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BOSTON MARATHON 2025

Katie Sexton

Bib: 15761•F

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Female)
#0 / 12228
Top 12%
Division (F18-39)
#0 / 5469
Top 22%
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
7:03/mi
21:54
↑ 97↓ 3451.5%
10K· 6.21 mi
6:57/mi
43:29
↑ 79↓ 1380.4%
15K· 9.32 mi
6:55/mi
1:04:58
↑ 67↓ 78
20K· 12.43 mi
7:05/mi
1:26:58
↑ 106↓ 860.1%
Half· 13.11 mi
6:59/mi
1:31:44
↑ 19↓ 370.5%
25K· 15.53 mi
7:18/mi
1:49:25
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:13:19
↑ 181↓ 1480.2%
20M
7:54/mi
2:24:03
↑ 64↓ 500.2%
21M
8:50/mi
2:32:53
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:38:36
↑ 17↓ 861.7%
23M
7:47/mi
2:48:21
↑ 23↓ 630.6%
24M
7:41/mi
2:56:02
↓ 821.3%
40K· 24.85 mi
7:56/mi
3:02:49
↓ 200.3%
25.2M
8:51/mi
3:05:52
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:13:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:44
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:42:10
Pace7:48 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2021:547:0321:54
7:03
-
10K
6.21 mi11:15:5543:297:0021:35
6:57
-0:06
15K
9.32 mi11:37:241:04:586:5821:29
6:55
-0:02
20K
12.43 mi11:59:241:26:587:0022:00
7:05
+0:10
Half
13.11 mi12:04:101:31:447:004:46
6:59
-0:06
25K
15.53 mi12:21:511:49:257:0317:41
7:18
+0:19
30K
18.64 mi12:45:452:13:197:0923:54
7:42
+0:24
20M
20.00 mi12:56:292:24:037:1210:44
7:54
+0:12
21M
21.00 mi13:05:192:32:537:178:50
8:50
+0:56
35K
21.75 mi13:11:022:38:367:185:43
7:38
-1:12
23M
23.00 mi13:20:472:48:217:199:45
7:47
+0:09
24M
24.00 mi13:28:282:56:027:207:41
7:41
-0:06
40K
24.85 mi13:35:153:02:497:216:47
7:56
+0:15
25.2M
25.20 mi13:38:183:05:527:233:03
8:51
+0:55
Finish
26.22 mi13:46:203:13:547:248:02
7:53
-0:58

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

6:55 /mi

Average Pace

7:24 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:25

56% of race

Time at Steady Pace

1:12:36

37% of race

Time at Slower Pace

11:53

6% of race

Average Pace: 7:24 /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 mi10:54:2021:547:0321:54
7:03
#8224
10K
6.21 mi11:15:5543:297:0021:35
6:57
#7850
15K
9.32 mi11:37:241:04:586:5821:29
6:55
#7572
20K
12.43 mi11:59:241:26:587:0022:00
7:05
#7496
Half
13.11 mi12:04:101:31:447:004:46
6:59
#7482
25K
15.53 mi12:21:511:49:257:0317:41
7:18
#7548
30K
18.64 mi12:45:452:13:197:0923:54
7:42
#7691
20M
20.00 mi12:56:292:24:037:1210:44
7:54
#7765
21M
21.00 mi13:05:192:32:537:178:50
8:50
#7964
35K
21.75 mi13:11:022:38:367:185:43
7:38
#8004
23M
23.00 mi13:20:472:48:217:199:45
7:47
#7968
24M
24.00 mi13:28:282:56:027:207:41
7:41
#7990
40K
24.85 mi13:35:153:02:497:216:47
7:56
#8025
25.2M
25.20 mi13:38:183:05:527:233:03
8:51
#8065
Finish
26.22 mi13:46:203:13:547:248:02
7:53
#8186
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8224106610667070(Top 25%)753(Top 6%)753(Top 14%)
10K6.21 mi3.10 mi7850+374948+118948+1187607(Top 27%)870(Top 7%)870(Top 16%)
15K9.32 mi3.11 mi7572+278864+84864+847070(Top 25%)753(Top 6%)753(Top 14%)
20K12.43 mi3.11 mi7496+76850+14850+147423(Top 26%)903(Top 7%)903(Top 17%)
Half13.11 mi0.68 mi7482+14848+2848+27577(Top 27%)946(Top 8%)946(Top 17%)
25K15.53 mi2.42 mi7548-66891-43891-438332(Top 29%)1356(Top 11%)1356(Top 25%)
30K18.64 mi3.11 mi7691-143987-96987-969151(Top 32%)1901(Top 16%)1901(Top 35%)
20M20.00 mi1.36 mi7765-741047-601047-609731(Top 34%)2307(Top 19%)2307(Top 42%)
21M21.00 mi1.00 mi7964-1991164-1171164-11712504(Top 44%)3851(Top 31%)3851(Top 70%)
35K21.75 mi0.75 mi8004-401199-351199-359646(Top 34%)2421(Top 20%)2421(Top 44%)
23M23.00 mi1.25 mi7968+361232-331232-338506(Top 30%)2037(Top 17%)2037(Top 37%)
24M24.00 mi1.00 mi7990-221276-441276-449024(Top 32%)2332(Top 19%)2332(Top 43%)
40K24.85 mi0.85 mi8025-351322-461322-469708(Top 34%)2767(Top 23%)2767(Top 51%)
25.2M25.20 mi0.35 mi8065-401344-221344-2210934(Top 38%)3428(Top 28%)3428(Top 63%)
Finish26.22 mi1.02 mi8186-1211427-831427-8312060(Top 42%)3948(Top 32%)3948(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7070

Females

753

F18-39

753

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7607

Females

870

F18-39

870

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7070

Females

753

F18-39

753

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7423

Females

903

F18-39

903

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7577

Females

946

F18-39

946

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8332

Females

1356

F18-39

1356

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9151

Females

1901

F18-39

1901

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9731

Females

2307

F18-39

2307

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12504

Females

3851

F18-39

3851

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9646

Females

2421

F18-39

2421

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8506

Females

2037

F18-39

2037

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9024

Females

2332

F18-39

2332

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9708

Females

2767

F18-39

2767

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10934

Females

3428

F18-39

3428

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

12060

Females

3948

F18-39

3948

Passing Analysis

Category:
Athletes Passed
1683
Passed By
1645
Net Change
+38
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8224
5K → 10K45177+374#8224#7850
10K → 15K31335+278#7850#7572
15K → 20K16387+76#7572#7496
20K → Half3319+14#7496#7482
Half → 25K86152-66#7482#7548
25K → 30K149292-143#7548#7691
30K → 20M67141-74#7691#7765
20M → 21M58257-199#7765#7964
21M → 35K5090-40#7964#8004
35K → 23M12690+36#8004#7968
23M → 24M6082-22#7968#7990
24M → 40K6398-35#7990#8025
40K → 25.2M2161-40#8025#8065
25.2M → Finish43164-121#8065#8186
TOTALS16831645+38
📊

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