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BOSTON MARATHON 2025

Brigette Kolson

Bib: 11025•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Division (F18-39)
#0 / 5469
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:53
Rank: #8170
Start → 5K
21:53 | 7:03/mi
10K· 6.21 mi
43:33
Rank: #7921 (+249)
5K → 10K
21:40 | 6:58/mi
15K· 9.32 mi
1:05:16
Rank: #7771 (+150)
10K → 15K
21:43 | 6:59/mi
20K· 12.43 mi
1:27:23
Rank: #7701 (+70)
15K → 20K
22:07 | 7:07/mi
Half· 13.11 mi
1:32:11
Rank: #7694 (+7)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:49:46
Rank: #7707 (-13)
Half → 25K
17:35 | 7:15/mi
30K· 18.64 mi
2:12:30
Rank: #7405 (+302)
25K → 30K
22:44 | 7:19/mi
20M
2:22:25
Rank: #7201 (+204)
30K → 20M
9:55 | 7:18/mi
21M
2:30:01
Rank: #7017 (+184)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:35:21
Rank: #6953 (+64)
21M → 35K
5:20 | 7:08/mi
23M
2:44:24
Rank: #6734 (+219)
35K → 23M
9:03 | 7:14/mi
24M
2:51:36
Rank: #6623 (+111)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
2:57:44
Rank: #6505 (+118)
24M → 40K
6:08 | 7:10/mi
25.2M
3:00:20
Rank: #6425 (+80)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:06:57
Rank: #6222 (+203)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:11
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:34:46
Pace7:14 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1421:537:0321:53
7:03
-
10K
6.21 mi11:10:5443:337:0121:40
6:58
-0:05
15K
9.32 mi11:32:371:05:167:0021:43
6:59
+0:01
20K
12.43 mi11:54:441:27:237:0222:07
7:07
+0:08
Half
13.11 mi11:59:321:32:117:024:48
7:02
-0:05
25K
15.53 mi12:17:071:49:467:0417:35
7:15
+0:13
30K
18.64 mi12:39:512:12:307:0622:44
7:19
+0:04
20M
20.00 mi12:49:462:22:257:079:55
7:18
-0:01
21M
21.00 mi12:57:222:30:017:097:36
7:36
+0:18
35K
21.75 mi13:02:422:35:217:095:20
7:08
-0:28
23M
23.00 mi13:11:452:44:247:099:03
7:14
+0:06
24M
24.00 mi13:18:572:51:367:097:12
7:12
-0:02
40K
24.85 mi13:25:052:57:447:096:08
7:10
-0:02
25.2M
25.20 mi13:27:413:00:207:092:36
7:32
+0:22
Finish
26.22 mi13:34:183:06:577:086:37
6:30
-1:02

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

6:30 /mi

Average Pace

7:08 /mi

Slowest Pace

7:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:08

56% of race

Time at Steady Pace

1:22:49

44% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:08 /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 mi10:49:1421:537:0321:53
7:03
#8170
10K
6.21 mi11:10:5443:337:0121:40
6:58
#7921
15K
9.32 mi11:32:371:05:167:0021:43
6:59
#7771
20K
12.43 mi11:54:441:27:237:0222:07
7:07
#7701
Half
13.11 mi11:59:321:32:117:024:48
7:02
#7694
25K
15.53 mi12:17:071:49:467:0417:35
7:15
#7707
30K
18.64 mi12:39:512:12:307:0622:44
7:19
#7405
20M
20.00 mi12:49:462:22:257:079:55
7:18
#7201
21M
21.00 mi12:57:222:30:017:097:36
7:36
#7017
35K
21.75 mi13:02:422:35:217:095:20
7:08
#6953
23M
23.00 mi13:11:452:44:247:099:03
7:14
#6734
24M
24.00 mi13:18:572:51:367:097:12
7:12
#6623
40K
24.85 mi13:25:052:57:447:096:08
7:10
#6505
25.2M
25.20 mi13:27:413:00:207:092:36
7:32
#6425
Finish
26.22 mi13:34:183:06:577:086:37
6:30
#6222
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8170103810387574(Top 27%)889(Top 7%)889(Top 16%)
10K6.21 mi3.10 mi7921+249972+66972+667769(Top 27%)925(Top 8%)925(Top 17%)
15K9.32 mi3.11 mi7771+150919+53919+537574(Top 27%)889(Top 7%)889(Top 16%)
20K12.43 mi3.11 mi7701+70914+5914+57639(Top 27%)980(Top 8%)980(Top 18%)
Half13.11 mi0.68 mi7694+7915-1915-17865(Top 28%)1024(Top 8%)1024(Top 19%)
25K15.53 mi2.42 mi7707-13941-26941-268005(Top 28%)1209(Top 10%)1209(Top 22%)
30K18.64 mi3.11 mi7405+302888+53888+536547(Top 23%)849(Top 7%)849(Top 16%)
20M20.00 mi1.36 mi7201+204861+27861+275803(Top 20%)731(Top 6%)731(Top 13%)
21M21.00 mi1.00 mi7017+184835+26835+265152(Top 18%)652(Top 5%)652(Top 12%)
35K21.75 mi0.75 mi6953+64827+8827+86182(Top 22%)972(Top 8%)972(Top 18%)
23M23.00 mi1.25 mi6734+219808+19808+195068(Top 18%)689(Top 6%)689(Top 13%)
24M24.00 mi1.00 mi6623+111802+6802+65846(Top 21%)1003(Top 8%)1003(Top 18%)
40K24.85 mi0.85 mi6505+118786+16786+164940(Top 17%)754(Top 6%)754(Top 14%)
25.2M25.20 mi0.35 mi6425+80774+12774+123679(Top 13%)481(Top 4%)481(Top 9%)
Finish26.22 mi1.02 mi6222+203736+38736+382826(Top 10%)290(Top 2%)290(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7574

Females

889

F18-39

889

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7769

Females

925

F18-39

925

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7574

Females

889

F18-39

889

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7639

Females

980

F18-39

980

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7865

Females

1024

F18-39

1024

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

8005

Females

1209

F18-39

1209

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6547

Females

849

F18-39

849

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5803

Females

731

F18-39

731

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5152

Females

652

F18-39

652

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6182

Females

972

F18-39

972

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5068

Females

689

F18-39

689

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5846

Females

1003

F18-39

1003

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4940

Females

754

F18-39

754

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3679

Females

481

F18-39

481

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2826

Females

290

F18-39

290

Passing Analysis

Category:
Athletes Passed
2497
Passed By
549
Net Change
+1948
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8170
5K → 10K367118+249#8170#7921
10K → 15K21666+150#7921#7771
15K → 20K173103+70#7771#7701
20K → Half2821+7#7701#7694
Half → 25K107120-13#7694#7707
25K → 30K34442+302#7707#7405
30K → 20M2106+204#7405#7201
20M → 21M19915+184#7201#7017
21M → 35K8420+64#7017#6953
35K → 23M23011+219#6953#6734
23M → 24M12918+111#6734#6623
24M → 40K1268+118#6623#6505
40K → 25.2M811+80#6505#6425
25.2M → Finish2030+203#6425#6222
TOTALS2497549+1948
📊

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