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BOSTON MARATHON 2025

Brittany Powell

Bib: 26877•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:37
Rank: #25224
Start → 5K
30:37 | 9:51/mi
10K· 6.21 mi
1:02:16
Rank: #25500 (-276)
5K → 10K
31:39 | 10:11/mi
15K· 9.32 mi
1:35:15
Rank: #25767 (-267)
10K → 15K
32:59 | 10:37/mi
20K· 12.43 mi
2:09:32
Rank: #25845 (-78)
15K → 20K
34:17 | 11:02/mi
Half· 13.11 mi
2:16:37
Rank: #25843 (+2)
20K → Half
7:05 | 10:23/mi
25K· 15.53 mi
2:42:38
Rank: #25649 (+194)
Half → 25K
26:01 | 10:44/mi
30K· 18.64 mi
3:16:28
Rank: #25316 (+333)
25K → 30K
33:50 | 10:53/mi
20M
3:31:11
Rank: #25175 (+141)
30K → 20M
14:43 | 10:50/mi
21M
3:42:44
Rank: #25059 (+116)
20M → 21M
11:33 | 11:33/mi
35K· 21.75 mi
3:50:00
Rank: #24976 (+83)
21M → 35K
7:16 | 9:43/mi
23M
4:03:04
Rank: #24830 (+146)
35K → 23M
13:04 | 10:26/mi
24M
4:13:16
Rank: #24735 (+95)
23M → 24M
10:12 | 10:12/mi
40K· 24.85 mi
4:21:51
Rank: #24608 (+127)
24M → 40K
8:35 | 10:02/mi
25.2M
4:25:31
Rank: #24548 (+60)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
4:34:34
Rank: #24419 (+129)
25.2M → Finish
9:03 | 8:53/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:16:37
Pace10:25 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:17:57
Pace10:31 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2630:379:5130:37
9:51
-
10K
6.21 mi12:20:051:02:1610:0131:39
10:11
+0:20
15K
9.32 mi12:53:041:35:1510:1332:59
10:37
+0:26
20K
12.43 mi13:27:212:09:3210:2534:17
11:02
+0:25
Half
13.11 mi13:34:262:16:3710:257:05
10:23
-0:39
25K
15.53 mi14:00:272:42:3810:2826:01
10:44
+0:21
30K
18.64 mi14:34:173:16:2810:3233:50
10:53
+0:09
20M
20.00 mi14:49:003:31:1110:3414:43
10:50
-0:03
21M
21.00 mi15:00:333:42:4410:3611:33
11:33
+0:43
35K
21.75 mi15:07:493:50:0010:357:16
9:43
-1:50
23M
23.00 mi15:20:534:03:0410:3413:04
10:26
+0:43
24M
24.00 mi15:31:054:13:1610:3310:12
10:12
-0:14
40K
24.85 mi15:39:404:21:5110:328:35
10:02
-0:10
25.2M
25.20 mi15:43:204:25:3110:323:40
10:38
+0:36
Finish
26.22 mi15:52:234:34:3410:299:03
8:53
-1:45

