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BOSTON MARATHON 2025

Carolyn Pezo Arevalo

Bib: 21909•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Masters (Masters Women)
#0 / 6759
Top 38%
Division (F45-49)
#0 / 1813
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:16
Rank: #17608
Start → 5K
25:16 | 8:08/mi
10K· 6.21 mi
50:19
Rank: #17243 (+365)
5K → 10K
25:03 | 8:04/mi
15K· 9.32 mi
1:15:07
Rank: #16776 (+467)
10K → 15K
24:48 | 7:59/mi
20K· 12.43 mi
1:39:56
Rank: #16252 (+524)
15K → 20K
24:49 | 7:59/mi
Half· 13.11 mi
1:45:20
Rank: #16194 (+58)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:05:45
Rank: #16289 (-95)
Half → 25K
20:25 | 8:25/mi
30K· 18.64 mi
2:34:06
Rank: #16638 (-349)
25K → 30K
28:21 | 9:07/mi
20M
2:46:47
Rank: #16759 (-121)
30K → 20M
12:41 | 9:20/mi
21M
2:57:11
Rank: #16931 (-172)
20M → 21M
10:24 | 10:24/mi
35K· 21.75 mi
3:03:44
Rank: #16925 (+6)
21M → 35K
6:33 | 8:45/mi
23M
3:15:21
Rank: #16972 (-47)
35K → 23M
11:37 | 9:17/mi
24M
3:24:15
Rank: #16956 (+16)
23M → 24M
8:54 | 8:54/mi
40K· 24.85 mi
3:32:11
Rank: #17006 (-50)
24M → 40K
7:56 | 9:17/mi
25.2M
3:35:48
Rank: #17045 (-39)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:44:33
Rank: #17022 (+23)
25.2M → Finish
8:45 | 8:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:20
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:59:13
Pace9:06 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2625:168:0825:16
8:08
-
10K
6.21 mi11:47:2950:198:0625:03
8:04
-0:04
15K
9.32 mi12:12:171:15:078:0424:48
7:59
-0:05
20K
12.43 mi12:37:061:39:568:0224:49
7:59
0:00
Half
13.11 mi12:42:301:45:208:025:24
7:55
-0:04
25K
15.53 mi13:02:552:05:458:0620:25
8:25
+0:30
30K
18.64 mi13:31:162:34:068:1628:21
9:07
+0:42
20M
20.00 mi13:43:572:46:478:2012:41
9:20
+0:13
21M
21.00 mi13:54:212:57:118:2610:24
10:24
+1:04
35K
21.75 mi14:00:543:03:448:276:33
8:45
-1:39
23M
23.00 mi14:12:313:15:218:3011:37
9:17
+0:32
24M
24.00 mi14:21:253:24:158:318:54
8:54
-0:23
40K
24.85 mi14:29:213:32:118:327:56
9:17
+0:23
25.2M
25.20 mi14:32:583:35:488:343:37
10:29
+1:12
Finish
26.22 mi14:41:433:44:338:348:45
8:35
-1:54

