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BOSTON MARATHON 2025

Clarissa Hell

Bib: 11713•F

AL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:30
Rank: #9860
Start → 5K
22:30 | 7:15/mi
10K· 6.21 mi
44:45
Rank: #9482 (+378)
5K → 10K
22:15 | 7:10/mi
15K· 9.32 mi
1:07:02
Rank: #9275 (+207)
10K → 15K
22:17 | 7:10/mi
20K· 12.43 mi
1:29:39
Rank: #9123 (+152)
15K → 20K
22:37 | 7:17/mi
Half· 13.11 mi
1:34:33
Rank: #9109 (+14)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:52:33
Rank: #9081 (+28)
Half → 25K
18:00 | 7:25/mi
30K· 18.64 mi
2:17:54
Rank: #9692 (-611)
25K → 30K
25:21 | 8:10/mi
20M
2:30:24
Rank: #10428 (-736)
30K → 20M
12:30 | 9:12/mi
21M
2:40:07
Rank: #10882 (-454)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
2:46:55
Rank: #11196 (-314)
21M → 35K
6:48 | 9:05/mi
23M
2:58:59
Rank: #11825 (-629)
35K → 23M
12:04 | 9:38/mi
24M
3:08:00
Rank: #12109 (-284)
23M → 24M
9:01 | 9:01/mi
40K· 24.85 mi
3:15:34
Rank: #12248 (-139)
24M → 40K
7:34 | 8:51/mi
25.2M
3:18:22
Rank: #12140 (+108)
40K → 25.2M
2:48 | 8:08/mi
Finish· 26.22 mi
3:26:40
Rank: #12180 (-40)
25.2M → Finish
8:18 | 8:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:33
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:52:07
Pace8:33 /mi
📊Positive Split: 18.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0322:307:1522:30
7:15
-
10K
6.21 mi11:12:1844:457:1222:15
7:10
-0:05
15K
9.32 mi11:34:351:07:027:1222:17
7:10
0:00
20K
12.43 mi11:57:121:29:397:1322:37
7:17
+0:07
Half
13.11 mi12:02:061:34:337:134:54
7:11
-0:06
25K
15.53 mi12:20:061:52:337:1518:00
7:25
+0:14
30K
18.64 mi12:45:272:17:547:2425:21
8:10
+0:45
20M
20.00 mi12:57:572:30:247:3112:30
9:12
+1:02
21M
21.00 mi13:07:402:40:077:379:43
9:43
+0:31
35K
21.75 mi13:14:282:46:557:416:48
9:05
-0:38
23M
23.00 mi13:26:322:58:597:4712:04
9:38
+0:33
24M
24.00 mi13:35:333:08:007:509:01
9:01
-0:37
40K
24.85 mi13:43:073:15:347:527:34
8:51
-0:10
25.2M
25.20 mi13:45:553:18:227:522:48
8:08
-0:43
Finish
26.22 mi13:54:133:26:407:538:18
8:08
0:00

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

7:10 /mi

Average Pace

7:53 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:33

54% of race

Time at Steady Pace

36:27

18% of race

Time at Slower Pace

57:40

28% of race

Average Pace: 7:53 /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 mi10:50:0322:307:1522:30
7:15
#9860
10K
6.21 mi11:12:1844:457:1222:15
7:10
#9482
15K
9.32 mi11:34:351:07:027:1222:17
7:10
#9275
20K
12.43 mi11:57:121:29:397:1322:37
7:17
#9123
Half
13.11 mi12:02:061:34:337:134:54
7:11
#9109
25K
15.53 mi12:20:061:52:337:1518:00
7:25
#9081
30K
18.64 mi12:45:272:17:547:2425:21
8:10
#9692
20M
20.00 mi12:57:572:30:247:3112:30
9:12
#10428
21M
21.00 mi13:07:402:40:077:379:43
9:43
#10882
35K
21.75 mi13:14:282:46:557:416:48
9:05
#11196
23M
23.00 mi13:26:322:58:597:4712:04
9:38
#11825
24M
24.00 mi13:35:333:08:007:509:01
9:01
#12109
40K
24.85 mi13:43:073:15:347:527:34
8:51
#12248
25.2M
25.20 mi13:45:553:18:227:522:48
8:08
#12140
Finish
26.22 mi13:54:133:26:407:538:18
8:08
#12180
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9860174817488918(Top 31%)1394(Top 11%)1394(Top 25%)
10K6.21 mi3.10 mi9482+3781571+1771571+1779188(Top 32%)1461(Top 12%)1461(Top 27%)
15K9.32 mi3.11 mi9275+2071511+601511+608918(Top 31%)1394(Top 11%)1394(Top 25%)
20K12.43 mi3.11 mi9123+1521468+431468+438904(Top 31%)1488(Top 12%)1488(Top 27%)
Half13.11 mi0.68 mi9109+141464+41464+49038(Top 32%)1539(Top 13%)1539(Top 28%)
25K15.53 mi2.42 mi9081+281488-241488-249359(Top 33%)1805(Top 15%)1805(Top 33%)
30K18.64 mi3.11 mi9692-6111822-3341822-33412527(Top 44%)3579(Top 29%)3579(Top 65%)
20M20.00 mi1.36 mi10428-7362210-3882210-38817775(Top 63%)6573(Top 54%)6573(Top 120%)
21M21.00 mi1.00 mi10882-4542489-2792489-27917111(Top 60%)6309(Top 52%)6309(Top 115%)
35K21.75 mi0.75 mi11196-3142675-1862675-18618667(Top 66%)7275(Top 59%)7275(Top 133%)
23M23.00 mi1.25 mi11825-6293043-3683043-36819229(Top 68%)7629(Top 62%)7629(Top 139%)
24M24.00 mi1.00 mi12109-2843228-1853228-18517451(Top 61%)6728(Top 55%)6728(Top 123%)
40K24.85 mi0.85 mi12248-1393332-1043332-10415472(Top 54%)5777(Top 47%)5777(Top 106%)
25.2M25.20 mi0.35 mi12140+1083293+393293+396730(Top 24%)1557(Top 13%)1557(Top 28%)
Finish26.22 mi1.02 mi12180-403342-493342-4913847(Top 49%)4893(Top 40%)4893(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8918

Females

1394

F18-39

1394

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9188

Females

1461

F18-39

1461

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8918

Females

1394

F18-39

1394

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8904

Females

1488

F18-39

1488

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

9038

Females

1539

F18-39

1539

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9359

Females

1805

F18-39

1805

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12527

Females

3579

F18-39

3579

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

17775

Females

6573

F18-39

6573

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17111

Females

6309

F18-39

6309

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18667

Females

7275

F18-39

7275

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

19229

Females

7629

F18-39

7629

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17451

Females

6728

F18-39

6728

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15472

Females

5777

F18-39

5777

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6730

Females

1557

F18-39

1557

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13847

Females

4893

F18-39

4893

Passing Analysis

Category:
Athletes Passed
1573
Passed By
3891
Net Change
-2320
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9860
5K → 10K46991+378#9860#9482
10K → 15K27770+207#9482#9275
15K → 20K24189+152#9275#9123
20K → Half3521+14#9123#9109
Half → 25K167139+28#9109#9081
25K → 30K85696-611#9081#9692
30K → 20M22756-736#9692#10428
20M → 21M22476-454#10428#10882
21M → 35K11325-314#10882#11196
35K → 23M18647-629#11196#11825
23M → 24M25309-284#11825#12109
24M → 40K38177-139#12109#12248
40K → 25.2M1102+108#12248#12140
25.2M → Finish5393-40#12140#12180
TOTALS15733891-2320
📊

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