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BOSTON MARATHON 2025

Kat Adelman

Bib: 15539•F

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Female)
#0 / 12228
Top 3%
Division (F18-39)
#0 / 5469
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:31
Rank: #2343
Start → 5K
19:31 | 6:17/mi
10K· 6.21 mi
39:13
Rank: #2506 (-163)
5K → 10K
19:42 | 6:20/mi
15K· 9.32 mi
59:34
Rank: #2948 (-442)
10K → 15K
20:21 | 6:33/mi
20K· 12.43 mi
1:20:27
Rank: #3319 (-371)
15K → 20K
20:53 | 6:43/mi
Half· 13.11 mi
1:24:55
Rank: #3354 (-35)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:41:10
Rank: #3466 (-112)
Half → 25K
16:15 | 6:42/mi
30K· 18.64 mi
2:02:29
Rank: #3461 (+5)
25K → 30K
21:19 | 6:52/mi
20M
2:12:12
Rank: #3548 (-87)
30K → 20M
9:43 | 7:09/mi
21M
2:19:55
Rank: #3630 (-82)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:25:25
Rank: #3738 (-108)
21M → 35K
5:30 | 7:21/mi
23M
2:36:32
Rank: #4432 (-694)
35K → 23M
11:07 | 8:53/mi
24M
2:44:26
Rank: #4732 (-300)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
2:50:55
Rank: #4847 (-115)
24M → 40K
6:29 | 7:35/mi
25.2M
2:53:38
Rank: #4845 (+2)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:00:52
Rank: #4885 (-40)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:55
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:35:57
Pace7:19 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4519:316:1719:31
6:17
-
10K
6.21 mi11:10:2739:136:1919:42
6:20
+0:03
15K
9.32 mi11:30:4859:346:2320:21
6:33
+0:13
20K
12.43 mi11:51:411:20:276:2820:53
6:43
+0:10
Half
13.11 mi11:56:091:24:556:294:28
6:33
-0:10
25K
15.53 mi12:12:241:41:106:3116:15
6:42
+0:09
30K
18.64 mi12:33:432:02:296:3421:19
6:52
+0:10
20M
20.00 mi12:43:262:12:126:379:43
7:09
+0:17
21M
21.00 mi12:51:092:19:556:407:43
7:43
+0:34
35K
21.75 mi12:56:392:25:256:415:30
7:21
-0:22
23M
23.00 mi13:07:462:36:326:4811:07
8:53
+1:32
24M
24.00 mi13:15:402:44:266:517:54
7:54
-0:59
40K
24.85 mi13:22:092:50:556:536:29
7:35
-0:19
25.2M
25.20 mi13:24:522:53:386:532:43
7:53
+0:18
Finish
26.22 mi13:32:063:00:526:547:14
7:06
-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

6:17 /mi

Average Pace

6:54 /mi

Slowest Pace

8:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:10

56% of race

Time at Steady Pace

43:46

24% of race

Time at Slower Pace

35:56

20% of race

Average Pace: 6:54 /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 mi10:50:4519:316:1719:31
6:17
#2343
10K
6.21 mi11:10:2739:136:1919:42
6:20
#2506
15K
9.32 mi11:30:4859:346:2320:21
6:33
#2948
20K
12.43 mi11:51:411:20:276:2820:53
6:43
#3319
Half
13.11 mi11:56:091:24:556:294:28
6:33
#3354
25K
15.53 mi12:12:241:41:106:3116:15
6:42
#3466
30K
18.64 mi12:33:432:02:296:3421:19
6:52
#3461
20M
20.00 mi12:43:262:12:126:379:43
7:09
#3548
21M
21.00 mi12:51:092:19:556:407:43
7:43
#3630
35K
21.75 mi12:56:392:25:256:415:30
7:21
#3738
23M
23.00 mi13:07:462:36:326:4811:07
8:53
#4432
24M
24.00 mi13:15:402:44:266:517:54
7:54
#4732
40K
24.85 mi13:22:092:50:556:536:29
7:35
#4847
25.2M
25.20 mi13:24:522:53:386:532:43
7:53
#4845
Finish
26.22 mi13:32:063:00:526:547:14
7:06
#4885
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi23431041043902(Top 14%)216(Top 2%)216(Top 4%)
10K6.21 mi3.10 mi2506-163113-9113-92694(Top 9%)122(Top 1.0%)122(Top 2%)
15K9.32 mi3.11 mi2948-442133-20133-203902(Top 14%)216(Top 2%)216(Top 4%)
20K12.43 mi3.11 mi3319-371155-22155-224642(Top 16%)325(Top 3%)325(Top 6%)
Half13.11 mi0.68 mi3354-35163-8163-84090(Top 14%)246(Top 2%)246(Top 4%)
25K15.53 mi2.42 mi3466-112172-9172-94182(Top 15%)286(Top 2%)286(Top 5%)
30K18.64 mi3.11 mi3461+5179-7179-73842(Top 14%)284(Top 2%)284(Top 5%)
20M20.00 mi1.36 mi3548-87192-13192-134950(Top 17%)489(Top 4%)489(Top 9%)
21M21.00 mi1.00 mi3630-82204-12204-125752(Top 20%)827(Top 7%)827(Top 15%)
35K21.75 mi0.75 mi3738-108217-13217-137577(Top 27%)1506(Top 12%)1506(Top 28%)
23M23.00 mi1.25 mi4432-694320-103320-10315555(Top 55%)5633(Top 46%)5633(Top 103%)
24M24.00 mi1.00 mi4732-300371-51371-5110549(Top 37%)3060(Top 25%)3060(Top 56%)
40K24.85 mi0.85 mi4847-115394-23394-237323(Top 26%)1675(Top 14%)1675(Top 31%)
25.2M25.20 mi0.35 mi4845+2400-6400-65340(Top 19%)970(Top 8%)970(Top 18%)
Finish26.22 mi1.02 mi4885-40418-18418-186382(Top 22%)1383(Top 11%)1383(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3902

Females

216

F18-39

216

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2694

Females

122

F18-39

122

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3902

Females

216

F18-39

216

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4642

Females

325

F18-39

325

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

4090

Females

246

F18-39

246

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4182

Females

286

F18-39

286

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3842

Females

284

F18-39

284

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4950

Females

489

F18-39

489

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5752

Females

827

F18-39

827

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7577

Females

1506

F18-39

1506

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15555

Females

5633

F18-39

5633

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10549

Females

3060

F18-39

3060

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7323

Females

1675

F18-39

1675

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5340

Females

970

F18-39

970

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6382

Females

1383

F18-39

1383

Passing Analysis

Category:
Athletes Passed
456
Passed By
2998
Net Change
-2542
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2343
5K → 10K53216-163#2343#2506
10K → 15K16458-442#2506#2948
15K → 20K23394-371#2948#3319
20K → Half843-35#3319#3354
Half → 25K41153-112#3354#3466
25K → 30K116111+5#3466#3461
30K → 20M38125-87#3461#3548
20M → 21M23105-82#3548#3630
21M → 35K13121-108#3630#3738
35K → 23M9703-694#3738#4432
23M → 24M17317-300#4432#4732
24M → 40K31146-115#4732#4847
40K → 25.2M2826+2#4847#4845
25.2M → Finish4080-40#4845#4885
TOTALS4562998-2542
📊

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