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BOSTON MARATHON 2025

Claudia Mejía Palacio

Bib: 31551•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
8:40/mi
26:57
↑ 97↓ 3451.5%
10K· 6.21 mi
8:26/mi
53:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:20/mi
1:19:01
↑ 67↓ 78
20K· 12.43 mi
8:36/mi
1:45:44
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:51:37
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:13:03
↑ 66↓ 880.2%
30K· 18.64 mi
9:12/mi
2:41:38
↑ 181↓ 1480.2%
20M
13:03/mi
2:59:22
↑ 64↓ 500.2%
21M
10:31/mi
3:09:53
↑ 106↓ 241.6%
35K· 21.75 mi
9:44/mi
3:17:10
↑ 17↓ 861.7%
23M
10:35/mi
3:30:25
↑ 23↓ 630.6%
24M
10:03/mi
3:40:28
↓ 821.3%
40K· 24.85 mi
10:15/mi
3:49:14
↓ 200.3%
25.2M
11:07/mi
3:53:04
↑ 13↓ 160.2%
Finish· 26.22 mi
9:37/mi
4:02:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:37
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time2:11:15
Pace10:01 /mi
📊Positive Split: 17.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5826:578:4026:57
8:40
-
10K
6.21 mi12:19:1053:098:3326:12
8:26
-0:14
15K
9.32 mi12:45:021:19:018:2925:52
8:20
-0:06
20K
12.43 mi13:11:451:45:448:3026:43
8:36
+0:16
Half
13.11 mi13:17:381:51:378:315:53
8:37
+0:01
25K
15.53 mi13:39:042:13:038:3421:26
8:50
+0:13
30K
18.64 mi14:07:392:41:388:4028:35
9:12
+0:22
20M
20.00 mi14:25:232:59:228:5817:44
13:03
+3:51
21M
21.00 mi14:35:543:09:539:0310:31
10:31
-2:32
35K
21.75 mi14:43:113:17:109:047:17
9:44
-0:47
23M
23.00 mi14:56:263:30:259:0913:15
10:35
+0:51
24M
24.00 mi15:06:293:40:289:1110:03
10:03
-0:32
40K
24.85 mi15:15:153:49:149:138:46
10:15
+0:12
25.2M
25.20 mi15:19:053:53:049:153:50
11:07
+0:52
Finish
26.22 mi15:28:534:02:529:169:48
9:37
-1:30

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

8:20 /mi

Average Pace

9:16 /mi

Slowest Pace

13:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:03

55% of race

Time at Steady Pace

55:43

23% of race

Time at Slower Pace

54:06

22% of race

Average Pace: 9:16 /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 mi11:52:5826:578:4026:57
8:40
#20898
10K
6.21 mi12:19:1053:098:3326:12
8:26
#20165
15K
9.32 mi12:45:021:19:018:2925:52
8:20
#19529
20K
12.43 mi13:11:451:45:448:3026:43
8:36
#19325
Half
13.11 mi13:17:381:51:378:315:53
8:37
#19351
25K
15.53 mi13:39:042:13:038:3421:26
8:50
#19299
30K
18.64 mi14:07:392:41:388:4028:35
9:12
#19178
20M
20.00 mi14:25:232:59:228:5817:44
13:03
#20411
21M
21.00 mi14:35:543:09:539:0310:31
10:31
#20404
35K
21.75 mi14:43:113:17:109:047:17
9:44
#20437
23M
23.00 mi14:56:263:30:259:0913:15
10:35
#20587
24M
24.00 mi15:06:293:40:289:1110:03
10:03
#20666
40K
24.85 mi15:15:153:49:149:138:46
10:15
#20713
25.2M
25.20 mi15:19:053:53:049:153:50
11:07
#20722
Finish
26.22 mi15:28:534:02:529:169:48
9:37
#20749
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi208988022802218244(Top 64%)6469(Top 53%)6469(Top 357%)
10K6.21 mi3.10 mi20165+7337575+4477575+44719413(Top 68%)7122(Top 58%)7122(Top 393%)
15K9.32 mi3.11 mi19529+6367192+3837192+38318244(Top 64%)6469(Top 53%)6469(Top 357%)
20K12.43 mi3.11 mi19325+2047097+957097+9518860(Top 66%)6833(Top 56%)6833(Top 377%)
Half13.11 mi0.68 mi19351-267109-127109-1219998(Top 70%)7486(Top 61%)7486(Top 413%)
25K15.53 mi2.42 mi19299+527087+227087+2219174(Top 68%)7069(Top 58%)7069(Top 390%)
30K18.64 mi3.11 mi19178+1217060+277060+2718648(Top 66%)6921(Top 57%)6921(Top 382%)
20M20.00 mi1.36 mi20411-12337786-7267786-72626501(Top 93%)11284(Top 92%)11284(Top 622%)
21M21.00 mi1.00 mi20404+77799-137799-1320074(Top 71%)7952(Top 65%)7952(Top 439%)
35K21.75 mi0.75 mi20437-337832-337832-3321133(Top 74%)8575(Top 70%)8575(Top 473%)
23M23.00 mi1.25 mi20587-1507937-1057937-10522222(Top 78%)9178(Top 75%)9178(Top 506%)
24M24.00 mi1.00 mi20666-797993-567993-5621503(Top 76%)8855(Top 72%)8855(Top 488%)
40K24.85 mi0.85 mi20713-478034-418034-4121251(Top 75%)8791(Top 72%)8791(Top 485%)
25.2M25.20 mi0.35 mi20722-98051-178051-1721015(Top 74%)8659(Top 71%)8659(Top 478%)
Finish26.22 mi1.02 mi20749-278085-348085-3421619(Top 76%)8966(Top 73%)8966(Top 495%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

18244

Females

6469

F45-49

6469

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19413

Females

7122

F45-49

7122

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

18244

Females

6469

F45-49

6469

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18860

Females

6833

F45-49

6833

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19998

Females

7486

F45-49

7486

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

19174

Females

7069

F45-49

7069

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

18648

Females

6921

F45-49

6921

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26501

Females

11284

F45-49

11284

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

20074

Females

7952

F45-49

7952

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

21133

Females

8575

F45-49

8575

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22222

Females

9178

F45-49

9178

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

21503

Females

8855

F45-49

8855

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21251

Females

8791

F45-49

8791

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21015

Females

8659

F45-49

8659

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

21619

Females

8966

F45-49

8966

Passing Analysis

Category:
Athletes Passed
2595
Passed By
2446
Net Change
+149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20898
5K → 10K81683+733#20898#20165
10K → 15K65115+636#20165#19529
15K → 20K30197+204#19529#19325
20K → Half2248-26#19325#19351
Half → 25K193141+52#19351#19299
25K → 30K279158+121#19299#19178
30K → 20M61239-1233#19178#20411
20M → 21M9184+7#20411#20404
21M → 35K4982-33#20404#20437
35K → 23M52202-150#20437#20587
23M → 24M35114-79#20587#20666
24M → 40K4390-47#20666#20713
40K → 25.2M2534-9#20713#20722
25.2M → Finish3259-27#20722#20749
TOTALS25952446+149
📊

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