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BOSTON MARATHON 2025

Angela Corcoran

Bib: 17681•F

TN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 45%
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
7:28/mi
23:12
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
46:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:10:24
↑ 67↓ 78
20K· 12.43 mi
8:12/mi
1:35:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:41:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:06/mi
2:00:55
↑ 66↓ 880.2%
30K· 18.64 mi
8:23/mi
2:26:58
↑ 181↓ 1480.2%
20M
8:15/mi
2:38:10
↑ 64↓ 500.2%
21M
8:34/mi
2:46:44
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:52:37
↑ 17↓ 861.7%
23M
8:06/mi
3:02:45
↑ 23↓ 630.6%
24M
7:34/mi
3:10:19
↓ 821.3%
40K· 24.85 mi
7:22/mi
3:16:37
↓ 200.3%
25.2M
7:53/mi
3:19:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:00/mi
3:26:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:17
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:45:11
Pace8:01 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:3023:127:2823:12
7:28
-
10K
6.21 mi11:37:0246:447:3123:32
7:34
+0:06
15K
9.32 mi12:00:421:10:247:3323:40
7:37
+0:03
20K
12.43 mi12:26:111:35:537:4325:29
8:12
+0:35
Half
13.11 mi12:31:351:41:177:445:24
7:55
-0:17
25K
15.53 mi12:51:132:00:557:4719:38
8:06
+0:11
30K
18.64 mi13:17:162:26:587:5326:03
8:23
+0:17
20M
20.00 mi13:28:282:38:107:5411:12
8:15
-0:08
21M
21.00 mi13:37:022:46:447:568:34
8:34
+0:19
35K
21.75 mi13:42:552:52:377:565:53
7:52
-0:42
23M
23.00 mi13:53:033:02:457:5710:08
8:06
+0:14
24M
24.00 mi14:00:373:10:197:567:34
7:34
-0:32
40K
24.85 mi14:06:553:16:377:556:18
7:22
-0:12
25.2M
25.20 mi14:09:383:19:207:552:43
7:53
+0:31
Finish
26.22 mi14:16:463:26:287:537:08
7:00
-0:53

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

7:00 /mi

Average Pace

7:53 /mi

Slowest Pace

8:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:24

44% of race

Time at Steady Pace

14:00

7% of race

Time at Slower Pace

1:41:04

49% of race

Average Pace: 7:52 /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 mi11:13:3023:127:2823:12
7:28
#11972
10K
6.21 mi11:37:0246:447:3123:32
7:34
#12328
15K
9.32 mi12:00:421:10:247:3323:40
7:37
#12464
20K
12.43 mi12:26:111:35:537:4325:29
8:12
#13508
Half
13.11 mi12:31:351:41:177:445:24
7:55
#13585
25K
15.53 mi12:51:132:00:557:4719:38
8:06
#13755
30K
18.64 mi13:17:162:26:587:5326:03
8:23
#13754
20M
20.00 mi13:28:282:38:107:5411:12
8:15
#13596
21M
21.00 mi13:37:022:46:447:568:34
8:34
#13385
35K
21.75 mi13:42:552:52:377:565:53
7:52
#13307
23M
23.00 mi13:53:033:02:457:5710:08
8:06
#13112
24M
24.00 mi14:00:373:10:197:567:34
7:34
#12871
40K
24.85 mi14:06:553:16:377:556:18
7:22
#12569
25.2M
25.20 mi14:09:383:19:207:552:43
7:53
#12421
Finish
26.22 mi14:16:463:26:287:537:08
7:00
#12129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi119722785278512761(Top 45%)3314(Top 27%)3314(Top 61%)
10K6.21 mi3.10 mi12328-3562976-1912976-19112805(Top 45%)3254(Top 27%)3254(Top 59%)
15K9.32 mi3.11 mi12464-1363083-1073083-10712761(Top 45%)3314(Top 27%)3314(Top 61%)
20K12.43 mi3.11 mi13508-10443735-6523735-65216323(Top 57%)5395(Top 44%)5395(Top 99%)
Half13.11 mi0.68 mi13585-773782-473782-4715211(Top 54%)4708(Top 39%)4708(Top 86%)
25K15.53 mi2.42 mi13755-1703898-1163898-11614627(Top 51%)4545(Top 37%)4545(Top 83%)
30K18.64 mi3.11 mi13754+13967-693967-6914048(Top 49%)4395(Top 36%)4395(Top 80%)
20M20.00 mi1.36 mi13596+1583905+623905+6212089(Top 43%)3493(Top 29%)3493(Top 64%)
21M21.00 mi1.00 mi13385+2113823+823823+8210927(Top 38%)3064(Top 25%)3064(Top 56%)
35K21.75 mi0.75 mi13307+783798+253798+2511338(Top 40%)3290(Top 27%)3290(Top 60%)
23M23.00 mi1.25 mi13112+1953733+653733+6510728(Top 38%)3100(Top 25%)3100(Top 57%)
24M24.00 mi1.00 mi12871+2413629+1043629+1048224(Top 29%)1978(Top 16%)1978(Top 36%)
40K24.85 mi0.85 mi12569+3023489+1403489+1406073(Top 21%)1181(Top 10%)1181(Top 22%)
25.2M25.20 mi0.35 mi12421+1483428+613428+615429(Top 19%)1059(Top 9%)1059(Top 19%)
Finish26.22 mi1.02 mi12129+2923310+1183310+1185783(Top 20%)1178(Top 10%)1178(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12761

Females

3314

F18-39

3314

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12805

Females

3254

F18-39

3254

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12761

Females

3314

F18-39

3314

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16323

Females

5395

F18-39

5395

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15211

Females

4708

F18-39

4708

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14627

Females

4545

F18-39

4545

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

14048

Females

4395

F18-39

4395

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12089

Females

3493

F18-39

3493

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10927

Females

3064

F18-39

3064

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11338

Females

3290

F18-39

3290

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10728

Females

3100

F18-39

3100

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

8224

Females

1978

F18-39

1978

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6073

Females

1181

F18-39

1181

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5429

Females

1059

F18-39

1059

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5783

Females

1178

F18-39

1178

Passing Analysis

Category:
Athletes Passed
2434
Passed By
2591
Net Change
-157
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11972
5K → 10K128484-356#11972#12328
10K → 15K133269-136#12328#12464
15K → 20K431087-1044#12464#13508
20K → Half885-77#13508#13585
Half → 25K137307-170#13585#13755
25K → 30K246245+1#13755#13754
30K → 20M19739+158#13754#13596
20M → 21M22514+211#13596#13385
21M → 35K10527+78#13385#13307
35K → 23M22126+195#13307#13112
23M → 24M2454+241#13112#12871
24M → 40K3031+302#12871#12569
40K → 25.2M1491+148#12569#12421
25.2M → Finish2942+292#12421#12129
TOTALS24342591-157
📊

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