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BOSTON MARATHON 2025

Kirsten Gower

OR

Bib: 18251 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:53/mi
24:29
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:56/mi
49:07
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:05/mi
1:14:14
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:37/mi
1:44:06
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:54/mi
1:50:10
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:35/mi
2:18:14
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:47/mi
2:54:51
↑ 181↓ 1480.2%
138 ft elev
20M
9:27/mi
3:07:42
↑ 64↓ 500.2%
148 ft elev
21M
10:13/mi
3:17:55
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:12/mi
3:26:18
↑ 17↓ 861.7%
156 ft elev
23M
9:29/mi
3:38:10
↑ 23↓ 630.6%
116 ft elev
24M
7:12/mi
3:45:22
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:24/mi
3:51:42
↓ 200.3%
20 ft elev
25.2M
8:27/mi
3:54:37
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:00/mi
4:01:45
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:10
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time2:11:35
Pace10:02 /mi
📊Positive Split: 19.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5424:297:5324:29
7:53
-
10K
6.21 mi11:40:3249:077:5424:38
7:56
+0:03
15K
9.32 mi12:05:391:14:147:5825:07
8:05
+0:09
20K
12.43 mi12:35:311:44:068:2329:52
9:37
+1:32
Half
13.11 mi12:41:351:50:108:246:04
8:54
-0:43
25K
15.53 mi13:09:392:18:148:5428:04
11:35
+2:41
30K
18.64 mi13:46:162:54:519:2336:37
11:47
+0:12
20M
20.00 mi13:59:073:07:429:2312:51
9:27
-2:20
21M
21.00 mi14:09:203:17:559:2510:13
10:13
+0:46
35K
21.75 mi14:17:433:26:189:298:23
11:12
+0:59
23M
23.00 mi14:29:353:38:109:2911:52
9:29
-1:43
24M
24.00 mi14:36:473:45:229:237:12
7:12
-2:17
40K
24.85 mi14:43:073:51:429:196:20
7:24
+0:12
25.2M
25.20 mi14:46:023:54:379:192:55
8:27
+1:03
Finish
26.22 mi14:53:104:01:459:147:08
7:00
-1:27

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

7:00 /mi

Average Pace

9:14 /mi

Slowest Pace

11:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:54

39% of race

Time at Steady Pace

1:03:34

26% of race

Time at Slower Pace

1:23:17

34% of race

Average Pace: 9:13 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:15:5424:297:5324:29
7:53
#15531
10K
6.21 mi11:40:3249:077:5424:38
7:56
#15739
15K
9.32 mi12:05:391:14:147:5825:07
8:05
#16052
20K
12.43 mi12:35:311:44:068:2329:52
9:37
#18496
Half
13.11 mi12:41:351:50:108:246:04
8:54
#18665
25K
15.53 mi13:09:392:18:148:5428:04
11:35
#21092
30K
18.64 mi13:46:162:54:519:2336:37
11:47
#22428
20M
20.00 mi13:59:073:07:429:2312:51
9:27
#22196
21M
21.00 mi14:09:203:17:559:2510:13
10:13
#21998
35K
21.75 mi14:17:433:26:189:298:23
11:12
#22121
23M
23.00 mi14:29:353:38:109:2911:52
9:29
#21907
24M
24.00 mi14:36:473:45:229:237:12
7:12
#21476
40K
24.85 mi14:43:073:51:429:196:20
7:24
#21095
25.2M
25.20 mi14:46:023:54:379:192:55
8:27
#20933
Finish
26.22 mi14:53:104:01:459:147:08
7:00
#20605
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi155314853485316653(Top 59%)5533(Top 45%)5533(Top 101%)
10K6.21 mi3.10 mi15739-2084986-1334986-13315920(Top 56%)5083(Top 42%)5083(Top 93%)
15K9.32 mi3.11 mi16052-3135172-1865172-18616653(Top 59%)5533(Top 45%)5533(Top 101%)
20K12.43 mi3.11 mi18496-24446619-14476619-144723254(Top 82%)9276(Top 76%)9276(Top 170%)
Half13.11 mi0.68 mi18665-1696719-1006719-10021383(Top 75%)8244(Top 67%)8244(Top 151%)
25K15.53 mi2.42 mi21092-24278095-13768095-137625958(Top 91%)10841(Top 89%)10841(Top 198%)
30K18.64 mi3.11 mi22428-13368871-7768871-77625294(Top 89%)10553(Top 86%)10553(Top 193%)
20M20.00 mi1.36 mi22196+2328749+1228749+12219005(Top 67%)7264(Top 59%)7264(Top 133%)
21M21.00 mi1.00 mi21998+1988664+858664+8519101(Top 67%)7385(Top 60%)7385(Top 135%)
35K21.75 mi0.75 mi22121-1238745-818745-8124635(Top 87%)10395(Top 85%)10395(Top 190%)
23M23.00 mi1.25 mi21907+2148664+818664+8118613(Top 66%)7306(Top 60%)7306(Top 134%)
24M24.00 mi1.00 mi21476+4318438+2268438+2265879(Top 21%)1036(Top 8%)1036(Top 19%)
40K24.85 mi0.85 mi21095+3818252+1868252+1866315(Top 22%)1275(Top 10%)1275(Top 23%)
25.2M25.20 mi0.35 mi20933+1628173+798173+798692(Top 31%)2405(Top 20%)2405(Top 44%)
Finish26.22 mi1.02 mi20605+3288002+1718002+1715784(Top 20%)1179(Top 10%)1179(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16653

Females

5533

F18-39

5533

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15920

Females

5083

F18-39

5083

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16653

Females

5533

F18-39

5533

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23254

Females

9276

F18-39

9276

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21383

Females

8244

F18-39

8244

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25958

Females

10841

F18-39

10841

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25294

Females

10553

F18-39

10553

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

19005

Females

7264

F18-39

7264

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

19101

Females

7385

F18-39

7385

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24635

Females

10395

F18-39

10395

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

18613

Females

7306

F18-39

7306

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5879

Females

1036

F18-39

1036

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6315

Females

1275

F18-39

1275

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8692

Females

2405

F18-39

2405

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5784

Females

1179

F18-39

1179

Passing Analysis

Category:
Athletes Passed
2361
Passed By
7435
Net Change
-5074
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15531
5K → 10K230438-208#15531#15739
10K → 15K115428-313#15739#16052
15K → 20K72451-2444#16052#18496
20K → Half7176-169#18496#18665
Half → 25K62433-2427#18665#21092
25K → 30K201356-1336#21092#22428
30K → 20M2331+232#22428#22196
20M → 21M2068+198#22196#21998
21M → 35K16139-123#21998#22121
35K → 23M2195+214#22121#21907
23M → 24M4310+431#21907#21476
24M → 40K3810+381#21476#21095
40K → 25.2M1620+162#21095#20933
25.2M → Finish3280+328#20933#20605
TOTALS23617435-5074
📊

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