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BOSTON MARATHON 2025

Kiera Clark

Bib: 32446•F

OR

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 39%
Division (F18-39)
#0 / 5469
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
7:31/mi
23:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
46:22
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:31
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:33:05
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:38:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:56:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:22:34
↑ 181↓ 1480.2%
20M
8:24/mi
2:33:59
↑ 64↓ 500.2%
21M
8:38/mi
2:42:37
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:48:18
↑ 17↓ 861.7%
23M
8:02/mi
2:58:22
↑ 23↓ 630.6%
24M
8:00/mi
3:06:22
↓ 821.3%
40K· 24.85 mi
12:41/mi
3:17:13
↓ 200.3%
25.2M
11:21/mi
3:21:08
↑ 13↓ 160.2%
Finish· 26.22 mi
14:50/mi
3:36:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:07
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:58:08
Pace9:01 /mi
📊Positive Split: 20.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2023:207:3123:20
7:31
-
10K
6.21 mi12:11:2246:227:2823:02
7:25
-0:06
15K
9.32 mi12:34:311:09:317:2823:09
7:27
+0:02
20K
12.43 mi12:58:051:33:057:2923:34
7:35
+0:08
Half
13.11 mi13:03:071:38:077:295:02
7:23
-0:12
25K
15.53 mi13:21:561:56:567:3218:49
7:46
+0:23
30K
18.64 mi13:47:342:22:347:3925:38
8:15
+0:29
20M
20.00 mi13:58:592:33:597:4211:25
8:24
+0:09
21M
21.00 mi14:07:372:42:377:458:38
8:38
+0:14
35K
21.75 mi14:13:182:48:187:445:41
7:36
-1:02
23M
23.00 mi14:23:222:58:227:4510:04
8:02
+0:26
24M
24.00 mi14:31:223:06:227:468:00
8:00
-0:02
40K
24.85 mi14:42:133:17:137:5610:51
12:41
+4:41
25.2M
25.20 mi14:46:083:21:087:593:55
11:21
-1:20
Finish
26.22 mi15:01:153:36:158:1515:07
14:50
+3:29

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

7:23 /mi

Average Pace

8:15 /mi

Slowest Pace

14:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:06:22

86% of race

Time at Slower Pace

29:53

14% of race

Average Pace: 8:15 /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 mi11:48:2023:207:3123:20
7:31
#12368
10K
6.21 mi12:11:2246:227:2823:02
7:25
#11805
15K
9.32 mi12:34:311:09:317:2823:09
7:27
#11615
20K
12.43 mi12:58:051:33:057:2923:34
7:35
#11562
Half
13.11 mi13:03:071:38:077:295:02
7:23
#11517
25K
15.53 mi13:21:561:56:567:3218:49
7:46
#11570
30K
18.64 mi13:47:342:22:347:3925:38
8:15
#11798
20M
20.00 mi13:58:592:33:597:4211:25
8:24
#11908
21M
21.00 mi14:07:372:42:377:458:38
8:38
#11846
35K
21.75 mi14:13:182:48:187:445:41
7:36
#11731
23M
23.00 mi14:23:222:58:227:4510:04
8:02
#11603
24M
24.00 mi14:31:223:06:227:468:00
8:00
#11558
40K
24.85 mi14:42:133:17:137:5610:51
12:41
#12779
25.2M
25.20 mi14:46:083:21:087:593:55
11:21
#13014
Finish
26.22 mi15:01:153:36:158:1515:07
14:50
#14903
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi123683002300211364(Top 40%)2566(Top 21%)2566(Top 47%)
10K6.21 mi3.10 mi11805+5632710+2922710+29211334(Top 40%)2485(Top 20%)2485(Top 45%)
15K9.32 mi3.11 mi11615+1902631+792631+7911364(Top 40%)2566(Top 21%)2566(Top 47%)
20K12.43 mi3.11 mi11562+532648-172648-1711490(Top 40%)2739(Top 22%)2739(Top 50%)
Half13.11 mi0.68 mi11517+452622+262622+2610778(Top 38%)2343(Top 19%)2343(Top 43%)
25K15.53 mi2.42 mi11570-532688-662688-6612059(Top 42%)3153(Top 26%)3153(Top 58%)
30K18.64 mi3.11 mi11798-2282901-2132901-21313182(Top 46%)3939(Top 32%)3939(Top 72%)
20M20.00 mi1.36 mi11908-1102982-812982-8113194(Top 46%)4086(Top 33%)4086(Top 75%)
21M21.00 mi1.00 mi11846+622993-112993-1111327(Top 40%)3269(Top 27%)3269(Top 60%)
35K21.75 mi0.75 mi11731+1152948+452948+459386(Top 33%)2327(Top 19%)2327(Top 43%)
23M23.00 mi1.25 mi11603+1282935+132935+1310383(Top 37%)2941(Top 24%)2941(Top 54%)
24M24.00 mi1.00 mi11558+452948-132948-1311293(Top 40%)3473(Top 28%)3473(Top 64%)
40K24.85 mi0.85 mi12779-12213609-6613609-66125931(Top 91%)11111(Top 91%)11111(Top 203%)
25.2M25.20 mi0.35 mi13014-2353749-1403749-14021682(Top 76%)8988(Top 74%)8988(Top 164%)
Finish26.22 mi1.02 mi14903-18894820-10714820-107128221(Top 99%)12167(Top 100%)12167(Top 222%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

11364

Females

2566

F18-39

2566

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

11334

Females

2485

F18-39

2485

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

11364

Females

2566

F18-39

2566

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11490

Females

2739

F18-39

2739

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10778

Females

2343

F18-39

2343

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

12059

Females

3153

F18-39

3153

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

13182

Females

3939

F18-39

3939

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

13194

Females

4086

F18-39

4086

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

11327

Females

3269

F18-39

3269

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9386

Females

2327

F18-39

2327

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10383

Females

2941

F18-39

2941

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11293

Females

3473

F18-39

3473

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25931

Females

11111

F18-39

11111

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21682

Females

8988

F18-39

8988

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

28221

Females

12167

F18-39

12167

Passing Analysis

Category:
Athletes Passed
2117
Passed By
4652
Net Change
-2535
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12368
5K → 10K64279+563#12368#11805
10K → 15K27989+190#11805#11615
15K → 20K203150+53#11615#11562
20K → Half549+45#11562#11517
Half → 25K143196-53#11517#11570
25K → 30K173401-228#11570#11798
30K → 20M80190-110#11798#11908
20M → 21M12866+62#11908#11846
21M → 35K1249+115#11846#11731
35K → 23M17446+128#11731#11603
23M → 24M10863+45#11603#11558
24M → 40K31224-1221#11558#12779
40K → 25.2M6241-235#12779#13014
25.2M → Finish01889-1889#13014#14903
TOTALS21174652-2535
📊

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