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BOSTON MARATHON 2025

Tara Rossnagle

Bib: 20573•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 48%
Masters (Masters Women)
#0 / 6759
Top 36%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
25:47
Rank: #18713
Start → 5K
25:47 | 8:18/mi
10K· 6.21 mi
51:49
Rank: #18853 (-140)
5K → 10K
26:02 | 8:23/mi
15K· 9.32 mi
1:17:38
Rank: #18587 (+266)
10K → 15K
25:49 | 8:19/mi
20K· 12.43 mi
1:43:53
Rank: #18383 (+204)
15K → 20K
26:15 | 8:27/mi
Half· 13.11 mi
1:49:27
Rank: #18301 (+82)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:09:39
Rank: #17907 (+394)
Half → 25K
20:12 | 8:20/mi
30K· 18.64 mi
2:36:31
Rank: #17444 (+463)
25K → 30K
26:52 | 8:39/mi
20M
2:48:30
Rank: #17301 (+143)
30K → 20M
11:59 | 8:49/mi
21M
2:57:56
Rank: #17184 (+117)
20M → 21M
9:26 | 9:26/mi
35K· 21.75 mi
3:04:07
Rank: #17045 (+139)
21M → 35K
6:11 | 8:16/mi
23M
3:14:57
Rank: #16859 (+186)
35K → 23M
10:50 | 8:39/mi
24M
3:23:29
Rank: #16743 (+116)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:30:58
Rank: #16660 (+83)
24M → 40K
7:29 | 8:45/mi
25.2M
3:34:21
Rank: #16662 (-2)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:43:11
Rank: #16675 (-13)
25.2M → Finish
8:50 | 8:40/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:27
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:53:44
Pace8:41 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5425:478:1825:47
8:18
-
10K
6.21 mi11:45:5651:498:2026:02
8:23
+0:05
15K
9.32 mi12:11:451:17:388:2025:49
8:19
-0:04
20K
12.43 mi12:38:001:43:538:2226:15
8:27
+0:08
Half
13.11 mi12:43:341:49:278:215:34
8:10
-0:17
25K
15.53 mi13:03:462:09:398:2120:12
8:20
+0:10
30K
18.64 mi13:30:382:36:318:2426:52
8:39
+0:19
20M
20.00 mi13:42:372:48:308:2511:59
8:49
+0:10
21M
21.00 mi13:52:032:57:568:289:26
9:26
+0:37
35K
21.75 mi13:58:143:04:078:286:11
8:16
-1:10
23M
23.00 mi14:09:043:14:578:2910:50
8:39
+0:23
24M
24.00 mi14:17:363:23:298:298:32
8:32
-0:07
40K
24.85 mi14:25:053:30:588:297:29
8:45
+0:13
25.2M
25.20 mi14:28:283:34:218:303:23
9:49
+1:04
Finish
26.22 mi14:37:183:43:118:318:50
8:40
-1:09

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

8:10 /mi

Average Pace

8:31 /mi

Slowest Pace

9:49 /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

37:32

17% of race

Time at Steady Pace

2:40:51

72% of race

Time at Slower Pace

24:48

11% of race

Average Pace: 8:31 /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 mi11:19:5425:478:1825:47
8:18
#18713
10K
6.21 mi11:45:5651:498:2026:02
8:23
#18853
15K
9.32 mi12:11:451:17:388:2025:49
8:19
#18587
20K
12.43 mi12:38:001:43:538:2226:15
8:27
#18383
Half
13.11 mi12:43:341:49:278:215:34
8:10
#18301
25K
15.53 mi13:03:462:09:398:2120:12
8:20
#17907
30K
18.64 mi13:30:382:36:318:2426:52
8:39
#17444
20M
20.00 mi13:42:372:48:308:2511:59
8:49
#17301
21M
21.00 mi13:52:032:57:568:289:26
9:26
#17184
35K
21.75 mi13:58:143:04:078:286:11
8:16
#17045
23M
23.00 mi14:09:043:14:578:2910:50
8:39
#16859
24M
24.00 mi14:17:363:23:298:298:32
8:32
#16743
40K
24.85 mi14:25:053:30:588:297:29
8:45
#16660
25.2M
25.20 mi14:28:283:34:218:303:23
9:49
#16662
Finish
26.22 mi14:37:183:43:118:318:50
8:40
#16675
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi187136746674618131(Top 64%)6399(Top 52%)6399(Top 372%)
10K6.21 mi3.10 mi18853-1406821-756821-7519073(Top 67%)6924(Top 57%)6924(Top 403%)
15K9.32 mi3.11 mi18587+2666671+1506671+15018131(Top 64%)6399(Top 52%)6399(Top 372%)
20K12.43 mi3.11 mi18383+2046560+1116560+11117877(Top 63%)6271(Top 51%)6271(Top 365%)
Half13.11 mi0.68 mi18301+826518+426518+4217069(Top 60%)5807(Top 47%)5807(Top 338%)
25K15.53 mi2.42 mi17907+3946299+2196299+21916140(Top 57%)5396(Top 44%)5396(Top 314%)
30K18.64 mi3.11 mi17444+4636082+2176082+21715702(Top 55%)5288(Top 43%)5288(Top 308%)
20M20.00 mi1.36 mi17301+1436027+556027+5515788(Top 56%)5474(Top 45%)5474(Top 319%)
21M21.00 mi1.00 mi17184+1175983+445983+4415803(Top 56%)5606(Top 46%)5606(Top 326%)
35K21.75 mi0.75 mi17045+1395927+565927+5614112(Top 50%)4748(Top 39%)4748(Top 276%)
23M23.00 mi1.25 mi16859+1865849+785849+7814290(Top 50%)4962(Top 41%)4962(Top 289%)
24M24.00 mi1.00 mi16743+1165807+425807+4214765(Top 52%)5253(Top 43%)5253(Top 306%)
40K24.85 mi0.85 mi16660+835791+165791+1614951(Top 53%)5496(Top 45%)5496(Top 320%)
25.2M25.20 mi0.35 mi16662-25801-105801-1016194(Top 57%)6179(Top 51%)6179(Top 360%)
Finish26.22 mi1.02 mi16675-135831-305831-3017296(Top 61%)6699(Top 55%)6699(Top 390%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18131

Females

6399

F40-44

6399

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

19073

Females

6924

F40-44

6924

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18131

Females

6399

F40-44

6399

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

17877

Females

6271

F40-44

6271

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

17069

Females

5807

F40-44

5807

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16140

Females

5396

F40-44

5396

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

15702

Females

5288

F40-44

5288

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15788

Females

5474

F40-44

5474

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15803

Females

5606

F40-44

5606

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14112

Females

4748

F40-44

4748

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14290

Females

4962

F40-44

4962

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14765

Females

5253

F40-44

5253

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14951

Females

5496

F40-44

5496

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16194

Females

6179

F40-44

6179

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17296

Females

6699

F40-44

6699

Passing Analysis

Category:
Athletes Passed
2896
Passed By
858
Net Change
+2038
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18713
5K → 10K200340-140#18713#18853
10K → 15K35185+266#18853#18587
15K → 20K28985+204#18587#18383
20K → Half908+82#18383#18301
Half → 25K41016+394#18301#17907
25K → 30K49734+463#17907#17444
30K → 20M18340+143#17444#17301
20M → 21M16346+117#17301#17184
21M → 35K1489+139#17184#17045
35K → 23M21428+186#17045#16859
23M → 24M13721+116#16859#16743
24M → 40K11936+83#16743#16660
40K → 25.2M2729-2#16660#16662
25.2M → Finish6881-13#16662#16675
TOTALS2896858+2038
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing