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BOSTON MARATHON 2023

Magdalena Chamorro

Bib: 6060•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Female)
#0 / 11423
Top 3%
Division (F18-39)
#0 / 4884
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:20
Rank: #5299
Start → 5K
21:20 | 6:52/mi
10K· 6.21 mi
42:38
Rank: #5510 (-211)
5K → 10K
21:18 | 6:51/mi
15K· 9.32 mi
1:03:49
Rank: #5450 (+60)
10K → 15K
21:11 | 6:49/mi
20K· 12.43 mi
1:25:11
Rank: #5374 (+76)
15K → 20K
21:22 | 6:53/mi
Half· 13.11 mi
1:29:50
Rank: #5372 (+2)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:46:37
Rank: #5314 (+58)
Half → 25K
16:47 | 6:55/mi
30K· 18.64 mi
2:08:59
Rank: #5320 (-6)
25K → 30K
22:22 | 7:12/mi
20M
2:18:52
Rank: #5314 (+6)
30K → 20M
9:53 | 7:16/mi
21M
2:26:28
Rank: #5249 (+65)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:31:29
Rank: #5162 (+87)
21M → 35K
5:01 | 6:42/mi
23M
2:40:01
Rank: #4960 (+202)
35K → 23M
8:32 | 6:49/mi
24M
2:46:37
Rank: #4821 (+139)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:52:21
Rank: #4685 (+136)
24M → 40K
5:44 | 6:42/mi
25.2M
2:54:51
Rank: #4642 (+43)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
3:01:22
Rank: #4496 (+146)
25.2M → Finish
6:31 | 6:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:50
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:31:32
Pace6:59 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4721:206:5221:20
6:52
-
10K
6.21 mi10:46:0542:386:5221:18
6:51
-0:01
15K
9.32 mi11:07:161:03:496:5121:11
6:49
-0:02
20K
12.43 mi11:28:381:25:116:5121:22
6:53
+0:04
Half
13.11 mi11:33:171:29:506:514:39
6:49
-0:04
25K
15.53 mi11:50:041:46:376:5216:47
6:55
+0:06
30K
18.64 mi12:12:262:08:596:5522:22
7:12
+0:17
20M
20.00 mi12:22:192:18:526:579:53
7:16
+0:04
21M
21.00 mi12:29:552:26:286:587:36
7:36
+0:20
35K
21.75 mi12:34:562:31:296:585:01
6:42
-0:54
23M
23.00 mi12:43:282:40:016:578:32
6:49
+0:07
24M
24.00 mi12:50:042:46:376:576:36
6:36
-0:13
40K
24.85 mi12:55:482:52:216:565:44
6:42
+0:06
25.2M
25.20 mi12:58:182:54:516:562:30
7:15
+0:33
Finish
26.22 mi13:04:493:01:226:556:31
6:24
-0:51

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

6:24 /mi

Average Pace

6:55 /mi

Slowest Pace

7:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:01

77% of race

Time at Steady Pace

34:45

19% of race

Time at Slower Pace

7:36

4% of race

Average Pace: 6:55 /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 mi10:24:4721:206:5221:20
6:52
#5299
10K
6.21 mi10:46:0542:386:5221:18
6:51
#5510
15K
9.32 mi11:07:161:03:496:5121:11
6:49
#5450
20K
12.43 mi11:28:381:25:116:5121:22
6:53
#5374
Half
13.11 mi11:33:171:29:506:514:39
6:49
#5372
25K
15.53 mi11:50:041:46:376:5216:47
6:55
#5314
30K
18.64 mi12:12:262:08:596:5522:22
7:12
#5320
20M
20.00 mi12:22:192:18:526:579:53
7:16
#5314
21M
21.00 mi12:29:552:26:286:587:36
7:36
#5249
35K
21.75 mi12:34:562:31:296:585:01
6:42
#5162
23M
23.00 mi12:43:282:40:016:578:32
6:49
#4960
24M
24.00 mi12:50:042:46:376:576:36
6:36
#4821
40K
24.85 mi12:55:482:52:216:565:44
6:42
#4685
25.2M
25.20 mi12:58:182:54:516:562:30
7:15
#4642
Finish
26.22 mi13:04:493:01:226:556:31
6:24
#4496
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi52993913915306(Top 20%)399(Top 3%)399(Top 8%)
10K6.21 mi3.10 mi5510-211420-29420-295812(Top 22%)493(Top 4%)493(Top 10%)
15K9.32 mi3.11 mi5450+60408+12408+125306(Top 20%)399(Top 3%)399(Top 8%)
20K12.43 mi3.11 mi5374+76396+12396+125184(Top 19%)385(Top 3%)385(Top 8%)
Half13.11 mi0.68 mi5372+23963965467(Top 21%)415(Top 4%)415(Top 8%)
25K15.53 mi2.42 mi5314+58390+6390+65120(Top 19%)388(Top 3%)388(Top 8%)
30K18.64 mi3.11 mi5320-6401-11401-115501(Top 21%)500(Top 4%)500(Top 10%)
20M20.00 mi1.36 mi5314+6407-6407-65506(Top 21%)566(Top 5%)566(Top 12%)
21M21.00 mi1.00 mi5249+65404+3404+35112(Top 19%)548(Top 5%)548(Top 11%)
35K21.75 mi0.75 mi5162+87399+5399+53654(Top 14%)271(Top 2%)271(Top 6%)
23M23.00 mi1.25 mi4960+202370+29370+292775(Top 10%)181(Top 2%)181(Top 4%)
24M24.00 mi1.00 mi4821+139352+18352+182607(Top 10%)180(Top 2%)180(Top 4%)
40K24.85 mi0.85 mi4685+136335+17335+172412(Top 9%)177(Top 2%)177(Top 4%)
25.2M25.20 mi0.35 mi4642+43331+4331+42808(Top 11%)227(Top 2%)227(Top 5%)
Finish26.22 mi1.02 mi4496+146313+18313+182029(Top 8%)141(Top 1%)141(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5306

Females

399

F18-39

399

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5812

Females

493

F18-39

493

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5306

Females

399

F18-39

399

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5184

Females

385

F18-39

385

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5467

Females

415

F18-39

415

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5120

Females

388

F18-39

388

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5501

Females

500

F18-39

500

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5506

Females

566

F18-39

566

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5112

Females

548

F18-39

548

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3654

Females

271

F18-39

271

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2775

Females

181

F18-39

181

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2607

Females

180

F18-39

180

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2412

Females

177

F18-39

177

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2808

Females

227

F18-39

227

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2029

Females

141

F18-39

141

Passing Analysis

Category:
Athletes Passed
1601
Passed By
798
Net Change
+803
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5299
5K → 10K122333-211#5299#5510
10K → 15K15090+60#5510#5450
15K → 20K13761+76#5450#5374
20K → Half1917+2#5374#5372
Half → 25K11860+58#5372#5314
25K → 30K127133-6#5314#5320
30K → 20M6761+6#5320#5314
20M → 21M9429+65#5314#5249
21M → 35K892+87#5249#5162
35K → 23M2042+202#5162#4960
23M → 24M1445+139#4960#4821
24M → 40K1360+136#4821#4685
40K → 25.2M474+43#4685#4642
25.2M → Finish1471+146#4642#4496
TOTALS1601798+803
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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