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

7:55 /mi

Average Pace

8:34 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:20

47% of race

Time at Steady Pace

1:12:58

32% of race

Time at Slower Pace

46:15

21% of race

Average Pace: 8:34 /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 mi11:22:2625:168:0825:16
8:08
#17608
10K
6.21 mi11:47:2950:198:0625:03
8:04
#17243
15K
9.32 mi12:12:171:15:078:0424:48
7:59
#16776
20K
12.43 mi12:37:061:39:568:0224:49
7:59
#16252
Half
13.11 mi12:42:301:45:208:025:24
7:55
#16194
25K
15.53 mi13:02:552:05:458:0620:25
8:25
#16289
30K
18.64 mi13:31:162:34:068:1628:21
9:07
#16638
20M
20.00 mi13:43:572:46:478:2012:41
9:20
#16759
21M
21.00 mi13:54:212:57:118:2610:24
10:24
#16931
35K
21.75 mi14:00:543:03:448:276:33
8:45
#16925
23M
23.00 mi14:12:313:15:218:3011:37
9:17
#16972
24M
24.00 mi14:21:253:24:158:318:54
8:54
#16956
40K
24.85 mi14:29:213:32:118:327:56
9:17
#17006
25.2M
25.20 mi14:32:583:35:488:343:37
10:29
#17045
Finish
26.22 mi14:41:433:44:338:348:45
8:35
#17022
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi176086101610115925(Top 56%)5107(Top 42%)5107(Top 282%)
10K6.21 mi3.10 mi17243+3655872+2295872+22916952(Top 60%)5679(Top 46%)5679(Top 313%)
15K9.32 mi3.11 mi16776+4675597+2755597+27515925(Top 56%)5107(Top 42%)5107(Top 282%)
20K12.43 mi3.11 mi16252+5245300+2975300+29714862(Top 52%)4575(Top 37%)4575(Top 252%)
Half13.11 mi0.68 mi16194+585273+275273+2715310(Top 54%)4807(Top 39%)4807(Top 265%)
25K15.53 mi2.42 mi16289-955334-615334-6116714(Top 59%)5699(Top 47%)5699(Top 314%)
30K18.64 mi3.11 mi16638-3495603-2695603-26918293(Top 64%)6738(Top 55%)6738(Top 372%)
20M20.00 mi1.36 mi16759-1215694-915694-9118452(Top 65%)6974(Top 57%)6974(Top 385%)
21M21.00 mi1.00 mi16931-1725835-1415835-14119708(Top 69%)7742(Top 63%)7742(Top 427%)
35K21.75 mi0.75 mi16925+65853-185853-1817047(Top 60%)6368(Top 52%)6368(Top 351%)
23M23.00 mi1.25 mi16972-475914-615914-6117694(Top 62%)6836(Top 56%)6836(Top 377%)
24M24.00 mi1.00 mi16956+165930-165930-1616864(Top 59%)6418(Top 52%)6418(Top 354%)
40K24.85 mi0.85 mi17006-505988-585988-5817760(Top 63%)7002(Top 57%)7002(Top 386%)
25.2M25.20 mi0.35 mi17045-396030-426030-4218970(Top 67%)7609(Top 62%)7609(Top 420%)
Finish26.22 mi1.02 mi17022+236033-36033-316785(Top 59%)6446(Top 53%)6446(Top 356%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

15925

Females

5107

F45-49

5107

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16952

Females

5679

F45-49

5679

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

15925

Females

5107

F45-49

5107

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14862

Females

4575

F45-49

4575

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15310

Females

4807

F45-49

4807

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

16714

Females

5699

F45-49

5699

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18293

Females

6738

F45-49

6738

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18452

Females

6974

F45-49

6974

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

19708

Females

7742

F45-49

7742

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

17047

Females

6368

F45-49

6368

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17694

Females

6836

F45-49

6836

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16864

Females

6418

F45-49

6418

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17760

Females

7002

F45-49

7002

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18970

Females

7609

F45-49

7609

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16785

Females

6446

F45-49

6446

Passing Analysis

Category:
Athletes Passed
2447
Passed By
1861
Net Change
+586
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17608
5K → 10K514149+365#17608#17243
10K → 15K51245+467#17243#16776
15K → 20K55026+524#16776#16252
20K → Half635+58#16252#16194
Half → 25K133228-95#16194#16289
25K → 30K129478-349#16289#16638
30K → 20M75196-121#16638#16759
20M → 21M67239-172#16759#16931
21M → 35K6458+6#16931#16925
35K → 23M99146-47#16925#16972
23M → 24M8468+16#16972#16956
24M → 40K56106-50#16956#17006
40K → 25.2M2665-39#17006#17045
25.2M → Finish7552+23#17045#17022
TOTALS24471861+586
📊

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