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BOSTON MARATHON 2025

Amelia Monaghan

Bib: 16298•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Division (F18-39)
#0 / 5469
Top 30%
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
7:12/mi
22:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:14/mi
44:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:07:31
↑ 67↓ 78
20K· 12.43 mi
7:26/mi
1:30:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:35:39
↑ 19↓ 370.5%
25K· 15.53 mi
7:38/mi
1:54:09
↑ 66↓ 880.2%
30K· 18.64 mi
7:55/mi
2:18:46
↑ 181↓ 1480.2%
20M
7:58/mi
2:29:35
↑ 64↓ 500.2%
21M
8:37/mi
2:38:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:43:52
↑ 17↓ 861.7%
23M
7:57/mi
2:53:49
↑ 23↓ 630.6%
24M
7:43/mi
3:01:32
↓ 821.3%
40K· 24.85 mi
7:43/mi
3:08:08
↓ 200.3%
25.2M
8:16/mi
3:10:59
↑ 13↓ 160.2%
Finish· 26.22 mi
7:24/mi
3:18:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:39
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:42:52
Pace7:51 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1222:237:1222:23
7:12
-
10K
6.21 mi11:18:4144:527:1322:29
7:14
+0:02
15K
9.32 mi11:41:201:07:317:1522:39
7:17
+0:03
20K
12.43 mi12:04:261:30:377:1823:06
7:26
+0:09
Half
13.11 mi12:09:281:35:397:185:02
7:23
-0:03
25K
15.53 mi12:27:581:54:097:2118:30
7:38
+0:15
30K
18.64 mi12:52:352:18:467:2724:37
7:55
+0:17
20M
20.00 mi13:03:242:29:357:2910:49
7:58
+0:03
21M
21.00 mi13:12:012:38:127:328:37
8:37
+0:39
35K
21.75 mi13:17:412:43:527:325:40
7:34
-1:03
23M
23.00 mi13:27:382:53:497:339:57
7:57
+0:23
24M
24.00 mi13:35:213:01:327:347:43
7:43
-0:14
40K
24.85 mi13:41:573:08:087:346:36
7:43
0:00
25.2M
25.20 mi13:44:483:10:597:352:51
8:16
+0:33
Finish
26.22 mi13:52:203:18:317:357:32
7:24
-0:52

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

7:12 /mi

Average Pace

7:35 /mi

Slowest Pace

8:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:17

84% of race

Time at Steady Pace

23:37

12% of race

Time at Slower Pace

8:37

4% of race

Average Pace: 7:34 /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 mi10:56:1222:237:1222:23
7:12
#9511
10K
6.21 mi11:18:4144:527:1322:29
7:14
#9642
15K
9.32 mi11:41:201:07:317:1522:39
7:17
#9699
20K
12.43 mi12:04:261:30:377:1823:06
7:26
#9802
Half
13.11 mi12:09:281:35:397:185:02
7:23
#9845
25K
15.53 mi12:27:581:54:097:2118:30
7:38
#9986
30K
18.64 mi12:52:352:18:467:2724:37
7:55
#10093
20M
20.00 mi13:03:242:29:357:2910:49
7:58
#10050
21M
21.00 mi13:12:012:38:127:328:37
8:37
#10117
35K
21.75 mi13:17:412:43:527:325:40
7:34
#10040
23M
23.00 mi13:27:382:53:497:339:57
7:57
#9992
24M
24.00 mi13:35:213:01:327:347:43
7:43
#9916
40K
24.85 mi13:41:573:08:087:346:36
7:43
#9822
25.2M
25.20 mi13:44:483:10:597:352:51
8:16
#9764
Finish
26.22 mi13:52:203:18:317:357:32
7:24
#9689
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9511159215929935(Top 35%)1858(Top 15%)1858(Top 34%)
10K6.21 mi3.10 mi9642-1311637-451637-459824(Top 35%)1753(Top 14%)1753(Top 32%)
15K9.32 mi3.11 mi9699-571695-581695-589935(Top 35%)1858(Top 15%)1858(Top 34%)
20K12.43 mi3.11 mi9802-1031777-821777-8210214(Top 36%)2063(Top 17%)2063(Top 38%)
Half13.11 mi0.68 mi9845-431798-211798-2110722(Top 38%)2287(Top 19%)2287(Top 42%)
25K15.53 mi2.42 mi9986-1411898-1001898-10010988(Top 39%)2577(Top 21%)2577(Top 47%)
30K18.64 mi3.11 mi10093-1072006-1082006-10810818(Top 38%)2691(Top 22%)2691(Top 49%)
20M20.00 mi1.36 mi10050+432013-72013-710183(Top 36%)2520(Top 21%)2520(Top 46%)
21M21.00 mi1.00 mi10117-672095-822095-8211212(Top 39%)3192(Top 26%)3192(Top 58%)
35K21.75 mi0.75 mi10040+772086+92086+99193(Top 32%)2215(Top 18%)2215(Top 41%)
23M23.00 mi1.25 mi9992+482107-212107-219644(Top 34%)2563(Top 21%)2563(Top 47%)
24M24.00 mi1.00 mi9916+762099+82099+89236(Top 33%)2434(Top 20%)2434(Top 45%)
40K24.85 mi0.85 mi9822+942094+52094+58251(Top 29%)2100(Top 17%)2100(Top 38%)
25.2M25.20 mi0.35 mi9764+582083+112083+117530(Top 27%)1870(Top 15%)1870(Top 34%)
Finish26.22 mi1.02 mi9689+752086-32086-38451(Top 30%)2262(Top 18%)2262(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9935

Females

1858

F18-39

1858

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9824

Females

1753

F18-39

1753

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9935

Females

1858

F18-39

1858

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10214

Females

2063

F18-39

2063

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10722

Females

2287

F18-39

2287

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10988

Females

2577

F18-39

2577

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10818

Females

2691

F18-39

2691

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10183

Females

2520

F18-39

2520

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11212

Females

3192

F18-39

3192

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9193

Females

2215

F18-39

2215

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9644

Females

2563

F18-39

2563

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9236

Females

2434

F18-39

2434

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8251

Females

2100

F18-39

2100

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7530

Females

1870

F18-39

1870

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8451

Females

2262

F18-39

2262

Passing Analysis

Category:
Athletes Passed
1672*
Passed By
1844
Net Change
-178
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9511
5K → 10K180310-131#9511#9642
10K → 15K153209-57#9642#9699
15K → 20K145248-103#9699#9802
20K → Half2265-43#9802#9845
Half → 25K112253-141#9845#9986
25K → 30K198303-107#9986#10093
30K → 20M14198+43#10093#10050
20M → 21M85151-67#10050#10117
21M → 35K9821+77#10117#10040
35K → 23M120*72+48#10040#9992
23M → 24M11741+76#9992#9916
24M → 40K12328+94#9916#9822
40K → 25.2M6911+58#9822#9764
25.2M → Finish10934+75#9764#9689
TOTALS1672*1844-178

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

📊

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