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BOSTON MARATHON 2025

Merissa Feraco

Bib: 20082•F

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 39%
Masters (Masters Women)
#0 / 6759
Top 24%
Division (F40-44)
#0 / 1718
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:25
Rank: #15339
Start → 5K
24:25 | 7:52/mi
10K· 6.21 mi
48:59
Rank: #15509 (-170)
5K → 10K
24:34 | 7:54/mi
15K· 9.32 mi
1:14:01
Rank: #15857 (-348)
10K → 15K
25:02 | 8:03/mi
20K· 12.43 mi
1:39:08
Rank: #15751 (+106)
15K → 20K
25:07 | 8:05/mi
Half· 13.11 mi
1:44:36
Rank: #15766 (-15)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:04:25
Rank: #15621 (+145)
Half → 25K
19:49 | 8:10/mi
30K· 18.64 mi
2:30:43
Rank: #15398 (+223)
25K → 30K
26:18 | 8:28/mi
20M
2:42:23
Rank: #15283 (+115)
30K → 20M
11:40 | 8:35/mi
21M
2:51:19
Rank: #15086 (+197)
20M → 21M
8:56 | 8:56/mi
35K· 21.75 mi
2:57:40
Rank: #15084 (+2)
21M → 35K
6:21 | 8:29/mi
23M
3:08:30
Rank: #14989 (+95)
35K → 23M
10:50 | 8:39/mi
24M
3:16:58
Rank: #14931 (+58)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:24:14
Rank: #14856 (+75)
24M → 40K
7:16 | 8:30/mi
25.2M
3:27:26
Rank: #14816 (+40)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:35:40
Rank: #14740 (+76)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:36
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:51:04
Pace8:28 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0324:257:5224:25
7:52
-
10K
6.21 mi11:40:3748:597:5324:34
7:54
+0:02
15K
9.32 mi12:05:391:14:017:5625:02
8:03
+0:09
20K
12.43 mi12:30:461:39:087:5925:07
8:05
+0:02
Half
13.11 mi12:36:141:44:367:595:28
8:01
-0:04
25K
15.53 mi12:56:032:04:258:0119:49
8:10
+0:09
30K
18.64 mi13:22:212:30:438:0526:18
8:28
+0:18
20M
20.00 mi13:34:012:42:238:0711:40
8:35
+0:07
21M
21.00 mi13:42:572:51:198:098:56
8:56
+0:21
35K
21.75 mi13:49:182:57:408:106:21
8:29
-0:27
23M
23.00 mi14:00:083:08:308:1210:50
8:39
+0:10
24M
24.00 mi14:08:363:16:588:128:28
8:28
-0:11
40K
24.85 mi14:15:523:24:148:137:16
8:30
+0:02
25.2M
25.20 mi14:19:043:27:268:143:12
9:17
+0:47
Finish
26.22 mi14:27:183:35:408:148:14
8:05
-1:12

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

7:52 /mi

Average Pace

8:14 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:32

94% of race

Time at Steady Pace

8:56

4% of race

Time at Slower Pace

3:12

1% of race

Average Pace: 8:14 /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 mi11:16:0324:257:5224:25
7:52
#15339
10K
6.21 mi11:40:3748:597:5324:34
7:54
#15509
15K
9.32 mi12:05:391:14:017:5625:02
8:03
#15857
20K
12.43 mi12:30:461:39:087:5925:07
8:05
#15751
Half
13.11 mi12:36:141:44:367:595:28
8:01
#15766
25K
15.53 mi12:56:032:04:258:0119:49
8:10
#15621
30K
18.64 mi13:22:212:30:438:0526:18
8:28
#15398
20M
20.00 mi13:34:012:42:238:0711:40
8:35
#15283
21M
21.00 mi13:42:572:51:198:098:56
8:56
#15086
35K
21.75 mi13:49:182:57:408:106:21
8:29
#15084
23M
23.00 mi14:00:083:08:308:1210:50
8:39
#14989
24M
24.00 mi14:08:363:16:588:128:28
8:28
#14931
40K
24.85 mi14:15:523:24:148:137:16
8:30
#14856
25.2M
25.20 mi14:19:043:27:268:143:12
9:17
#14816
Finish
26.22 mi14:27:183:35:408:148:14
8:05
#14740
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi153394742474216471(Top 58%)5414(Top 44%)5414(Top 315%)
10K6.21 mi3.10 mi15509-1704845-1034845-10315724(Top 55%)4963(Top 41%)4963(Top 289%)
15K9.32 mi3.11 mi15857-3485050-2055050-20516471(Top 58%)5414(Top 44%)5414(Top 315%)
20K12.43 mi3.11 mi15751+1065012+385012+3815547(Top 55%)4939(Top 40%)4939(Top 287%)
Half13.11 mi0.68 mi15766-155020-85020-816033(Top 56%)5194(Top 42%)5194(Top 302%)
25K15.53 mi2.42 mi15621+1454953+674953+6715133(Top 53%)4805(Top 39%)4805(Top 280%)
30K18.64 mi3.11 mi15398+2234891+624891+6214560(Top 51%)4660(Top 38%)4660(Top 271%)
20M20.00 mi1.36 mi15283+1154853+384853+3814362(Top 51%)4702(Top 38%)4702(Top 274%)
21M21.00 mi1.00 mi15086+1974773+804773+8013153(Top 46%)4198(Top 34%)4198(Top 244%)
35K21.75 mi0.75 mi15084+24787-144787-1415407(Top 54%)5463(Top 45%)5463(Top 318%)
23M23.00 mi1.25 mi14989+954761+264761+2614274(Top 50%)4946(Top 40%)4946(Top 288%)
24M24.00 mi1.00 mi14931+584765-44765-414313(Top 50%)4982(Top 41%)4982(Top 290%)
40K24.85 mi0.85 mi14856+754749+164749+1613451(Top 47%)4678(Top 38%)4678(Top 272%)
25.2M25.20 mi0.35 mi14816+404730+194730+1913408(Top 47%)4717(Top 39%)4717(Top 275%)
Finish26.22 mi1.02 mi14740+764719+114719+1113472(Top 47%)4680(Top 38%)4680(Top 272%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16471

Females

5414

F40-44

5414

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

15724

Females

4963

F40-44

4963

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16471

Females

5414

F40-44

5414

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15547

Females

4939

F40-44

4939

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

16033

Females

5194

F40-44

5194

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

15133

Females

4805

F40-44

4805

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14560

Females

4660

F40-44

4660

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

14362

Females

4702

F40-44

4702

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13153

Females

4198

F40-44

4198

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15407

Females

5463

F40-44

5463

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14274

Females

4946

F40-44

4946

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14313

Females

4982

F40-44

4982

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13451

Females

4678

F40-44

4678

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13408

Females

4717

F40-44

4717

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13472

Females

4680

F40-44

4680

Passing Analysis

Category:
Athletes Passed
2176
Passed By
1577
Net Change
+599
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15339
5K → 10K229399-170#15339#15509
10K → 15K104452-348#15509#15857
15K → 20K243137+106#15857#15751
20K → Half2742-15#15751#15766
Half → 25K24297+145#15766#15621
25K → 30K351128+223#15621#15398
30K → 20M16651+115#15398#15283
20M → 21M22023+197#15283#15086
21M → 35K6361+2#15086#15084
35K → 23M15156+95#15084#14989
23M → 24M10951+58#14989#14931
24M → 40K10429+75#14931#14856
40K → 25.2M5515+40#14856#14816
25.2M → Finish11236+76#14816#14740
TOTALS21761577+599
📊

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