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BOSTON MARATHON 2025

Brandi Hearn

Bib: 18728•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Masters (Masters Women)
#0 / 6759
Top 16%
Division (F45-49)
#0 / 1813
Top 19%
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
8:13/mi
25:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
50:40
↑ 79↓ 1380.4%
15K· 9.32 mi
8:05/mi
1:15:47
↑ 67↓ 78
20K· 12.43 mi
8:04/mi
1:40:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:46:14
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:05:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:31:04
↑ 181↓ 1480.2%
20M
8:04/mi
2:42:02
↑ 64↓ 500.2%
21M
8:17/mi
2:50:19
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:55:58
↑ 17↓ 861.7%
23M
7:46/mi
3:05:42
↑ 23↓ 630.6%
24M
7:25/mi
3:13:07
↓ 821.3%
40K· 24.85 mi
7:30/mi
3:19:32
↓ 200.3%
25.2M
8:22/mi
3:22:25
↑ 13↓ 160.2%
Finish· 26.22 mi
7:10/mi
3:29:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:46:14
Pace8:06 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:29
Pace7:54 /mi
📊Negative Split: 2.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2425:318:1325:31
8:13
-
10K
6.21 mi11:42:3350:408:0925:09
8:06
-0:07
15K
9.32 mi12:07:401:15:478:0825:07
8:05
-0:01
20K
12.43 mi12:32:441:40:518:0725:04
8:04
-0:01
Half
13.11 mi12:38:071:46:148:065:23
7:53
-0:11
25K
15.53 mi12:57:392:05:468:0619:32
8:03
+0:10
30K
18.64 mi13:22:572:31:048:0625:18
8:09
+0:06
20M
20.00 mi13:33:552:42:028:0610:58
8:04
-0:05
21M
21.00 mi13:42:122:50:198:078:17
8:17
+0:13
35K
21.75 mi13:47:512:55:588:055:39
7:33
-0:44
23M
23.00 mi13:57:353:05:428:049:44
7:46
+0:13
24M
24.00 mi14:05:003:13:078:037:25
7:25
-0:21
40K
24.85 mi14:11:253:19:328:026:25
7:30
+0:05
25.2M
25.20 mi14:14:183:22:258:022:53
8:22
+0:52
Finish
26.22 mi14:21:363:29:438:007:18
7:10
-1:12

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

7:10 /mi

Average Pace

8:00 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:31

17% of race

Time at Steady Pace

2:53:12

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:00 /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 mi11:17:2425:318:1325:31
8:13
#18197
10K
6.21 mi11:42:3350:408:0925:09
8:06
#17659
15K
9.32 mi12:07:401:15:478:0825:07
8:05
#17299
20K
12.43 mi12:32:441:40:518:0725:04
8:04
#16794
Half
13.11 mi12:38:071:46:148:065:23
7:53
#16693
25K
15.53 mi12:57:392:05:468:0619:32
8:03
#16295
30K
18.64 mi13:22:572:31:048:0625:18
8:09
#15533
20M
20.00 mi13:33:552:42:028:0610:58
8:04
#15150
21M
21.00 mi13:42:122:50:198:078:17
8:17
#14743
35K
21.75 mi13:47:512:55:588:055:39
7:33
#14510
23M
23.00 mi13:57:353:05:428:049:44
7:46
#14133
24M
24.00 mi14:05:003:13:078:037:25
7:25
#13771
40K
24.85 mi14:11:253:19:328:026:25
7:30
#13465
25.2M
25.20 mi14:14:183:22:258:022:53
8:22
#13364
Finish
26.22 mi14:21:363:29:438:007:18
7:10
#13137
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi181976455645516637(Top 59%)5517(Top 45%)5517(Top 304%)
10K6.21 mi3.10 mi17659+5386127+3286127+32817153(Top 60%)5783(Top 47%)5783(Top 319%)
15K9.32 mi3.11 mi17299+3605890+2375890+23716637(Top 59%)5517(Top 45%)5517(Top 304%)
20K12.43 mi3.11 mi16794+5055614+2765614+27615408(Top 54%)4860(Top 40%)4860(Top 268%)
Half13.11 mi0.68 mi16693+1015554+605554+6015022(Top 53%)4605(Top 38%)4605(Top 254%)
25K15.53 mi2.42 mi16295+3985337+2175337+21714326(Top 50%)4379(Top 36%)4379(Top 242%)
30K18.64 mi3.11 mi15533+7624964+3734964+37312405(Top 44%)3507(Top 29%)3507(Top 193%)
20M20.00 mi1.36 mi15150+3834786+1784786+17810935(Top 38%)2922(Top 24%)2922(Top 161%)
21M21.00 mi1.00 mi14743+4074573+2134573+2139163(Top 32%)2243(Top 18%)2243(Top 124%)
35K21.75 mi0.75 mi14510+2334459+1144459+1149090(Top 32%)2184(Top 18%)2184(Top 120%)
23M23.00 mi1.25 mi14133+3774303+1564303+1568447(Top 30%)2025(Top 17%)2025(Top 112%)
24M24.00 mi1.00 mi13771+3624133+1704133+1707192(Top 25%)1547(Top 13%)1547(Top 85%)
40K24.85 mi0.85 mi13465+3063974+1593974+1596880(Top 24%)1520(Top 12%)1520(Top 84%)
25.2M25.20 mi0.35 mi13364+1013934+403934+408079(Top 28%)2137(Top 17%)2137(Top 118%)
Finish26.22 mi1.02 mi13137+2273840+943840+946862(Top 24%)1607(Top 13%)1607(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16637

Females

5517

F45-49

5517

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

17153

Females

5783

F45-49

5783

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16637

Females

5517

F45-49

5517

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15408

Females

4860

F45-49

4860

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

15022

Females

4605

F45-49

4605

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14326

Females

4379

F45-49

4379

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12405

Females

3507

F45-49

3507

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10935

Females

2922

F45-49

2922

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

9163

Females

2243

F45-49

2243

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9090

Females

2184

F45-49

2184

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8447

Females

2025

F45-49

2025

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

7192

Females

1547

F45-49

1547

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6880

Females

1520

F45-49

1520

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

8079

Females

2137

F45-49

2137

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6862

Females

1607

F45-49

1607

Passing Analysis

Category:
Athletes Passed
5254
Passed By
194
Net Change
+5060
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18197
5K → 10K62890+538#18197#17659
10K → 15K41959+360#17659#17299
15K → 20K52116+505#17299#16794
20K → Half1065+101#16794#16693
Half → 25K4057+398#16693#16295
25K → 30K7664+762#16295#15533
30K → 20M3852+383#15533#15150
20M → 21M4092+407#15150#14743
21M → 35K2341+233#14743#14510
35K → 23M3781+377#14510#14133
23M → 24M3631+362#14133#13771
24M → 40K3060+306#13771#13465
40K → 25.2M1021+101#13465#13364
25.2M → Finish2325+227#13364#13137
TOTALS5254194+5060
📊

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