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BOSTON MARATHON 2025

Hayley Gahan

Bib: 29910•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
10:21/mi
32:08
↑ 97↓ 3451.5%
10K· 6.21 mi
10:45/mi
1:05:31
↑ 79↓ 1380.4%
15K· 9.32 mi
10:22/mi
1:37:45
↑ 67↓ 78
20K· 12.43 mi
10:44/mi
2:11:05
↑ 106↓ 860.1%
Half· 13.11 mi
10:01/mi
2:17:55
↑ 19↓ 370.5%
25K· 15.53 mi
11:46/mi
2:46:27
↑ 66↓ 880.2%
30K· 18.64 mi
11:24/mi
3:21:52
↑ 181↓ 1480.2%
20M
11:06/mi
3:36:57
↑ 64↓ 500.2%
21M
12:11/mi
3:49:08
↑ 106↓ 241.6%
35K· 21.75 mi
11:36/mi
3:57:49
↑ 17↓ 861.7%
23M
11:19/mi
4:11:59
↑ 23↓ 630.6%
24M
11:58/mi
4:23:57
↓ 821.3%
40K· 24.85 mi
11:15/mi
4:33:34
↓ 200.3%
25.2M
12:08/mi
4:37:45
↑ 13↓ 160.2%
Finish· 26.22 mi
10:40/mi
4:48:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:55
Pace10:31 /mi
2nd Half
Distance13.11 mi
Time2:30:42
Pace11:30 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:3532:0810:2132:08
10:21
-
10K
6.21 mi12:31:581:05:3110:3333:23
10:45
+0:24
15K
9.32 mi13:04:121:37:4510:2932:14
10:22
-0:23
20K
12.43 mi13:37:322:11:0510:3333:20
10:44
+0:22
Half
13.11 mi13:44:222:17:5510:316:50
10:01
-0:43
25K
15.53 mi14:12:542:46:2710:4328:32
11:46
+1:45
30K
18.64 mi14:48:193:21:5210:5035:25
11:24
-0:22
20M
20.00 mi15:03:243:36:5710:5115:05
11:06
-0:18
21M
21.00 mi15:15:353:49:0810:5512:11
12:11
+1:05
35K
21.75 mi15:24:163:57:4910:568:41
11:36
-0:35
23M
23.00 mi15:38:264:11:5910:5714:10
11:19
-0:17
24M
24.00 mi15:50:244:23:5711:0011:58
11:58
+0:39
40K
24.85 mi16:00:014:33:3411:009:37
11:15
-0:43
25.2M
25.20 mi16:04:124:37:4511:014:11
12:08
+0:53
Finish
26.22 mi16:15:044:48:3711:0110:52
10:40
-1:28

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

10:01 /mi

Average Pace

11:01 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:47

52% of race

Time at Steady Pace

1:14:17

26% of race

Time at Slower Pace

1:05:33

23% of race

Average Pace: 11:00 /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 mi11:58:3532:0810:2132:08
10:21
#26379
10K
6.21 mi12:31:581:05:3110:3333:23
10:45
#26578
15K
9.32 mi13:04:121:37:4510:2932:14
10:22
#26259
20K
12.43 mi13:37:322:11:0510:3333:20
10:44
#26062
Half
13.11 mi13:44:222:17:5510:316:50
10:01
#25991
25K
15.53 mi14:12:542:46:2710:4328:32
11:46
#26056
30K
18.64 mi14:48:193:21:5210:5035:25
11:24
#25808
20M
20.00 mi15:03:243:36:5710:5115:05
11:06
#25660
21M
21.00 mi15:15:353:49:0810:5512:11
12:11
#25566
35K
21.75 mi15:24:163:57:4910:568:41
11:36
#25559
23M
23.00 mi15:38:264:11:5910:5714:10
11:19
#25488
24M
24.00 mi15:50:244:23:5711:0011:58
11:58
#25511
40K
24.85 mi16:00:014:33:3411:009:37
11:15
#25444
25.2M
25.20 mi16:04:124:37:4511:014:11
12:08
#25418
Finish
26.22 mi16:15:044:48:3711:0110:52
10:40
#25389
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi26379109631096325718(Top 91%)10628(Top 87%)10628(Top 586%)
10K6.21 mi3.10 mi26578-19911092-12911092-12926675(Top 94%)11161(Top 91%)11161(Top 616%)
15K9.32 mi3.11 mi26259+31910925+16710925+16725718(Top 91%)10628(Top 87%)10628(Top 586%)
20K12.43 mi3.11 mi26062+19710819+10610819+10625588(Top 90%)10582(Top 87%)10582(Top 584%)
Half13.11 mi0.68 mi25991+7110785+3410785+3424843(Top 87%)10193(Top 83%)10193(Top 562%)
25K15.53 mi2.42 mi26056-6510829-4410829-4426167(Top 92%)10952(Top 90%)10952(Top 604%)
30K18.64 mi3.11 mi25808+24810724+10510724+10524697(Top 87%)10237(Top 84%)10237(Top 565%)
20M20.00 mi1.36 mi25660+14810662+6210662+6223792(Top 84%)9846(Top 81%)9846(Top 543%)
21M21.00 mi1.00 mi25566+9410613+4910613+4923895(Top 84%)9977(Top 82%)9977(Top 550%)
35K21.75 mi0.75 mi25559+710622-910622-925252(Top 89%)10718(Top 88%)10718(Top 591%)
23M23.00 mi1.25 mi25488+7110603+1910603+1923893(Top 84%)10049(Top 82%)10049(Top 554%)
24M24.00 mi1.00 mi25511-2310621-1810621-1825625(Top 90%)10948(Top 90%)10948(Top 604%)
40K24.85 mi0.85 mi25444+6710595+2610595+2623642(Top 83%)10008(Top 82%)10008(Top 552%)
25.2M25.20 mi0.35 mi25418+2610577+1810577+1823451(Top 83%)9897(Top 81%)9897(Top 546%)
Finish26.22 mi1.02 mi25389+2910572+510572+524629(Top 87%)10471(Top 86%)10471(Top 578%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25718

Females

10628

F45-49

10628

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

26675

Females

11161

F45-49

11161

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25718

Females

10628

F45-49

10628

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

25588

Females

10582

F45-49

10582

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24843

Females

10193

F45-49

10193

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

26167

Females

10952

F45-49

10952

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24697

Females

10237

F45-49

10237

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23792

Females

9846

F45-49

9846

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

23895

Females

9977

F45-49

9977

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25252

Females

10718

F45-49

10718

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23893

Females

10049

F45-49

10049

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25625

Females

10948

F45-49

10948

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23642

Females

10008

F45-49

10008

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23451

Females

9897

F45-49

9897

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24629

Females

10471

F45-49

10471

Passing Analysis

Category:
Athletes Passed
1597
Passed By
607
Net Change
+990
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26379
5K → 10K89288-199#26379#26578
10K → 15K33314+319#26578#26259
15K → 20K22629+197#26259#26062
20K → Half721+71#26062#25991
Half → 25K57122-65#25991#26056
25K → 30K26416+248#26056#25808
30K → 20M1491+148#25808#25660
20M → 21M1028+94#25660#25566
21M → 35K3124+7#25566#25559
35K → 23M8918+71#25559#25488
23M → 24M3457-23#25488#25511
24M → 40K7710+67#25511#25444
40K → 25.2M304+26#25444#25418
25.2M → Finish4415+29#25418#25389
TOTALS1597607+990
📊

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