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BOSTON MARATHON 2025

Nancy Carolina Morales Burelo

Bib: 14213•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 25%
Masters (Masters Women)
#0 / 6759
Top 11%
Division (F40-44)
#0 / 1718
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:15
Rank: #9167
Start → 5K
22:15 | 7:10/mi
10K· 6.21 mi
45:03
Rank: #9896 (-729)
5K → 10K
22:48 | 7:20/mi
15K· 9.32 mi
1:08:30
Rank: #10636 (-740)
10K → 15K
23:27 | 7:33/mi
20K· 12.43 mi
1:32:45
Rank: #11350 (-714)
15K → 20K
24:15 | 7:48/mi
Half· 13.11 mi
1:38:01
Rank: #11450 (-100)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
1:57:28
Rank: #11860 (-410)
Half → 25K
19:27 | 8:01/mi
30K· 18.64 mi
2:23:21
Rank: #12176 (-316)
25K → 30K
25:53 | 8:20/mi
20M
2:34:47
Rank: #12233 (-57)
30K → 20M
11:26 | 8:25/mi
21M
2:43:38
Rank: #12239 (-6)
20M → 21M
8:51 | 8:51/mi
35K· 21.75 mi
2:49:35
Rank: #12204 (+35)
21M → 35K
5:57 | 7:57/mi
23M
2:59:49
Rank: #12106 (+98)
35K → 23M
10:14 | 8:10/mi
24M
3:07:36
Rank: #11981 (+125)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
3:14:14
Rank: #11812 (+169)
24M → 40K
6:38 | 7:45/mi
25.2M
3:17:08
Rank: #11747 (+65)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:24:41
Rank: #11579 (+168)
25.2M → Finish
7:33 | 7:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:01
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:46:40
Pace8:08 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1822:157:1022:15
7:10
-
10K
6.21 mi11:13:0645:037:1522:48
7:20
+0:10
15K
9.32 mi11:36:331:08:307:2123:27
7:33
+0:13
20K
12.43 mi12:00:481:32:457:2824:15
7:48
+0:15
Half
13.11 mi12:06:041:38:017:295:16
7:43
-0:05
25K
15.53 mi12:25:311:57:287:3419:27
8:01
+0:18
30K
18.64 mi12:51:242:23:217:4125:53
8:20
+0:19
20M
20.00 mi13:02:502:34:477:4411:26
8:25
+0:05
21M
21.00 mi13:11:412:43:387:488:51
8:51
+0:26
35K
21.75 mi13:17:382:49:357:485:57
7:57
-0:54
23M
23.00 mi13:27:522:59:497:4910:14
8:10
+0:13
24M
24.00 mi13:35:393:07:367:497:47
7:47
-0:23
40K
24.85 mi13:42:173:14:147:496:38
7:45
-0:02
25.2M
25.20 mi13:45:113:17:087:492:54
8:25
+0:40
Finish
26.22 mi13:52:443:24:417:497:33
7:25
-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

7:10 /mi

Average Pace

7:49 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:03

37% of race

Time at Steady Pace

1:09:20

34% of race

Time at Slower Pace

59:18

29% of race

Average Pace: 7:48 /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 mi10:50:1822:157:1022:15
7:10
#9167
10K
6.21 mi11:13:0645:037:1522:48
7:20
#9896
15K
9.32 mi11:36:331:08:307:2123:27
7:33
#10636
20K
12.43 mi12:00:481:32:457:2824:15
7:48
#11350
Half
13.11 mi12:06:041:38:017:295:16
7:43
#11450
25K
15.53 mi12:25:311:57:287:3419:27
8:01
#11860
30K
18.64 mi12:51:242:23:217:4125:53
8:20
#12176
20M
20.00 mi13:02:502:34:477:4411:26
8:25
#12233
21M
21.00 mi13:11:412:43:387:488:51
8:51
#12239
35K
21.75 mi13:17:382:49:357:485:57
7:57
#12204
23M
23.00 mi13:27:522:59:497:4910:14
8:10
#12106
24M
24.00 mi13:35:393:07:367:497:47
7:47
#11981
40K
24.85 mi13:42:173:14:147:496:38
7:45
#11812
25.2M
25.20 mi13:45:113:17:087:492:54
8:25
#11747
Finish
26.22 mi13:52:443:24:417:497:33
7:25
#11579
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi91671444144412180(Top 43%)3007(Top 25%)3007(Top 175%)
10K6.21 mi3.10 mi9896-7291759-3151759-31510669(Top 38%)2146(Top 18%)2146(Top 125%)
15K9.32 mi3.11 mi10636-7402149-3902149-39012180(Top 43%)3007(Top 25%)3007(Top 175%)
20K12.43 mi3.11 mi11350-7142528-3792528-37913316(Top 47%)3716(Top 30%)3716(Top 216%)
Half13.11 mi0.68 mi11450-1002582-542582-5413570(Top 48%)3792(Top 31%)3792(Top 221%)
25K15.53 mi2.42 mi11860-4102850-2682850-26814072(Top 50%)4232(Top 35%)4232(Top 246%)
30K18.64 mi3.11 mi12176-3163087-2373087-23713692(Top 48%)4192(Top 34%)4192(Top 244%)
20M20.00 mi1.36 mi12233-573158-713158-7113241(Top 47%)4102(Top 34%)4102(Top 239%)
21M21.00 mi1.00 mi12239-63200-423200-4212622(Top 44%)3932(Top 32%)3932(Top 229%)
35K21.75 mi0.75 mi12204+353210-103210-1011960(Top 42%)3617(Top 30%)3617(Top 211%)
23M23.00 mi1.25 mi12106+983186+243186+2411214(Top 39%)3331(Top 27%)3331(Top 194%)
24M24.00 mi1.00 mi11981+1253162+243162+249722(Top 34%)2676(Top 22%)2676(Top 156%)
40K24.85 mi0.85 mi11812+1693107+553107+558536(Top 30%)2251(Top 18%)2251(Top 131%)
25.2M25.20 mi0.35 mi11747+653087+203087+208367(Top 29%)2247(Top 18%)2247(Top 131%)
Finish26.22 mi1.02 mi11579+1683047+403047+408597(Top 30%)2344(Top 19%)2344(Top 136%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

12180

Females

3007

F40-44

3007

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10669

Females

2146

F40-44

2146

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

12180

Females

3007

F40-44

3007

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13316

Females

3716

F40-44

3716

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

13570

Females

3792

F40-44

3792

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14072

Females

4232

F40-44

4232

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13692

Females

4192

F40-44

4192

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13241

Females

4102

F40-44

4102

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

12622

Females

3932

F40-44

3932

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11960

Females

3617

F40-44

3617

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

11214

Females

3331

F40-44

3331

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9722

Females

2676

F40-44

2676

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8536

Females

2251

F40-44

2251

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8367

Females

2247

F40-44

2247

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8597

Females

2344

F40-44

2344

Passing Analysis

Category:
Athletes Passed
1422
Passed By
3831
Net Change
-2412
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9167
5K → 10K53781-729#9167#9896
10K → 15K46784-740#9896#10636
15K → 20K55769-714#10636#11350
20K → Half14114-100#11350#11450
Half → 25K78488-410#11450#11860
25K → 30K150466-316#11860#12176
30K → 20M108165-57#12176#12233
20M → 21M101107-6#12233#12239
21M → 35K7641+35#12239#12204
35K → 23M14951+98#12204#12106
23M → 24M14419+125#12106#11981
24M → 40K18213+169#11981#11812
40K → 25.2M749+65#11812#11747
25.2M → Finish19224+168#11747#11579
TOTALS14223831-2412
📊

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