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BOSTON MARATHON 2025

Kate Brockway

Bib: 12050•F

KS

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Division (F18-39)
#0 / 5469
Top 13%
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
6:58/mi
21:39
↑ 97↓ 3451.5%
10K· 6.21 mi
6:57/mi
43:14
↑ 79↓ 1380.4%
15K· 9.32 mi
6:56/mi
1:04:47
↑ 67↓ 78
20K· 12.43 mi
7:04/mi
1:26:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:31:30
↑ 19↓ 370.5%
25K· 15.53 mi
7:04/mi
1:48:37
↑ 66↓ 880.2%
30K· 18.64 mi
7:18/mi
2:11:18
↑ 181↓ 1480.2%
20M
7:30/mi
2:21:29
↑ 64↓ 500.2%
21M
7:52/mi
2:29:21
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:34:46
↑ 17↓ 861.7%
23M
7:34/mi
2:44:14
↑ 23↓ 630.6%
24M
7:22/mi
2:51:36
↓ 821.3%
40K· 24.85 mi
7:24/mi
2:57:56
↓ 200.3%
25.2M
7:58/mi
3:00:41
↑ 13↓ 160.2%
Finish· 26.22 mi
7:02/mi
3:07:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:30
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:36:21
Pace7:21 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0921:396:5821:39
6:58
-
10K
6.21 mi11:11:4443:146:5721:35
6:57
-0:01
15K
9.32 mi11:33:171:04:476:5721:33
6:56
-0:01
20K
12.43 mi11:55:131:26:436:5921:56
7:04
+0:08
Half
13.11 mi12:00:001:31:306:594:47
7:01
-0:03
25K
15.53 mi12:17:071:48:377:0017:07
7:04
+0:03
30K
18.64 mi12:39:482:11:187:0322:41
7:18
+0:14
20M
20.00 mi12:49:592:21:297:0410:11
7:30
+0:12
21M
21.00 mi12:57:512:29:217:077:52
7:52
+0:22
35K
21.75 mi13:03:162:34:467:075:25
7:14
-0:38
23M
23.00 mi13:12:442:44:147:089:28
7:34
+0:20
24M
24.00 mi13:20:062:51:367:097:22
7:22
-0:12
40K
24.85 mi13:26:262:57:567:106:20
7:24
+0:02
25.2M
25.20 mi13:29:113:00:417:102:45
7:58
+0:34
Finish
26.22 mi13:36:213:07:517:107:10
7:02
-0:56

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

6:56 /mi

Average Pace

7:10 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:14

94% of race

Time at Steady Pace

10:37

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:50:0921:396:5821:39
6:58
#7591
10K
6.21 mi11:11:4443:146:5721:35
6:57
#7577
15K
9.32 mi11:33:171:04:476:5721:33
6:56
#7442
20K
12.43 mi11:55:131:26:436:5921:56
7:04
#7351
Half
13.11 mi12:00:001:31:306:594:47
7:01
#7351
25K
15.53 mi12:17:071:48:377:0017:07
7:04
#7213
30K
18.64 mi12:39:482:11:187:0322:41
7:18
#6955
20M
20.00 mi12:49:592:21:297:0410:11
7:30
#6863
21M
21.00 mi12:57:512:29:217:077:52
7:52
#6769
35K
21.75 mi13:03:162:34:467:075:25
7:14
#6734
23M
23.00 mi13:12:442:44:147:089:28
7:34
#6671
24M
24.00 mi13:20:062:51:367:097:22
7:22
#6625
40K
24.85 mi13:26:262:57:567:106:20
7:24
#6559
25.2M
25.20 mi13:29:113:00:417:102:45
7:58
#6515
Finish
26.22 mi13:36:213:07:517:107:10
7:02
#6445
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi75918408407219(Top 25%)788(Top 6%)788(Top 14%)
10K6.21 mi3.10 mi7577+14851-11851-117605(Top 27%)868(Top 7%)868(Top 16%)
15K9.32 mi3.11 mi7442+135817+34817+347219(Top 25%)788(Top 6%)788(Top 14%)
20K12.43 mi3.11 mi7351+91811+6811+67265(Top 26%)857(Top 7%)857(Top 16%)
Half13.11 mi0.68 mi73518118117713(Top 27%)974(Top 8%)974(Top 18%)
25K15.53 mi2.42 mi7213+138788+23788+236719(Top 24%)785(Top 6%)785(Top 14%)
30K18.64 mi3.11 mi6955+258761+27761+276476(Top 23%)822(Top 7%)822(Top 15%)
20M20.00 mi1.36 mi6863+92765-4765-46981(Top 25%)1137(Top 9%)1137(Top 21%)
21M21.00 mi1.00 mi6769+94767-2767-26597(Top 23%)1141(Top 9%)1141(Top 21%)
35K21.75 mi0.75 mi6734+35775-8775-86878(Top 24%)1229(Top 10%)1229(Top 22%)
23M23.00 mi1.25 mi6671+63790-15790-157000(Top 25%)1392(Top 11%)1392(Top 25%)
24M24.00 mi1.00 mi6625+46804-14804-146844(Top 24%)1388(Top 11%)1388(Top 25%)
40K24.85 mi0.85 mi6559+668048046272(Top 22%)1232(Top 10%)1232(Top 23%)
25.2M25.20 mi0.35 mi6515+44802+2802+25852(Top 21%)1178(Top 10%)1178(Top 22%)
Finish26.22 mi1.02 mi6445+70808-6808-65968(Top 21%)1231(Top 10%)1231(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7219

Females

788

F18-39

788

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7605

Females

868

F18-39

868

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7219

Females

788

F18-39

788

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7265

Females

857

F18-39

857

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7713

Females

974

F18-39

974

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6719

Females

785

F18-39

785

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6476

Females

822

F18-39

822

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6981

Females

1137

F18-39

1137

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6597

Females

1141

F18-39

1141

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6878

Females

1229

F18-39

1229

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

7000

Females

1392

F18-39

1392

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6844

Females

1388

F18-39

1388

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6272

Females

1232

F18-39

1232

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5852

Females

1178

F18-39

1178

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5968

Females

1231

F18-39

1231

Passing Analysis

Category:
Athletes Passed
1871
Passed By
725
Net Change
+1146
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7591
5K → 10K209195+14#7591#7577
10K → 15K20368+135#7577#7442
15K → 20K16271+91#7442#7351
20K → Half26260#7351#7351
Half → 25K18143+138#7351#7213
25K → 30K30951+258#7213#6955
30K → 20M14149+92#6955#6863
20M → 21M12834+94#6863#6769
21M → 35K5924+35#6769#6734
35K → 23M12259+63#6734#6671
23M → 24M8842+46#6671#6625
24M → 40K8519+66#6625#6559
40K → 25.2M517+44#6559#6515
25.2M → Finish10737+70#6515#6445
TOTALS1871725+1146
📊

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