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BOSTON MARATHON 2025

Paulina Monraz

Bib: 18714•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 43%
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
7:59/mi
24:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
49:31
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:14:28
↑ 67↓ 78
20K· 12.43 mi
8:07/mi
1:39:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:45:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:05:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:37/mi
2:32:15
↑ 181↓ 1480.2%
20M
8:44/mi
2:44:07
↑ 64↓ 500.2%
21M
9:23/mi
2:53:30
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
2:59:48
↑ 17↓ 861.7%
23M
9:05/mi
3:11:10
↑ 23↓ 630.6%
24M
8:37/mi
3:19:47
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:27:09
↓ 200.3%
25.2M
9:31/mi
3:30:26
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:38:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:13
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:53:46
Pace8:41 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3824:497:5924:49
7:59
-
10K
6.21 mi11:41:2049:317:5824:42
7:57
-0:02
15K
9.32 mi12:06:171:14:287:5924:57
8:02
+0:05
20K
12.43 mi12:31:291:39:408:0125:12
8:07
+0:05
Half
13.11 mi12:37:021:45:138:025:33
8:08
+0:01
25K
15.53 mi12:57:182:05:298:0520:16
8:22
+0:14
30K
18.64 mi13:24:042:32:158:1026:46
8:37
+0:15
20M
20.00 mi13:35:562:44:078:1211:52
8:44
+0:07
21M
21.00 mi13:45:192:53:308:169:23
9:23
+0:39
35K
21.75 mi13:51:372:59:488:166:18
8:25
-0:58
23M
23.00 mi14:02:593:11:108:1911:22
9:05
+0:40
24M
24.00 mi14:11:363:19:478:198:37
8:37
-0:28
40K
24.85 mi14:18:583:27:098:207:22
8:37
0:00
25.2M
25.20 mi14:22:153:30:268:213:17
9:31
+0:54
Finish
26.22 mi14:30:483:38:598:218:33
8:23
-1:08

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

7:57 /mi

Average Pace

8:21 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:57

89% of race

Time at Steady Pace

11:22

5% of race

Time at Slower Pace

12:40

6% of race

Average Pace: 8:21 /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 mi11:16:3824:497:5924:49
7:59
#16495
10K
6.21 mi11:41:2049:317:5824:42
7:57
#16255
15K
9.32 mi12:06:171:14:287:5924:57
8:02
#16248
20K
12.43 mi12:31:291:39:408:0125:12
8:07
#16090
Half
13.11 mi12:37:021:45:138:025:33
8:08
#16144
25K
15.53 mi12:57:182:05:298:0520:16
8:22
#16158
30K
18.64 mi13:24:042:32:158:1026:46
8:37
#15992
20M
20.00 mi13:35:562:44:078:1211:52
8:44
#15901
21M
21.00 mi13:45:192:53:308:169:23
9:23
#15830
35K
21.75 mi13:51:372:59:488:166:18
8:25
#15761
23M
23.00 mi14:02:593:11:108:1911:22
9:05
#15757
24M
24.00 mi14:11:363:19:478:198:37
8:37
#15716
40K
24.85 mi14:18:583:27:098:207:22
8:37
#15640
25.2M
25.20 mi14:22:153:30:268:213:17
9:31
#15620
Finish
26.22 mi14:30:483:38:598:218:33
8:23
#15604
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi164955446544616289(Top 57%)5309(Top 43%)5309(Top 97%)
10K6.21 mi3.10 mi16255+2405300+1465300+14616082(Top 57%)5170(Top 42%)5170(Top 95%)
15K9.32 mi3.11 mi16248+75281+195281+1916289(Top 57%)5309(Top 43%)5309(Top 97%)
20K12.43 mi3.11 mi16090+1585208+735208+7315725(Top 55%)5050(Top 41%)5050(Top 92%)
Half13.11 mi0.68 mi16144-545243-355243-3516885(Top 59%)5688(Top 47%)5688(Top 104%)
25K15.53 mi2.42 mi16158-145251-85251-816292(Top 57%)5476(Top 45%)5476(Top 100%)
30K18.64 mi3.11 mi15992+1665215+365215+3615486(Top 55%)5169(Top 42%)5169(Top 95%)
20M20.00 mi1.36 mi15901+915213+25213+215277(Top 54%)5192(Top 42%)5192(Top 95%)
21M21.00 mi1.00 mi15830+715206+75206+715555(Top 55%)5480(Top 45%)5480(Top 100%)
35K21.75 mi0.75 mi15761+695191+155191+1515023(Top 53%)5240(Top 43%)5240(Top 96%)
23M23.00 mi1.25 mi15757+45229-385229-3816708(Top 59%)6275(Top 51%)6275(Top 115%)
24M24.00 mi1.00 mi15716+415218+115218+1115279(Top 54%)5529(Top 45%)5529(Top 101%)
40K24.85 mi0.85 mi15640+765203+155203+1514180(Top 50%)5060(Top 41%)5060(Top 93%)
25.2M25.20 mi0.35 mi15620+205200+35200+314740(Top 52%)5410(Top 44%)5410(Top 99%)
Finish26.22 mi1.02 mi15604+165213-135213-1315536(Top 55%)5776(Top 47%)5776(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16289

Females

5309

F18-39

5309

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16082

Females

5170

F18-39

5170

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16289

Females

5309

F18-39

5309

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15725

Females

5050

F18-39

5050

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16885

Females

5688

F18-39

5688

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16292

Females

5476

F18-39

5476

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15486

Females

5169

F18-39

5169

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

15277

Females

5192

F18-39

5192

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

15555

Females

5480

F18-39

5480

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15023

Females

5240

F18-39

5240

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16708

Females

6275

F18-39

6275

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15279

Females

5529

F18-39

5529

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14180

Females

5060

F18-39

5060

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14740

Females

5410

F18-39

5410

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15536

Females

5776

F18-39

5776

Passing Analysis

Category:
Athletes Passed
2207
Passed By
1316
Net Change
+891
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16495
5K → 10K418178+240#16495#16255
10K → 15K214207+7#16255#16248
15K → 20K285127+158#16248#16090
20K → Half1367-54#16090#16144
Half → 25K166180-14#16144#16158
25K → 30K297131+166#16158#15992
30K → 20M15463+91#15992#15901
20M → 21M15079+71#15901#15830
21M → 35K9930+69#15830#15761
35K → 23M108104+4#15761#15757
23M → 24M8645+41#15757#15716
24M → 40K11135+76#15716#15640
40K → 25.2M3313+20#15640#15620
25.2M → Finish7357+16#15620#15604
TOTALS22071316+891
📊

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