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BOSTON MARATHON 2025

Brittany Yates

Bib: 20700•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
8:30/mi
26:23
↑ 97↓ 3451.5%
10K· 6.21 mi
8:44/mi
53:30
↑ 79↓ 1380.4%
15K· 9.32 mi
8:49/mi
1:20:52
↑ 67↓ 78
20K· 12.43 mi
8:48/mi
1:48:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:49/mi
1:54:14
↑ 19↓ 370.5%
25K· 15.53 mi
9:04/mi
2:16:13
↑ 66↓ 880.2%
30K· 18.64 mi
9:45/mi
2:46:29
↑ 181↓ 1480.2%
20M
9:53/mi
2:59:55
↑ 64↓ 500.2%
21M
11:54/mi
3:11:49
↑ 106↓ 241.6%
35K· 21.75 mi
9:45/mi
3:19:07
↑ 17↓ 861.7%
23M
10:34/mi
3:32:21
↑ 23↓ 630.6%
24M
9:24/mi
3:41:45
↓ 821.3%
40K· 24.85 mi
12:26/mi
3:52:23
↓ 200.3%
25.2M
10:52/mi
3:56:08
↑ 13↓ 160.2%
Finish· 26.22 mi
9:58/mi
4:06:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:14
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:12:03
Pace10:04 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0626:238:3026:23
8:30
-
10K
6.21 mi11:47:1353:308:3727:07
8:44
+0:14
15K
9.32 mi12:14:351:20:528:4127:22
8:49
+0:05
20K
12.43 mi12:41:561:48:138:4227:21
8:48
-0:01
Half
13.11 mi12:47:571:54:148:436:01
8:49
+0:01
25K
15.53 mi13:09:562:16:138:4621:59
9:04
+0:15
30K
18.64 mi13:40:122:46:298:5630:16
9:45
+0:41
20M
20.00 mi13:53:382:59:559:0013:26
9:53
+0:08
21M
21.00 mi14:05:323:11:499:0811:54
11:54
+2:01
35K
21.75 mi14:12:503:19:079:097:18
9:45
-2:09
23M
23.00 mi14:26:043:32:219:1413:14
10:34
+0:49
24M
24.00 mi14:35:283:41:459:149:24
9:24
-1:10
40K
24.85 mi14:46:063:52:239:2110:38
12:26
+3:02
25.2M
25.20 mi14:49:513:56:089:223:45
10:52
-1:34
Finish
26.22 mi15:00:004:06:179:2410:09
9:58
-0:54

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

8:30 /mi

Average Pace

9:24 /mi

Slowest Pace

12:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:13

55% of race

Time at Steady Pace

1:10:33

29% of race

Time at Slower Pace

39:31

16% of race

Average Pace: 9:24 /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 mi11:20:0626:238:3026:23
8:30
#19847
10K
6.21 mi11:47:1353:308:3727:07
8:44
#20450
15K
9.32 mi12:14:351:20:528:4127:22
8:49
#20620
20K
12.43 mi12:41:561:48:138:4227:21
8:48
#20465
Half
13.11 mi12:47:571:54:148:436:01
8:49
#20490
25K
15.53 mi13:09:562:16:138:4621:59
9:04
#20462
30K
18.64 mi13:40:122:46:298:5630:16
9:45
#20531
20M
20.00 mi13:53:382:59:559:0013:26
9:53
#20532
21M
21.00 mi14:05:323:11:499:0811:54
11:54
#20805
35K
21.75 mi14:12:503:19:079:097:18
9:45
#20836
23M
23.00 mi14:26:043:32:219:1413:14
10:34
#20962
24M
24.00 mi14:35:283:41:459:149:24
9:24
#20901
40K
24.85 mi14:46:063:52:239:2110:38
12:26
#21193
25.2M
25.20 mi14:49:513:56:089:223:45
10:52
#21175
Finish
26.22 mi15:00:004:06:179:2410:09
9:58
#21232
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi198477422742221070(Top 74%)8042(Top 66%)8042(Top 468%)
10K6.21 mi3.10 mi20450-6037747-3257747-32521052(Top 74%)8047(Top 66%)8047(Top 468%)
15K9.32 mi3.11 mi20620-1707821-747821-7421070(Top 74%)8042(Top 66%)8042(Top 468%)
20K12.43 mi3.11 mi20465+1557740+817740+8119961(Top 70%)7462(Top 61%)7462(Top 434%)
Half13.11 mi0.68 mi20490-257759-197759-1921039(Top 74%)8072(Top 66%)8072(Top 470%)
25K15.53 mi2.42 mi20462+287752+77752+720224(Top 71%)7663(Top 63%)7663(Top 446%)
30K18.64 mi3.11 mi20531-697828-767828-7620822(Top 73%)8132(Top 67%)8132(Top 473%)
20M20.00 mi1.36 mi20532-17847-197847-1920585(Top 72%)8129(Top 66%)8129(Top 473%)
21M21.00 mi1.00 mi20805-2738012-1658012-16523412(Top 82%)9719(Top 79%)9719(Top 566%)
35K21.75 mi0.75 mi20836-318050-388050-3821209(Top 75%)8617(Top 70%)8617(Top 502%)
23M23.00 mi1.25 mi20962-1268139-898139-8922186(Top 78%)9161(Top 75%)9161(Top 533%)
24M24.00 mi1.00 mi20901+618126+138126+1319264(Top 68%)7692(Top 63%)7692(Top 448%)
40K24.85 mi0.85 mi21193-2928308-1828308-18225587(Top 90%)10944(Top 89%)10944(Top 637%)
25.2M25.20 mi0.35 mi21175+188306+28306+220294(Top 71%)8314(Top 68%)8314(Top 484%)
Finish26.22 mi1.02 mi21232-578350-448350-4422816(Top 80%)9574(Top 78%)9574(Top 557%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

21070

Females

8042

F40-44

8042

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

21052

Females

8047

F40-44

8047

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

21070

Females

8042

F40-44

8042

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

19961

Females

7462

F40-44

7462

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

21039

Females

8072

F40-44

8072

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

20224

Females

7663

F40-44

7663

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20822

Females

8132

F40-44

8132

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20585

Females

8129

F40-44

8129

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23412

Females

9719

F40-44

9719

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21209

Females

8617

F40-44

8617

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22186

Females

9161

F40-44

9161

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

19264

Females

7692

F40-44

7692

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25587

Females

10944

F40-44

10944

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20294

Females

8314

F40-44

8314

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22816

Females

9574

F40-44

9574

Passing Analysis

Category:
Athletes Passed
1273
Passed By
2658
Net Change
-1385
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19847
5K → 10K84687-603#19847#20450
10K → 15K140310-170#20450#20620
15K → 20K263108+155#20620#20465
20K → Half2247-25#20465#20490
Half → 25K162134+28#20490#20462
25K → 30K210279-69#20462#20531
30K → 20M101102-1#20531#20532
20M → 21M34307-273#20532#20805
21M → 35K4576-31#20805#20836
35K → 23M57183-126#20836#20962
23M → 24M8928+61#20962#20901
24M → 40K7299-292#20901#21193
40K → 25.2M3214+18#21193#21175
25.2M → Finish2784-57#21175#21232
TOTALS12732658-1385
📊

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