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BOSTON MARATHON 2023

Claudia Ilse Lopez Munguia

Bib: 14571•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 32%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:51
Rank: #11263
Start → 5K
7:41/mi
23:51 split
10K· 6.21 mi
47:25
Rank: #11197 (+66)
5K → 10K
7:35/mi
23:34 split
15K· 9.32 mi
1:10:44
Rank: #10835 (+362)
10K → 15K
7:30/mi
23:19 split
20K· 12.43 mi
1:34:34
Rank: #10790 (+45)
15K → 20K
7:40/mi
23:50 split
Half· 13.11 mi
1:39:48
Rank: #10837 (-47)
20K → Half
7:40/mi
5:14 split
25K· 15.53 mi
1:59:14
Rank: #11109 (-272)
Half → 25K
8:01/mi
19:26 split
30K· 18.64 mi
2:25:30
Rank: #11657 (-548)
25K → 30K
8:27/mi
26:16 split
20M
2:37:16
Rank: #11900 (-243)
30K → 20M
8:40/mi
11:46 split
21M
2:46:34
Rank: #12114 (-214)
20M → 21M
9:18/mi
9:18 split
35K· 21.75 mi
2:53:05
Rank: #12303 (-189)
21M → 35K
8:43/mi
6:31 split
23M
3:04:10
Rank: #12498 (-195)
35K → 23M
8:51/mi
11:05 split
24M
3:12:59
Rank: #12696 (-198)
23M → 24M
8:49/mi
8:49 split
40K· 24.85 mi
3:20:30
Rank: #12793 (-97)
24M → 40K
8:47/mi
7:31 split
25.2M
3:23:50
Rank: #12849 (-56)
40K → 25.2M
9:40/mi
3:20 split
Finish· 26.22 mi
3:32:48
Rank: #13002 (-153)
25.2M → Finish
8:48/mi
8:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:48
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:53:00
Pace8:37 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0723:517:4123:51
7:41
-
10K
6.21 mi11:37:4147:257:3823:34
7:35
-0:06
15K
9.32 mi12:01:001:10:447:3523:19
7:30
-0:05
20K
12.43 mi12:24:501:34:347:3723:50
7:40
+0:10
Half
13.11 mi12:30:041:39:487:375:14
7:40
0:00
25K
15.53 mi12:49:301:59:147:4119:26
8:01
+0:21
30K
18.64 mi13:15:462:25:307:4826:16
8:27
+0:26
20M
20.00 mi13:27:322:37:167:5211:46
8:40
+0:13
21M
21.00 mi13:36:502:46:347:569:18
9:18
+0:38
35K
21.75 mi13:43:212:53:057:586:31
8:43
-0:35
23M
23.00 mi13:54:263:04:108:0011:05
8:51
+0:08
24M
24.00 mi14:03:153:12:598:028:49
8:49
-0:02
40K
24.85 mi14:10:463:20:308:047:31
8:47
-0:02
25.2M
25.20 mi14:14:063:23:508:053:20
9:40
+0:53
Finish
26.22 mi14:23:043:32:488:078:58
8:48
-0:52