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

8:53 /mi

Average Pace

10:29 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

55:31

20% of race

Time at Steady Pace

2:04:40

45% of race

Time at Slower Pace

1:34:23

34% of race

Average Pace: 10:28 /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 mi11:48:2630:379:5130:37
9:51
#25224
10K
6.21 mi12:20:051:02:1610:0131:39
10:11
#25500
15K
9.32 mi12:53:041:35:1510:1332:59
10:37
#25767
20K
12.43 mi13:27:212:09:3210:2534:17
11:02
#25845
Half
13.11 mi13:34:262:16:3710:257:05
10:23
#25843
25K
15.53 mi14:00:272:42:3810:2826:01
10:44
#25649
30K
18.64 mi14:34:173:16:2810:3233:50
10:53
#25316
20M
20.00 mi14:49:003:31:1110:3414:43
10:50
#25175
21M
21.00 mi15:00:333:42:4410:3611:33
11:33
#25059
35K
21.75 mi15:07:493:50:0010:357:16
9:43
#24976
23M
23.00 mi15:20:534:03:0410:3413:04
10:26
#24830
24M
24.00 mi15:31:054:13:1610:3310:12
10:12
#24735
40K
24.85 mi15:39:404:21:5110:328:35
10:02
#24608
25.2M
25.20 mi15:43:204:25:3110:323:40
10:38
#24548
Finish
26.22 mi15:52:234:34:3410:299:03
8:53
#24419
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25224103281032826138(Top 92%)10864(Top 89%)10864(Top 199%)
10K6.21 mi3.10 mi25500-27610500-17210500-17225725(Top 91%)10645(Top 87%)10645(Top 195%)
15K9.32 mi3.11 mi25767-26710646-14610646-14626138(Top 92%)10864(Top 89%)10864(Top 199%)
20K12.43 mi3.11 mi25845-7810704-5810704-5826062(Top 92%)10843(Top 89%)10843(Top 198%)
Half13.11 mi0.68 mi25843+210701+310701+325605(Top 90%)10599(Top 87%)10599(Top 194%)
25K15.53 mi2.42 mi25649+19410598+10310598+10324773(Top 87%)10167(Top 83%)10167(Top 186%)
30K18.64 mi3.11 mi25316+33310456+14210456+14223807(Top 84%)9766(Top 80%)9766(Top 179%)
20M20.00 mi1.36 mi25175+14110395+6110395+6123249(Top 82%)9557(Top 78%)9557(Top 175%)
21M21.00 mi1.00 mi25059+11610336+5910336+5922725(Top 80%)9358(Top 77%)9358(Top 171%)
35K21.75 mi0.75 mi24976+8310297+3910297+3921082(Top 74%)8557(Top 70%)8557(Top 156%)
23M23.00 mi1.25 mi24830+14610233+6410233+6421862(Top 77%)9001(Top 74%)9001(Top 165%)
24M24.00 mi1.00 mi24735+9510204+2910204+2921967(Top 77%)9123(Top 75%)9123(Top 167%)
40K24.85 mi0.85 mi24608+12710143+6110143+6120601(Top 73%)8469(Top 69%)8469(Top 155%)
25.2M25.20 mi0.35 mi24548+6010110+3310110+3319571(Top 69%)7958(Top 65%)7958(Top 146%)
Finish26.22 mi1.02 mi24419+12910059+5110059+5118478(Top 65%)7334(Top 60%)7334(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

26138

Females

10864

F18-39

10864

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25725

Females

10645

F18-39

10645

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

26138

Females

10864

F18-39

10864

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26062

Females

10843

F18-39

10843

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25605

Females

10599

F18-39

10599

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24773

Females

10167

F18-39

10167

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

23807

Females

9766

F18-39

9766

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

23249

Females

9557

F18-39

9557

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22725

Females

9358

F18-39

9358

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

21082

Females

8557

F18-39

8557

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

21862

Females

9001

F18-39

9001

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21967

Females

9123

F18-39

9123

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20601

Females

8469

F18-39

8469

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19571

Females

7958

F18-39

7958

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18478

Females

7334

F18-39

7334

Passing Analysis

Category:
Athletes Passed
1747
Passed By
942
Net Change
+805
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25224
5K → 10K100376-276#25224#25500
10K → 15K52319-267#25500#25767
15K → 20K105183-78#25767#25845
20K → Half2220+2#25845#25843
Half → 25K20612+194#25843#25649
25K → 30K3407+333#25649#25316
30K → 20M1465+141#25316#25175
20M → 21M1259+116#25175#25059
21M → 35K830+83#25059#24976
35K → 23M1515+146#24976#24830
23M → 24M994+95#24830#24735
24M → 40K1281+127#24735#24608
40K → 25.2M600+60#24608#24548
25.2M → Finish1301+129#24548#24419
TOTALS1747942+805
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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