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BOSTON MARATHON 2025

Kirsten Adams

Bib: 15905•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 35%
Gender (Female)
#0 / 12228
Top 18%
Division (F18-39)
#0 / 5469
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:03
Rank: #11529
Start → 5K
23:03 | 7:25/mi
10K· 6.21 mi
46:15
Rank: #11649 (-120)
5K → 10K
23:12 | 7:28/mi
15K· 9.32 mi
1:09:20
Rank: #11442 (+207)
10K → 15K
23:05 | 7:26/mi
20K· 12.43 mi
1:32:37
Rank: #11255 (+187)
15K → 20K
23:17 | 7:30/mi
Half· 13.11 mi
1:37:42
Rank: #11245 (+10)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:55:56
Rank: #11016 (+229)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:20:16
Rank: #10803 (+213)
25K → 30K
24:20 | 7:50/mi
20M
2:30:59
Rank: #10685 (+118)
30K → 20M
10:43 | 7:53/mi
21M
2:39:12
Rank: #10530 (+155)
20M → 21M
8:13 | 8:13/mi
35K· 21.75 mi
2:44:55
Rank: #10474 (+56)
21M → 35K
5:43 | 7:38/mi
23M
2:54:49
Rank: #10350 (+124)
35K → 23M
9:54 | 7:54/mi
24M
3:02:32
Rank: #10276 (+74)
23M → 24M
7:43 | 7:43/mi
40K· 24.85 mi
3:09:12
Rank: #10175 (+101)
24M → 40K
6:40 | 7:48/mi
25.2M
3:12:04
Rank: #10122 (+53)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:19:45
Rank: #10066 (+56)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:42
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:42:03
Pace7:47 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0423:037:2523:03
7:25
-
10K
6.21 mi11:18:1646:157:2723:12
7:28
+0:03
15K
9.32 mi11:41:211:09:207:2623:05
7:26
-0:02
20K
12.43 mi12:04:381:32:377:2723:17
7:30
+0:04
Half
13.11 mi12:09:431:37:427:275:05
7:27
-0:03
25K
15.53 mi12:27:571:55:567:2818:14
7:31
+0:04
30K
18.64 mi12:52:172:20:167:3124:20
7:50
+0:19
20M
20.00 mi13:03:002:30:597:3310:43
7:53
+0:03
21M
21.00 mi13:11:132:39:127:358:13
8:13
+0:20
35K
21.75 mi13:16:562:44:557:355:43
7:38
-0:35
23M
23.00 mi13:26:502:54:497:369:54
7:54
+0:16
24M
24.00 mi13:34:333:02:327:367:43
7:43
-0:11
40K
24.85 mi13:41:133:09:127:376:40
7:48
+0:05
25.2M
25.20 mi13:44:053:12:047:372:52
8:19
+0:31
Finish
26.22 mi13:51:463:19:457:377:41
7:32
-0:47

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

7:25 /mi

Average Pace

7:37 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:40

94% of race

Time at Steady Pace

11:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi10:55:0423:037:2523:03
7:25
#11529
10K
6.21 mi11:18:1646:157:2723:12
7:28
#11649
15K
9.32 mi11:41:211:09:207:2623:05
7:26
#11442
20K
12.43 mi12:04:381:32:377:2723:17
7:30
#11255
Half
13.11 mi12:09:431:37:427:275:05
7:27
#11245
25K
15.53 mi12:27:571:55:567:2818:14
7:31
#11016
30K
18.64 mi12:52:172:20:167:3124:20
7:50
#10803
20M
20.00 mi13:03:002:30:597:3310:43
7:53
#10685
21M
21.00 mi13:11:132:39:127:358:13
8:13
#10530
35K
21.75 mi13:16:562:44:557:355:43
7:38
#10474
23M
23.00 mi13:26:502:54:497:369:54
7:54
#10350
24M
24.00 mi13:34:333:02:327:367:43
7:43
#10276
40K
24.85 mi13:41:133:09:127:376:40
7:48
#10175
25.2M
25.20 mi13:44:053:12:047:372:52
8:19
#10122
Finish
26.22 mi13:51:463:19:457:377:41
7:32
#10066
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi115292539253911157(Top 39%)2449(Top 20%)2449(Top 45%)
10K6.21 mi3.10 mi11649-1202622-832622-8311797(Top 42%)2711(Top 22%)2711(Top 50%)
15K9.32 mi3.11 mi11442+2072549+732549+7311157(Top 39%)2449(Top 20%)2449(Top 45%)
20K12.43 mi3.11 mi11255+1872483+662483+6610727(Top 38%)2330(Top 19%)2330(Top 43%)
Half13.11 mi0.68 mi11245+102470+132470+1311353(Top 40%)2598(Top 21%)2598(Top 48%)
25K15.53 mi2.42 mi11016+2292397+732397+7310165(Top 36%)2170(Top 18%)2170(Top 40%)
30K18.64 mi3.11 mi10803+2132365+322365+3210174(Top 36%)2366(Top 19%)2366(Top 43%)
20M20.00 mi1.36 mi10685+1182347+182347+189641(Top 34%)2275(Top 19%)2275(Top 42%)
21M21.00 mi1.00 mi10530+1552308+392308+398709(Top 31%)2036(Top 17%)2036(Top 37%)
35K21.75 mi0.75 mi10474+562294+142294+149665(Top 34%)2440(Top 20%)2440(Top 45%)
23M23.00 mi1.25 mi10350+1242287+72287+79362(Top 33%)2429(Top 20%)2429(Top 44%)
24M24.00 mi1.00 mi10276+742273+142273+149241(Top 33%)2439(Top 20%)2439(Top 45%)
40K24.85 mi0.85 mi10175+1012266+72266+78777(Top 31%)2347(Top 19%)2347(Top 43%)
25.2M25.20 mi0.35 mi10122+532251+152251+157787(Top 27%)1976(Top 16%)1976(Top 36%)
Finish26.22 mi1.02 mi10066+562254-32254-39506(Top 33%)2761(Top 23%)2761(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

11157

Females

2449

F18-39

2449

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11797

Females

2711

F18-39

2711

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

11157

Females

2449

F18-39

2449

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10727

Females

2330

F18-39

2330

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

11353

Females

2598

F18-39

2598

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10165

Females

2170

F18-39

2170

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

10174

Females

2366

F18-39

2366

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9641

Females

2275

F18-39

2275

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8709

Females

2036

F18-39

2036

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9665

Females

2440

F18-39

2440

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9362

Females

2429

F18-39

2429

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9241

Females

2439

F18-39

2439

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8777

Females

2347

F18-39

2347

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7787

Females

1976

F18-39

1976

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9506

Females

2761

F18-39

2761

Passing Analysis

Category:
Athletes Passed
2414
Passed By
951
Net Change
+1463
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11529
5K → 10K186306-120#11529#11649
10K → 15K29487+207#11649#11442
15K → 20K27487+187#11442#11255
20K → Half3929+10#11255#11245
Half → 25K27344+229#11245#11016
25K → 30K340127+213#11016#10803
30K → 20M17052+118#10803#10685
20M → 21M18429+155#10685#10530
21M → 35K8226+56#10530#10474
35K → 23M16844+124#10474#10350
23M → 24M11339+74#10350#10276
24M → 40K12625+101#10276#10175
40K → 25.2M607+53#10175#10122
25.2M → Finish10549+56#10122#10066
TOTALS2414951+1463
📊

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