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BOSTON MARATHON 2025

Melisa Camano Sosa

Bib: 16412•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:17/mi
25:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:15/mi
51:21
↑ 79↓ 1380.4%
15K· 9.32 mi
8:16/mi
1:17:02
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:42:27
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:47:51
↑ 19↓ 370.5%
25K· 15.53 mi
8:06/mi
2:07:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:12/mi
2:32:59
↑ 181↓ 1480.2%
20M
8:14/mi
2:44:10
↑ 64↓ 500.2%
21M
8:30/mi
2:52:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:58:42
↑ 17↓ 861.7%
23M
8:11/mi
3:08:57
↑ 23↓ 630.6%
24M
7:54/mi
3:16:51
↓ 821.3%
40K· 24.85 mi
7:56/mi
3:23:38
↓ 200.3%
25.2M
8:30/mi
3:26:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:34:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:47:51
Pace8:14 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:46:11
Pace8:06 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:2325:448:1725:44
8:17
-
10K
6.21 mi11:26:0051:218:1625:37
8:15
-0:02
15K
9.32 mi11:51:411:17:028:1625:41
8:16
+0:01
20K
12.43 mi12:17:061:42:278:1525:25
8:11
-0:05
Half
13.11 mi12:22:301:47:518:145:24
7:55
-0:16
25K
15.53 mi12:42:082:07:298:1219:38
8:06
+0:11
30K
18.64 mi13:07:382:32:598:1225:30
8:12
+0:06
20M
20.00 mi13:18:492:44:108:1211:11
8:14
+0:02
21M
21.00 mi13:27:192:52:408:138:30
8:30
+0:16
35K
21.75 mi13:33:212:58:428:136:02
8:04
-0:26
23M
23.00 mi13:43:363:08:578:1310:15
8:11
+0:07
24M
24.00 mi13:51:303:16:518:127:54
7:54
-0:17
40K
24.85 mi13:58:173:23:388:126:47
7:56
+0:02
25.2M
25.20 mi14:01:133:26:348:122:56
8:30
+0:34
Finish
26.22 mi14:08:413:34:028:107:28
7:20
-1:10

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

7:20 /mi

Average Pace

8:10 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:35

16% of race

Time at Steady Pace

3:00:27

84% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi11:00:2325:448:1725:44
8:17
#18604
10K
6.21 mi11:26:0051:218:1625:37
8:15
#18399
15K
9.32 mi11:51:411:17:028:1625:41
8:16
#18182
20K
12.43 mi12:17:061:42:278:1525:25
8:11
#17638
Half
13.11 mi12:22:301:47:518:145:24
7:55
#17513
25K
15.53 mi12:42:082:07:298:1219:38
8:06
#16998
30K
18.64 mi13:07:382:32:598:1225:30
8:12
#16257
20M
20.00 mi13:18:492:44:108:1211:11
8:14
#15928
21M
21.00 mi13:27:192:52:408:138:30
8:30
#15547
35K
21.75 mi13:33:212:58:428:136:02
8:04
#15438
23M
23.00 mi13:43:363:08:578:1310:15
8:11
#15137
24M
24.00 mi13:51:303:16:518:127:54
7:54
#14899
40K
24.85 mi13:58:173:23:388:126:47
7:56
#14685
25.2M
25.20 mi14:01:133:26:348:122:56
8:30
#14574
Finish
26.22 mi14:08:413:34:028:107:28
7:20
#14303
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi186046681668117827(Top 63%)6216(Top 51%)6216(Top 114%)
10K6.21 mi3.10 mi18399+2056555+1266555+12618199(Top 64%)6417(Top 52%)6417(Top 117%)
15K9.32 mi3.11 mi18182+2176435+1206435+12017827(Top 63%)6216(Top 51%)6216(Top 114%)
20K12.43 mi3.11 mi17638+5446119+3166119+31616181(Top 57%)5320(Top 44%)5320(Top 97%)
Half13.11 mi0.68 mi17513+1256043+766043+7615263(Top 54%)4760(Top 39%)4760(Top 87%)
25K15.53 mi2.42 mi16998+5155760+2835760+28314639(Top 52%)4557(Top 37%)4557(Top 83%)
30K18.64 mi3.11 mi16257+7415382+3785382+37812907(Top 45%)3785(Top 31%)3785(Top 69%)
20M20.00 mi1.36 mi15928+3295226+1565226+15612041(Top 42%)3474(Top 28%)3474(Top 64%)
21M21.00 mi1.00 mi15547+3815044+1825044+18210518(Top 37%)2877(Top 24%)2877(Top 53%)
35K21.75 mi0.75 mi15438+1094991+534991+5312739(Top 45%)4022(Top 33%)4022(Top 74%)
23M23.00 mi1.25 mi15137+3014851+1404851+14011325(Top 40%)3404(Top 28%)3404(Top 62%)
24M24.00 mi1.00 mi14899+2384746+1054746+10510598(Top 37%)3109(Top 25%)3109(Top 57%)
40K24.85 mi0.85 mi14685+2144652+944652+949771(Top 34%)2830(Top 23%)2830(Top 52%)
25.2M25.20 mi0.35 mi14574+1114604+484604+488951(Top 32%)2535(Top 21%)2535(Top 46%)
Finish26.22 mi1.02 mi14303+2714481+1234481+1238012(Top 28%)2087(Top 17%)2087(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17827

Females

6216

F18-39

6216

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18199

Females

6417

F18-39

6417

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17827

Females

6216

F18-39

6216

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16181

Females

5320

F18-39

5320

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15263

Females

4760

F18-39

4760

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

14639

Females

4557

F18-39

4557

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12907

Females

3785

F18-39

3785

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

12041

Females

3474

F18-39

3474

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10518

Females

2877

F18-39

2877

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12739

Females

4022

F18-39

4022

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

11325

Females

3404

F18-39

3404

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10598

Females

3109

F18-39

3109

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9771

Females

2830

F18-39

2830

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8951

Females

2535

F18-39

2535

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

8012

Females

2087

F18-39

2087

Passing Analysis

Category:
Athletes Passed
4617
Passed By
316
Net Change
+4301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18604
5K → 10K375170+205#18604#18399
10K → 15K30386+217#18399#18182
15K → 20K55713+544#18182#17638
20K → Half1261+125#17638#17513
Half → 25K5216+515#17513#16998
25K → 30K7498+741#16998#16257
30K → 20M3345+329#16257#15928
20M → 21M3843+381#15928#15547
21M → 35K12011+109#15547#15438
35K → 23M3054+301#15438#15137
23M → 24M2424+238#15137#14899
24M → 40K2151+214#14899#14685
40K → 25.2M1132+111#14685#14574
25.2M → Finish2732+271#14574#14303
TOTALS4617316+4301
📊

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