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BOSTON MARATHON 2025

Megan Delaney

Bib: 15962•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 35%
Gender (Female)
#0 / 12228
Top 18%
Masters (Masters Women)
#0 / 6759
Top 7%
Division (F40-44)
#0 / 1718
Top 15%
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
7:45/mi
24:06
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
48:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:11:46
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:35:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:40:30
↑ 19↓ 370.5%
25K· 15.53 mi
7:36/mi
1:58:55
↑ 66↓ 880.2%
30K· 18.64 mi
7:43/mi
2:22:52
↑ 181↓ 1480.2%
20M
7:39/mi
2:33:16
↑ 64↓ 500.2%
21M
7:51/mi
2:41:07
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:46:48
↑ 17↓ 861.7%
23M
7:32/mi
2:56:14
↑ 23↓ 630.6%
24M
7:15/mi
3:03:29
↓ 821.3%
40K· 24.85 mi
7:14/mi
3:09:40
↓ 200.3%
25.2M
7:35/mi
3:12:17
↑ 13↓ 160.2%
Finish· 26.22 mi
6:49/mi
3:19:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:40:30
Pace7:40 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:38:44
Pace7:32 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:3924:067:4524:06
7:45
-
10K
6.21 mi11:21:3548:027:4423:56
7:42
-0:03
15K
9.32 mi11:45:191:11:467:4223:44
7:38
-0:04
20K
12.43 mi12:08:521:35:197:4023:33
7:35
-0:03
Half
13.11 mi12:14:031:40:307:405:11
7:36
+0:01
25K
15.53 mi12:32:281:58:557:3918:25
7:36
0:00
30K
18.64 mi12:56:252:22:527:4023:57
7:43
+0:07
20M
20.00 mi13:06:492:33:167:4010:24
7:39
-0:04
21M
21.00 mi13:14:402:41:077:407:51
7:51
+0:12
35K
21.75 mi13:20:212:46:487:405:41
7:36
-0:15
23M
23.00 mi13:29:472:56:147:409:26
7:32
-0:04
24M
24.00 mi13:37:023:03:297:397:15
7:15
-0:17
40K
24.85 mi13:43:133:09:407:386:11
7:14
-0:01
25.2M
25.20 mi13:45:503:12:177:382:37
7:35
+0:21
Finish
26.22 mi13:52:473:19:147:366:57
6:49
-0:46

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

6:49 /mi

Average Pace

7:36 /mi

Slowest Pace

7:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:23

10% of race

Time at Steady Pace

2:58:51

90% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi10:57:3924:067:4524:06
7:45
#14441
10K
6.21 mi11:21:3548:027:4423:56
7:42
#14148
15K
9.32 mi11:45:191:11:467:4223:44
7:38
#13739
20K
12.43 mi12:08:521:35:197:4023:33
7:35
#13101
Half
13.11 mi12:14:031:40:307:405:11
7:36
#13068
25K
15.53 mi12:32:281:58:557:3918:25
7:36
#12642
30K
18.64 mi12:56:252:22:527:4023:57
7:43
#11945
20M
20.00 mi13:06:492:33:167:4010:24
7:39
#11579
21M
21.00 mi13:14:402:41:077:407:51
7:51
#11252
35K
21.75 mi13:20:212:46:487:405:41
7:36
#11161
23M
23.00 mi13:29:472:56:147:409:26
7:32
#10837
24M
24.00 mi13:37:023:03:297:397:15
7:15
#10584
40K
24.85 mi13:43:133:09:407:386:11
7:14
#10326
25.2M
25.20 mi13:45:503:12:177:382:37
7:35
#10173
Finish
26.22 mi13:52:473:19:147:366:57
6:49
#9906
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi144414177417712950(Top 46%)3414(Top 28%)3414(Top 199%)
10K6.21 mi3.10 mi14148+2934024+1534024+15313926(Top 49%)3913(Top 32%)3913(Top 228%)
15K9.32 mi3.11 mi13739+4093817+2073817+20712950(Top 46%)3414(Top 28%)3414(Top 199%)
20K12.43 mi3.11 mi13101+6383500+3173500+31711435(Top 40%)2700(Top 22%)2700(Top 157%)
Half13.11 mi0.68 mi13068+333484+163484+1612550(Top 44%)3234(Top 26%)3234(Top 188%)
25K15.53 mi2.42 mi12642+4263269+2153269+21510732(Top 38%)2445(Top 20%)2445(Top 142%)
30K18.64 mi3.11 mi11945+6972967+3022967+3029257(Top 33%)1946(Top 16%)1946(Top 113%)
20M20.00 mi1.36 mi11579+3662814+1532814+1538080(Top 28%)1574(Top 13%)1574(Top 92%)
21M21.00 mi1.00 mi11252+3272682+1322682+1326539(Top 23%)1130(Top 9%)1130(Top 66%)
35K21.75 mi0.75 mi11161+912657+252657+259357(Top 33%)2298(Top 19%)2298(Top 134%)
23M23.00 mi1.25 mi10837+3242524+1332524+1336862(Top 24%)1345(Top 11%)1345(Top 78%)
24M24.00 mi1.00 mi10584+2532432+922432+926169(Top 22%)1145(Top 9%)1145(Top 67%)
40K24.85 mi0.85 mi10326+2582336+962336+965280(Top 19%)879(Top 7%)879(Top 51%)
25.2M25.20 mi0.35 mi10173+1532279+572279+573927(Top 14%)561(Top 5%)561(Top 33%)
Finish26.22 mi1.02 mi9906+2672174+1052174+1054662(Top 16%)757(Top 6%)757(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12950

Females

3414

F40-44

3414

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13926

Females

3913

F40-44

3913

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12950

Females

3414

F40-44

3414

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11435

Females

2700

F40-44

2700

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12550

Females

3234

F40-44

3234

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10732

Females

2445

F40-44

2445

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

9257

Females

1946

F40-44

1946

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

8080

Females

1574

F40-44

1574

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6539

Females

1130

F40-44

1130

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9357

Females

2298

F40-44

2298

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6862

Females

1345

F40-44

1345

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

6169

Females

1145

F40-44

1145

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5280

Females

879

F40-44

879

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3927

Females

561

F40-44

561

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4662

Females

757

F40-44

757

Passing Analysis

Category:
Athletes Passed
4831*
Passed By
296
Net Change
+4535
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14441
5K → 10K449156+293#14441#14148
10K → 15K46253+409#14148#13739
15K → 20K6468+638#13739#13101
20K → Half5825+33#13101#13068
Half → 25K4348+426#13068#12642
25K → 30K71013+697#12642#11945
30K → 20M3671+366#11945#11579
20M → 21M3303+327#11579#11252
21M → 35K10918+91#11252#11161
35K → 23M3295+324#11161#10837
23M → 24M2563+253#10837#10584
24M → 40K2580+258#10584#10326
40K → 25.2M1541+153#10326#10173
25.2M → Finish269*2+267#10173#9906
TOTALS4831*296+4535

* 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