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BOSTON MARATHON 2025

Heather Hayes

Bib: 21231•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
Masters (Masters Women)
#0 / 6759
Top 30%
Division (F45-49)
#0 / 1813
Top 37%
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
8:10/mi
25:22
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
51:54
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:17:28
↑ 67↓ 78
20K· 12.43 mi
8:31/mi
1:43:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:49:33
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:09:32
↑ 66↓ 880.2%
30K· 18.64 mi
9:15/mi
2:38:15
↑ 181↓ 1480.2%
20M
8:19/mi
2:49:33
↑ 64↓ 500.2%
21M
8:43/mi
2:58:16
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
3:03:59
↑ 17↓ 861.7%
23M
8:02/mi
3:14:02
↑ 23↓ 630.6%
24M
7:49/mi
3:21:51
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:28:37
↓ 200.3%
25.2M
9:25/mi
3:31:52
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:39:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:49:33
Pace8:21 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:50:11
Pace8:24 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1325:228:1025:22
8:10
-
10K
6.21 mi11:44:4551:548:2126:32
8:32
+0:22
15K
9.32 mi12:10:191:17:288:1925:34
8:14
-0:18
20K
12.43 mi12:36:461:43:558:2226:27
8:31
+0:17
Half
13.11 mi12:42:241:49:338:215:38
8:15
-0:16
25K
15.53 mi13:02:232:09:328:2019:59
8:15
0:00
30K
18.64 mi13:31:062:38:158:2928:43
9:15
+1:00
20M
20.00 mi13:42:242:49:338:2911:18
8:19
-0:56
21M
21.00 mi13:51:072:58:168:298:43
8:43
+0:24
35K
21.75 mi13:56:503:03:598:285:43
7:38
-1:05
23M
23.00 mi14:06:533:14:028:2610:03
8:02
+0:24
24M
24.00 mi14:14:423:21:518:257:49
7:49
-0:13
40K
24.85 mi14:21:283:28:378:246:46
7:55
+0:06
25.2M
25.20 mi14:24:433:31:528:243:15
9:25
+1:30
Finish
26.22 mi14:32:353:39:448:237:52
7:43
-1:42

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

7:38 /mi

Average Pace

8:23 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:10

13% of race

Time at Steady Pace

1:37:54

45% of race

Time at Slower Pace

1:33:40

43% of race

Average Pace: 8:23 /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 mi11:18:1325:228:1025:22
8:10
#17863
10K
6.21 mi11:44:4551:548:2126:32
8:32
#18943
15K
9.32 mi12:10:191:17:288:1925:34
8:14
#18469
20K
12.43 mi12:36:461:43:558:2226:27
8:31
#18400
Half
13.11 mi12:42:241:49:338:215:38
8:15
#18340
25K
15.53 mi13:02:232:09:328:2019:59
8:15
#17847
30K
18.64 mi13:31:062:38:158:2928:43
9:15
#18036
20M
20.00 mi13:42:242:49:338:2911:18
8:19
#17622
21M
21.00 mi13:51:072:58:168:298:43
8:43
#17290
35K
21.75 mi13:56:503:03:598:285:43
7:38
#17012
23M
23.00 mi14:06:533:14:028:2610:03
8:02
#16580
24M
24.00 mi14:14:423:21:518:257:49
7:49
#16263
40K
24.85 mi14:21:283:28:378:246:46
7:55
#16034
25.2M
25.20 mi14:24:433:31:528:243:15
9:25
#15994
Finish
26.22 mi14:32:353:39:448:237:52
7:43
#15801
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi178636257625717586(Top 62%)6066(Top 50%)6066(Top 335%)
10K6.21 mi3.10 mi18943-10806870-6136870-61320037(Top 71%)7482(Top 61%)7482(Top 413%)
15K9.32 mi3.11 mi18469+4746604+2666604+26617586(Top 62%)6066(Top 50%)6066(Top 335%)
20K12.43 mi3.11 mi18400+696568+366568+3618337(Top 65%)6525(Top 53%)6525(Top 360%)
Half13.11 mi0.68 mi18340+606535+336535+3317660(Top 62%)6114(Top 50%)6114(Top 337%)
25K15.53 mi2.42 mi17847+4936268+2676268+26715585(Top 55%)5069(Top 41%)5069(Top 280%)
30K18.64 mi3.11 mi18036-1896418-1506418-15018861(Top 66%)7041(Top 58%)7041(Top 388%)
20M20.00 mi1.36 mi17622+4146219+1996219+19912626(Top 44%)3773(Top 31%)3773(Top 208%)
21M21.00 mi1.00 mi17290+3326048+1716048+17111833(Top 42%)3518(Top 29%)3518(Top 194%)
35K21.75 mi0.75 mi17012+2785905+1435905+1439716(Top 34%)2491(Top 20%)2491(Top 137%)
23M23.00 mi1.25 mi16580+4325683+2225683+22210269(Top 36%)2887(Top 24%)2887(Top 159%)
24M24.00 mi1.00 mi16263+3175527+1565527+1569992(Top 35%)2822(Top 23%)2822(Top 156%)
40K24.85 mi0.85 mi16034+2295423+1045423+1049636(Top 34%)2761(Top 23%)2761(Top 152%)
25.2M25.20 mi0.35 mi15994+405417+65417+614230(Top 50%)5150(Top 42%)5150(Top 284%)
Finish26.22 mi1.02 mi15801+1935333+845333+8410896(Top 38%)3417(Top 28%)3417(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17586

Females

6066

F45-49

6066

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20037

Females

7482

F45-49

7482

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17586

Females

6066

F45-49

6066

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18337

Females

6525

F45-49

6525

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17660

Females

6114

F45-49

6114

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15585

Females

5069

F45-49

5069

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

18861

Females

7041

F45-49

7041

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

12626

Females

3773

F45-49

3773

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11833

Females

3518

F45-49

3518

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9716

Females

2491

F45-49

2491

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10269

Females

2887

F45-49

2887

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9992

Females

2822

F45-49

2822

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9636

Females

2761

F45-49

2761

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14230

Females

5150

F45-49

5150

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10896

Females

3417

F45-49

3417

Passing Analysis

Category:
Athletes Passed
3790
Passed By
1728
Net Change
+2062
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17863
5K → 10K431123-1080#17863#18943
10K → 15K51036+474#18943#18469
15K → 20K224155+69#18469#18400
20K → Half7010+60#18400#18340
Half → 25K5029+493#18340#17847
25K → 30K176365-189#17847#18036
30K → 20M4173+414#18036#17622
20M → 21M3375+332#17622#17290
21M → 35K2780+278#17290#17012
35K → 23M4320+432#17012#16580
23M → 24M3170+317#16580#16263
24M → 40K2312+229#16263#16034
40K → 25.2M5212+40#16034#15994
25.2M → Finish2018+193#15994#15801
TOTALS37901728+2062
📊

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