10:05/mi
3:01:57
↑ 23↓ 630.6%
24M
9:29/mi
3:11:26
↓ 821.3%
40K· 24.85 mi
9:45/mi
3:19:46
↓ 200.3%
25.2M
9:57/mi
3:23:12
↑ 13↓ 160.2%
Finish· 26.22 mi
8:59/mi
3:32:21
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:20
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:55:01
Pace8:46 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3222:387:1722:38
7:17
-
10K
6.21 mi11:12:1945:257:1922:47
7:20
+0:03
15K
9.32 mi11:35:351:08:417:2223:16
7:29
+0:09
20K
12.43 mi11:59:071:32:137:2523:32
7:34
+0:05
Half
13.11 mi12:04:141:37:207:255:07
7:30
-0:04
25K
15.53 mi12:22:571:56:037:2818:43
7:43
+0:13
30K
18.64 mi12:48:352:21:417:3625:38
8:15
+0:32
20M
20.00 mi13:00:212:33:277:4011:46
8:40
+0:25
21M
21.00 mi13:09:432:42:497:459:22
9:22
+0:42
35K
21.75 mi13:16:132:49:197:476:30
8:41
-0:41
23M
23.00 mi13:28:513:01:577:5512:38
10:05
+1:24
24M
24.00 mi13:38:203:11:267:599:29
9:29
-0:36
40K
24.85 mi13:46:403:19:468:028:20
9:45
+0:16
25.2M
25.20 mi13:50:063:23:128:043:26
9:57
+0:12
Finish
26.22 mi13:59:153:32:218:069:09
8:59
-0:58

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

7:17 /mi

Average Pace

8:06 /mi

Slowest Pace

10:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:03

55% of race

Time at Steady Pace

53:03

25% of race

Time at Slower Pace

43:15

20% of race

Average Pace: 8:06 /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 mi10:49:3222:387:1722:38
7:17
#9082
10K
6.21 mi11:12:1945:257:1922:47
7:20
#8979
15K
9.32 mi11:35:351:08:417:2223:16
7:29
#9114
20K
12.43 mi11:59:071:32:137:2523:32
7:34
#9024
Half
13.11 mi12:04:141:37:207:255:07
7:30
#9017
25K
15.53 mi12:22:571:56:037:2818:43
7:43
#8869
30K
18.64 mi12:48:352:21:417:3625:38
8:15
#8878
20M
20.00 mi13:00:212:33:277:4011:46
8:40
#8916
21M
21.00 mi13:09:432:42:497:459:22
9:22
#8910
35K
21.75 mi13:16:132:49:197:476:30
8:41
#8984
23M
23.00 mi13:28:513:01:577:5512:38
10:05
#9491
24M
24.00 mi13:38:203:11:267:599:29
9:29
#9753
40K
24.85 mi13:46:403:19:468:028:20
9:45
#9970
25.2M
25.20 mi13:50:063:23:128:043:26
9:57
#9965
Finish
26.22 mi13:59:153:32:218:069:09
8:59
#10122
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9082161416149619(Top 38%)1988(Top 18%)1988(Top 43%)
10K6.21 mi3.10 mi8979+1031612+21612+28949(Top 35%)1623(Top 15%)1623(Top 35%)
15K9.32 mi3.11 mi9114-1351675-631675-639619(Top 38%)1988(Top 18%)1988(Top 43%)
20K12.43 mi3.11 mi9024+901680-51680-58935(Top 35%)1783(Top 16%)1783(Top 38%)
Half13.11 mi0.68 mi9017+71686-61686-69196(Top 36%)1928(Top 18%)1928(Top 41%)
25K15.53 mi2.42 mi8869+1481655+311655+318448(Top 33%)1754(Top 16%)1754(Top 38%)
30K18.64 mi3.11 mi8878-91760-1051760-1059300(Top 36%)2367(Top 22%)2367(Top 51%)
20M20.00 mi1.36 mi8916-381836-761836-7610321(Top 40%)3107(Top 28%)3107(Top 67%)
21M21.00 mi1.00 mi8910+61901-651901-6510256(Top 40%)3354(Top 31%)3354(Top 72%)
35K21.75 mi0.75 mi8984-741962-611962-6111749(Top 46%)4142(Top 38%)4142(Top 89%)
23M23.00 mi1.25 mi9491-5072282-3202282-32015775(Top 62%)6285(Top 58%)6285(Top 135%)
24M24.00 mi1.00 mi9753-2622454-1722454-17214405(Top 56%)5645(Top 52%)5645(Top 121%)
40K24.85 mi0.85 mi9970-2172593-1392593-13914061(Top 55%)5557(Top 51%)5557(Top 119%)
25.2M25.20 mi0.35 mi9965+52611-182611-1810788(Top 42%)3981(Top 36%)3981(Top 85%)
Finish26.22 mi1.02 mi10122-1572731-1202731-12014097(Top 55%)5517(Top 51%)5517(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

9619

Females

1988

F18-39

1988

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

8949

Females

1623

F18-39

1623

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

9619

Females

1988

F18-39

1988

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

8935

Females

1783

F18-39

1783

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9196

Females

1928

F18-39

1928

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8448

Females

1754

F18-39

1754

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9300

Females

2367

F18-39

2367

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10321

Females

3107

F18-39

3107

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10256

Females

3354

F18-39

3354

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

11749

Females

4142

F18-39

4142

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

15775

Females

6285

F18-39

6285

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14405

Females

5645

F18-39

5645

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14061

Females

5557

F18-39

5557

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

10788

Females

3981

F18-39

3981

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14097

Females

5517

F18-39

5517

Passing Analysis

Category:
Athletes Passed
1753*
Passed By
2792
Net Change
-1040
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9082
5K → 10K287184+103#9082#8979
10K → 15K136271-135#8979#9114
15K → 20K236146+90#9114#9024
20K → Half3730+7#9024#9017
Half → 25K259111+148#9017#8869
25K → 30K283292-9#8869#8878
30K → 20M111149-38#8878#8916
20M → 21M138132+6#8916#8910
21M → 35K54128-74#8910#8984
35K → 23M50557-507#8984#9491
23M → 24M42*304-262#9491#9753
24M → 40K33250-217#9753#9970
40K → 25.2M4742+5#9970#9965
25.2M → Finish40196-157#9965#10122
TOTALS1753*2792-1040

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing