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BOSTON MARATHON 2025

Monica Delgado

Bib: 22973•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 43%
Masters (Masters Women)
#0 / 6759
Top 29%
Division (F45-49)
#0 / 1813
Top 35%
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
7:55/mi
24:35
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
48:59
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:13:33
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:38:48
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:44:21
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:04:22
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:31:30
↑ 181↓ 1480.2%
20M
8:53/mi
2:43:34
↑ 64↓ 500.2%
21M
9:22/mi
2:52:56
↑ 106↓ 241.6%
35K· 21.75 mi
8:36/mi
2:59:22
↑ 17↓ 861.7%
23M
8:39/mi
3:10:12
↑ 23↓ 630.6%
24M
8:42/mi
3:18:54
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:26:39
↓ 200.3%
25.2M
10:23/mi
3:30:14
↑ 13↓ 160.2%
Finish· 26.22 mi
8:36/mi
3:39:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:21
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:54:39
Pace8:45 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5724:357:5524:35
7:55
-
10K
6.21 mi11:45:2148:597:5324:24
7:51
-0:04
15K
9.32 mi12:09:551:13:337:5324:34
7:54
+0:03
20K
12.43 mi12:35:101:38:487:5725:15
8:08
+0:14
Half
13.11 mi12:40:431:44:217:585:33
8:08
0:00
25K
15.53 mi13:00:442:04:228:0020:01
8:15
+0:07
30K
18.64 mi13:27:522:31:308:0827:08
8:44
+0:29
20M
20.00 mi13:39:562:43:348:1112:04
8:53
+0:09
21M
21.00 mi13:49:182:52:568:149:22
9:22
+0:29
35K
21.75 mi13:55:442:59:228:156:26
8:36
-0:46
23M
23.00 mi14:06:343:10:128:1610:50
8:39
+0:03
24M
24.00 mi14:15:163:18:548:178:42
8:42
+0:03
40K
24.85 mi14:23:013:26:398:197:45
9:04
+0:22
25.2M
25.20 mi14:26:363:30:148:213:35
10:23
+1:19
Finish
26.22 mi14:35:223:39:008:228:46
8:36
-1:47

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

7:51 /mi

Average Pace

8:22 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:22

57% of race

Time at Steady Pace

1:13:56

34% of race

Time at Slower Pace

20:42

9% 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 mi11:20:5724:357:5524:35
7:55
#15840
10K
6.21 mi11:45:2148:597:5324:24
7:51
#15514
15K
9.32 mi12:09:551:13:337:5324:34
7:54
#15428
20K
12.43 mi12:35:101:38:487:5725:15
8:08
#15549
Half
13.11 mi12:40:431:44:217:585:33
8:08
#15628
25K
15.53 mi13:00:442:04:228:0020:01
8:15
#15598
30K
18.64 mi13:27:522:31:308:0827:08
8:44
#15727
20M
20.00 mi13:39:562:43:348:1112:04
8:53
#15690
21M
21.00 mi13:49:182:52:568:149:22
9:22
#15649
35K
21.75 mi13:55:442:59:228:156:26
8:36
#15641
23M
23.00 mi14:06:343:10:128:1610:50
8:39
#15514
24M
24.00 mi14:15:163:18:548:178:42
8:42
#15520
40K
24.85 mi14:23:013:26:398:197:45
9:04
#15521
25.2M
25.20 mi14:26:363:30:148:213:35
10:23
#15577
Finish
26.22 mi14:35:223:39:008:228:46
8:36
#15610
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi158405049504915318(Top 54%)4762(Top 39%)4762(Top 263%)
10K6.21 mi3.10 mi15514+3264850+1994850+19915311(Top 54%)4731(Top 39%)4731(Top 261%)
15K9.32 mi3.11 mi15428+864803+474803+4715318(Top 54%)4762(Top 39%)4762(Top 263%)
20K12.43 mi3.11 mi15549-1214895-924895-9215851(Top 56%)5130(Top 42%)5130(Top 283%)
Half13.11 mi0.68 mi15628-794947-524947-5216887(Top 59%)5690(Top 47%)5690(Top 314%)
25K15.53 mi2.42 mi15598+304942+54942+515658(Top 55%)5106(Top 42%)5106(Top 282%)
30K18.64 mi3.11 mi15727-1295072-1305072-13016192(Top 57%)5579(Top 46%)5579(Top 308%)
20M20.00 mi1.36 mi15690+375094-225094-2216120(Top 57%)5662(Top 46%)5662(Top 312%)
21M21.00 mi1.00 mi15649+415105-115105-1115486(Top 55%)5444(Top 45%)5444(Top 300%)
35K21.75 mi0.75 mi15641+85117-125117-1216078(Top 57%)5821(Top 48%)5821(Top 321%)
23M23.00 mi1.25 mi15514+1275078+395078+3914281(Top 50%)4953(Top 41%)4953(Top 273%)
24M24.00 mi1.00 mi15520-65097-195097-1915764(Top 55%)5782(Top 47%)5782(Top 319%)
40K24.85 mi0.85 mi15521-15143-465143-4616700(Top 59%)6418(Top 52%)6418(Top 354%)
25.2M25.20 mi0.35 mi15577-565182-395182-3918617(Top 66%)7428(Top 61%)7428(Top 410%)
Finish26.22 mi1.02 mi15610-335217-355217-3516867(Top 59%)6489(Top 53%)6489(Top 358%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15318

Females

4762

F45-49

4762

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15311

Females

4731

F45-49

4731

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15318

Females

4762

F45-49

4762

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15851

Females

5130

F45-49

5130

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16887

Females

5690

F45-49

5690

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15658

Females

5106

F45-49

5106

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16192

Females

5579

F45-49

5579

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16120

Females

5662

F45-49

5662

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

15486

Females

5444

F45-49

5444

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16078

Females

5821

F45-49

5821

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

14281

Females

4953

F45-49

4953

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15764

Females

5782

F45-49

5782

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16700

Females

6418

F45-49

6418

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18617

Females

7428

F45-49

7428

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16867

Females

6489

F45-49

6489

Passing Analysis

Category:
Athletes Passed
2020
Passed By
1790
Net Change
+230
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15840
5K → 10K498172+326#15840#15514
10K → 15K237151+86#15514#15428
15K → 20K169290-121#15428#15549
20K → Half1190-79#15549#15628
Half → 25K193163+30#15628#15598
25K → 30K197326-129#15598#15727
30K → 20M148111+37#15727#15690
20M → 21M13796+41#15690#15649
21M → 35K5951+8#15649#15641
35K → 23M16942+127#15641#15514
23M → 24M6773-6#15514#15520
24M → 40K6566-1#15520#15521
40K → 25.2M1773-56#15521#15577
25.2M → Finish5386-33#15577#15610
TOTALS20201790+230
📊

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