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BOSTON MARATHON 2025

Dana Stowell

Bib: 17565•F

FL

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0:00
0:00
/ mi
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Age Group (F18-39)
#0 / 5469
Top 30%
Race Day Weather
50°/40°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
22:46
Rank: #10658
Start → 5K
22:46 | 7:20/mi
10K· 6.21 mi
45:23
Rank: #10377 (+281)
5K → 10K
22:37 | 7:17/mi
15K· 9.32 mi
1:08:17
Rank: #10449 (-72)
10K → 15K
22:54 | 7:22/mi
20K· 12.43 mi
1:31:38
Rank: #10529 (-80)
15K → 20K
23:21 | 7:31/mi
Half· 13.11 mi
1:36:39
Rank: #10508 (+21)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:54:47
Rank: #10354 (+154)
Half → 25K
18:08 | 7:29/mi
30K· 18.64 mi
2:19:18
Rank: #10339 (+15)
25K → 30K
24:31 | 7:53/mi
20M
2:30:11
Rank: #10333 (+6)
30K → 20M
10:53 | 8:01/mi
21M
2:38:53
Rank: #10390 (-57)
20M → 21M
8:42 | 8:42/mi
35K· 21.75 mi
2:44:35
Rank: #10349 (+41)
21M → 35K
5:42 | 7:37/mi
23M
2:54:12
Rank: #10132 (+217)
35K → 23M
9:37 | 7:41/mi
24M
3:01:38
Rank: #9955 (+177)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
3:08:02
Rank: #9789 (+166)
24M → 40K
6:24 | 7:29/mi
25.2M
3:10:51
Rank: #9718 (+71)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:18:08
Rank: #9562 (+156)
25.2M → Finish
7:17 | 7:09/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:36:39
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:41:29
Pace7:44 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:5422:467:2022:46
7:20
-
10K
6.21 mi11:35:3145:237:1822:37
7:17
-0:03
15K
9.32 mi11:58:251:08:177:2022:54
7:22
+0:05
20K
12.43 mi12:21:461:31:387:2223:21
7:31
+0:09
Half
13.11 mi12:26:471:36:397:225:01
7:21
-0:10
25K
15.53 mi12:44:551:54:477:2318:08
7:29
+0:08
30K
18.64 mi13:09:262:19:187:2824:31
7:53
+0:24
20M
20.00 mi13:20:192:30:117:3110:53
8:01
+0:08
21M
21.00 mi13:29:012:38:537:348:42
8:42
+0:41
35K
21.75 mi13:34:432:44:357:345:42
7:37
-1:05
23M
23.00 mi13:44:202:54:127:349:37
7:41
+0:04
24M
24.00 mi13:51:463:01:387:347:26
7:26
-0:15
40K
24.85 mi13:58:103:08:027:346:24
7:29
+0:03
25.2M
25.20 mi14:00:593:10:517:342:49
8:10
+0:41
Finish
26.22 mi14:08:163:18:087:347:17
7:09
-1:01

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:09 /mi

Average Pace

7:34 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

29:54

15% of race

Time at Steady Pace

1:51:42

56% of race

Time at Slower Pace

56:32

29% of race

Average Pace: 7:33 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:12:5422:467:2022:46
7:20
#10658
10K
6.21 mi11:35:3145:237:1822:37
7:17
#10377
15K
9.32 mi11:58:251:08:177:2022:54
7:22
#10449
20K
12.43 mi12:21:461:31:387:2223:21
7:31
#10529
Half
13.11 mi12:26:471:36:397:225:01
7:21
#10508
25K
15.53 mi12:44:551:54:477:2318:08
7:29
#10354
30K
18.64 mi13:09:262:19:187:2824:31
7:53
#10339
20M
20.00 mi13:20:192:30:117:3110:53
8:01
#10333
21M
21.00 mi13:29:012:38:537:348:42
8:42
#10390
35K
21.75 mi13:34:432:44:357:345:42
7:37
#10349
23M
23.00 mi13:44:202:54:127:349:37
7:41
#10132
24M
24.00 mi13:51:463:01:387:347:26
7:26
#9955
40K
24.85 mi13:58:103:08:027:346:24
7:29
#9789
25.2M
25.20 mi14:00:593:10:517:342:49
8:10
#9718
Finish
26.22 mi14:08:163:18:087:347:17
7:09
#9562
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106582115211510610(Top 37%)2175(Top 18%)2175(Top 40%)
10K6.21 mi3.10 mi10377+2811993+1221993+12210198(Top 36%)1910(Top 16%)1910(Top 35%)
15K9.32 mi3.11 mi10449-722052-592052-5910610(Top 37%)2175(Top 18%)2175(Top 40%)
20K12.43 mi3.11 mi10529-802114-622114-6210900(Top 38%)2419(Top 20%)2419(Top 44%)
Half13.11 mi0.68 mi10508+212105+92105+910526(Top 37%)2191(Top 18%)2191(Top 40%)
25K15.53 mi2.42 mi10354+1542069+362069+369815(Top 35%)2025(Top 17%)2025(Top 37%)
30K18.64 mi3.11 mi10339+152119-502119-5010566(Top 37%)2572(Top 21%)2572(Top 47%)
20M20.00 mi1.36 mi10333+62163-442163-4410511(Top 37%)2685(Top 22%)2685(Top 49%)
21M21.00 mi1.00 mi10390-572235-722235-7211672(Top 41%)3422(Top 28%)3422(Top 63%)
35K21.75 mi0.75 mi10349+412238-32238-39501(Top 33%)2356(Top 19%)2356(Top 43%)
23M23.00 mi1.25 mi10132+2172173+652173+657806(Top 27%)1743(Top 14%)1743(Top 32%)
24M24.00 mi1.00 mi9955+1772116+572116+577294(Top 26%)1583(Top 13%)1583(Top 29%)
40K24.85 mi0.85 mi9789+1662073+432073+436774(Top 24%)1461(Top 12%)1461(Top 27%)
25.2M25.20 mi0.35 mi9718+712056+172056+176963(Top 25%)1635(Top 13%)1635(Top 30%)
Finish26.22 mi1.02 mi9562+1562029+272029+276732(Top 24%)1553(Top 13%)1553(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10610

Females

2175

F18-39

2175

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10198

Females

1910

F18-39

1910

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10610

Females

2175

F18-39

2175

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10900

Females

2419

F18-39

2419

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10526

Females

2191

F18-39

2191

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9815

Females

2025

F18-39

2025

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10566

Females

2572

F18-39

2572

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10511

Females

2685

F18-39

2685

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

11672

Females

3422

F18-39

3422

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9501

Females

2356

F18-39

2356

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7806

Females

1743

F18-39

1743

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7294

Females

1583

F18-39

1583

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6774

Females

1461

F18-39

1461

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6963

Females

1635

F18-39

1635

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6732

Females

1553

F18-39

1553

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2348*
Passed By
1250
Net Change
+1096
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10658
5K → 10K409128+281#10658#10377
10K → 15K145217-72#10377#10449
15K → 20K150229-80#10449#10529
20K → Half4827+21#10529#10508
Half → 25K22571+154#10508#10354
25K → 30K246230+15#10354#10339
30K → 20M117111+6#10339#10333
20M → 21M96153-57#10333#10390
21M → 35K7231+41#10390#10349
35K → 23M23114+217#10349#10132
23M → 24M188*11+177#10132#9955
24M → 40K1715+166#9955#9789
40K → 25.2M8211+71#9789#9718
25.2M → Finish16812+156#9718#9562
TOTALS2348*1250+1096

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing