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BOSTON MARATHON 2025

Michele Perez-Lopez

Bib: 17112•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Division (F18-39)
#0 / 5469
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:48
Rank: #10754
Start → 5K
22:48 | 7:20/mi
10K· 6.21 mi
45:18
Rank: #10262 (+492)
5K → 10K
22:30 | 7:15/mi
15K· 9.32 mi
1:07:46
Rank: #9950 (+312)
10K → 15K
22:28 | 7:14/mi
20K· 12.43 mi
1:29:58
Rank: #9339 (+611)
15K → 20K
22:12 | 7:09/mi
Half· 13.11 mi
1:34:46
Rank: #9245 (+94)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:51:53
Rank: #8702 (+543)
Half → 25K
17:07 | 7:04/mi
30K· 18.64 mi
2:14:19
Rank: #8070 (+632)
25K → 30K
22:26 | 7:13/mi
20M
2:24:05
Rank: #7775 (+295)
30K → 20M
9:46 | 7:11/mi
21M
2:31:32
Rank: #7496 (+279)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:36:47
Rank: #7376 (+120)
21M → 35K
5:15 | 7:01/mi
23M
2:45:40
Rank: #7127 (+249)
35K → 23M
8:53 | 7:06/mi
24M
2:52:36
Rank: #6948 (+179)
23M → 24M
6:56 | 6:56/mi
40K· 24.85 mi
2:58:32
Rank: #6757 (+191)
24M → 40K
5:56 | 6:56/mi
25.2M
3:01:11
Rank: #6675 (+82)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:08:05
Rank: #6513 (+162)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:34:46
Pace7:14 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:33:19
Pace7:07 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:0222:487:2022:48
7:20
-
10K
6.21 mi11:35:3245:187:1722:30
7:15
-0:05
15K
9.32 mi11:58:001:07:467:1622:28
7:14
-0:01
20K
12.43 mi12:20:121:29:587:1422:12
7:09
-0:05
Half
13.11 mi12:25:001:34:467:144:48
7:02
-0:07
25K
15.53 mi12:42:071:51:537:1217:07
7:04
+0:02
30K
18.64 mi13:04:332:14:197:1222:26
7:13
+0:09
20M
20.00 mi13:14:192:24:057:129:46
7:11
-0:02
21M
21.00 mi13:21:462:31:327:137:27
7:27
+0:16
35K
21.75 mi13:27:012:36:477:135:15
7:01
-0:26
23M
23.00 mi13:35:542:45:407:128:53
7:06
+0:05
24M
24.00 mi13:42:502:52:367:126:56
6:56
-0:10
40K
24.85 mi13:48:462:58:327:115:56
6:56
0:00
25.2M
25.20 mi13:51:253:01:117:112:39
7:41
+0:45
Finish
26.22 mi13:58:193:08:057:116:54
6:46
-0:55

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

6:46 /mi

Average Pace

7:11 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:59

95% of race

Time at Steady Pace

10:06

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi11:13:0222:487:2022:48
7:20
#10754
10K
6.21 mi11:35:3245:187:1722:30
7:15
#10262
15K
9.32 mi11:58:001:07:467:1622:28
7:14
#9950
20K
12.43 mi12:20:121:29:587:1422:12
7:09
#9339
Half
13.11 mi12:25:001:34:467:144:48
7:02
#9245
25K
15.53 mi12:42:071:51:537:1217:07
7:04
#8702
30K
18.64 mi13:04:332:14:197:1222:26
7:13
#8070
20M
20.00 mi13:14:192:24:057:129:46
7:11
#7775
21M
21.00 mi13:21:462:31:327:137:27
7:27
#7496
35K
21.75 mi13:27:012:36:477:135:15
7:01
#7376
23M
23.00 mi13:35:542:45:407:128:53
7:06
#7127
24M
24.00 mi13:42:502:52:367:126:56
6:56
#6948
40K
24.85 mi13:48:462:58:327:115:56
6:56
#6757
25.2M
25.20 mi13:51:253:01:117:112:39
7:41
#6675
Finish
26.22 mi13:58:193:08:057:116:54
6:46
#6513
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10754216021609391(Top 33%)1593(Top 13%)1593(Top 29%)
10K6.21 mi3.10 mi10262+4921934+2261934+2269859(Top 35%)1761(Top 14%)1761(Top 32%)
15K9.32 mi3.11 mi9950+3121816+1181816+1189391(Top 33%)1593(Top 13%)1593(Top 29%)
20K12.43 mi3.11 mi9339+6111565+2511565+2517796(Top 27%)1029(Top 8%)1029(Top 19%)
Half13.11 mi0.68 mi9245+941527+381527+387875(Top 28%)1034(Top 8%)1034(Top 19%)
25K15.53 mi2.42 mi8702+5431320+2071320+2076720(Top 24%)786(Top 6%)786(Top 14%)
30K18.64 mi3.11 mi8070+6321142+1781142+1786027(Top 21%)686(Top 6%)686(Top 13%)
20M20.00 mi1.36 mi7775+2951052+901052+905164(Top 18%)556(Top 5%)556(Top 10%)
21M21.00 mi1.00 mi7496+279993+59993+594394(Top 15%)460(Top 4%)460(Top 8%)
35K21.75 mi0.75 mi7376+120974+19974+195516(Top 19%)766(Top 6%)766(Top 14%)
23M23.00 mi1.25 mi7127+249930+44930+444337(Top 15%)493(Top 4%)493(Top 9%)
24M24.00 mi1.00 mi6948+179901+29901+294303(Top 15%)525(Top 4%)525(Top 10%)
40K24.85 mi0.85 mi6757+191868+33868+333616(Top 13%)411(Top 3%)411(Top 8%)
25.2M25.20 mi0.35 mi6675+82858+10858+104348(Top 15%)670(Top 5%)670(Top 12%)
Finish26.22 mi1.02 mi6513+162836+22836+224359(Top 15%)652(Top 5%)652(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9391

Females

1593

F18-39

1593

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9859

Females

1761

F18-39

1761

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9391

Females

1593

F18-39

1593

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7796

Females

1029

F18-39

1029

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7875

Females

1034

F18-39

1034

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6720

Females

786

F18-39

786

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

6027

Females

686

F18-39

686

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5164

Females

556

F18-39

556

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4394

Females

460

F18-39

460

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5516

Females

766

F18-39

766

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4337

Females

493

F18-39

493

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4303

Females

525

F18-39

525

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3616

Females

411

F18-39

411

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4348

Females

670

F18-39

670

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4359

Females

652

F18-39

652

Passing Analysis

Category:
Athletes Passed
4411*
Passed By
170
Net Change
+4241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10754
5K → 10K56876+492#10754#10262
10K → 15K363*51+312#10262#9950
15K → 20K6165+611#9950#9339
20K → Half962+94#9339#9245
Half → 25K5452+543#9245#8702
25K → 30K6331+632#8702#8070
30K → 20M2972+295#8070#7775
20M → 21M2834+279#7775#7496
21M → 35K1255+120#7496#7376
35K → 23M2523+249#7376#7127
23M → 24M1823+179#7127#6948
24M → 40K1954+191#6948#6757
40K → 25.2M853+82#6757#6675
25.2M → Finish1719+162#6675#6513
TOTALS4411*170+4241

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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