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

7:30 /mi

Average Pace

8:07 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:14

56% of race

Time at Steady Pace

1:20:56

38% of race

Time at Slower Pace

12:38

6% 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 mi11:14:0723:517:4123:51
7:41
#11263
10K
6.21 mi11:37:4147:257:3823:34
7:35
#11197
15K
9.32 mi12:01:001:10:447:3523:19
7:30
#10835
20K
12.43 mi12:24:501:34:347:3723:50
7:40
#10790
Half
13.11 mi12:30:041:39:487:375:14
7:40
#10837
25K
15.53 mi12:49:301:59:147:4119:26
8:01
#11109
30K
18.64 mi13:15:462:25:307:4826:16
8:27
#11657
20M
20.00 mi13:27:322:37:167:5211:46
8:40
#11900
21M
21.00 mi13:36:502:46:347:569:18
9:18
#12114
35K
21.75 mi13:43:212:53:057:586:31
8:43
#12303
23M
23.00 mi13:54:263:04:108:0011:05
8:51
#12498
24M
24.00 mi14:03:153:12:598:028:49
8:49
#12696
40K
24.85 mi14:10:463:20:308:047:31
8:47
#12793
25.2M
25.20 mi14:14:063:23:508:053:20
9:40
#12849
Finish
26.22 mi14:23:043:32:488:078:58
8:48
#13002
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112632471247110238(Top 38%)1959(Top 17%)1959(Top 40%)
10K6.21 mi3.10 mi11197+662439+322439+3211210(Top 42%)2442(Top 21%)2442(Top 50%)
15K9.32 mi3.11 mi10835+3622255+1842255+18410238(Top 38%)1959(Top 17%)1959(Top 40%)
20K12.43 mi3.11 mi10790+452245+102245+1010700(Top 40%)2261(Top 20%)2261(Top 46%)
Half13.11 mi0.68 mi10837-472261-162261-1611744(Top 44%)2788(Top 24%)2788(Top 57%)
25K15.53 mi2.42 mi11109-2722418-1572418-15712880(Top 48%)3563(Top 31%)3563(Top 73%)
30K18.64 mi3.11 mi11657-5482779-3612779-36114016(Top 53%)4337(Top 38%)4337(Top 89%)
20M20.00 mi1.36 mi11900-2432938-1592938-15914621(Top 55%)4773(Top 42%)4773(Top 98%)
21M21.00 mi1.00 mi12114-2143074-1363074-13614983(Top 56%)5037(Top 44%)5037(Top 103%)
35K21.75 mi0.75 mi12303-1893197-1233197-12316466(Top 62%)5965(Top 52%)5965(Top 122%)
23M23.00 mi1.25 mi12498-1953328-1313328-13115286(Top 57%)5326(Top 47%)5326(Top 109%)
24M24.00 mi1.00 mi12696-1983471-1433471-14316296(Top 61%)5959(Top 52%)5959(Top 122%)
40K24.85 mi0.85 mi12793-973548-773548-7715046(Top 57%)5315(Top 47%)5315(Top 109%)
25.2M25.20 mi0.35 mi12849-563588-403588-4015964(Top 60%)5828(Top 51%)5828(Top 119%)
Finish26.22 mi1.02 mi13002-1533703-1153703-11517036(Top 64%)6388(Top 56%)6388(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10238

Females

1959

F18-39

1959

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11210

Females

2442

F18-39

2442

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10238

Females

1959

F18-39

1959

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10700

Females

2261

F18-39

2261

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11744

Females

2788

F18-39

2788

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12880

Females

3563

F18-39

3563

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14016

Females

4337

F18-39

4337

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14621

Females

4773

F18-39

4773

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14983

Females

5037

F18-39

5037

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16466

Females

5965

F18-39

5965

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15286

Females

5326

F18-39

5326

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16296

Females

5959

F18-39

5959

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15046

Females

5315

F18-39

5315

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15964

Females

5828

F18-39

5828

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

17036

Females

6388

F18-39

6388

Passing Analysis

Category:
Athletes Passed
1298
Passed By
3037
Net Change
-1739
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11263
5K → 10K340274+66#11263#11197
10K → 15K41553+362#11197#10835
15K → 20K180135+45#10835#10790
20K → Half956-47#10790#10837
Half → 25K64336-272#10837#11109
25K → 30K56604-548#11109#11657
30K → 20M45288-243#11657#11900
20M → 21M36250-214#11900#12114
21M → 35K15204-189#12114#12303
35K → 23M39234-195#12303#12498
23M → 24M29227-198#12498#12696
24M → 40K34131-97#12696#12793
40K → 25.2M1268-56#12793#12849
25.2M → Finish24177-153#12849#13002
TOTALS12983037-1739
📊

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