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BOSTON MARATHON 2025

Brittany Brunson

Bib: 13086•F

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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
23:12
Rank: #11980
Start → 5K
23:12 | 7:28/mi
10K· 6.21 mi
46:24
Rank: #11839 (+141)
5K → 10K
23:12 | 7:28/mi
15K· 9.32 mi
1:09:33
Rank: #11652 (+187)
10K → 15K
23:09 | 7:27/mi
20K· 12.43 mi
1:32:41
Rank: #11300 (+352)
15K → 20K
23:08 | 7:27/mi
Half· 13.11 mi
1:37:45
Rank: #11284 (+16)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:56:05
Rank: #11117 (+167)
Half → 25K
18:20 | 7:34/mi
30K· 18.64 mi
2:21:46
Rank: #11471 (-354)
25K → 30K
25:41 | 8:16/mi
20M
2:33:45
Rank: #11795 (-324)
30K → 20M
11:59 | 8:49/mi
21M
2:45:01
Rank: #12768 (-973)
20M → 21M
11:16 | 11:16/mi
35K· 21.75 mi
2:52:46
Rank: #13368 (-600)
21M → 35K
7:45 | 10:22/mi
23M
3:06:06
Rank: #14277 (-909)
35K → 23M
13:20 | 10:39/mi
24M
3:15:18
Rank: #14466 (-189)
23M → 24M
9:12 | 9:12/mi
40K· 24.85 mi
3:23:15
Rank: #14581 (-115)
24M → 40K
7:57 | 9:18/mi
25.2M
3:26:45
Rank: #14632 (-51)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:35:35
Rank: #14719 (-87)
25.2M → Finish
8:50 | 8:40/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:45
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:57:50
Pace8:59 /mi
📊Positive Split: 20.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3323:127:2823:12
7:28
-
10K
6.21 mi11:16:4546:247:2823:12
7:28
0:00
15K
9.32 mi11:39:541:09:337:2823:09
7:27
-0:01
20K
12.43 mi12:03:021:32:417:2723:08
7:27
0:00
Half
13.11 mi12:08:061:37:457:275:04
7:26
-0:01
25K
15.53 mi12:26:261:56:057:2818:20
7:34
+0:08
30K
18.64 mi12:52:072:21:467:3625:41
8:16
+0:42
20M
20.00 mi13:04:062:33:457:4111:59
8:49
+0:33
21M
21.00 mi13:15:222:45:017:5111:16
11:16
+2:27
35K
21.75 mi13:23:072:52:467:577:45
10:22
-0:54
23M
23.00 mi13:36:273:06:068:0513:20
10:39
+0:17
24M
24.00 mi13:45:393:15:188:089:12
9:12
-1:27
40K
24.85 mi13:53:363:23:158:117:57
9:18
+0:06
25.2M
25.20 mi13:57:063:26:458:123:30
10:09
+0:51
Finish
26.22 mi14:05:563:35:358:148:50
8:40
-1:29

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

7:26 /mi

Average Pace

8:14 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:56:05

54% of race

Time at Steady Pace

1:03:39

30% of race

Time at Slower Pace

35:51

17% of race

Average Pace: 8:13 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:53:3323:127:2823:12
7:28
#11980
10K
6.21 mi11:16:4546:247:2823:12
7:28
#11839
15K
9.32 mi11:39:541:09:337:2823:09
7:27
#11652
20K
12.43 mi12:03:021:32:417:2723:08
7:27
#11300
Half
13.11 mi12:08:061:37:457:275:04
7:26
#11284
25K
15.53 mi12:26:261:56:057:2818:20
7:34
#11117
30K
18.64 mi12:52:072:21:467:3625:41
8:16
#11471
20M
20.00 mi13:04:062:33:457:4111:59
8:49
#11795
21M
21.00 mi13:15:222:45:017:5111:16
11:16
#12768
35K
21.75 mi13:23:072:52:467:577:45
10:22
#13368
23M
23.00 mi13:36:273:06:068:0513:20
10:39
#14277
24M
24.00 mi13:45:393:15:188:089:12
9:12
#14466
40K
24.85 mi13:53:363:23:158:117:57
9:18
#14581
25.2M
25.20 mi13:57:063:26:458:123:30
10:09
#14632
Finish
26.22 mi14:05:563:35:358:148:50
8:40
#14719
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi119802793279311363(Top 40%)2565(Top 21%)2565(Top 47%)
10K6.21 mi3.10 mi11839+1412725+682725+6811808(Top 42%)2722(Top 22%)2722(Top 50%)
15K9.32 mi3.11 mi11652+1872653+722653+7211363(Top 40%)2565(Top 21%)2565(Top 47%)
20K12.43 mi3.11 mi11300+3522504+1492504+14910331(Top 36%)2123(Top 17%)2123(Top 39%)
Half13.11 mi0.68 mi11284+162496+82496+811213(Top 39%)2554(Top 21%)2554(Top 47%)
25K15.53 mi2.42 mi11117+1672450+462450+4610465(Top 37%)2317(Top 19%)2317(Top 42%)
30K18.64 mi3.11 mi11471-3542716-2662716-26613287(Top 47%)3997(Top 33%)3997(Top 73%)
20M20.00 mi1.36 mi11795-3242921-2052921-20515772(Top 56%)5458(Top 45%)5458(Top 100%)
21M21.00 mi1.00 mi12768-9733486-5653486-56522086(Top 78%)9013(Top 74%)9013(Top 165%)
35K21.75 mi0.75 mi13368-6003838-3523838-35222848(Top 80%)9461(Top 77%)9461(Top 173%)
23M23.00 mi1.25 mi14277-9094373-5354373-53522400(Top 79%)9283(Top 76%)9283(Top 170%)
24M24.00 mi1.00 mi14466-1894494-1214494-12118356(Top 65%)7221(Top 59%)7221(Top 132%)
40K24.85 mi0.85 mi14581-1154588-944588-9417853(Top 63%)7052(Top 58%)7052(Top 129%)
25.2M25.20 mi0.35 mi14632-514633-454633-4517696(Top 62%)6948(Top 57%)6948(Top 127%)
Finish26.22 mi1.02 mi14719-874707-744707-7417286(Top 61%)6689(Top 55%)6689(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11363

Females

2565

F18-39

2565

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11808

Females

2722

F18-39

2722

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11363

Females

2565

F18-39

2565

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10331

Females

2123

F18-39

2123

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11213

Females

2554

F18-39

2554

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10465

Females

2317

F18-39

2317

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

13287

Females

3997

F18-39

3997

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15772

Females

5458

F18-39

5458

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

22086

Females

9013

F18-39

9013

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22848

Females

9461

F18-39

9461

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

22400

Females

9283

F18-39

9283

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18356

Females

7221

F18-39

7221

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17853

Females

7052

F18-39

7052

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17696

Females

6948

F18-39

6948

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17286

Females

6689

F18-39

6689

Passing Analysis

Category:
Athletes Passed
1623
Passed By
4362
Net Change
-2739
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11980
5K → 10K338197+141#11980#11839
10K → 15K27285+187#11839#11652
15K → 20K39442+352#11652#11300
20K → Half3822+16#11300#11284
Half → 25K24376+167#11284#11117
25K → 30K126480-354#11117#11471
30K → 20M51375-324#11471#11795
20M → 21M4977-973#11795#12768
21M → 35K4604-600#12768#13368
35K → 23M14923-909#13368#14277
23M → 24M27216-189#14277#14466
24M → 40K47162-115#14466#14581
40K → 25.2M1869-51#14581#14632
25.2M → Finish47134-87#14632#14719
TOTALS16234362-2739
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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