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BOSTON MARATHON 2025

Collette Soucy

MA

Bib: 11860 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Female)
#0 / 12228
Top 10%
Division (F18-39)
#0 / 5469
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:55/mi
21:29
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:51/mi
42:46
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:00/mi
1:04:31
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:13/mi
1:26:57
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:20/mi
1:31:57
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:21/mi
1:49:46
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:39/mi
2:13:32
↑ 181↓ 1480.2%
138 ft elev
20M
7:46/mi
2:24:05
↑ 64↓ 500.2%
148 ft elev
21M
8:05/mi
2:32:10
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:38/mi
2:37:53
↑ 17↓ 861.7%
156 ft elev
23M
7:55/mi
2:47:48
↑ 23↓ 630.6%
116 ft elev
24M
7:40/mi
2:55:28
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:42/mi
3:02:03
↓ 200.3%
20 ft elev
25.2M
8:10/mi
3:04:52
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:20/mi
3:12:20
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:57
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:40:23
Pace7:39 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:1921:296:5521:29
6:55
-
10K
6.21 mi11:33:3642:466:5321:17
6:51
-0:04
15K
9.32 mi11:55:211:04:316:5521:45
7:00
+0:09
20K
12.43 mi12:17:471:26:577:0022:26
7:13
+0:13
Half
13.11 mi12:22:471:31:577:015:00
7:20
+0:07
25K
15.53 mi12:40:361:49:467:0417:49
7:21
+0:01
30K
18.64 mi13:04:222:13:327:1023:46
7:39
+0:18
20M
20.00 mi13:14:552:24:057:1210:33
7:46
+0:07
21M
21.00 mi13:23:002:32:107:158:05
8:05
+0:19
35K
21.75 mi13:28:432:37:537:165:43
7:38
-0:27
23M
23.00 mi13:38:382:47:487:189:55
7:55
+0:17
24M
24.00 mi13:46:182:55:287:197:40
7:40
-0:15
40K
24.85 mi13:52:533:02:037:196:35
7:42
+0:02
25.2M
25.20 mi13:55:423:04:527:202:49
8:10
+0:28
Finish
26.22 mi14:03:103:12:207:207:28
7:20
-0:50

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

6:51 /mi

Average Pace

7:20 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:14

61% of race

Time at Steady Pace

1:04:12

33% of race

Time at Slower Pace

10:54

6% of race

Average Pace: 7:20 /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 mi11:12:1921:296:5521:29
6:55
#7200
10K
6.21 mi11:33:3642:466:5321:17
6:51
#7036
15K
9.32 mi11:55:211:04:316:5521:45
7:00
#7252
20K
12.43 mi12:17:471:26:577:0022:26
7:13
#7485
Half
13.11 mi12:22:471:31:577:015:00
7:20
#7582
25K
15.53 mi12:40:361:49:467:0417:49
7:21
#7709
30K
18.64 mi13:04:222:13:327:1023:46
7:39
#7776
20M
20.00 mi13:14:552:24:057:1210:33
7:46
#7778
21M
21.00 mi13:23:002:32:107:158:05
8:05
#7723
35K
21.75 mi13:28:432:37:537:165:43
7:38
#7753
23M
23.00 mi13:38:382:47:487:189:55
7:55
#7777
24M
24.00 mi13:46:182:55:287:197:40
7:40
#7805
40K
24.85 mi13:52:533:02:037:196:35
7:42
#7771
25.2M
25.20 mi13:55:423:04:527:202:49
8:10
#7734
Finish
26.22 mi14:03:103:12:207:207:28
7:20
#7704
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi72007377377649914914
10K6.21 mi3.10 mi7036+164703+34703+346886684684
15K9.32 mi3.11 mi7252-216768-65768-657649914914
20K12.43 mi3.11 mi7485-233847-79847-79839212661266
Half13.11 mi0.68 mi7582-97881-34881-341028020602060
25K15.53 mi2.42 mi7709-127943-62943-62872915131513
30K18.64 mi3.11 mi7776-671018-751018-75882717541754
20M20.00 mi1.36 mi7778-21055-371055-37879618771877
21M21.00 mi1.00 mi7723+551066-111066-11786316601660
35K21.75 mi0.75 mi7753-301105-391105-39964524202420
23M23.00 mi1.25 mi7777-241163-581163-58944624662466
24M24.00 mi1.00 mi7805-281205-421205-42890922722272
40K24.85 mi0.85 mi7771+341227-221227-22809520222022
25.2M25.20 mi0.35 mi7734+3712271227691615881588
Finish26.22 mi1.02 mi7704+301240-131240-13797520502050

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7649

Females

914

F18-39

914

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6886

Females

684

F18-39

684

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7649

Females

914

F18-39

914

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8392

Females

1266

F18-39

1266

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10280

Females

2060

F18-39

2060

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8729

Females

1513

F18-39

1513

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8827

Females

1754

F18-39

1754

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8796

Females

1877

F18-39

1877

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7863

Females

1660

F18-39

1660

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9645

Females

2420

F18-39

2420

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

9446

Females

2466

F18-39

2466

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8909

Females

2272

F18-39

2272

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

8095

Females

2022

F18-39

2022

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6916

Females

1588

F18-39

1588

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7975

Females

2050

F18-39

2050

Passing Analysis

Category:
Athletes Passed
1340
Passed By
1844
Net Change
-504
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7200
5K → 10K299135+164#7200#7036
10K → 15K81297-216#7036#7252
15K → 20K75308-233#7252#7485
20K → Half5102-97#7485#7582
Half → 25K77204-127#7582#7709
25K → 30K172239-67#7709#7776
30K → 20M9193-2#7776#7778
20M → 21M12065+55#7778#7723
21M → 35K5282-30#7723#7753
35K → 23M94118-24#7753#7777
23M → 24M6391-28#7777#7805
24M → 40K8248+34#7805#7771
40K → 25.2M5114+37#7771#7734
25.2M → Finish7848+30#7734#7704
TOTALS13401844-504

Passing Charts

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