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BOSTON MARATHON 2025

Bryanna Clancy

Bib: 13912•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 43%
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
7:07/mi
22:07
↑ 97↓ 3451.5%
10K· 6.21 mi
7:11/mi
44:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:16/mi
1:07:00
↑ 67↓ 78
20K· 12.43 mi
7:15/mi
1:29:30
↑ 106↓ 860.1%
Half· 13.11 mi
7:09/mi
1:34:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:14/mi
1:51:56
↑ 66↓ 880.2%
30K· 18.64 mi
7:48/mi
2:16:11
↑ 181↓ 1480.2%
20M
8:45/mi
2:28:05
↑ 64↓ 500.2%
21M
9:36/mi
2:37:41
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
2:43:37
↑ 17↓ 861.7%
23M
8:42/mi
2:54:30
↑ 23↓ 630.6%
24M
8:55/mi
3:03:25
↓ 821.3%
40K· 24.85 mi
9:33/mi
3:11:35
↓ 200.3%
25.2M
11:56/mi
3:15:42
↑ 13↓ 160.2%
Finish· 26.22 mi
9:35/mi
3:25:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:23
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:51:05
Pace8:28 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4622:077:0722:07
7:07
-
10K
6.21 mi11:13:0544:267:0922:19
7:11
+0:04
15K
9.32 mi11:35:391:07:007:1122:34
7:16
+0:05
20K
12.43 mi11:58:091:29:307:1222:30
7:15
-0:01
Half
13.11 mi12:03:021:34:237:124:53
7:09
-0:06
25K
15.53 mi12:20:351:51:567:1217:33
7:14
+0:05
30K
18.64 mi12:44:502:16:117:1824:15
7:48
+0:34
20M
20.00 mi12:56:442:28:057:2411:54
8:45
+0:57
21M
21.00 mi13:06:202:37:417:319:36
9:36
+0:51
35K
21.75 mi13:12:162:43:377:315:56
7:56
-1:40
23M
23.00 mi13:23:092:54:307:3510:53
8:42
+0:46
24M
24.00 mi13:32:043:03:257:398:55
8:55
+0:13
40K
24.85 mi13:40:143:11:357:428:10
9:33
+0:38
25.2M
25.20 mi13:44:213:15:427:464:07
11:56
+2:23
Finish
26.22 mi13:54:073:25:287:519:46
9:35
-2:21

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

7:07 /mi

Average Pace

7:51 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:56

54% of race

Time at Steady Pace

30:11

15% of race

Time at Slower Pace

1:03:21

31% of race

Average Pace: 7:50 /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 mi10:50:4622:077:0722:07
7:07
#8831
10K
6.21 mi11:13:0544:267:0922:19
7:11
#9049
15K
9.32 mi11:35:391:07:007:1122:34
7:16
#9244
20K
12.43 mi11:58:091:29:307:1222:30
7:15
#9012
Half
13.11 mi12:03:021:34:237:124:53
7:09
#8989
25K
15.53 mi12:20:351:51:567:1217:33
7:14
#8728
30K
18.64 mi12:44:502:16:117:1824:15
7:48
#8892
20M
20.00 mi12:56:442:28:057:2411:54
8:45
#9416
21M
21.00 mi13:06:202:37:417:319:36
9:36
#9871
35K
21.75 mi13:12:162:43:377:315:56
7:56
#9939
23M
23.00 mi13:23:092:54:307:3510:53
8:42
#10250
24M
24.00 mi13:32:043:03:257:398:55
8:55
#10561
40K
24.85 mi13:40:143:11:357:428:10
9:33
#10924
25.2M
25.20 mi13:44:213:15:427:464:07
11:56
#11249
Finish
26.22 mi13:54:073:25:287:519:46
9:35
#11822
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8831130313039705(Top 34%)1757(Top 14%)1757(Top 32%)
10K6.21 mi3.10 mi9049-2181399-961399-969364(Top 33%)1544(Top 13%)1544(Top 28%)
15K9.32 mi3.11 mi9244-1951499-1001499-1009705(Top 34%)1757(Top 14%)1757(Top 32%)
20K12.43 mi3.11 mi9012+2321420+791420+798573(Top 30%)1345(Top 11%)1345(Top 25%)
Half13.11 mi0.68 mi8989+231414+61414+68836(Top 31%)1448(Top 12%)1448(Top 26%)
25K15.53 mi2.42 mi8728+2611330+841330+847923(Top 28%)1191(Top 10%)1191(Top 22%)
30K18.64 mi3.11 mi8892-1641465-1351465-13510008(Top 35%)2294(Top 19%)2294(Top 42%)
20M20.00 mi1.36 mi9416-5241733-2681733-26815420(Top 54%)5270(Top 43%)5270(Top 96%)
21M21.00 mi1.00 mi9871-4551966-2331966-23316549(Top 58%)5995(Top 49%)5995(Top 110%)
35K21.75 mi0.75 mi9939-682033-672033-6711801(Top 42%)3540(Top 29%)3540(Top 65%)
23M23.00 mi1.25 mi10250-3112242-2092242-20914503(Top 51%)5061(Top 41%)5061(Top 93%)
24M24.00 mi1.00 mi10561-3112421-1792421-17916930(Top 60%)6454(Top 53%)6454(Top 118%)
40K24.85 mi0.85 mi10924-3632655-2342655-23418907(Top 67%)7577(Top 62%)7577(Top 139%)
25.2M25.20 mi0.35 mi11249-3252843-1882843-18823103(Top 81%)9701(Top 79%)9701(Top 177%)
Finish26.22 mi1.02 mi11822-5733166-3233166-32321492(Top 76%)8899(Top 73%)8899(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9705

Females

1757

F18-39

1757

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

9364

Females

1544

F18-39

1544

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9705

Females

1757

F18-39

1757

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8573

Females

1345

F18-39

1345

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8836

Females

1448

F18-39

1448

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7923

Females

1191

F18-39

1191

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

10008

Females

2294

F18-39

2294

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

15420

Females

5270

F18-39

5270

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16549

Females

5995

F18-39

5995

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11801

Females

3540

F18-39

3540

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14503

Females

5061

F18-39

5061

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

16930

Females

6454

F18-39

6454

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

18907

Females

7577

F18-39

7577

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23103

Females

9701

F18-39

9701

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

21492

Females

8899

F18-39

8899

Passing Analysis

Category:
Athletes Passed
1207
Passed By
4195
Net Change
-2991
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8831
5K → 10K130348-218#8831#9049
10K → 15K96291-195#9049#9244
15K → 20K28856+232#9244#9012
20K → Half4724+23#9012#8989
Half → 25K29635+261#8989#8728
25K → 30K164328-164#8728#8892
30K → 20M23547-524#8892#9416
20M → 21M19474-455#9416#9871
21M → 35K50117-68#9871#9939
35K → 23M42351-311#9939#10250
23M → 24M24335-311#10250#10561
24M → 40K14377-363#10561#10924
40K → 25.2M2327-325#10924#11249
25.2M → Finish12585-573#11249#11822
TOTALS12074195-2991
📊

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