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BOSTON MARATHON 2025

Kaitlyn Smith

Bib: 19324•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Masters (Masters Women)
#0 / 6759
Top 22%
Division (F40-44)
#0 / 1718
Top 45%
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
7:47/mi
24:11
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
48:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:11:42
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:35:54
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:41:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:00:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:25:51
↑ 181↓ 1480.2%
20M
8:26/mi
2:37:19
↑ 64↓ 500.2%
21M
11:15/mi
2:48:34
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:54:38
↑ 17↓ 861.7%
23M
8:54/mi
3:05:46
↑ 23↓ 630.6%
24M
9:25/mi
3:15:11
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:22:22
↓ 200.3%
25.2M
10:18/mi
3:25:55
↑ 13↓ 160.2%
Finish· 26.22 mi
8:06/mi
3:34:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:08
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:53:02
Pace8:37 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4624:117:4724:11
7:47
-
10K
6.21 mi11:39:4048:057:4423:54
7:42
-0:05
15K
9.32 mi12:03:171:11:427:4223:37
7:36
-0:06
20K
12.43 mi12:27:291:35:547:4324:12
7:47
+0:11
Half
13.11 mi12:32:431:41:087:435:14
7:40
-0:07
25K
15.53 mi12:51:492:00:147:4419:06
7:53
+0:13
30K
18.64 mi13:17:262:25:517:4925:37
8:15
+0:22
20M
20.00 mi13:28:542:37:197:5211:28
8:26
+0:11
21M
21.00 mi13:40:092:48:348:0211:15
11:15
+2:49
35K
21.75 mi13:46:132:54:388:026:04
8:07
-3:08
23M
23.00 mi13:57:213:05:468:0511:08
8:54
+0:47
24M
24.00 mi14:06:463:15:118:089:25
9:25
+0:31
40K
24.85 mi14:13:573:22:228:097:11
8:24
-1:01
25.2M
25.20 mi14:17:303:25:558:103:33
10:18
+1:54
Finish
26.22 mi14:25:453:34:108:108:15
8:06
-2:12

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

7:36 /mi

Average Pace

8:10 /mi

Slowest Pace

11:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:37

11% of race

Time at Steady Pace

2:35:12

72% of race

Time at Slower Pace

35:21

17% of race

Average Pace: 8:10 /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 mi11:15:4624:117:4724:11
7:47
#14678
10K
6.21 mi11:39:4048:057:4423:54
7:42
#14237
15K
9.32 mi12:03:171:11:427:4223:37
7:36
#13688
20K
12.43 mi12:27:291:35:547:4324:12
7:47
#13519
Half
13.11 mi12:32:431:41:087:435:14
7:40
#13500
25K
15.53 mi12:51:492:00:147:4419:06
7:53
#13357
30K
18.64 mi13:17:262:25:517:4925:37
8:15
#13292
20M
20.00 mi13:28:542:37:197:5211:28
8:26
#13256
21M
21.00 mi13:40:092:48:348:0211:15
11:15
#14066
35K
21.75 mi13:46:132:54:388:026:04
8:07
#14018
23M
23.00 mi13:57:213:05:468:0511:08
8:54
#14158
24M
24.00 mi14:06:463:15:118:089:25
9:25
#14426
40K
24.85 mi14:13:573:22:228:097:11
8:24
#14338
25.2M
25.20 mi14:17:303:25:558:103:33
10:18
#14401
Finish
26.22 mi14:25:453:34:108:108:15
8:06
#14338
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi146784334433412625(Top 44%)3237(Top 26%)3237(Top 188%)
10K6.21 mi3.10 mi14237+4414079+2554079+25513846(Top 49%)3868(Top 32%)3868(Top 225%)
15K9.32 mi3.11 mi13688+5493790+2893790+28912625(Top 44%)3237(Top 26%)3237(Top 188%)
20K12.43 mi3.11 mi13519+1693740+503740+5013210(Top 47%)3663(Top 30%)3663(Top 213%)
Half13.11 mi0.68 mi13500+193732+83732+813245(Top 47%)3645(Top 30%)3645(Top 212%)
25K15.53 mi2.42 mi13357+1433689+433689+4312975(Top 46%)3658(Top 30%)3658(Top 213%)
30K18.64 mi3.11 mi13292+653712-233712-2313155(Top 46%)3924(Top 32%)3924(Top 228%)
20M20.00 mi1.36 mi13256+363726-143726-1413419(Top 47%)4205(Top 34%)4205(Top 245%)
21M21.00 mi1.00 mi14066-8104201-4754201-47522038(Top 78%)8984(Top 73%)8984(Top 523%)
35K21.75 mi0.75 mi14018+484196+54196+513040(Top 46%)4188(Top 34%)4188(Top 244%)
23M23.00 mi1.25 mi14158-1404317-1214317-12115642(Top 55%)5684(Top 46%)5684(Top 331%)
24M24.00 mi1.00 mi14426-2684468-1514468-15119306(Top 68%)7703(Top 63%)7703(Top 448%)
40K24.85 mi0.85 mi14338+884462+64462+612835(Top 45%)4355(Top 36%)4355(Top 253%)
25.2M25.20 mi0.35 mi14401-634503-414503-4118282(Top 64%)7270(Top 59%)7270(Top 423%)
Finish26.22 mi1.02 mi14338+634502+14502+113578(Top 48%)4736(Top 39%)4736(Top 276%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

12625

Females

3237

F40-44

3237

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13846

Females

3868

F40-44

3868

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

12625

Females

3237

F40-44

3237

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13210

Females

3663

F40-44

3663

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13245

Females

3645

F40-44

3645

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12975

Females

3658

F40-44

3658

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

13155

Females

3924

F40-44

3924

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13419

Females

4205

F40-44

4205

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22038

Females

8984

F40-44

8984

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

13040

Females

4188

F40-44

4188

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15642

Females

5684

F40-44

5684

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

19306

Females

7703

F40-44

7703

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12835

Females

4355

F40-44

4355

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18282

Females

7270

F40-44

7270

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13578

Females

4736

F40-44

4736

Passing Analysis

Category:
Athletes Passed
2507
Passed By
2167
Net Change
+340
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14678
5K → 10K555114+441#14678#14237
10K → 15K57526+549#14237#13688
15K → 20K284115+169#13688#13519
20K → Half4122+19#13519#13500
Half → 25K23087+143#13500#13357
25K → 30K272207+65#13357#13292
30K → 20M12791+36#13292#13256
20M → 21M11821-810#13256#14066
21M → 35K8840+48#14066#14018
35K → 23M73213-140#14018#14158
23M → 24M17285-268#14158#14426
24M → 40K12234+88#14426#14338
40K → 25.2M1376-63#14338#14401
25.2M → Finish9936+63#14401#14338
TOTALS25072167+340
📊

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