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BOSTON MARATHON 2025

Alice Maria Lins Costa

Bib: 5643•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Female)
#0 / 12228
Top 1%
Division (F18-39)
#0 / 5469
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:54
Rank: #3181
Start → 5K
19:54 | 6:24/mi
10K· 6.21 mi
39:59
Rank: #3306 (-125)
5K → 10K
20:05 | 6:28/mi
15K· 9.32 mi
59:55
Rank: #3210 (+96)
10K → 15K
19:56 | 6:25/mi
20K· 12.43 mi
1:19:59
Rank: #3087 (+123)
15K → 20K
20:04 | 6:28/mi
Half· 13.11 mi
1:24:21
Rank: #3085 (+2)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:39:49
Rank: #2909 (+176)
Half → 25K
15:28 | 6:23/mi
30K· 18.64 mi
2:00:44
Rank: #2898 (+11)
25K → 30K
20:55 | 6:44/mi
20M
2:09:59
Rank: #2867 (+31)
30K → 20M
9:15 | 6:48/mi
21M
2:17:10
Rank: #2855 (+12)
20M → 21M
7:11 | 7:11/mi
35K· 21.75 mi
2:22:06
Rank: #2835 (+20)
21M → 35K
4:56 | 6:36/mi
23M
2:30:35
Rank: #2779 (+56)
35K → 23M
8:29 | 6:47/mi
24M
2:37:02
Rank: #2694 (+85)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:42:33
Rank: #2602 (+92)
24M → 40K
5:31 | 6:27/mi
25.2M
2:44:47
Rank: #2532 (+70)
40K → 25.2M
2:14 | 6:28/mi
Finish· 26.22 mi
2:51:22
Rank: #2507 (+25)
25.2M → Finish
6:35 | 6:28/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:21
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:27:01
Pace6:38 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0119:546:2419:54
6:24
-
10K
6.21 mi10:44:0639:596:2620:05
6:28
+0:04
15K
9.32 mi11:04:0259:556:2619:56
6:25
-0:03
20K
12.43 mi11:24:061:19:596:2620:04
6:28
+0:03
Half
13.11 mi11:28:281:24:216:264:22
6:24
-0:04
25K
15.53 mi11:43:561:39:496:2615:28
6:23
-0:01
30K
18.64 mi12:04:512:00:446:2920:55
6:44
+0:21
20M
20.00 mi12:14:062:09:596:309:15
6:48
+0:04
21M
21.00 mi12:21:172:17:106:327:11
7:11
+0:23
35K
21.75 mi12:26:132:22:066:324:56
6:36
-0:35
23M
23.00 mi12:34:422:30:356:338:29
6:47
+0:11
24M
24.00 mi12:41:092:37:026:336:27
6:27
-0:20
40K
24.85 mi12:46:402:42:336:325:31
6:27
0:00
25.2M
25.20 mi12:48:542:44:476:322:14
6:28
+0:01
Finish
26.22 mi12:55:292:51:226:326:35
6:28
0:00

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

6:23 /mi

Average Pace

6:32 /mi

Slowest Pace

7:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:44:11

96% of race

Time at Steady Pace

7:11

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:32 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:24:0119:546:2419:54
6:24
#3181
10K
6.21 mi10:44:0639:596:2620:05
6:28
#3306
15K
9.32 mi11:04:0259:556:2619:56
6:25
#3210
20K
12.43 mi11:24:061:19:596:2620:04
6:28
#3087
Half
13.11 mi11:28:281:24:216:264:22
6:24
#3085
25K
15.53 mi11:43:561:39:496:2615:28
6:23
#2909
30K
18.64 mi12:04:512:00:446:2920:55
6:44
#2898
20M
20.00 mi12:14:062:09:596:309:15
6:48
#2867
21M
21.00 mi12:21:172:17:106:327:11
7:11
#2855
35K
21.75 mi12:26:132:22:066:324:56
6:36
#2835
23M
23.00 mi12:34:422:30:356:338:29
6:47
#2779
24M
24.00 mi12:41:092:37:026:336:27
6:27
#2694
40K
24.85 mi12:46:402:42:336:325:31
6:27
#2602
25.2M
25.20 mi12:48:542:44:476:322:14
6:28
#2532
Finish
26.22 mi12:55:292:51:226:326:35
6:28
#2507
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi31811521523053(Top 11%)138(Top 1%)138(Top 3%)
10K6.21 mi3.10 mi3306-125158-6158-63496(Top 12%)177(Top 1%)177(Top 3%)
15K9.32 mi3.11 mi3210+96152+6152+63053(Top 11%)138(Top 1%)138(Top 3%)
20K12.43 mi3.11 mi3087+123137+15137+152884(Top 10%)130(Top 1%)130(Top 2%)
Half13.11 mi0.68 mi3085+21371373113(Top 11%)137(Top 1%)137(Top 3%)
25K15.53 mi2.42 mi2909+176128+9128+92273(Top 8%)104(Top 0.9%)104(Top 2%)
30K18.64 mi3.11 mi2898+11132-4132-43058(Top 11%)174(Top 1%)174(Top 3%)
20M20.00 mi1.36 mi2867+31131+1131+13002(Top 11%)193(Top 2%)193(Top 4%)
21M21.00 mi1.00 mi2855+12132-1132-13089(Top 11%)226(Top 2%)226(Top 4%)
35K21.75 mi0.75 mi2835+20133-1133-12976(Top 10%)222(Top 2%)222(Top 4%)
23M23.00 mi1.25 mi2779+56135-2135-22610(Top 9%)191(Top 2%)191(Top 3%)
24M24.00 mi1.00 mi2694+85132+3132+31885(Top 7%)126(Top 1%)126(Top 2%)
40K24.85 mi0.85 mi2602+92127+5127+51473(Top 5%)101(Top 0.8%)101(Top 2%)
25.2M25.20 mi0.35 mi2532+70125+2125+2386(Top 1%)27(Top 0.2%)27(Top 0.5%)
Finish26.22 mi1.02 mi2507+25124+1124+12667(Top 9%)257(Top 2%)257(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3053

Females

138

F18-39

138

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3496

Females

177

F18-39

177

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3053

Females

138

F18-39

138

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2884

Females

130

F18-39

130

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3113

Females

137

F18-39

137

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2273

Females

104

F18-39

104

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3058

Females

174

F18-39

174

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3002

Females

193

F18-39

193

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3089

Females

226

F18-39

226

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2976

Females

222

F18-39

222

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2610

Females

191

F18-39

191

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1885

Females

126

F18-39

126

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1473

Females

101

F18-39

101

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

386

Females

27

F18-39

27

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2667

Females

257

F18-39

257

Passing Analysis

Category:
Athletes Passed
1235
Passed By
561
Net Change
+674
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3181
5K → 10K84209-125#3181#3306
10K → 15K14650+96#3306#3210
15K → 20K15128+123#3210#3087
20K → Half2018+2#3087#3085
Half → 25K1771+176#3085#2909
25K → 30K116105+11#2909#2898
30K → 20M6635+31#2898#2867
20M → 21M5442+12#2867#2855
21M → 35K4020+20#2855#2835
35K → 23M7418+56#2835#2779
23M → 24M927+85#2779#2694
24M → 40K942+92#2694#2602
40K → 25.2M700+70#2602#2532
25.2M → Finish5126+25#2532#2507
TOTALS1235561+674
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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