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BOSTON MARATHON 2025

Dana Kahl

Bib: 24690•F

AR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
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
8:47/mi
27:18
↑ 97↓ 3451.5%
10K· 6.21 mi
8:54/mi
54:58
↑ 79↓ 1380.4%
15K· 9.32 mi
8:58/mi
1:22:50
↑ 67↓ 78
20K· 12.43 mi
9:16/mi
1:51:37
↑ 106↓ 860.1%
Half· 13.11 mi
9:11/mi
1:57:53
↑ 19↓ 370.5%
25K· 15.53 mi
9:38/mi
2:21:15
↑ 66↓ 880.2%
30K· 18.64 mi
10:14/mi
2:53:04
↑ 181↓ 1480.2%
20M
10:46/mi
3:07:42
↑ 64↓ 500.2%
21M
11:45/mi
3:19:27
↑ 106↓ 241.6%
35K· 21.75 mi
10:31/mi
3:27:19
↑ 17↓ 861.7%
23M
11:20/mi
3:41:31
↑ 23↓ 630.6%
24M
11:21/mi
3:52:52
↓ 821.3%
40K· 24.85 mi
12:36/mi
4:03:38
↓ 200.3%
25.2M
13:26/mi
4:08:16
↑ 13↓ 160.2%
Finish· 26.22 mi
10:38/mi
4:19:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:53
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:21:13
Pace10:46 /mi
📊Positive Split: 19.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:4627:188:4727:18
8:47
-
10K
6.21 mi11:55:2654:588:5127:40
8:54
+0:07
15K
9.32 mi12:23:181:22:508:5327:52
8:58
+0:04
20K
12.43 mi12:52:051:51:378:5928:47
9:16
+0:18
Half
13.11 mi12:58:211:57:539:006:16
9:11
-0:05
25K
15.53 mi13:21:432:21:159:0623:22
9:38
+0:27
30K
18.64 mi13:53:322:53:049:1731:49
10:14
+0:36
20M
20.00 mi14:08:103:07:429:2314:38
10:46
+0:32
21M
21.00 mi14:19:553:19:279:3011:45
11:45
+0:59
35K
21.75 mi14:27:473:27:199:327:52
10:31
-1:14
23M
23.00 mi14:41:593:41:319:3814:12
11:20
+0:49
24M
24.00 mi14:53:203:52:529:4211:21
11:21
+0:01
40K
24.85 mi15:04:064:03:389:4810:46
12:36
+1:15
25.2M
25.20 mi15:08:444:08:169:514:38
13:26
+0:50
Finish
26.22 mi15:19:344:19:069:5310:50
10:38
-2:48

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

8:47 /mi

Average Pace

9:53 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:15

55% of race

Time at Steady Pace

1:05:09

25% of race

Time at Slower Pace

52:42

20% of race

Average Pace: 9:53 /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 mi11:27:4627:188:4727:18
8:47
#21464
10K
6.21 mi11:55:2654:588:5127:40
8:54
#21695
15K
9.32 mi12:23:181:22:508:5327:52
8:58
#21757
20K
12.43 mi12:52:051:51:378:5928:47
9:16
#21853
Half
13.11 mi12:58:211:57:539:006:16
9:11
#21881
25K
15.53 mi13:21:432:21:159:0623:22
9:38
#21980
30K
18.64 mi13:53:322:53:049:1731:49
10:14
#22108
20M
20.00 mi14:08:103:07:429:2314:38
10:46
#22200
21M
21.00 mi14:19:553:19:279:3011:45
11:45
#22247
35K
21.75 mi14:27:473:27:199:327:52
10:31
#22284
23M
23.00 mi14:41:593:41:319:3814:12
11:20
#22393
24M
24.00 mi14:53:203:52:529:4211:21
11:21
#22497
40K
24.85 mi15:04:064:03:389:4810:46
12:36
#22676
25.2M
25.20 mi15:08:444:08:169:514:38
13:26
#22748
Finish
26.22 mi15:19:344:19:069:5310:50
10:38
#22845
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi214648346834621910(Top 77%)8494(Top 69%)8494(Top 855%)
10K6.21 mi3.10 mi21695-2318439-938439-9321963(Top 77%)8576(Top 70%)8576(Top 863%)
15K9.32 mi3.11 mi21757-628472-338472-3321910(Top 77%)8494(Top 69%)8494(Top 855%)
20K12.43 mi3.11 mi21853-968525-538525-5322172(Top 78%)8682(Top 71%)8682(Top 873%)
Half13.11 mi0.68 mi21881-288536-118536-1122574(Top 79%)8925(Top 73%)8925(Top 898%)
25K15.53 mi2.42 mi21980-998593-578593-5722324(Top 79%)8832(Top 72%)8832(Top 889%)
30K18.64 mi3.11 mi22108-1288682-898682-8922299(Top 79%)8940(Top 73%)8940(Top 899%)
20M20.00 mi1.36 mi22200-928753-718753-7123116(Top 81%)9478(Top 78%)9478(Top 954%)
21M21.00 mi1.00 mi22247-478800-478800-4723131(Top 81%)9558(Top 78%)9558(Top 962%)
35K21.75 mi0.75 mi22284-378836-368836-3623224(Top 82%)9664(Top 79%)9664(Top 972%)
23M23.00 mi1.25 mi22393-1098936-1008936-10023978(Top 84%)10086(Top 82%)10086(Top 1015%)
24M24.00 mi1.00 mi22497-1049009-739009-7324656(Top 87%)10462(Top 86%)10462(Top 1053%)
40K24.85 mi0.85 mi22676-1799123-1149123-11425793(Top 91%)11036(Top 90%)11036(Top 1110%)
25.2M25.20 mi0.35 mi22748-729175-529175-5225613(Top 90%)10998(Top 90%)10998(Top 1106%)
Finish26.22 mi1.02 mi22845-979244-699244-6924585(Top 87%)10447(Top 85%)10447(Top 1051%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

21910

Females

8494

F55-59

8494

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21963

Females

8576

F55-59

8576

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

21910

Females

8494

F55-59

8494

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22172

Females

8682

F55-59

8682

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

22574

Females

8925

F55-59

8925

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

22324

Females

8832

F55-59

8832

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

22299

Females

8940

F55-59

8940

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

23116

Females

9478

F55-59

9478

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

23131

Females

9558

F55-59

9558

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

23224

Females

9664

F55-59

9664

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23978

Females

10086

F55-59

10086

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24656

Females

10462

F55-59

10462

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25793

Females

11036

F55-59

11036

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25613

Females

10998

F55-59

10998

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24585

Females

10447

F55-59

10447

Passing Analysis

Category:
Athletes Passed
1064
Passed By
2445
Net Change
-1381
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21464
5K → 10K179410-231#21464#21695
10K → 15K182244-62#21695#21757
15K → 20K159255-96#21757#21853
20K → Half2351-28#21853#21881
Half → 25K117216-99#21881#21980
25K → 30K145273-128#21980#22108
30K → 20M59151-92#22108#22200
20M → 21M71118-47#22200#22247
21M → 35K2663-37#22247#22284
35K → 23M45154-109#22284#22393
23M → 24M27131-104#22393#22497
24M → 40K7186-179#22497#22676
40K → 25.2M779-72#22676#22748
25.2M → Finish17114-97#22748#22845
TOTALS10642445-1381
📊

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