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BOSTON MARATHON 2025

Haley Flanery

Bib: 17421•F

AL

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 31%
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
7:34/mi
47:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:32/mi
1:11:00
↑ 67↓ 78
20K· 12.43 mi
7:23/mi
1:33:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:38:54
↑ 19↓ 370.5%
25K· 15.53 mi
7:22/mi
1:56:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:32/mi
2:20:09
↑ 181↓ 1480.2%
20M
7:36/mi
2:30:28
↑ 64↓ 500.2%
21M
7:59/mi
2:38:27
↑ 106↓ 241.6%
35K· 21.75 mi
7:26/mi
2:44:01
↑ 17↓ 861.7%
23M
7:47/mi
2:53:46
↑ 23↓ 630.6%
24M
7:42/mi
3:01:28
↓ 821.3%
40K· 24.85 mi
7:47/mi
3:08:07
↓ 200.3%
25.2M
8:39/mi
3:11:06
↑ 13↓ 160.2%
Finish· 26.22 mi
7:36/mi
3:18:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:54
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:39:57
Pace7:37 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2524:067:4524:06
7:45
-
10K
6.21 mi11:41:5547:367:4023:30
7:34
-0:11
15K
9.32 mi12:05:191:11:007:3723:24
7:32
-0:02
20K
12.43 mi12:28:141:33:557:3322:55
7:23
-0:09
Half
13.11 mi12:33:131:38:547:334:59
7:18
-0:05
25K
15.53 mi12:51:041:56:457:3117:51
7:22
+0:04
30K
18.64 mi13:14:282:20:097:3123:24
7:32
+0:10
20M
20.00 mi13:24:472:30:287:3110:19
7:36
+0:04
21M
21.00 mi13:32:462:38:277:337:59
7:59
+0:23
35K
21.75 mi13:38:202:44:017:335:34
7:26
-0:33
23M
23.00 mi13:48:052:53:467:339:45
7:47
+0:21
24M
24.00 mi13:55:473:01:287:347:42
7:42
-0:05
40K
24.85 mi14:02:263:08:077:346:39
7:47
+0:05
25.2M
25.20 mi14:05:253:11:067:352:59
8:39
+0:52
Finish
26.22 mi14:13:103:18:517:357:45
7:36
-1:03

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

7:18 /mi

Average Pace

7:35 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:52

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

2:59

2% of race

Average Pace: 7:35 /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 mi11:18:2524:067:4524:06
7:45
#14440
10K
6.21 mi11:41:5547:367:4023:30
7:34
#13595
15K
9.32 mi12:05:191:11:007:3723:24
7:32
#13016
20K
12.43 mi12:28:141:33:557:3322:55
7:23
#12140
Half
13.11 mi12:33:131:38:547:334:59
7:18
#12021
25K
15.53 mi12:51:041:56:457:3117:51
7:22
#11466
30K
18.64 mi13:14:282:20:097:3123:24
7:32
#10745
20M
20.00 mi13:24:472:30:287:3110:19
7:36
#10449
21M
21.00 mi13:32:462:38:277:337:59
7:59
#10211
35K
21.75 mi13:38:202:44:017:335:34
7:26
#10105
23M
23.00 mi13:48:052:53:467:339:45
7:47
#9975
24M
24.00 mi13:55:473:01:287:347:42
7:42
#9890
40K
24.85 mi14:02:263:08:077:346:39
7:47
#9817
25.2M
25.20 mi14:05:253:11:067:352:59
8:39
#9802
Finish
26.22 mi14:13:103:18:517:357:45
7:36
#9771
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi144404176417612057(Top 42%)2933(Top 24%)2933(Top 54%)
10K6.21 mi3.10 mi13595+8453701+4753701+47512699(Top 45%)3195(Top 26%)3195(Top 58%)
15K9.32 mi3.11 mi13016+5793396+3053396+30512057(Top 42%)2933(Top 24%)2933(Top 54%)
20K12.43 mi3.11 mi12140+8762948+4482948+4489702(Top 34%)1832(Top 15%)1832(Top 33%)
Half13.11 mi0.68 mi12021+1192887+612887+6110107(Top 36%)2013(Top 16%)2013(Top 37%)
25K15.53 mi2.42 mi11466+5552631+2562631+2568859(Top 31%)1582(Top 13%)1582(Top 29%)
30K18.64 mi3.11 mi10745+7212335+2962335+2967987(Top 28%)1389(Top 11%)1389(Top 25%)
20M20.00 mi1.36 mi10449+2962221+1142221+1147668(Top 27%)1414(Top 12%)1414(Top 26%)
21M21.00 mi1.00 mi10211+2382147+742147+747297(Top 26%)1437(Top 12%)1437(Top 26%)
35K21.75 mi0.75 mi10105+1062120+272120+278266(Top 29%)1794(Top 15%)1794(Top 33%)
23M23.00 mi1.25 mi9975+1302098+222098+228519(Top 30%)2050(Top 17%)2050(Top 37%)
24M24.00 mi1.00 mi9890+852083+152083+159134(Top 32%)2390(Top 20%)2390(Top 44%)
40K24.85 mi0.85 mi9817+732090-72090-78637(Top 30%)2289(Top 19%)2289(Top 42%)
25.2M25.20 mi0.35 mi9802+152102-122102-129751(Top 34%)2877(Top 24%)2877(Top 53%)
Finish26.22 mi1.02 mi9771+312122-202122-209989(Top 35%)2971(Top 24%)2971(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

12057

Females

2933

F18-39

2933

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12699

Females

3195

F18-39

3195

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

12057

Females

2933

F18-39

2933

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9702

Females

1832

F18-39

1832

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10107

Females

2013

F18-39

2013

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8859

Females

1582

F18-39

1582

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7987

Females

1389

F18-39

1389

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7668

Females

1414

F18-39

1414

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

7297

Females

1437

F18-39

1437

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

8266

Females

1794

F18-39

1794

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8519

Females

2050

F18-39

2050

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9134

Females

2390

F18-39

2390

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8637

Females

2289

F18-39

2289

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9751

Females

2877

F18-39

2877

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9989

Females

2971

F18-39

2971

Passing Analysis

Category:
Athletes Passed
4982*
Passed By
312
Net Change
+4669
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14440
5K → 10K89449+845#14440#13595
10K → 15K60728+579#13595#13016
15K → 20K8771+876#13016#12140
20K → Half1190+119#12140#12021
Half → 25K5583+555#12021#11466
25K → 30K73110+721#11466#10745
30K → 20M3004+296#10745#10449
20M → 21M25012+238#10449#10211
21M → 35K12216+106#10211#10105
35K → 23M165*35+130#10105#9975
23M → 24M12237+85#9975#9890
24M → 40K10733+73#9890#9817
40K → 25.2M4631+15#9817#9802
25.2M → Finish8453+31#9802#9771
TOTALS4982*312+4669

* 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